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Merge pull request #17 from LIV2/master

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Memory window should not reset device registers
This commit is contained in:
Seth Morabito authored and GitHub committed 2017-05-26 09:38:28 -07:00
2 parents 9cdd718e8d 079d3dbeae
commit 2e33756d49
27 files changed
+370 -333
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README.md
+15 -15
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@@ -7,7 +7,7 @@ SYMON - A 6502 System Simulator
See the file COPYING for license. See the file COPYING for license.
![Symon Simulator in Action] (http://www.loomcom.com/symon/screenshots/full.jpg) ![Symon Simulator in Action](http://www.loomcom.com/symon/screenshots/full.jpg)
## 1.0 About ## 1.0 About
@@ -22,7 +22,7 @@ experimental 6545 CRTC.
Symon has extensive unit tests to verify correctness, and fully passes Symon has extensive unit tests to verify correctness, and fully passes
Klaus Dormann's 6502 Functional Test Suite as of version 0.8.2 Klaus Dormann's 6502 Functional Test Suite as of version 0.8.2
(See [this thread on the 6502.org Forums] (http://forum.6502.org/viewtopic.php?f=2&t=2241) (See [this thread on the 6502.org Forums](http://forum.6502.org/viewtopic.php?f=2&t=2241)
for more information about this functional test suite). for more information about this functional test suite).
Symon is under constant, active development. Feedback and patches Symon is under constant, active development. Feedback and patches
@@ -66,7 +66,7 @@ memory.
### 3.2 Serial Console and CPU Status ### 3.2 Serial Console and CPU Status
![Serial Console] (http://www.loomcom.com/symon/screenshots/console.png) ![Serial Console](http://www.loomcom.com/symon/screenshots/console.png)
The main window of the simulator acts as the primary Input/Output The main window of the simulator acts as the primary Input/Output
system through a virtual serial terminal. The terminal is attached to system through a virtual serial terminal. The terminal is attached to
@@ -78,13 +78,13 @@ It also provides CPU status. Contents of the accumulator, index
registers, processor status flags, disassembly of the instruction registers, processor status flags, disassembly of the instruction
register, and stack pointer are all displayed. register, and stack pointer are all displayed.
![Font Selection] (http://www.loomcom.com/symon/screenshots/font_selection.png) ![Font Selection](http://www.loomcom.com/symon/screenshots/font_selection.png)
The console supports font sizes from 10 to 20 points. The console supports font sizes from 10 to 20 points.
### 3.3 ROM Loading ### 3.3 ROM Loading
![ROM Loading] (http://www.loomcom.com/symon/screenshots/load_rom.png) ![ROM Loading](http://www.loomcom.com/symon/screenshots/load_rom.png)
Symon can load any appropriately sized ROM image. The Symon Symon can load any appropriately sized ROM image. The Symon
architecture expects as 16KB (16384 byte) ROM image, while the architecture expects as 16KB (16384 byte) ROM image, while the
@@ -95,32 +95,32 @@ address.
### 3.4 Memory Window ### 3.4 Memory Window
![Memory Window] (http://www.loomcom.com/symon/screenshots/memory_window.png) ![Memory Window](http://www.loomcom.com/symon/screenshots/memory_window.png)
Memory contents can be viewed (and edited) one page at a time through the Memory Window. Memory contents can be viewed (and edited) one page at a time through the Memory Window.
### 3.5 Trace Log ### 3.5 Trace Log
![Trace Log] (http://www.loomcom.com/symon/screenshots/trace_log.png) ![Trace Log](http://www.loomcom.com/symon/screenshots/trace_log.png)
The last 20,000 execution steps are disassembled and logged to the Trace Log The last 20,000 execution steps are disassembled and logged to the Trace Log
Window. Window.
### 3.6 Simulator Speeds ### 3.6 Simulator Speeds
![Speeds] (http://www.loomcom.com/symon/screenshots/simulator_menu.png) ![Speeds](http://www.loomcom.com/symon/screenshots/simulator_menu.png)
Simulated speeds may be set from 1MHz to 8MHz. Simulated speeds may be set from 1MHz to 8MHz.
### 3.7 Breakpoints ### 3.7 Breakpoints
![Breakpoints] (http://www.loomcom.com/symon/screenshots/breakpoints.png) ![Breakpoints](http://www.loomcom.com/symon/screenshots/breakpoints.png)
Breakpoints can be set and removed through the Breakpoints window. Breakpoints can be set and removed through the Breakpoints window.
### 3.8 Experimental 6545 CRTC Video ### 3.8 Experimental 6545 CRTC Video
![Composite Video] (http://www.loomcom.com/symon/screenshots/video_window.png) ![Composite Video](http://www.loomcom.com/symon/screenshots/video_window.png)
This feature is highly experimental. It's possible to open a video window This feature is highly experimental. It's possible to open a video window
from the "View" menu. This window simulates the output of a MOS 6545 CRT from the "View" menu. This window simulates the output of a MOS 6545 CRT
@@ -158,9 +158,9 @@ between the simulated 6545 and a real 6545:
For more information on the 6545 CRTC and its programming model, please see the following resources For more information on the 6545 CRTC and its programming model, please see the following resources
- [CRTC 6545/6845 Information (André Fachat)] (http://6502.org/users/andre/hwinfo/crtc/index.html) - [CRTC 6545/6845 Information (André Fachat)](http://6502.org/users/andre/hwinfo/crtc/index.html)
- [CRTC Operation (André Fachat)] (http://www.6502.org/users/andre/hwinfo/crtc/crtc.html) - [CRTC Operation (André Fachat)](http://www.6502.org/users/andre/hwinfo/crtc/crtc.html)
- [MOS 6545 Datasheet (PDF)] (http://www.6502.org/users/andre/hwinfo/crtc/crtc.html) - [MOS 6545 Datasheet (PDF)](http://www.6502.org/users/andre/hwinfo/crtc/crtc.html)
#### 3.8.1 Example BASIC Program to test Video #### 3.8.1 Example BASIC Program to test Video
@@ -338,10 +338,10 @@ Additional components used in this project are copyright their respective owners
This project would not have been possible without the following resources: This project would not have been possible without the following resources:
- [Andrew Jacobs' 6502 Pages] (http://www.obelisk.demon.co.uk/6502/), for - [Andrew Jacobs' 6502 Pages](http://www.obelisk.demon.co.uk/6502/), for
wonderfully detailed information about the 6502 wonderfully detailed information about the 6502
- [Neil Parker's "The 6502/65C02/65C816 Instruction Set Decoded"] (http://www.llx.com/~nparker/a2/opcodes.html), - [Neil Parker's "The 6502/65C02/65C816 Instruction Set Decoded"](http://www.llx.com/~nparker/a2/opcodes.html),
for information about how instructions are coded for information about how instructions are coded
## 9.0 Licensing ## 9.0 Licensing
src/main/java/com/loomcom/symon/Bus.java
+2 -2
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@@ -168,12 +168,12 @@ public class Bus {
return true; return true;
} }
public int read(int address) throws MemoryAccessException { public int read(int address, boolean cpuAccess) throws MemoryAccessException {
Device d = deviceAddressArray[address - this.startAddress]; Device d = deviceAddressArray[address - this.startAddress];
if (d != null) { if (d != null) {
MemoryRange range = d.getMemoryRange(); MemoryRange range = d.getMemoryRange();
int devAddr = address - range.startAddress(); int devAddr = address - range.startAddress();
return d.read(devAddr) & 0xff; return d.read(devAddr, cpuAccess) & 0xff;
} }
throw new MemoryAccessException("Bus read failed. No device at address " + String.format("$%04X", address)); throw new MemoryAccessException("Bus read failed. No device at address " + String.format("$%04X", address));
src/main/java/com/loomcom/symon/Cpu.java
+34 -34
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@@ -114,7 +114,7 @@ public class Cpu implements InstructionTable {
state.sp = 0xff; state.sp = 0xff;
// Set the PC to the address stored in the reset vector // Set the PC to the address stored in the reset vector
state.pc = Utils.address(bus.read(RST_VECTOR_L), bus.read(RST_VECTOR_H)); state.pc = Utils.address(bus.read(RST_VECTOR_L, true), bus.read(RST_VECTOR_H, true));
// Clear instruction register. // Clear instruction register.
state.ir = 0; state.ir = 0;
@@ -168,7 +168,7 @@ public class Cpu implements InstructionTable {
} }
// Fetch memory location for this instruction. // Fetch memory location for this instruction.
state.ir = bus.read(state.pc); state.ir = bus.read(state.pc, true);
int irAddressMode = (state.ir >> 2) & 0x07; // Bits 3-5 of IR: [ | | |X|X|X| | ] int irAddressMode = (state.ir >> 2) & 0x07; // Bits 3-5 of IR: [ | | |X|X|X| | ]
int irOpMode = state.ir & 0x03; // Bits 6-7 of IR: [ | | | | | |X|X] int irOpMode = state.ir & 0x03; // Bits 6-7 of IR: [ | | | | | |X|X]
@@ -179,7 +179,7 @@ public class Cpu implements InstructionTable {
// Decode the instruction and operands // Decode the instruction and operands
state.instSize = Cpu.instructionSizes[state.ir]; state.instSize = Cpu.instructionSizes[state.ir];
for (int i = 0; i < state.instSize - 1; i++) { for (int i = 0; i < state.instSize - 1; i++) {
state.args[i] = bus.read(state.pc); state.args[i] = bus.read(state.pc, true);
// Increment PC after reading // Increment PC after reading
incrementPC(); incrementPC();
} }
@@ -224,7 +224,7 @@ public class Cpu implements InstructionTable {
switch (irAddressMode) { switch (irAddressMode) {
case 0: // (Zero Page,X) case 0: // (Zero Page,X)
tmp = (state.args[0] + state.x) & 0xff; tmp = (state.args[0] + state.x) & 0xff;
effectiveAddress = Utils.address(bus.read(tmp), bus.read(tmp + 1)); effectiveAddress = Utils.address(bus.read(tmp, true), bus.read(tmp + 1, true));
break; break;
case 1: // Zero Page case 1: // Zero Page
effectiveAddress = state.args[0]; effectiveAddress = state.args[0];
@@ -236,8 +236,8 @@ public class Cpu implements InstructionTable {
effectiveAddress = Utils.address(state.args[0], state.args[1]); effectiveAddress = Utils.address(state.args[0], state.args[1]);
break; break;
case 4: // (Zero Page),Y case 4: // (Zero Page),Y
tmp = Utils.address(bus.read(state.args[0]), tmp = Utils.address(bus.read(state.args[0], true),
bus.read((state.args[0] + 1) & 0xff)); bus.read((state.args[0] + 1) & 0xff, true));
effectiveAddress = (tmp + state.y) & 0xffff; effectiveAddress = (tmp + state.y) & 0xffff;
break; break;
case 5: // Zero Page,X case 5: // Zero Page,X
@@ -409,7 +409,7 @@ public class Cpu implements InstructionTable {
hi = lo + 1; hi = lo + 1;
} }
state.pc = Utils.address(bus.read(lo), bus.read(hi)); state.pc = Utils.address(bus.read(lo, true), bus.read(hi, true));
/* TODO: For accuracy, allow a flag to enable broken behavior of early 6502s: /* TODO: For accuracy, allow a flag to enable broken behavior of early 6502s:
* *
* "An original 6502 has does not correctly fetch the target * "An original 6502 has does not correctly fetch the target
@@ -436,7 +436,7 @@ public class Cpu implements InstructionTable {
case 0x15: // Zero Page,X case 0x15: // Zero Page,X
case 0x19: // Absolute,Y case 0x19: // Absolute,Y
case 0x1d: // Absolute,X case 0x1d: // Absolute,X
state.a |= bus.read(effectiveAddress); state.a |= bus.read(effectiveAddress, true);
setArithmeticFlags(state.a); setArithmeticFlags(state.a);
break; break;
@@ -450,7 +450,7 @@ public class Cpu implements InstructionTable {
case 0x0e: // Absolute case 0x0e: // Absolute
case 0x16: // Zero Page,X case 0x16: // Zero Page,X
case 0x1e: // Absolute,X case 0x1e: // Absolute,X
tmp = asl(bus.read(effectiveAddress)); tmp = asl(bus.read(effectiveAddress, true));
bus.write(effectiveAddress, tmp); bus.write(effectiveAddress, tmp);
setArithmeticFlags(tmp); setArithmeticFlags(tmp);
break; break;
@@ -459,7 +459,7 @@ public class Cpu implements InstructionTable {
/** BIT - Bit Test ******************************************************/ /** BIT - Bit Test ******************************************************/
case 0x24: // Zero Page case 0x24: // Zero Page
case 0x2c: // Absolute case 0x2c: // Absolute
tmp = bus.read(effectiveAddress); tmp = bus.read(effectiveAddress, true);
setZeroFlag((state.a & tmp) == 0); setZeroFlag((state.a & tmp) == 0);
setNegativeFlag((tmp & 0x80) != 0); setNegativeFlag((tmp & 0x80) != 0);
setOverflowFlag((tmp & 0x40) != 0); setOverflowFlag((tmp & 0x40) != 0);
@@ -478,7 +478,7 @@ public class Cpu implements InstructionTable {
case 0x35: // Zero Page,X case 0x35: // Zero Page,X
case 0x39: // Absolute,Y case 0x39: // Absolute,Y
case 0x3d: // Absolute,X case 0x3d: // Absolute,X
state.a &= bus.read(effectiveAddress); state.a &= bus.read(effectiveAddress, true);
setArithmeticFlags(state.a); setArithmeticFlags(state.a);
break; break;
@@ -492,7 +492,7 @@ public class Cpu implements InstructionTable {
case 0x2e: // Absolute case 0x2e: // Absolute
case 0x36: // Zero Page,X case 0x36: // Zero Page,X
case 0x3e: // Absolute,X case 0x3e: // Absolute,X
tmp = rol(bus.read(effectiveAddress)); tmp = rol(bus.read(effectiveAddress, true));
bus.write(effectiveAddress, tmp); bus.write(effectiveAddress, tmp);
setArithmeticFlags(tmp); setArithmeticFlags(tmp);
break; break;
@@ -510,7 +510,7 @@ public class Cpu implements InstructionTable {
case 0x55: // Zero Page,X case 0x55: // Zero Page,X
case 0x59: // Absolute,Y case 0x59: // Absolute,Y
case 0x5d: // Absolute,X case 0x5d: // Absolute,X
state.a ^= bus.read(effectiveAddress); state.a ^= bus.read(effectiveAddress, true);
setArithmeticFlags(state.a); setArithmeticFlags(state.a);
break; break;
@@ -524,7 +524,7 @@ public class Cpu implements InstructionTable {
case 0x4e: // Absolute case 0x4e: // Absolute
case 0x56: // Zero Page,X case 0x56: // Zero Page,X
case 0x5e: // Absolute,X case 0x5e: // Absolute,X
tmp = lsr(bus.read(effectiveAddress)); tmp = lsr(bus.read(effectiveAddress, true));
bus.write(effectiveAddress, tmp); bus.write(effectiveAddress, tmp);
setArithmeticFlags(tmp); setArithmeticFlags(tmp);
break; break;
@@ -546,9 +546,9 @@ public class Cpu implements InstructionTable {
case 0x79: // Absolute,Y case 0x79: // Absolute,Y
case 0x7d: // Absolute,X case 0x7d: // Absolute,X
if (state.decimalModeFlag) { if (state.decimalModeFlag) {
state.a = adcDecimal(state.a, bus.read(effectiveAddress)); state.a = adcDecimal(state.a, bus.read(effectiveAddress, true));
} else { } else {
state.a = adc(state.a, bus.read(effectiveAddress)); state.a = adc(state.a, bus.read(effectiveAddress, true));
} }
break; break;
@@ -562,7 +562,7 @@ public class Cpu implements InstructionTable {
case 0x6e: // Absolute case 0x6e: // Absolute
case 0x76: // Zero Page,X case 0x76: // Zero Page,X
case 0x7e: // Absolute,X case 0x7e: // Absolute,X
tmp = ror(bus.read(effectiveAddress)); tmp = ror(bus.read(effectiveAddress, true));
bus.write(effectiveAddress, tmp); bus.write(effectiveAddress, tmp);
setArithmeticFlags(tmp); setArithmeticFlags(tmp);
break; break;
@@ -605,7 +605,7 @@ public class Cpu implements InstructionTable {
case 0xac: // Absolute case 0xac: // Absolute
case 0xb4: // Zero Page,X case 0xb4: // Zero Page,X
case 0xbc: // Absolute,X case 0xbc: // Absolute,X
state.y = bus.read(effectiveAddress); state.y = bus.read(effectiveAddress, true);
setArithmeticFlags(state.y); setArithmeticFlags(state.y);
break; break;
@@ -619,7 +619,7 @@ public class Cpu implements InstructionTable {
case 0xae: // Absolute case 0xae: // Absolute
case 0xb6: // Zero Page,Y case 0xb6: // Zero Page,Y
case 0xbe: // Absolute,Y case 0xbe: // Absolute,Y
state.x = bus.read(effectiveAddress); state.x = bus.read(effectiveAddress, true);
setArithmeticFlags(state.x); setArithmeticFlags(state.x);
break; break;
@@ -636,7 +636,7 @@ public class Cpu implements InstructionTable {
case 0xb5: // Zero Page,X case 0xb5: // Zero Page,X
case 0xb9: // Absolute,Y case 0xb9: // Absolute,Y
case 0xbd: // Absolute,X case 0xbd: // Absolute,X
state.a = bus.read(effectiveAddress); state.a = bus.read(effectiveAddress, true);
setArithmeticFlags(state.a); setArithmeticFlags(state.a);
break; break;
@@ -647,7 +647,7 @@ public class Cpu implements InstructionTable {
break; break;
case 0xc4: // Zero Page case 0xc4: // Zero Page
case 0xcc: // Absolute case 0xcc: // Absolute
cmp(state.y, bus.read(effectiveAddress)); cmp(state.y, bus.read(effectiveAddress, true));
break; break;
@@ -662,7 +662,7 @@ public class Cpu implements InstructionTable {
case 0xd5: // Zero Page,X case 0xd5: // Zero Page,X
case 0xd9: // Absolute,Y case 0xd9: // Absolute,Y
case 0xdd: // Absolute,X case 0xdd: // Absolute,X
cmp(state.a, bus.read(effectiveAddress)); cmp(state.a, bus.read(effectiveAddress, true));
break; break;
@@ -671,7 +671,7 @@ public class Cpu implements InstructionTable {
case 0xce: // Absolute case 0xce: // Absolute
case 0xd6: // Zero Page,X case 0xd6: // Zero Page,X
case 0xde: // Absolute,X case 0xde: // Absolute,X
tmp = (bus.read(effectiveAddress) - 1) & 0xff; tmp = (bus.read(effectiveAddress, true) - 1) & 0xff;
bus.write(effectiveAddress, tmp); bus.write(effectiveAddress, tmp);
setArithmeticFlags(tmp); setArithmeticFlags(tmp);
break; break;
@@ -683,7 +683,7 @@ public class Cpu implements InstructionTable {
break; break;
case 0xe4: // Zero Page case 0xe4: // Zero Page
case 0xec: // Absolute case 0xec: // Absolute
cmp(state.x, bus.read(effectiveAddress)); cmp(state.x, bus.read(effectiveAddress, true));
break; break;
@@ -703,9 +703,9 @@ public class Cpu implements InstructionTable {
case 0xf9: // Absolute,Y case 0xf9: // Absolute,Y
case 0xfd: // Absolute,X case 0xfd: // Absolute,X
if (state.decimalModeFlag) { if (state.decimalModeFlag) {
state.a = sbcDecimal(state.a, bus.read(effectiveAddress)); state.a = sbcDecimal(state.a, bus.read(effectiveAddress, true));
} else { } else {
state.a = sbc(state.a, bus.read(effectiveAddress)); state.a = sbc(state.a, bus.read(effectiveAddress, true));
} }
break; break;
@@ -715,7 +715,7 @@ public class Cpu implements InstructionTable {
case 0xee: // Absolute case 0xee: // Absolute
case 0xf6: // Zero Page,X case 0xf6: // Zero Page,X
case 0xfe: // Absolute,X case 0xfe: // Absolute,X
tmp = (bus.read(effectiveAddress) + 1) & 0xff; tmp = (bus.read(effectiveAddress, true) + 1) & 0xff;
bus.write(effectiveAddress, tmp); bus.write(effectiveAddress, tmp);
setArithmeticFlags(tmp); setArithmeticFlags(tmp);
break; break;
@@ -734,11 +734,11 @@ public class Cpu implements InstructionTable {
} }
private void peekAhead() throws MemoryAccessException { private void peekAhead() throws MemoryAccessException {
state.nextIr = bus.read(state.pc); state.nextIr = bus.read(state.pc, true);
int nextInstSize = Cpu.instructionSizes[state.nextIr]; int nextInstSize = Cpu.instructionSizes[state.nextIr];
for (int i = 1; i < nextInstSize; i++) { for (int i = 1; i < nextInstSize; i++) {
int nextRead = (state.pc + i) % bus.endAddress(); int nextRead = (state.pc + i) % bus.endAddress();
state.nextArgs[i-1] = bus.read(nextRead); state.nextArgs[i-1] = bus.read(nextRead, true);
} }
} }
@@ -783,7 +783,7 @@ public class Cpu implements InstructionTable {
setIrqDisableFlag(); setIrqDisableFlag();
// Load interrupt vector address into PC // Load interrupt vector address into PC
state.pc = Utils.address(bus.read(vectorLow), bus.read(vectorHigh)); state.pc = Utils.address(bus.read(vectorLow, true), bus.read(vectorHigh, true));
} }
/** /**
@@ -1290,14 +1290,14 @@ public class Cpu implements InstructionTable {
++state.sp; ++state.sp;
} }
return bus.read(0x100 + state.sp); return bus.read(0x100 + state.sp, true);
} }
/** /**
* Peek at the value currently at the top of the stack * Peek at the value currently at the top of the stack
*/ */
int stackPeek() throws MemoryAccessException { int stackPeek() throws MemoryAccessException {
return bus.read(0x100 + state.sp + 1); return bus.read(0x100 + state.sp + 1, true);
} }
/* /*
@@ -1435,12 +1435,12 @@ public class Cpu implements InstructionTable {
* @return String containing the disassembled instruction and operands. * @return String containing the disassembled instruction and operands.
*/ */
public String disassembleOpAtAddress(int address) throws MemoryAccessException { public String disassembleOpAtAddress(int address) throws MemoryAccessException {
int opCode = bus.read(address); int opCode = bus.read(address, true);
int args[] = new int[2]; int args[] = new int[2];
int size = Cpu.instructionSizes[opCode]; int size = Cpu.instructionSizes[opCode];
for (int i = 1; i < size; i++) { for (int i = 1; i < size; i++) {
int nextRead = (address + i) % bus.endAddress(); int nextRead = (address + i) % bus.endAddress();
args[i-1] = bus.read(nextRead); args[i-1] = bus.read(nextRead, true);
} }
return disassembleOp(opCode, args); return disassembleOp(opCode, args);
src/main/java/com/loomcom/symon/Simulator.java
+1 -1
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@@ -348,7 +348,7 @@ public class Simulator {
// output ready. // output ready.
if (machine.getAcia() != null && machine.getAcia().hasTxChar()) { if (machine.getAcia() != null && machine.getAcia().hasTxChar()) {
// This is thread-safe // This is thread-safe
console.print(Character.toString((char) machine.getAcia().txRead())); console.print(Character.toString((char) machine.getAcia().txRead(true)));
console.repaint(); console.repaint();
} }
src/main/java/com/loomcom/symon/devices/Acia.java
+11 -8
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@@ -107,10 +107,12 @@ public abstract class Acia extends Device {
return name + "@" + String.format("%04X", baseAddress); return name + "@" + String.format("%04X", baseAddress);
} }
public synchronized int rxRead() { public synchronized int rxRead(boolean cpuAccess) {
lastRxRead = System.nanoTime(); if (cpuAccess) {
overrun = false; lastRxRead = System.nanoTime();
rxFull = false; overrun = false;
rxFull = false;
}
return rxChar; return rxChar;
} }
@@ -128,13 +130,14 @@ public abstract class Acia extends Device {
rxChar = data; rxChar = data;
} }
public synchronized int txRead() { public synchronized int txRead(boolean cpuAccess) {
txEmpty = true; if (cpuAccess) {
txEmpty = true;
if (transmitIrqEnabled) { if (transmitIrqEnabled) {
getBus().assertIrq(); getBus().assertIrq();
}
} }
return txChar; return txChar;
} }
src/main/java/com/loomcom/symon/devices/Acia6551.java
+2 -2
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@@ -56,10 +56,10 @@ public class Acia6551 extends Acia {
} }
@Override @Override
public int read(int address) throws MemoryAccessException { public int read(int address, boolean cpuAccess) throws MemoryAccessException {
switch (address) { switch (address) {
case DATA_REG: case DATA_REG:
return rxRead(); return rxRead(cpuAccess);
case STAT_REG: case STAT_REG:
return statusReg(); return statusReg();
case CMND_REG: case CMND_REG:
src/main/java/com/loomcom/symon/devices/Acia6850.java
+2 -2
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@@ -53,10 +53,10 @@ public class Acia6850 extends Acia {
} }
@Override @Override
public int read(int address) throws MemoryAccessException { public int read(int address, boolean cpuAccess) throws MemoryAccessException {
switch (address) { switch (address) {
case RX_REG: case RX_REG:
return rxRead(); return rxRead(cpuAccess);
case STAT_REG: case STAT_REG:
return statusReg(); return statusReg();
src/main/java/com/loomcom/symon/devices/Crtc.java
+2 -2
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@@ -119,7 +119,7 @@ public class Crtc extends Device {
} }
@Override @Override
public int read(int address) throws MemoryAccessException { public int read(int address, boolean cpuAccess) throws MemoryAccessException {
switch (address) { switch (address) {
case REGISTER_RW: case REGISTER_RW:
switch (currentRegister) { switch (currentRegister) {
@@ -142,7 +142,7 @@ public class Crtc extends Device {
public int getCharAtAddress(int address) throws MemoryAccessException { public int getCharAtAddress(int address) throws MemoryAccessException {
// TODO: Row/Column addressing // TODO: Row/Column addressing
return memory.read(address); return memory.read(address, false);
} }
public int getHorizontalDisplayed() { public int getHorizontalDisplayed() {
src/main/java/com/loomcom/symon/devices/Device.java
+1 -1
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@@ -72,7 +72,7 @@ public abstract class Device implements Comparable<Device> {
/* Methods required to be implemented by inheriting classes. */ /* Methods required to be implemented by inheriting classes. */
public abstract void write(int address, int data) throws MemoryAccessException; public abstract void write(int address, int data) throws MemoryAccessException;
public abstract int read(int address) throws MemoryAccessException; public abstract int read(int address, boolean cpuAccess) throws MemoryAccessException;
public abstract String toString(); public abstract String toString();
src/main/java/com/loomcom/symon/devices/Memory.java
+1 -1
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@@ -94,7 +94,7 @@ public class Memory extends Device {
} }
public int read(int address) throws MemoryAccessException { public int read(int address, boolean cpuAccess) throws MemoryAccessException {
return this.mem[address]; return this.mem[address];
} }
src/main/java/com/loomcom/symon/devices/SdController.java
+1 -1
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@@ -94,7 +94,7 @@ public class SdController extends Device {
} }
@Override @Override
public int read(int address) throws MemoryAccessException { public int read(int address, boolean cpuAccess) throws MemoryAccessException {
switch (address) { switch (address) {
case 0: case 0:
return readData(); return readData();
src/main/java/com/loomcom/symon/devices/Via6522.java
+1 -1
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@@ -75,7 +75,7 @@ public class Via6522 extends Pia {
} }
@Override @Override
public int read(int address) throws MemoryAccessException { public int read(int address, boolean cpuAccess) throws MemoryAccessException {
Register[] registers = Register.values(); Register[] registers = Register.values();
if (address >= registers.length) { if (address >= registers.length) {
src/main/java/com/loomcom/symon/ui/MemoryWindow.java
+2 -2
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@@ -331,10 +331,10 @@ public class MemoryWindow extends JFrame implements ActionListener {
return Utils.wordToHex(fullAddress(row, 1)); return Utils.wordToHex(fullAddress(row, 1));
} else if (column < 9) { } else if (column < 9) {
// Display hex value of the data // Display hex value of the data
return Utils.byteToHex(bus.read(fullAddress(row, column))); return Utils.byteToHex(bus.read(fullAddress(row, column), false));
} else { } else {
// Display the ASCII equivalent (if printable) // Display the ASCII equivalent (if printable)
return Utils.byteToAscii(bus.read(fullAddress(row, column - 8))); return Utils.byteToAscii(bus.read(fullAddress(row, column - 8), false));
} }
} catch (MemoryAccessException ex) { } catch (MemoryAccessException ex) {
return "??"; return "??";
src/test/java/com/loomcom/symon/AciaTest.java
+47 -13
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@@ -55,7 +55,7 @@ public class AciaTest {
verify(mockBus, never()).assertIrq(); verify(mockBus, never()).assertIrq();
// Transmission should cause IRQ // Transmission should cause IRQ
acia.txRead(); acia.txRead(true);
verify(mockBus, atLeastOnce()).assertIrq(); verify(mockBus, atLeastOnce()).assertIrq();
} }
@@ -74,7 +74,7 @@ public class AciaTest {
acia.write(0, 'a'); acia.write(0, 'a');
// Transmission should cause IRQ // Transmission should cause IRQ
acia.txRead(); acia.txRead(true);
verify(mockBus, never()).assertIrq(); verify(mockBus, never()).assertIrq();
} }
@@ -83,7 +83,7 @@ public class AciaTest {
public void newAciaShouldHaveTxEmptyStatus() throws Exception { public void newAciaShouldHaveTxEmptyStatus() throws Exception {
Acia acia = new Acia6551(0x000); Acia acia = new Acia6551(0x000);
assertEquals(0x10, acia.read(0x0001)); assertEquals(0x10, acia.read(0x0001, true));
} }
@Test @Test
@@ -91,7 +91,7 @@ public class AciaTest {
Acia acia = new Acia6551(0x000); Acia acia = new Acia6551(0x000);
acia.txWrite('a'); acia.txWrite('a');
assertEquals(0x00, acia.read(0x0001)); assertEquals(0x00, acia.read(0x0001, true));
} }
@Test @Test
@@ -99,7 +99,7 @@ public class AciaTest {
Acia acia = new Acia6551(0x000); Acia acia = new Acia6551(0x000);
acia.rxWrite('a'); acia.rxWrite('a');
assertEquals(0x18, acia.read(0x0001)); assertEquals(0x18, acia.read(0x0001, true));
} }
@Test @Test
@@ -110,7 +110,7 @@ public class AciaTest {
acia.rxWrite('a'); acia.rxWrite('a');
acia.txWrite('b'); acia.txWrite('b');
assertEquals(0x08, acia.read(0x0001)); assertEquals(0x08, acia.read(0x0001, true));
} }
@Test @Test
@@ -123,14 +123,31 @@ public class AciaTest {
acia.rxWrite('a'); acia.rxWrite('a');
acia.rxWrite('b'); acia.rxWrite('b');
assertEquals(0x04, acia.read(0x0001) & 0x04); assertEquals(0x04, acia.read(0x0001, true) & 0x04);
// read should reset // read should reset
acia.rxRead(); acia.rxRead(true);
assertEquals(0x00, acia.read(0x0001) & 0x04); assertEquals(0x00, acia.read(0x0001, true) & 0x04);
} }
@Test
public void aciaShouldOverrunAndMemoryWindowReadShouldNotReset()
throws Exception {
Acia acia = new Acia6551(0x0000);
// overrun ACIA
acia.rxWrite('a');
acia.rxWrite('b');
assertEquals(0x04, acia.read(0x0001, true) & 0x04);
// memory window read should not reset
acia.rxRead(false);
assertEquals(0x04, acia.read(0x0001, true) & 0x04);
}
@Test @Test
public void readingBuffersShouldResetStatus() public void readingBuffersShouldResetStatus()
@@ -141,11 +158,28 @@ public class AciaTest {
acia.txWrite('b'); acia.txWrite('b');
assertEquals(0x08, acia.read(0x0001)); assertEquals(0x08, acia.read(0x0001, true));
assertEquals('a', acia.rxRead()); assertEquals('a', acia.rxRead(true));
assertEquals('b', acia.txRead()); assertEquals('b', acia.txRead(true));
assertEquals(0x10, acia.read(0x0001)); assertEquals(0x10, acia.read(0x0001, true));
}
@Test
public void A()
throws Exception {
Acia acia = new Acia6551(0x0000);
acia.rxWrite('a');
acia.txWrite('b');
assertEquals(0x08, acia.read(0x0001, true));
assertEquals('a', acia.rxRead(false));
assertEquals('b', acia.txRead(false));
assertEquals(0x08, acia.read(0x0001, true));
} }
} }
src/test/java/com/loomcom/symon/AciaTest6850.java
+13 -13
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@@ -67,7 +67,7 @@ public class AciaTest6850 {
verify(mockBus, never()).assertIrq(); verify(mockBus, never()).assertIrq();
// Transmission should cause IRQ // Transmission should cause IRQ
acia.txRead(); acia.txRead(true);
verify(mockBus, atLeastOnce()).assertIrq(); verify(mockBus, atLeastOnce()).assertIrq();
} }
@@ -86,7 +86,7 @@ public class AciaTest6850 {
acia.write(DATA_REG, 'a'); acia.write(DATA_REG, 'a');
// Transmission should cause IRQ // Transmission should cause IRQ
acia.txRead(); acia.txRead(true);
verify(mockBus, never()).assertIrq(); verify(mockBus, never()).assertIrq();
} }
@@ -95,7 +95,7 @@ public class AciaTest6850 {
public void newAciaShouldHaveTxEmptyStatus() throws Exception { public void newAciaShouldHaveTxEmptyStatus() throws Exception {
Acia acia = newAcia(); Acia acia = newAcia();
assertEquals(0x02, acia.read(CMD_STAT_REG) & 0x02); assertEquals(0x02, acia.read(CMD_STAT_REG, true) & 0x02);
} }
@Test @Test
@@ -103,7 +103,7 @@ public class AciaTest6850 {
Acia acia = newAcia(); Acia acia = newAcia();
acia.txWrite('a'); acia.txWrite('a');
assertEquals(0x00, acia.read(CMD_STAT_REG) & 0x02); assertEquals(0x00, acia.read(CMD_STAT_REG, true) & 0x02);
} }
@Test @Test
@@ -112,7 +112,7 @@ public class AciaTest6850 {
acia.rxWrite('a'); acia.rxWrite('a');
assertEquals(0x01, acia.read(CMD_STAT_REG) & 0x01); assertEquals(0x01, acia.read(CMD_STAT_REG, true) & 0x01);
} }
@Test @Test
@@ -123,7 +123,7 @@ public class AciaTest6850 {
acia.rxWrite('a'); acia.rxWrite('a');
acia.txWrite('b'); acia.txWrite('b');
assertEquals(0x01, acia.read(CMD_STAT_REG) & 0x03); assertEquals(0x01, acia.read(CMD_STAT_REG, true) & 0x03);
} }
@Test @Test
@@ -136,11 +136,11 @@ public class AciaTest6850 {
acia.rxWrite('a'); acia.rxWrite('a');
acia.rxWrite('b'); acia.rxWrite('b');
assertEquals(0x20, acia.read(CMD_STAT_REG) & 0x20); assertEquals(0x20, acia.read(CMD_STAT_REG, true) & 0x20);
// read should reset // read should reset
acia.rxRead(); acia.rxRead(true);
assertEquals(0x00, acia.read(CMD_STAT_REG) & 0x20); assertEquals(0x00, acia.read(CMD_STAT_REG, true) & 0x20);
} }
@@ -149,15 +149,15 @@ public class AciaTest6850 {
throws Exception { throws Exception {
Acia acia = newAcia(); Acia acia = newAcia();
assertEquals(0x00, acia.read(CMD_STAT_REG) & 0x01); assertEquals(0x00, acia.read(CMD_STAT_REG, true) & 0x01);
acia.rxWrite('a'); acia.rxWrite('a');
assertEquals(0x01, acia.read(CMD_STAT_REG) & 0x01); assertEquals(0x01, acia.read(CMD_STAT_REG, true) & 0x01);
acia.rxRead(); acia.rxRead(true);
assertEquals(0x00, acia.read(CMD_STAT_REG) & 0x01); assertEquals(0x00, acia.read(CMD_STAT_REG, true) & 0x01);
} }
} }
src/test/java/com/loomcom/symon/CpuAbsoluteModeTest.java
+49 -49
View File
@@ -121,31 +121,31 @@ public class CpuAbsoluteModeTest extends TestCase {
0x0e, 0x04, 0x12); // ASL $1204 0x0e, 0x04, 0x12); // ASL $1204
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x7f00)); assertEquals(0x00, bus.read(0x7f00, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x7f01)); assertEquals(0x02, bus.read(0x7f01, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x04, bus.read(0x3502)); assertEquals(0x04, bus.read(0x3502, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x88, bus.read(0x3503)); assertEquals(0x88, bus.read(0x3503, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1204)); assertEquals(0x00, bus.read(0x1204, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
@@ -165,8 +165,8 @@ public class CpuAbsoluteModeTest extends TestCase {
// Old PC-1 should be on stack (i.e.: address of third byte of the // Old PC-1 should be on stack (i.e.: address of third byte of the
// JSR instruction, 0x0204) // JSR instruction, 0x0204)
assertEquals(0x02, bus.read(0x1ff)); assertEquals(0x02, bus.read(0x1ff, true));
assertEquals(0x04, bus.read(0x1fe)); assertEquals(0x04, bus.read(0x1fe, true));
// No flags should have changed. // No flags should have changed.
assertEquals(0x20, cpu.getProcessorStatus()); assertEquals(0x20, cpu.getProcessorStatus());
@@ -295,61 +295,61 @@ public class CpuAbsoluteModeTest extends TestCase {
0x2e, 0x01, 0x12); // ROL $1201 (m=%10000001, c=0) 0x2e, 0x01, 0x12); // ROL $1201 (m=%10000001, c=0)
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1200)); assertEquals(0x00, bus.read(0x1200, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x1201)); assertEquals(0x02, bus.read(0x1201, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(2); cpu.step(2);
assertEquals(0x05, bus.read(0x1201)); assertEquals(0x05, bus.read(0x1201, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x0a, bus.read(0x1201)); assertEquals(0x0a, bus.read(0x1201, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x14, bus.read(0x1201)); assertEquals(0x14, bus.read(0x1201, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x28, bus.read(0x1201)); assertEquals(0x28, bus.read(0x1201, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x50, bus.read(0x1201)); assertEquals(0x50, bus.read(0x1201, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0xa0, bus.read(0x1201)); assertEquals(0xa0, bus.read(0x1201, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0x1201)); assertEquals(0x40, bus.read(0x1201, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x81, bus.read(0x1201)); assertEquals(0x81, bus.read(0x1201, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -418,38 +418,38 @@ public class CpuAbsoluteModeTest extends TestCase {
0x4e, 0x05, 0x12); // LSR $1205 0x4e, 0x05, 0x12); // LSR $1205
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1200)); assertEquals(0x00, bus.read(0x1200, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1201)); assertEquals(0x00, bus.read(0x1201, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0x1202)); assertEquals(0x01, bus.read(0x1202, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x22, bus.read(0x1203)); assertEquals(0x22, bus.read(0x1203, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0x1204)); assertEquals(0x40, bus.read(0x1204, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
// Setting Carry should not affect the result. // Setting Carry should not affect the result.
cpu.step(2); cpu.step(2);
assertEquals(0x01, bus.read(0x1205)); assertEquals(0x01, bus.read(0x1205, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -654,61 +654,61 @@ public class CpuAbsoluteModeTest extends TestCase {
0x6e, 0x11, 0x12); // ROR $1201 (m=%00010000, c=0) 0x6e, 0x11, 0x12); // ROR $1201 (m=%00010000, c=0)
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1210)); assertEquals(0x00, bus.read(0x1210, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x08, bus.read(0x1211)); assertEquals(0x08, bus.read(0x1211, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x04, bus.read(0x1211)); assertEquals(0x04, bus.read(0x1211, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x1211)); assertEquals(0x02, bus.read(0x1211, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0x1211)); assertEquals(0x01, bus.read(0x1211, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1211)); assertEquals(0x00, bus.read(0x1211, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x1211)); assertEquals(0x80, bus.read(0x1211, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0x1211)); assertEquals(0x40, bus.read(0x1211, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x20, bus.read(0x1211)); assertEquals(0x20, bus.read(0x1211, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x10, bus.read(0x1211)); assertEquals(0x10, bus.read(0x1211, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -720,7 +720,7 @@ public class CpuAbsoluteModeTest extends TestCase {
cpu.setYRegister(0x00); cpu.setYRegister(0x00);
bus.loadProgram(0x8c, 0x10, 0x12); bus.loadProgram(0x8c, 0x10, 0x12);
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1210)); assertEquals(0x00, bus.read(0x1210, true));
// STY should have NO effect on flags. // STY should have NO effect on flags.
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -730,7 +730,7 @@ public class CpuAbsoluteModeTest extends TestCase {
cpu.setYRegister(0x0f); cpu.setYRegister(0x0f);
bus.loadProgram(0x8c, 0x10, 0x12); bus.loadProgram(0x8c, 0x10, 0x12);
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0x1210)); assertEquals(0x0f, bus.read(0x1210, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -739,7 +739,7 @@ public class CpuAbsoluteModeTest extends TestCase {
cpu.setYRegister(0x80); cpu.setYRegister(0x80);
bus.loadProgram(0x8c, 0x10, 0x12); bus.loadProgram(0x8c, 0x10, 0x12);
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x1210)); assertEquals(0x80, bus.read(0x1210, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
@@ -750,7 +750,7 @@ public class CpuAbsoluteModeTest extends TestCase {
cpu.setAccumulator(0x00); cpu.setAccumulator(0x00);
bus.loadProgram(0x8d, 0x10, 0x12); bus.loadProgram(0x8d, 0x10, 0x12);
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1210)); assertEquals(0x00, bus.read(0x1210, true));
// STA should have NO effect on flags. // STA should have NO effect on flags.
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -760,7 +760,7 @@ public class CpuAbsoluteModeTest extends TestCase {
cpu.setAccumulator(0x0f); cpu.setAccumulator(0x0f);
bus.loadProgram(0x8d, 0x10, 0x12); bus.loadProgram(0x8d, 0x10, 0x12);
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0x1210)); assertEquals(0x0f, bus.read(0x1210, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -769,7 +769,7 @@ public class CpuAbsoluteModeTest extends TestCase {
cpu.setAccumulator(0x80); cpu.setAccumulator(0x80);
bus.loadProgram(0x8d, 0x10, 0x12); bus.loadProgram(0x8d, 0x10, 0x12);
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x1210)); assertEquals(0x80, bus.read(0x1210, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
@@ -780,7 +780,7 @@ public class CpuAbsoluteModeTest extends TestCase {
cpu.setXRegister(0x00); cpu.setXRegister(0x00);
bus.loadProgram(0x8e, 0x10, 0x12); bus.loadProgram(0x8e, 0x10, 0x12);
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1210)); assertEquals(0x00, bus.read(0x1210, true));
// STX should have NO effect on flags. // STX should have NO effect on flags.
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -790,7 +790,7 @@ public class CpuAbsoluteModeTest extends TestCase {
cpu.setXRegister(0x0f); cpu.setXRegister(0x0f);
bus.loadProgram(0x8e, 0x10, 0x12); bus.loadProgram(0x8e, 0x10, 0x12);
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0x1210)); assertEquals(0x0f, bus.read(0x1210, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -799,7 +799,7 @@ public class CpuAbsoluteModeTest extends TestCase {
cpu.setXRegister(0x80); cpu.setXRegister(0x80);
bus.loadProgram(0x8e, 0x10, 0x12); bus.loadProgram(0x8e, 0x10, 0x12);
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x1210)); assertEquals(0x80, bus.read(0x1210, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
@@ -957,22 +957,22 @@ public class CpuAbsoluteModeTest extends TestCase {
0xce, 0x13, 0x12); // DEC $1213 0xce, 0x13, 0x12); // DEC $1213
cpu.step(); cpu.step();
assertEquals(0xff, bus.read(0x1210)); assertEquals(0xff, bus.read(0x1210, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1211)); assertEquals(0x00, bus.read(0x1211, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x7f, bus.read(0x1212)); assertEquals(0x7f, bus.read(0x1212, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0xfe, bus.read(0x1213)); assertEquals(0xfe, bus.read(0x1213, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
} }
@@ -1213,17 +1213,17 @@ public class CpuAbsoluteModeTest extends TestCase {
0xee, 0x12, 0x12); // INC $1212 0xee, 0x12, 0x12); // INC $1212
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0x1210)); assertEquals(0x01, bus.read(0x1210, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x1211)); assertEquals(0x80, bus.read(0x1211, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1212)); assertEquals(0x00, bus.read(0x1212, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
src/test/java/com/loomcom/symon/CpuAbsoluteXModeTest.java
+41 -41
View File
@@ -117,31 +117,31 @@ public class CpuAbsoluteXModeTest extends TestCase {
0x1e, 0x04, 0x2c); // ASL $2c04,X 0x1e, 0x04, 0x2c); // ASL $2c04,X
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x2c30)); assertEquals(0x00, bus.read(0x2c30, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x2c31)); assertEquals(0x02, bus.read(0x2c31, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x04, bus.read(0x2c32)); assertEquals(0x04, bus.read(0x2c32, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x88, bus.read(0x2c33)); assertEquals(0x88, bus.read(0x2c33, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x2c34)); assertEquals(0x00, bus.read(0x2c34, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
@@ -229,61 +229,61 @@ public class CpuAbsoluteXModeTest extends TestCase {
0x3e, 0x01, 0x10); // ROL $1001,X (m=%10000001, c=0) 0x3e, 0x01, 0x10); // ROL $1001,X (m=%10000001, c=0)
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x1070)); assertEquals(0x00, bus.read(0x1070, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x1071)); assertEquals(0x02, bus.read(0x1071, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(2); cpu.step(2);
assertEquals(0x05, bus.read(0x1071)); assertEquals(0x05, bus.read(0x1071, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x0a, bus.read(0x1071)); assertEquals(0x0a, bus.read(0x1071, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x14, bus.read(0x1071)); assertEquals(0x14, bus.read(0x1071, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x28, bus.read(0x1071)); assertEquals(0x28, bus.read(0x1071, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x50, bus.read(0x1071)); assertEquals(0x50, bus.read(0x1071, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0xa0, bus.read(0x1071)); assertEquals(0xa0, bus.read(0x1071, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0x1071)); assertEquals(0x40, bus.read(0x1071, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x81, bus.read(0x1071)); assertEquals(0x81, bus.read(0x1071, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -346,38 +346,38 @@ public class CpuAbsoluteXModeTest extends TestCase {
0x5e, 0x05, 0xab); // LSR $ab05,X 0x5e, 0x05, 0xab); // LSR $ab05,X
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0xab30)); assertEquals(0x00, bus.read(0xab30, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0xab31)); assertEquals(0x00, bus.read(0xab31, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0xab32)); assertEquals(0x01, bus.read(0xab32, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x22, bus.read(0xab33)); assertEquals(0x22, bus.read(0xab33, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0xab34)); assertEquals(0x40, bus.read(0xab34, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
// Setting Carry should not affect the result. // Setting Carry should not affect the result.
cpu.step(2); cpu.step(2);
assertEquals(0x01, bus.read(0xab35)); assertEquals(0x01, bus.read(0xab35, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -609,61 +609,61 @@ public class CpuAbsoluteXModeTest extends TestCase {
cpu.setXRegister(0x30); cpu.setXRegister(0x30);
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0xab40)); assertEquals(0x00, bus.read(0xab40, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x08, bus.read(0xab41)); assertEquals(0x08, bus.read(0xab41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x04, bus.read(0xab41)); assertEquals(0x04, bus.read(0xab41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0xab41)); assertEquals(0x02, bus.read(0xab41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0xab41)); assertEquals(0x01, bus.read(0xab41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0xab41)); assertEquals(0x00, bus.read(0xab41, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0xab41)); assertEquals(0x80, bus.read(0xab41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0xab41)); assertEquals(0x40, bus.read(0xab41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x20, bus.read(0xab41)); assertEquals(0x20, bus.read(0xab41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x10, bus.read(0xab41)); assertEquals(0x10, bus.read(0xab41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -677,7 +677,7 @@ public class CpuAbsoluteXModeTest extends TestCase {
cpu.setAccumulator(0x00); cpu.setAccumulator(0x00);
bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0xab40)); assertEquals(0x00, bus.read(0xab40, true));
// STA should have NO affect on flags. // STA should have NO affect on flags.
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -688,7 +688,7 @@ public class CpuAbsoluteXModeTest extends TestCase {
cpu.setAccumulator(0x0f); cpu.setAccumulator(0x0f);
bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0xab40)); assertEquals(0x0f, bus.read(0xab40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -698,7 +698,7 @@ public class CpuAbsoluteXModeTest extends TestCase {
cpu.setAccumulator(0x80); cpu.setAccumulator(0x80);
bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0xab40)); assertEquals(0x80, bus.read(0xab40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
@@ -808,22 +808,22 @@ public class CpuAbsoluteXModeTest extends TestCase {
cpu.setXRegister(0x30); cpu.setXRegister(0x30);
cpu.step(); cpu.step();
assertEquals(0xff, bus.read(0xab40)); assertEquals(0xff, bus.read(0xab40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0xab41)); assertEquals(0x00, bus.read(0xab41, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x7f, bus.read(0xab42)); assertEquals(0x7f, bus.read(0xab42, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0xfe, bus.read(0xab43)); assertEquals(0xfe, bus.read(0xab43, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
} }
@@ -1051,17 +1051,17 @@ public class CpuAbsoluteXModeTest extends TestCase {
0xfe, 0x12, 0xab); // INC $ab12,X 0xfe, 0x12, 0xab); // INC $ab12,X
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0xab30)); assertEquals(0x01, bus.read(0xab30, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0xab31)); assertEquals(0x80, bus.read(0xab31, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0xab32)); assertEquals(0x00, bus.read(0xab32, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
src/test/java/com/loomcom/symon/CpuAbsoluteYModeTest.java
+3 -3
View File
@@ -411,7 +411,7 @@ public class CpuAbsoluteYModeTest extends TestCase {
cpu.setAccumulator(0x00); cpu.setAccumulator(0x00);
bus.loadProgram(0x99, 0x10, 0xab); // STA $ab10,Y bus.loadProgram(0x99, 0x10, 0xab); // STA $ab10,Y
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0xab40)); assertEquals(0x00, bus.read(0xab40, true));
// STA should have NO effect on flags // STA should have NO effect on flags
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -423,7 +423,7 @@ public class CpuAbsoluteYModeTest extends TestCase {
cpu.setAccumulator(0x0f); cpu.setAccumulator(0x0f);
bus.loadProgram(0x99, 0x10, 0xab); // STA $ab10,Y bus.loadProgram(0x99, 0x10, 0xab); // STA $ab10,Y
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0xab40)); assertEquals(0x0f, bus.read(0xab40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -433,7 +433,7 @@ public class CpuAbsoluteYModeTest extends TestCase {
cpu.setAccumulator(0x80); cpu.setAccumulator(0x80);
bus.loadProgram(0x99, 0x10, 0xab); // STA $ab10,Y bus.loadProgram(0x99, 0x10, 0xab); // STA $ab10,Y
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0xab40)); assertEquals(0x80, bus.read(0xab40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
src/test/java/com/loomcom/symon/CpuImpliedModeTest.java
+6 -6
View File
@@ -101,10 +101,10 @@ public class CpuImpliedModeTest {
cpu.step(); // Triggers the BRK cpu.step(); // Triggers the BRK
// Was at PC = 0x204. PC+1 should now be on the stack // Was at PC = 0x204. PC+1 should now be on the stack
assertEquals(0x02, bus.read(0x1ff)); // PC high byte assertEquals(0x02, bus.read(0x1ff, true)); // PC high byte
assertEquals(0x05, bus.read(0x1fe)); // PC low byte assertEquals(0x05, bus.read(0x1fe, true)); // PC low byte
assertEquals(0x20 | Cpu.P_CARRY | Cpu.P_OVERFLOW | Cpu.P_BREAK, assertEquals(0x20 | Cpu.P_CARRY | Cpu.P_OVERFLOW | Cpu.P_BREAK,
bus.read(0x1fd)); // Processor Status, with B set bus.read(0x1fd, true)); // Processor Status, with B set
// Interrupt vector held 0x1234, so we should be there. // Interrupt vector held 0x1234, so we should be there.
assertEquals(0x1234, cpu.getProgramCounter()); assertEquals(0x1234, cpu.getProgramCounter());
@@ -149,10 +149,10 @@ public class CpuImpliedModeTest {
// Was at PC = 0x204. PC+1 should now be on the stack // Was at PC = 0x204. PC+1 should now be on the stack
assertEquals(0x02, bus.read(0x1ff)); // PC high byte assertEquals(0x02, bus.read(0x1ff, true)); // PC high byte
assertEquals(0x05, bus.read(0x1fe)); // PC low byte assertEquals(0x05, bus.read(0x1fe, true)); // PC low byte
assertEquals(0x20 | Cpu.P_CARRY | Cpu.P_OVERFLOW | Cpu.P_BREAK | Cpu.P_IRQ_DISABLE, assertEquals(0x20 | Cpu.P_CARRY | Cpu.P_OVERFLOW | Cpu.P_BREAK | Cpu.P_IRQ_DISABLE,
bus.read(0x1fd)); // Processor Status, with B set bus.read(0x1fd, true)); // Processor Status, with B set
// Interrupt vector held 0x1234, so we should be there. // Interrupt vector held 0x1234, so we should be there.
assertEquals(0x1234, cpu.getProgramCounter()); assertEquals(0x1234, cpu.getProgramCounter());
src/test/java/com/loomcom/symon/CpuIndexedIndirectModeTest.java
+2 -2
View File
@@ -87,7 +87,7 @@ public class CpuIndexedIndirectModeTest {
cpu.step(1); cpu.step(1);
assertEquals(0x35, cpu.getAccumulator()); assertEquals(0x35, cpu.getAccumulator());
assertEquals(0x31, bus.read(0xc51f)); assertEquals(0x31, bus.read(0xc51f, true));
} }
@Test @Test
@@ -103,6 +103,6 @@ public class CpuIndexedIndirectModeTest {
cpu.step(1); cpu.step(1);
assertEquals(0x11, cpu.getAccumulator()); assertEquals(0x11, cpu.getAccumulator());
assertEquals(0x31, bus.read(0xc51f)); assertEquals(0x31, bus.read(0xc51f, true));
} }
} }
src/test/java/com/loomcom/symon/CpuIndirectIndexedModeTest.java
+2 -2
View File
@@ -62,7 +62,7 @@ public class CpuIndirectIndexedModeTest {
cpu.step(1); cpu.step(1);
assertEquals(0xf3, cpu.getAccumulator()); assertEquals(0xf3, cpu.getAccumulator());
assertEquals(0xe3, bus.read(0xd828)); assertEquals(0xe3, bus.read(0xd828, true));
} }
@Test @Test
@@ -78,7 +78,7 @@ public class CpuIndirectIndexedModeTest {
cpu.step(1); cpu.step(1);
assertEquals(0x22, cpu.getAccumulator()); assertEquals(0x22, cpu.getAccumulator());
assertEquals(0xe3, bus.read(0xd828)); assertEquals(0xe3, bus.read(0xd828, true));
} }
} }
src/test/java/com/loomcom/symon/CpuIndirectXModeTest.java
+3 -3
View File
@@ -411,7 +411,7 @@ public class CpuIndirectXModeTest extends TestCase {
cpu.setAccumulator(0x00); cpu.setAccumulator(0x00);
bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0xab40)); assertEquals(0x00, bus.read(0xab40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -422,7 +422,7 @@ public class CpuIndirectXModeTest extends TestCase {
cpu.setAccumulator(0x0f); cpu.setAccumulator(0x0f);
bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0xab40)); assertEquals(0x0f, bus.read(0xab40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -432,7 +432,7 @@ public class CpuIndirectXModeTest extends TestCase {
cpu.setAccumulator(0x80); cpu.setAccumulator(0x80);
bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X bus.loadProgram(0x9d, 0x10, 0xab); // STA $ab10,X
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0xab40)); assertEquals(0x80, bus.read(0xab40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
src/test/java/com/loomcom/symon/CpuTest.java
+25 -25
View File
@@ -71,61 +71,61 @@ public class CpuTest extends TestCase {
public void testStackPush() throws MemoryAccessException { public void testStackPush() throws MemoryAccessException {
assertEquals(0xff, cpu.getStackPointer()); assertEquals(0xff, cpu.getStackPointer());
assertEquals(0x00, bus.read(0x1ff)); assertEquals(0x00, bus.read(0x1ff, true));
cpu.stackPush(0x06); cpu.stackPush(0x06);
assertEquals(0xfe, cpu.getStackPointer()); assertEquals(0xfe, cpu.getStackPointer());
assertEquals(0x06, bus.read(0x1ff)); assertEquals(0x06, bus.read(0x1ff, true));
cpu.stackPush(0x05); cpu.stackPush(0x05);
assertEquals(0xfd, cpu.getStackPointer()); assertEquals(0xfd, cpu.getStackPointer());
assertEquals(0x06, bus.read(0x1ff)); assertEquals(0x06, bus.read(0x1ff, true));
assertEquals(0x05, bus.read(0x1fe)); assertEquals(0x05, bus.read(0x1fe, true));
cpu.stackPush(0x04); cpu.stackPush(0x04);
assertEquals(0xfc, cpu.getStackPointer()); assertEquals(0xfc, cpu.getStackPointer());
assertEquals(0x06, bus.read(0x1ff)); assertEquals(0x06, bus.read(0x1ff, true));
assertEquals(0x05, bus.read(0x1fe)); assertEquals(0x05, bus.read(0x1fe, true));
assertEquals(0x04, bus.read(0x1fd)); assertEquals(0x04, bus.read(0x1fd, true));
cpu.stackPush(0x03); cpu.stackPush(0x03);
assertEquals(0xfb, cpu.getStackPointer()); assertEquals(0xfb, cpu.getStackPointer());
assertEquals(0x06, bus.read(0x1ff)); assertEquals(0x06, bus.read(0x1ff, true));
assertEquals(0x05, bus.read(0x1fe)); assertEquals(0x05, bus.read(0x1fe, true));
assertEquals(0x04, bus.read(0x1fd)); assertEquals(0x04, bus.read(0x1fd, true));
assertEquals(0x03, bus.read(0x1fc)); assertEquals(0x03, bus.read(0x1fc, true));
cpu.stackPush(0x02); cpu.stackPush(0x02);
assertEquals(0xfa, cpu.getStackPointer()); assertEquals(0xfa, cpu.getStackPointer());
assertEquals(0x06, bus.read(0x1ff)); assertEquals(0x06, bus.read(0x1ff, true));
assertEquals(0x05, bus.read(0x1fe)); assertEquals(0x05, bus.read(0x1fe, true));
assertEquals(0x04, bus.read(0x1fd)); assertEquals(0x04, bus.read(0x1fd, true));
assertEquals(0x03, bus.read(0x1fc)); assertEquals(0x03, bus.read(0x1fc, true));
assertEquals(0x02, bus.read(0x1fb)); assertEquals(0x02, bus.read(0x1fb, true));
cpu.stackPush(0x01); cpu.stackPush(0x01);
assertEquals(0xf9, cpu.getStackPointer()); assertEquals(0xf9, cpu.getStackPointer());
assertEquals(0x06, bus.read(0x1ff)); assertEquals(0x06, bus.read(0x1ff, true));
assertEquals(0x05, bus.read(0x1fe)); assertEquals(0x05, bus.read(0x1fe, true));
assertEquals(0x04, bus.read(0x1fd)); assertEquals(0x04, bus.read(0x1fd, true));
assertEquals(0x03, bus.read(0x1fc)); assertEquals(0x03, bus.read(0x1fc, true));
assertEquals(0x02, bus.read(0x1fb)); assertEquals(0x02, bus.read(0x1fb, true));
assertEquals(0x01, bus.read(0x1fa)); assertEquals(0x01, bus.read(0x1fa, true));
} }
public void testStackPushWrapsAroundToStackTop() throws MemoryAccessException { public void testStackPushWrapsAroundToStackTop() throws MemoryAccessException {
cpu.setStackPointer(0x01); cpu.setStackPointer(0x01);
cpu.stackPush(0x01); cpu.stackPush(0x01);
assertEquals(0x01, bus.read(0x101)); assertEquals(0x01, bus.read(0x101, true));
assertEquals(0x00, cpu.getStackPointer()); assertEquals(0x00, cpu.getStackPointer());
cpu.stackPush(0x02); cpu.stackPush(0x02);
assertEquals(0x02, bus.read(0x100)); assertEquals(0x02, bus.read(0x100, true));
assertEquals(0xff, cpu.getStackPointer()); assertEquals(0xff, cpu.getStackPointer());
cpu.stackPush(0x03); cpu.stackPush(0x03);
assertEquals(0x03, bus.read(0x1ff)); assertEquals(0x03, bus.read(0x1ff, true));
assertEquals(0xfe, cpu.getStackPointer()); assertEquals(0xfe, cpu.getStackPointer());
} }
src/test/java/com/loomcom/symon/CpuZeroPageModeTest.java
+47 -47
View File
@@ -119,31 +119,31 @@ public class CpuZeroPageModeTest extends TestCase {
0x06, 0x04); 0x06, 0x04);
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x0000)); assertEquals(0x00, bus.read(0x0000, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x0001)); assertEquals(0x02, bus.read(0x0001, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x04, bus.read(0x0002)); assertEquals(0x04, bus.read(0x0002, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x88, bus.read(0x0003)); assertEquals(0x88, bus.read(0x0003, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x0004)); assertEquals(0x00, bus.read(0x0004, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
@@ -274,61 +274,61 @@ public class CpuZeroPageModeTest extends TestCase {
0x26, 0x01); // ROL $01 (m=%10000001, c=0) 0x26, 0x01); // ROL $01 (m=%10000001, c=0)
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x0000)); assertEquals(0x00, bus.read(0x0000, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x0001)); assertEquals(0x02, bus.read(0x0001, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(2); cpu.step(2);
assertEquals(0x05, bus.read(0x0001)); assertEquals(0x05, bus.read(0x0001, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x0a, bus.read(0x0001)); assertEquals(0x0a, bus.read(0x0001, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x14, bus.read(0x0001)); assertEquals(0x14, bus.read(0x0001, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x28, bus.read(0x0001)); assertEquals(0x28, bus.read(0x0001, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x50, bus.read(0x0001)); assertEquals(0x50, bus.read(0x0001, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0xa0, bus.read(0x0001)); assertEquals(0xa0, bus.read(0x0001, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0x0001)); assertEquals(0x40, bus.read(0x0001, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x81, bus.read(0x0001)); assertEquals(0x81, bus.read(0x0001, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -387,38 +387,38 @@ public class CpuZeroPageModeTest extends TestCase {
0x46, 0x05); // LSR $05 0x46, 0x05); // LSR $05
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x0000)); assertEquals(0x00, bus.read(0x0000, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x0001)); assertEquals(0x00, bus.read(0x0001, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0x0002)); assertEquals(0x01, bus.read(0x0002, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x22, bus.read(0x0003)); assertEquals(0x22, bus.read(0x0003, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0x0004)); assertEquals(0x40, bus.read(0x0004, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
// Setting Carry should not affect the result. // Setting Carry should not affect the result.
cpu.step(2); cpu.step(2);
assertEquals(0x01, bus.read(0x0005)); assertEquals(0x01, bus.read(0x0005, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -623,61 +623,61 @@ public class CpuZeroPageModeTest extends TestCase {
0x66, 0x11); // ROR $01 (m=%00010000, c=0) 0x66, 0x11); // ROR $01 (m=%00010000, c=0)
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x10)); assertEquals(0x00, bus.read(0x10, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x08, bus.read(0x11)); assertEquals(0x08, bus.read(0x11, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x04, bus.read(0x11)); assertEquals(0x04, bus.read(0x11, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x11)); assertEquals(0x02, bus.read(0x11, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0x11)); assertEquals(0x01, bus.read(0x11, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x11)); assertEquals(0x00, bus.read(0x11, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x11)); assertEquals(0x80, bus.read(0x11, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0x11)); assertEquals(0x40, bus.read(0x11, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x20, bus.read(0x11)); assertEquals(0x20, bus.read(0x11, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x10, bus.read(0x11)); assertEquals(0x10, bus.read(0x11, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -689,7 +689,7 @@ public class CpuZeroPageModeTest extends TestCase {
cpu.setYRegister(0x00); cpu.setYRegister(0x00);
bus.loadProgram(0x84, 0x10); bus.loadProgram(0x84, 0x10);
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x10)); assertEquals(0x00, bus.read(0x10, true));
// Should have no effect on flags. // Should have no effect on flags.
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -699,7 +699,7 @@ public class CpuZeroPageModeTest extends TestCase {
cpu.setYRegister(0x0f); cpu.setYRegister(0x0f);
bus.loadProgram(0x84, 0x10); bus.loadProgram(0x84, 0x10);
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0x10)); assertEquals(0x0f, bus.read(0x10, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -708,7 +708,7 @@ public class CpuZeroPageModeTest extends TestCase {
cpu.setYRegister(0x80); cpu.setYRegister(0x80);
bus.loadProgram(0x84, 0x10); bus.loadProgram(0x84, 0x10);
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x10)); assertEquals(0x80, bus.read(0x10, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
@@ -719,7 +719,7 @@ public class CpuZeroPageModeTest extends TestCase {
cpu.setAccumulator(0x00); cpu.setAccumulator(0x00);
bus.loadProgram(0x85, 0x10); bus.loadProgram(0x85, 0x10);
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x10)); assertEquals(0x00, bus.read(0x10, true));
// Should have no effect on flags. // Should have no effect on flags.
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -729,7 +729,7 @@ public class CpuZeroPageModeTest extends TestCase {
cpu.setAccumulator(0x0f); cpu.setAccumulator(0x0f);
bus.loadProgram(0x85, 0x10); bus.loadProgram(0x85, 0x10);
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0x10)); assertEquals(0x0f, bus.read(0x10, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -738,7 +738,7 @@ public class CpuZeroPageModeTest extends TestCase {
cpu.setAccumulator(0x80); cpu.setAccumulator(0x80);
bus.loadProgram(0x85, 0x10); bus.loadProgram(0x85, 0x10);
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x10)); assertEquals(0x80, bus.read(0x10, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
@@ -749,7 +749,7 @@ public class CpuZeroPageModeTest extends TestCase {
cpu.setXRegister(0x00); cpu.setXRegister(0x00);
bus.loadProgram(0x86, 0x10); bus.loadProgram(0x86, 0x10);
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x10)); assertEquals(0x00, bus.read(0x10, true));
// Should have no effect on flags. // Should have no effect on flags.
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -759,7 +759,7 @@ public class CpuZeroPageModeTest extends TestCase {
cpu.setXRegister(0x0f); cpu.setXRegister(0x0f);
bus.loadProgram(0x86, 0x10); bus.loadProgram(0x86, 0x10);
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0x10)); assertEquals(0x0f, bus.read(0x10, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -768,7 +768,7 @@ public class CpuZeroPageModeTest extends TestCase {
cpu.setXRegister(0x80); cpu.setXRegister(0x80);
bus.loadProgram(0x86, 0x10); bus.loadProgram(0x86, 0x10);
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x10)); assertEquals(0x80, bus.read(0x10, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
@@ -926,22 +926,22 @@ public class CpuZeroPageModeTest extends TestCase {
0xc6, 0x13); // DEC $13 0xc6, 0x13); // DEC $13
cpu.step(); cpu.step();
assertEquals(0xff, bus.read(0x10)); assertEquals(0xff, bus.read(0x10, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x11)); assertEquals(0x00, bus.read(0x11, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x7f, bus.read(0x12)); assertEquals(0x7f, bus.read(0x12, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0xfe, bus.read(0x13)); assertEquals(0xfe, bus.read(0x13, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
} }
@@ -1182,17 +1182,17 @@ public class CpuZeroPageModeTest extends TestCase {
0xe6, 0x12); // INC $12 0xe6, 0x12); // INC $12
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0x10)); assertEquals(0x01, bus.read(0x10, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x11)); assertEquals(0x80, bus.read(0x11, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x12)); assertEquals(0x00, bus.read(0x12, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
src/test/java/com/loomcom/symon/CpuZeroPageXModeTest.java
+45 -45
View File
@@ -131,38 +131,38 @@ public class CpuZeroPageXModeTest extends TestCase {
0x16, 0xd2); // ASL $d2,X 0x16, 0xd2); // ASL $d2,X
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x30)); assertEquals(0x00, bus.read(0x30, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x31)); assertEquals(0x02, bus.read(0x31, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x04, bus.read(0x32)); assertEquals(0x04, bus.read(0x32, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x88, bus.read(0x33)); assertEquals(0x88, bus.read(0x33, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x34)); assertEquals(0x00, bus.read(0x34, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
// Should wrap around, d2 + 30 = 02 // Should wrap around, d2 + 30 = 02
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x02)); assertEquals(0x02, bus.read(0x02, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -251,61 +251,61 @@ public class CpuZeroPageXModeTest extends TestCase {
0x36, 0x01); // ROL $01,X (m=%10000001, c=0) 0x36, 0x01); // ROL $01,X (m=%10000001, c=0)
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x70)); assertEquals(0x00, bus.read(0x70, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x71)); assertEquals(0x02, bus.read(0x71, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(2); cpu.step(2);
assertEquals(0x05, bus.read(0x71)); assertEquals(0x05, bus.read(0x71, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x0a, bus.read(0x71)); assertEquals(0x0a, bus.read(0x71, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x14, bus.read(0x71)); assertEquals(0x14, bus.read(0x71, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x28, bus.read(0x71)); assertEquals(0x28, bus.read(0x71, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x50, bus.read(0x71)); assertEquals(0x50, bus.read(0x71, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0xa0, bus.read(0x71)); assertEquals(0xa0, bus.read(0x71, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0x71)); assertEquals(0x40, bus.read(0x71, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x81, bus.read(0x71)); assertEquals(0x81, bus.read(0x71, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -368,38 +368,38 @@ public class CpuZeroPageXModeTest extends TestCase {
0x56, 0x05); // LSR $05,X 0x56, 0x05); // LSR $05,X
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x30)); assertEquals(0x00, bus.read(0x30, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x31)); assertEquals(0x00, bus.read(0x31, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0x32)); assertEquals(0x01, bus.read(0x32, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x22, bus.read(0x33)); assertEquals(0x22, bus.read(0x33, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0x34)); assertEquals(0x40, bus.read(0x34, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
// Setting Carry should not affect the result. // Setting Carry should not affect the result.
cpu.step(2); cpu.step(2);
assertEquals(0x01, bus.read(0x35)); assertEquals(0x01, bus.read(0x35, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -641,61 +641,61 @@ public class CpuZeroPageXModeTest extends TestCase {
cpu.setXRegister(0x30); cpu.setXRegister(0x30);
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x40)); assertEquals(0x00, bus.read(0x40, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x08, bus.read(0x41)); assertEquals(0x08, bus.read(0x41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x04, bus.read(0x41)); assertEquals(0x04, bus.read(0x41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x02, bus.read(0x41)); assertEquals(0x02, bus.read(0x41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0x41)); assertEquals(0x01, bus.read(0x41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x41)); assertEquals(0x00, bus.read(0x41, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertTrue(cpu.getCarryFlag()); assertTrue(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x41)); assertEquals(0x80, bus.read(0x41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x40, bus.read(0x41)); assertEquals(0x40, bus.read(0x41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x20, bus.read(0x41)); assertEquals(0x20, bus.read(0x41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
cpu.step(); cpu.step();
assertEquals(0x10, bus.read(0x41)); assertEquals(0x10, bus.read(0x41, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
assertFalse(cpu.getCarryFlag()); assertFalse(cpu.getCarryFlag());
@@ -708,7 +708,7 @@ public class CpuZeroPageXModeTest extends TestCase {
cpu.setYRegister(0x00); cpu.setYRegister(0x00);
bus.loadProgram(0x94, 0x10); // STY $10,X bus.loadProgram(0x94, 0x10); // STY $10,X
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x40)); assertEquals(0x00, bus.read(0x40, true));
// Should have no effect on flags. // Should have no effect on flags.
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -719,7 +719,7 @@ public class CpuZeroPageXModeTest extends TestCase {
cpu.setYRegister(0x0f); cpu.setYRegister(0x0f);
bus.loadProgram(0x94, 0x10); // STY $10,X bus.loadProgram(0x94, 0x10); // STY $10,X
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0x40)); assertEquals(0x0f, bus.read(0x40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -729,7 +729,7 @@ public class CpuZeroPageXModeTest extends TestCase {
cpu.setYRegister(0x80); cpu.setYRegister(0x80);
bus.loadProgram(0x94, 0x10); // STY $10,X bus.loadProgram(0x94, 0x10); // STY $10,X
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x40)); assertEquals(0x80, bus.read(0x40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
@@ -742,7 +742,7 @@ public class CpuZeroPageXModeTest extends TestCase {
cpu.setAccumulator(0x00); cpu.setAccumulator(0x00);
bus.loadProgram(0x95, 0x10); // STA $10,X bus.loadProgram(0x95, 0x10); // STA $10,X
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x40)); assertEquals(0x00, bus.read(0x40, true));
// Should have no effect on flags. // Should have no effect on flags.
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -753,7 +753,7 @@ public class CpuZeroPageXModeTest extends TestCase {
cpu.setAccumulator(0x0f); cpu.setAccumulator(0x0f);
bus.loadProgram(0x95, 0x10); // STA $10,X bus.loadProgram(0x95, 0x10); // STA $10,X
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0x40)); assertEquals(0x0f, bus.read(0x40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -763,7 +763,7 @@ public class CpuZeroPageXModeTest extends TestCase {
cpu.setAccumulator(0x80); cpu.setAccumulator(0x80);
bus.loadProgram(0x95, 0x10); // STA $10,X bus.loadProgram(0x95, 0x10); // STA $10,X
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x40)); assertEquals(0x80, bus.read(0x40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
@@ -873,22 +873,22 @@ public class CpuZeroPageXModeTest extends TestCase {
cpu.setXRegister(0x30); cpu.setXRegister(0x30);
cpu.step(); cpu.step();
assertEquals(0xff, bus.read(0x40)); assertEquals(0xff, bus.read(0x40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x41)); assertEquals(0x00, bus.read(0x41, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x7f, bus.read(0x42)); assertEquals(0x7f, bus.read(0x42, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0xfe, bus.read(0x43)); assertEquals(0xfe, bus.read(0x43, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
} }
@@ -1116,17 +1116,17 @@ public class CpuZeroPageXModeTest extends TestCase {
0xf6, 0x12); // INC $12,X 0xf6, 0x12); // INC $12,X
cpu.step(); cpu.step();
assertEquals(0x01, bus.read(0x30)); assertEquals(0x01, bus.read(0x30, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x31)); assertEquals(0x80, bus.read(0x31, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertTrue(cpu.getNegativeFlag()); assertTrue(cpu.getNegativeFlag());
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x32)); assertEquals(0x00, bus.read(0x32, true));
assertTrue(cpu.getZeroFlag()); assertTrue(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
src/test/java/com/loomcom/symon/CpuZeroPageYModeTest.java
+3 -3
View File
@@ -47,7 +47,7 @@ public class CpuZeroPageYModeTest extends TestCase {
cpu.setXRegister(0x00); cpu.setXRegister(0x00);
bus.loadProgram(0x96, 0x10); // STX $10,Y bus.loadProgram(0x96, 0x10); // STX $10,Y
cpu.step(); cpu.step();
assertEquals(0x00, bus.read(0x40)); assertEquals(0x00, bus.read(0x40, true));
// Should have no effect on flags. // Should have no effect on flags.
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -57,7 +57,7 @@ public class CpuZeroPageYModeTest extends TestCase {
cpu.setXRegister(0x0f); cpu.setXRegister(0x0f);
bus.loadProgram(0x96, 0x10); // STX $10,Y bus.loadProgram(0x96, 0x10); // STX $10,Y
cpu.step(); cpu.step();
assertEquals(0x0f, bus.read(0x40)); assertEquals(0x0f, bus.read(0x40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
@@ -66,7 +66,7 @@ public class CpuZeroPageYModeTest extends TestCase {
cpu.setXRegister(0x80); cpu.setXRegister(0x80);
bus.loadProgram(0x96, 0x10); // STX $10,Y bus.loadProgram(0x96, 0x10); // STX $10,Y
cpu.step(); cpu.step();
assertEquals(0x80, bus.read(0x40)); assertEquals(0x80, bus.read(0x40, true));
assertFalse(cpu.getZeroFlag()); assertFalse(cpu.getZeroFlag());
assertFalse(cpu.getNegativeFlag()); assertFalse(cpu.getNegativeFlag());
} }
src/test/java/com/loomcom/symon/CrtcTest.java
+9 -9
View File
@@ -242,19 +242,19 @@ public class CrtcTest {
crtc.write(0, 12); // High byte crtc.write(0, 12); // High byte
crtc.write(1, 0x03); crtc.write(1, 0x03);
assertEquals(0, crtc.read(1)); assertEquals(0, crtc.read(1, true));
crtc.write(1, 0x70); crtc.write(1, 0x70);
assertEquals(0, crtc.read(1)); assertEquals(0, crtc.read(1, true));
crtc.write(0, 13); // Low byte crtc.write(0, 13); // Low byte
crtc.write(1, 0xff); crtc.write(1, 0xff);
assertEquals(0, crtc.read(1)); assertEquals(0, crtc.read(1, true));
crtc.write(1, 0x0e); crtc.write(1, 0x0e);
assertEquals(0, crtc.read(1)); assertEquals(0, crtc.read(1, true));
} }
@@ -278,10 +278,10 @@ public class CrtcTest {
crtc.write(0, 14); crtc.write(0, 14);
crtc.write(1, 0x3f); crtc.write(1, 0x3f);
assertEquals(0x3f, crtc.read(1)); assertEquals(0x3f, crtc.read(1, true));
crtc.write(1, 0x70); crtc.write(1, 0x70);
assertEquals(0x70, crtc.read(1)); assertEquals(0x70, crtc.read(1, true));
} }
@Test @Test
@@ -313,13 +313,13 @@ public class CrtcTest {
crtc.write(0, 15); crtc.write(0, 15);
crtc.write(1, 0x00); crtc.write(1, 0x00);
assertEquals(0x00, crtc.read(1)); assertEquals(0x00, crtc.read(1, true));
crtc.write(1, 0x1f); crtc.write(1, 0x1f);
assertEquals(0x1f, crtc.read(1)); assertEquals(0x1f, crtc.read(1, true));
crtc.write(1, 0xff); crtc.write(1, 0xff);
assertEquals(0xff, crtc.read(1)); assertEquals(0xff, crtc.read(1, true));
} }