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sethm committed 2008-12-11 21:47:41 -08:00
1 parent d18c1c7f82
commit 7ccde7dc1b
1 file changed
+49 -47
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src/main/java/com/loomcom/lm6502/InstructionTable.java
+49 -47
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@@ -2,7 +2,9 @@ package com.loomcom.lm6502;
public interface InstructionTable { public interface InstructionTable {
// Addressing mode Enumeration /**
* Enumeration of Addressing Modes.
*/
public enum Mode { public enum Mode {
ACC { ACC {
public String toString() { public String toString() {
@@ -14,115 +16,115 @@ public interface InstructionTable {
public String toString() { public String toString() {
return "Absolute"; return "Absolute";
} }
}, },
ABX { ABX {
public String toString() { public String toString() {
return "Absolute, X-indexed"; return "Absolute, X-indexed";
} }
}, },
ABY { ABY {
public String toString() { public String toString() {
return "Absolute, Y-indexed"; return "Absolute, Y-indexed";
} }
}, },
IMM { IMM {
public String toString() { public String toString() {
return "Immediate"; return "Immediate";
} }
}, },
IMP { IMP {
public String toString() { public String toString() {
return "Implied"; return "Implied";
} }
}, },
IND { IND {
public String toString() { public String toString() {
return "Indirect"; return "Indirect";
} }
}, },
XIN { XIN {
public String toString() { public String toString() {
return "X-indexed Indirect"; return "X-indexed Indirect";
} }
}, },
INY { INY {
public String toString() { public String toString() {
return "Indirect, Y-indexedY"; return "Indirect, Y-indexedY";
} }
}, },
REL { REL {
public String toString() { public String toString() {
return "Relative"; return "Relative";
} }
}, },
ZPG { ZPG {
public String toString() { public String toString() {
return "Zeropage"; return "Zeropage";
} }
}, },
ZPX { ZPX {
public String toString() { public String toString() {
return "Zeropage, X-indexed"; return "Zeropage, X-indexed";
} }
}, },
ZPY { ZPY {
public String toString() { public String toString() {
return "Zeropage, Y-indexed"; return "Zeropage, Y-indexed";
} }
}, },
NUL { NUL {
public String toString() { public String toString() {
return "NULL"; return "NULL";
} }
} }
} }
// 6502 opcodes. No 65C02 opcodes implemented. // 6502 opcodes. No 65C02 opcodes implemented.
public static final String[] opcodeNames = { public static final String[] opcodeNames = {
"BRK", "ORA", null, null, null, "ORA", "ASL", null, "BRK", "ORA", null, null, null, "ORA", "ASL", null,
"PHP", "ORA", "ASL", null, null, "ORA", "ASL", null, "PHP", "ORA", "ASL", null, null, "ORA", "ASL", null,
"BPL", "ORA", null, null, null, "ORA", "ASL", null, "BPL", "ORA", null, null, null, "ORA", "ASL", null,
"CLC", "ORA", null, null, null, "ORA", "ASL", null, "CLC", "ORA", null, null, null, "ORA", "ASL", null,
"JSR", "AND", null, null, "BIT", "AND", "ROL", null, "JSR", "AND", null, null, "BIT", "AND", "ROL", null,
"PLP", "AND", "ROL", null, "BIT", "AND", "ROL", null, "PLP", "AND", "ROL", null, "BIT", "AND", "ROL", null,
"BMI", "AND", null, null, null, "AND", "ROL", null, "BMI", "AND", null, null, null, "AND", "ROL", null,
"SEC", "AND", null, null, null, "AND", "ROL", null, "SEC", "AND", null, null, null, "AND", "ROL", null,
"RTI", "EOR", null, null, null, "EOR", "LSR", null, "RTI", "EOR", null, null, null, "EOR", "LSR", null,
"PHA", "EOR", "LSR", null, "JMP", "EOR", "LSR", null, "PHA", "EOR", "LSR", null, "JMP", "EOR", "LSR", null,
"BVC", "EOR", null, null, null, "EOR", "LSR", null, "BVC", "EOR", null, null, null, "EOR", "LSR", null,
"CLI", "EOR", null, null, null, "EOR", "LSR", null, "CLI", "EOR", null, null, null, "EOR", "LSR", null,
"RTS", "ADC", null, null, null, "ADC", "ROR", null, "RTS", "ADC", null, null, null, "ADC", "ROR", null,
"PLA", "ADC", "ROR", null, "JMP", "ADC", "ROR", null, "PLA", "ADC", "ROR", null, "JMP", "ADC", "ROR", null,
"BVS", "ADC", null, null, null, "ADC", "ROR", null, "BVS", "ADC", null, null, null, "ADC", "ROR", null,
"SEI", "ADC", null, null, null, "ADC", "ROR", null, "SEI", "ADC", null, null, null, "ADC", "ROR", null,
"BCS", "STA", null, null, "STY", "STA", "STX", null, "BCS", "STA", null, null, "STY", "STA", "STX", null,
"DEY", null, "TXA", null, "STY", "STA", "STX", null, "DEY", null, "TXA", null, "STY", "STA", "STX", null,
"BCC", "STA", null, null, "STY", "STA", "STX", null, "BCC", "STA", null, null, "STY", "STA", "STX", null,
"TYA", "STA", "TXS", null, null, "STA", null, null, "TYA", "STA", "TXS", null, null, "STA", null, null,
"LDY", "LDA", "LDX", null, "LDY", "LDA", "LDX", null, "LDY", "LDA", "LDX", null, "LDY", "LDA", "LDX", null,
"TAY", "LDA", "TAX", null, "LDY", "LDA", "LDX", null, "TAY", "LDA", "TAX", null, "LDY", "LDA", "LDX", null,
null, "LDA", null, null, "LDY", "LDA", "LDX", null, null, "LDA", null, null, "LDY", "LDA", "LDX", null,
"CLV", "LDA", "TSX", null, "LDY", "LDA", "LDX", null, "CLV", "LDA", "TSX", null, "LDY", "LDA", "LDX", null,
"CPY", "CMP", null, null, "CPY", "CMP", "DEC", null, "CPY", "CMP", null, null, "CPY", "CMP", "DEC", null,
"INY", "CMP", "DEX", null, "CPY", "CMP", "DEC", null, "INY", "CMP", "DEX", null, "CPY", "CMP", "DEC", null,
"BNE", "CMP", null, null, null, "CMP", "DEC", null, "BNE", "CMP", null, null, null, "CMP", "DEC", null,
"CLD", "CMP", null, null, null, "CMP", "DEC", null, "CLD", "CMP", null, null, null, "CMP", "DEC", null,
"CPX", "SBC", null, null, "CPX", "SBC", "INC", null, "CPX", "SBC", null, null, "CPX", "SBC", "INC", null,
"INX", "SBC", "NOP", null, "CPX", "SBC", "INC", null, "INX", "SBC", "NOP", null, "CPX", "SBC", "INC", null,
"BEQ", "SBC", null, null, null, "SBC", "INC", null, "BEQ", "SBC", null, null, null, "SBC", "INC", null,
"SED", "SBC", null, null, null, "SBC", "INC", null "SED", "SBC", null, null, null, "SBC", "INC", null
}; };
public static final Mode[] opcodeModes = { public static final Mode[] opcodeModes = {
@@ -189,7 +191,7 @@ public interface InstructionTable {
Mode.REL, Mode.INY, Mode.NUL, Mode.NUL, // 0xf0-0xf3 Mode.REL, Mode.INY, Mode.NUL, Mode.NUL, // 0xf0-0xf3
Mode.NUL, Mode.ZPX, Mode.ZPX, Mode.NUL, // 0xf4-0xf7 Mode.NUL, Mode.ZPX, Mode.ZPX, Mode.NUL, // 0xf4-0xf7
Mode.IMP, Mode.ABY, Mode.NUL, Mode.NUL, // 0xf8-0xfb Mode.IMP, Mode.ABY, Mode.NUL, Mode.NUL, // 0xf8-0xfb
Mode.NUL, Mode.ABX, Mode.ABX, Mode.NUL // 0xfc-0xff Mode.NUL, Mode.ABX, Mode.ABX, Mode.NUL // 0xfc-0xff
}; };
} }