mirror of
https://github.com/MoleskiCoder/EightBitNet.git
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Correct layout issues in the 6502 implementation.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon
parent
224000c4c7
commit
426670364c
472
M6502/M6502.cs
472
M6502/M6502.cs
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@ -159,276 +159,276 @@ namespace EightBit
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switch (this.OpCode)
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{
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case 0x00: this.FetchByte(); this.Interrupt(); break; // BRK (implied)
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case 0x01: this.A = this.OrR(this.A, this.AM_IndexedIndirectX()); break; // ORA (indexed indirect X)
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case 0x00: this.FetchByte(); this.Interrupt(); break; // BRK (implied)
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case 0x01: this.A = this.OrR(this.A, this.AM_IndexedIndirectX()); break; // ORA (indexed indirect X)
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case 0x02: break;
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case 0x03: this.SLO(this.AM_IndexedIndirectX()); break; // *SLO (indexed indirect X)
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case 0x04: this.AM_ZeroPage(); break; // *NOP (zero page)
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case 0x05: this.A = this.OrR(this.A, this.AM_ZeroPage()); break; // ORA (zero page)
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case 0x06: this.BusReadModifyWrite(this.ASL(this.AM_ZeroPage())); break; // ASL (zero page)
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case 0x07: this.SLO(this.AM_ZeroPage()); break; // *SLO (zero page)
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case 0x08: this.BusRead(); this.PHP(); break; // PHP (implied)
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case 0x09: this.A = this.OrR(this.A, this.AM_Immediate()); break; // ORA (immediate)
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case 0x0a: this.BusRead(); this.A = this.ASL(this.A); break; // ASL A (implied)
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case 0x0b: this.ANC(this.AM_Immediate()); break; // *ANC (immediate)
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case 0x0c: this.AM_Absolute(); break; // *NOP (absolute)
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case 0x0d: this.A = this.OrR(this.A, this.AM_Absolute()); break; // ORA (absolute)
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case 0x0e: this.BusReadModifyWrite(this.ASL(this.AM_Absolute())); break; // ASL (absolute)
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case 0x0f: this.SLO(this.AM_Absolute()); break; // *SLO (absolute)
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case 0x03: this.SLO(this.AM_IndexedIndirectX()); break; // *SLO (indexed indirect X)
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case 0x04: this.AM_ZeroPage(); break; // *NOP (zero page)
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case 0x05: this.A = this.OrR(this.A, this.AM_ZeroPage()); break; // ORA (zero page)
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case 0x06: this.BusReadModifyWrite(this.ASL(this.AM_ZeroPage())); break; // ASL (zero page)
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case 0x07: this.SLO(this.AM_ZeroPage()); break; // *SLO (zero page)
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case 0x08: this.BusRead(); this.PHP(); break; // PHP (implied)
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case 0x09: this.A = this.OrR(this.A, this.AM_Immediate()); break; // ORA (immediate)
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case 0x0a: this.BusRead(); this.A = this.ASL(this.A); break; // ASL A (implied)
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case 0x0b: this.ANC(this.AM_Immediate()); break; // *ANC (immediate)
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case 0x0c: this.AM_Absolute(); break; // *NOP (absolute)
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case 0x0d: this.A = this.OrR(this.A, this.AM_Absolute()); break; // ORA (absolute)
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case 0x0e: this.BusReadModifyWrite(this.ASL(this.AM_Absolute())); break; // ASL (absolute)
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case 0x0f: this.SLO(this.AM_Absolute()); break; // *SLO (absolute)
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case 0x10: this.Branch(this.Negative == 0); break; // BPL (relative)
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case 0x11: this.A = this.OrR(this.A, this.AM_IndirectIndexedY()); break; // ORA (indirect indexed Y)
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case 0x10: this.Branch(this.Negative == 0); break; // BPL (relative)
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case 0x11: this.A = this.OrR(this.A, this.AM_IndirectIndexedY()); break; // ORA (indirect indexed Y)
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case 0x12: break;
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case 0x13: this.SLO(this.AM_IndirectIndexedY()); break; // *SLO (indirect indexed Y)
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case 0x14: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
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case 0x15: this.A = this.OrR(this.A, this.AM_ZeroPageX()); break; // ORA (zero page, X)
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case 0x16: this.BusReadModifyWrite(this.ASL(this.AM_ZeroPageX())); break; // ASL (zero page, X)
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case 0x17: this.SLO(this.AM_ZeroPageX()); break; // *SLO (zero page, X)
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case 0x18: this.BusRead(); this.P = ClearFlag(this.P, StatusBits.CF); break; // CLC (implied)
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case 0x19: this.A = this.OrR(this.A, this.AM_AbsoluteY()); break; // ORA (absolute, Y)
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case 0x1a: this.BusRead(); break; // *NOP (implied)
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case 0x1b: this.SLO(this.AM_AbsoluteY()); break; // *SLO (absolute, Y)
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case 0x1c: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
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case 0x1d: this.A = this.OrR(this.A, this.AM_AbsoluteX()); break; // ORA (absolute, X)
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case 0x1e: this.BusReadModifyWrite(this.ASL(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // ASL (absolute, X)
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case 0x1f: this.SLO(this.AM_AbsoluteX()); break; // *SLO (absolute, X)
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case 0x13: this.SLO(this.AM_IndirectIndexedY()); break; // *SLO (indirect indexed Y)
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case 0x14: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
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case 0x15: this.A = this.OrR(this.A, this.AM_ZeroPageX()); break; // ORA (zero page, X)
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case 0x16: this.BusReadModifyWrite(this.ASL(this.AM_ZeroPageX())); break; // ASL (zero page, X)
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case 0x17: this.SLO(this.AM_ZeroPageX()); break; // *SLO (zero page, X)
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case 0x18: this.BusRead(); this.P = ClearFlag(this.P, StatusBits.CF); break; // CLC (implied)
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case 0x19: this.A = this.OrR(this.A, this.AM_AbsoluteY()); break; // ORA (absolute, Y)
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case 0x1a: this.BusRead(); break; // *NOP (implied)
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case 0x1b: this.SLO(this.AM_AbsoluteY()); break; // *SLO (absolute, Y)
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case 0x1c: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
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case 0x1d: this.A = this.OrR(this.A, this.AM_AbsoluteX()); break; // ORA (absolute, X)
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case 0x1e: this.BusReadModifyWrite(this.ASL(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // ASL (absolute, X)
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case 0x1f: this.SLO(this.AM_AbsoluteX()); break; // *SLO (absolute, X)
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case 0x20: this.JSR(); break; // JSR (absolute)
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case 0x21: this.A = this.AndR(this.A, this.AM_IndexedIndirectX()); break; // AND (indexed indirect X)
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case 0x20: this.JSR(); break; // JSR (absolute)
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case 0x21: this.A = this.AndR(this.A, this.AM_IndexedIndirectX()); break; // AND (indexed indirect X)
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case 0x22: break;
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case 0x23: this.RLA(this.AM_IndexedIndirectX()); break; // *RLA (indexed indirect X)
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case 0x24: this.BIT(this.A, this.AM_ZeroPage()); break; // BIT (zero page)
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case 0x25: this.A = this.AndR(this.A, this.AM_ZeroPage()); break; // AND (zero page)
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case 0x26: this.BusReadModifyWrite(this.ROL(this.AM_ZeroPage())); break; // ROL (zero page)
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case 0x27: this.RLA(this.AM_ZeroPage()); break; // *RLA (zero page)
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case 0x28: this.BusRead(); this.BusRead(this.S, 1); this.PLP(); break; // PLP (implied)
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case 0x29: this.A = this.AndR(this.A, this.AM_Immediate()); break; // AND (immediate)
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case 0x2a: this.BusRead(); this.A = this.ROL(this.A); break; // ROL A (implied)
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case 0x2b: this.ANC(this.AM_Immediate()); break; // *ANC (immediate)
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case 0x2c: this.BIT(this.A, this.AM_Absolute()); break; // BIT (absolute)
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case 0x2d: this.A = this.AndR(this.A, this.AM_Absolute()); break; // AND (absolute)
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case 0x2e: this.BusReadModifyWrite(this.ROL(this.AM_Absolute())); break; // ROL (absolute)
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case 0x2f: this.RLA(this.AM_Absolute()); break; // *RLA (absolute)
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case 0x23: this.RLA(this.AM_IndexedIndirectX()); break; // *RLA (indexed indirect X)
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case 0x24: this.BIT(this.A, this.AM_ZeroPage()); break; // BIT (zero page)
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case 0x25: this.A = this.AndR(this.A, this.AM_ZeroPage()); break; // AND (zero page)
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case 0x26: this.BusReadModifyWrite(this.ROL(this.AM_ZeroPage())); break; // ROL (zero page)
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case 0x27: this.RLA(this.AM_ZeroPage()); break; // *RLA (zero page)
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case 0x28: this.BusRead(); this.BusRead(this.S, 1); this.PLP(); break; // PLP (implied)
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case 0x29: this.A = this.AndR(this.A, this.AM_Immediate()); break; // AND (immediate)
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case 0x2a: this.BusRead(); this.A = this.ROL(this.A); break; // ROL A (implied)
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case 0x2b: this.ANC(this.AM_Immediate()); break; // *ANC (immediate)
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case 0x2c: this.BIT(this.A, this.AM_Absolute()); break; // BIT (absolute)
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case 0x2d: this.A = this.AndR(this.A, this.AM_Absolute()); break; // AND (absolute)
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case 0x2e: this.BusReadModifyWrite(this.ROL(this.AM_Absolute())); break; // ROL (absolute)
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case 0x2f: this.RLA(this.AM_Absolute()); break; // *RLA (absolute)
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case 0x30: this.Branch(this.Negative != 0); break; // BMI (relative)
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case 0x31: this.A = this.AndR(this.A, this.AM_IndirectIndexedY()); break; // AND (indirect indexed Y)
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case 0x30: this.Branch(this.Negative != 0); break; // BMI (relative)
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case 0x31: this.A = this.AndR(this.A, this.AM_IndirectIndexedY()); break; // AND (indirect indexed Y)
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case 0x32: break;
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case 0x33: this.RLA(this.AM_IndirectIndexedY()); break; // *RLA (indirect indexed Y)
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case 0x34: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
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case 0x35: this.A = this.AndR(this.A, this.AM_ZeroPageX()); break; // AND (zero page, X)
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case 0x36: this.BusReadModifyWrite(this.ROL(this.AM_ZeroPageX())); break; // ROL (zero page, X)
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case 0x37: this.RLA(this.AM_ZeroPageX()); break; // *RLA (zero page, X)
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case 0x38: this.BusRead(); this.P = SetFlag(this.P, StatusBits.CF); break; // SEC (implied)
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case 0x39: this.A = this.AndR(this.A, this.AM_AbsoluteY()); break; // AND (absolute, Y)
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case 0x3a: this.BusRead(); break; // *NOP (implied)
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case 0x3b: this.RLA(this.AM_AbsoluteY()); break; // *RLA (absolute, Y)
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case 0x3c: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
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case 0x3d: this.A = this.AndR(this.A, this.AM_AbsoluteX()); break; // AND (absolute, X)
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case 0x3e: this.BusReadModifyWrite(this.ROL(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // ROL (absolute, X)
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case 0x3f: this.RLA(this.AM_AbsoluteX()); break; // *RLA (absolute, X)
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case 0x33: this.RLA(this.AM_IndirectIndexedY()); break; // *RLA (indirect indexed Y)
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case 0x34: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
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case 0x35: this.A = this.AndR(this.A, this.AM_ZeroPageX()); break; // AND (zero page, X)
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case 0x36: this.BusReadModifyWrite(this.ROL(this.AM_ZeroPageX())); break; // ROL (zero page, X)
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case 0x37: this.RLA(this.AM_ZeroPageX()); break; // *RLA (zero page, X)
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case 0x38: this.BusRead(); this.P = SetFlag(this.P, StatusBits.CF); break; // SEC (implied)
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case 0x39: this.A = this.AndR(this.A, this.AM_AbsoluteY()); break; // AND (absolute, Y)
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case 0x3a: this.BusRead(); break; // *NOP (implied)
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case 0x3b: this.RLA(this.AM_AbsoluteY()); break; // *RLA (absolute, Y)
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case 0x3c: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
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case 0x3d: this.A = this.AndR(this.A, this.AM_AbsoluteX()); break; // AND (absolute, X)
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case 0x3e: this.BusReadModifyWrite(this.ROL(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // ROL (absolute, X)
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case 0x3f: this.RLA(this.AM_AbsoluteX()); break; // *RLA (absolute, X)
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case 0x40: this.BusRead(); this.RTI(); break; // RTI (implied)
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case 0x41: this.A = this.EorR(this.A, this.AM_IndexedIndirectX()); break; // EOR (indexed indirect X)
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case 0x40: this.BusRead(); this.RTI(); break; // RTI (implied)
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case 0x41: this.A = this.EorR(this.A, this.AM_IndexedIndirectX()); break; // EOR (indexed indirect X)
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case 0x42: break;
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case 0x43: this.SRE(this.AM_IndexedIndirectX()); break; // *SRE (indexed indirect X)
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case 0x44: this.AM_ZeroPage(); break; // *NOP (zero page)
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case 0x45: this.A = this.EorR(this.A, this.AM_ZeroPage()); break; // EOR (zero page)
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case 0x46: this.BusReadModifyWrite(this.LSR(this.AM_ZeroPage())); break; // LSR (zero page)
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case 0x47: this.SRE(this.AM_ZeroPage()); break; // *SRE (zero page)
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case 0x48: this.BusRead(); this.Push(this.A); break; // PHA (implied)
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case 0x49: this.A = this.EorR(this.A, this.AM_Immediate()); break; // EOR (immediate)
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case 0x4a: this.BusRead(); this.A = this.LSR(this.A); break; // LSR A (implied)
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case 0x4b: this.ASR(this.AM_Immediate()); break; // *ASR (immediate)
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case 0x4c: this.Jump(this.Address_Absolute()); break; // JMP (absolute)
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case 0x4d: this.A = this.EorR(this.A, this.AM_Absolute()); break; // EOR (absolute)
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case 0x4e: this.BusReadModifyWrite(this.LSR(this.AM_Absolute())); break; // LSR (absolute)
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case 0x4f: this.SRE(this.AM_Absolute()); break; // *SRE (absolute)
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case 0x43: this.SRE(this.AM_IndexedIndirectX()); break; // *SRE (indexed indirect X)
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case 0x44: this.AM_ZeroPage(); break; // *NOP (zero page)
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case 0x45: this.A = this.EorR(this.A, this.AM_ZeroPage()); break; // EOR (zero page)
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case 0x46: this.BusReadModifyWrite(this.LSR(this.AM_ZeroPage())); break; // LSR (zero page)
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case 0x47: this.SRE(this.AM_ZeroPage()); break; // *SRE (zero page)
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case 0x48: this.BusRead(); this.Push(this.A); break; // PHA (implied)
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case 0x49: this.A = this.EorR(this.A, this.AM_Immediate()); break; // EOR (immediate)
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case 0x4a: this.BusRead(); this.A = this.LSR(this.A); break; // LSR A (implied)
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case 0x4b: this.ASR(this.AM_Immediate()); break; // *ASR (immediate)
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case 0x4c: this.Jump(this.Address_Absolute()); break; // JMP (absolute)
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case 0x4d: this.A = this.EorR(this.A, this.AM_Absolute()); break; // EOR (absolute)
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case 0x4e: this.BusReadModifyWrite(this.LSR(this.AM_Absolute())); break; // LSR (absolute)
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case 0x4f: this.SRE(this.AM_Absolute()); break; // *SRE (absolute)
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case 0x50: this.Branch(this.Overflow == 0); break; // BVC (relative)
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case 0x51: this.A = this.EorR(this.A, this.AM_IndirectIndexedY()); break; // EOR (indirect indexed Y)
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case 0x50: this.Branch(this.Overflow == 0); break; // BVC (relative)
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case 0x51: this.A = this.EorR(this.A, this.AM_IndirectIndexedY()); break; // EOR (indirect indexed Y)
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case 0x52: break;
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case 0x53: this.SRE(this.AM_IndirectIndexedY()); break; // *SRE (indirect indexed Y)
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case 0x54: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
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case 0x55: this.A = this.EorR(this.A, this.AM_ZeroPageX()); break; // EOR (zero page, X)
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case 0x56: this.BusReadModifyWrite(this.LSR(this.AM_ZeroPageX())); break; // LSR (zero page, X)
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case 0x57: this.SRE(this.AM_ZeroPageX()); break; // *SRE (zero page, X)
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case 0x58: this.BusRead(); this.P = ClearFlag(this.P, StatusBits.IF); break; // CLI (implied)
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case 0x59: this.A = this.EorR(this.A, this.AM_AbsoluteY()); break; // EOR (absolute, Y)
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case 0x5a: this.BusRead(); break; // *NOP (implied)
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case 0x5b: this.SRE(this.AM_AbsoluteY()); break; // *SRE (absolute, Y)
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case 0x5c: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
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case 0x5d: this.A = this.EorR(this.A, this.AM_AbsoluteX()); break; // EOR (absolute, X)
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case 0x5e: this.BusReadModifyWrite(this.LSR(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // LSR (absolute, X)
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case 0x5f: this.SRE(this.AM_AbsoluteX()); break; // *SRE (absolute, X)
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case 0x53: this.SRE(this.AM_IndirectIndexedY()); break; // *SRE (indirect indexed Y)
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case 0x54: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
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case 0x55: this.A = this.EorR(this.A, this.AM_ZeroPageX()); break; // EOR (zero page, X)
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case 0x56: this.BusReadModifyWrite(this.LSR(this.AM_ZeroPageX())); break; // LSR (zero page, X)
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case 0x57: this.SRE(this.AM_ZeroPageX()); break; // *SRE (zero page, X)
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case 0x58: this.BusRead(); this.P = ClearFlag(this.P, StatusBits.IF); break; // CLI (implied)
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case 0x59: this.A = this.EorR(this.A, this.AM_AbsoluteY()); break; // EOR (absolute, Y)
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case 0x5a: this.BusRead(); break; // *NOP (implied)
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case 0x5b: this.SRE(this.AM_AbsoluteY()); break; // *SRE (absolute, Y)
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case 0x5c: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
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case 0x5d: this.A = this.EorR(this.A, this.AM_AbsoluteX()); break; // EOR (absolute, X)
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case 0x5e: this.BusReadModifyWrite(this.LSR(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // LSR (absolute, X)
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case 0x5f: this.SRE(this.AM_AbsoluteX()); break; // *SRE (absolute, X)
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case 0x60: this.BusRead(); this.RTS(); break; // RTS (implied)
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case 0x61: this.A = this.ADC(this.A, this.AM_IndexedIndirectX()); break; // ADC (indexed indirect X)
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case 0x60: this.BusRead(); this.RTS(); break; // RTS (implied)
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case 0x61: this.A = this.ADC(this.A, this.AM_IndexedIndirectX()); break; // ADC (indexed indirect X)
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case 0x62: break;
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case 0x63: this.RRA(this.AM_IndexedIndirectX()); break; // *RRA (indexed indirect X)
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case 0x64: this.AM_ZeroPage(); break; // *NOP (zero page)
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case 0x65: this.A = this.ADC(this.A, this.AM_ZeroPage()); break; // ADC (zero page)
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case 0x66: this.BusReadModifyWrite(this.ROR(this.AM_ZeroPage())); break; // ROR (zero page)
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case 0x67: this.RRA(this.AM_ZeroPage()); break; // *RRA (zero page)
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case 0x68: this.BusRead(); this.BusRead(this.S, 1); this.A = this.Through(this.Pop()); break; // PLA (implied)
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case 0x69: this.A = this.ADC(this.A, this.AM_Immediate()); break; // ADC (immediate)
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case 0x6a: this.BusRead(); this.A = this.ROR(this.A); break; // ROR A (implied)
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case 0x6b: this.ARR(this.AM_Immediate()); break; // *ARR (immediate)
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case 0x6c: this.Jump(this.Address_Indirect()); break; // JMP (indirect)
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case 0x6d: this.A = this.ADC(this.A, this.AM_Absolute()); break; // ADC (absolute)
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case 0x6e: this.BusReadModifyWrite(this.ROR(this.AM_Absolute())); break; // ROR (absolute)
|
||||
case 0x6f: this.RRA(this.AM_Absolute()); break; // *RRA (absolute)
|
||||
case 0x63: this.RRA(this.AM_IndexedIndirectX()); break; // *RRA (indexed indirect X)
|
||||
case 0x64: this.AM_ZeroPage(); break; // *NOP (zero page)
|
||||
case 0x65: this.A = this.ADC(this.A, this.AM_ZeroPage()); break; // ADC (zero page)
|
||||
case 0x66: this.BusReadModifyWrite(this.ROR(this.AM_ZeroPage())); break; // ROR (zero page)
|
||||
case 0x67: this.RRA(this.AM_ZeroPage()); break; // *RRA (zero page)
|
||||
case 0x68: this.BusRead(); this.BusRead(this.S, 1); this.A = this.Through(this.Pop()); break; // PLA (implied)
|
||||
case 0x69: this.A = this.ADC(this.A, this.AM_Immediate()); break; // ADC (immediate)
|
||||
case 0x6a: this.BusRead(); this.A = this.ROR(this.A); break; // ROR A (implied)
|
||||
case 0x6b: this.ARR(this.AM_Immediate()); break; // *ARR (immediate)
|
||||
case 0x6c: this.Jump(this.Address_Indirect()); break; // JMP (indirect)
|
||||
case 0x6d: this.A = this.ADC(this.A, this.AM_Absolute()); break; // ADC (absolute)
|
||||
case 0x6e: this.BusReadModifyWrite(this.ROR(this.AM_Absolute())); break; // ROR (absolute)
|
||||
case 0x6f: this.RRA(this.AM_Absolute()); break; // *RRA (absolute)
|
||||
|
||||
case 0x70: this.Branch(this.Overflow != 0); break; // BVS (relative)
|
||||
case 0x71: this.A = this.ADC(this.A, this.AM_IndirectIndexedY()); break; // ADC (indirect indexed Y)
|
||||
case 0x70: this.Branch(this.Overflow != 0); break; // BVS (relative)
|
||||
case 0x71: this.A = this.ADC(this.A, this.AM_IndirectIndexedY()); break; // ADC (indirect indexed Y)
|
||||
case 0x72: break;
|
||||
case 0x73: this.RRA(this.AM_IndirectIndexedY()); break; // *RRA (indirect indexed Y)
|
||||
case 0x74: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
|
||||
case 0x75: this.A = this.ADC(this.A, this.AM_ZeroPageX()); break; // ADC (zero page, X)
|
||||
case 0x76: this.BusReadModifyWrite(this.ROR(this.AM_ZeroPageX())); break; // ROR (zero page, X)
|
||||
case 0x77: this.RRA(this.AM_ZeroPageX()); break; // *RRA (zero page, X)
|
||||
case 0x78: this.BusRead(); this.P = SetFlag(this.P, StatusBits.IF); break; // SEI (implied)
|
||||
case 0x79: this.A = this.ADC(this.A, this.AM_AbsoluteY()); break; // ADC (absolute, Y)
|
||||
case 0x7a: this.BusRead(); break; // *NOP (implied)
|
||||
case 0x7b: this.RRA(this.AM_AbsoluteY()); break; // *RRA (absolute, Y)
|
||||
case 0x7c: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
|
||||
case 0x7d: this.A = this.ADC(this.A, this.AM_AbsoluteX()); break; // ADC (absolute, X)
|
||||
case 0x7e: this.BusReadModifyWrite(this.ROR(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // ROR (absolute, X)
|
||||
case 0x7f: this.RRA(this.AM_AbsoluteX()); break; // *RRA (absolute, X)
|
||||
case 0x73: this.RRA(this.AM_IndirectIndexedY()); break; // *RRA (indirect indexed Y)
|
||||
case 0x74: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
|
||||
case 0x75: this.A = this.ADC(this.A, this.AM_ZeroPageX()); break; // ADC (zero page, X)
|
||||
case 0x76: this.BusReadModifyWrite(this.ROR(this.AM_ZeroPageX())); break; // ROR (zero page, X)
|
||||
case 0x77: this.RRA(this.AM_ZeroPageX()); break; // *RRA (zero page, X)
|
||||
case 0x78: this.BusRead(); this.P = SetFlag(this.P, StatusBits.IF); break; // SEI (implied)
|
||||
case 0x79: this.A = this.ADC(this.A, this.AM_AbsoluteY()); break; // ADC (absolute, Y)
|
||||
case 0x7a: this.BusRead(); break; // *NOP (implied)
|
||||
case 0x7b: this.RRA(this.AM_AbsoluteY()); break; // *RRA (absolute, Y)
|
||||
case 0x7c: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
|
||||
case 0x7d: this.A = this.ADC(this.A, this.AM_AbsoluteX()); break; // ADC (absolute, X)
|
||||
case 0x7e: this.BusReadModifyWrite(this.ROR(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // ROR (absolute, X)
|
||||
case 0x7f: this.RRA(this.AM_AbsoluteX()); break; // *RRA (absolute, X)
|
||||
|
||||
case 0x80: this.AM_Immediate(); break; // *NOP (immediate)
|
||||
case 0x81: this.BusWrite(this.Address_IndexedIndirectX(), this.A); break; // STA (indexed indirect X)
|
||||
case 0x82: this.AM_Immediate(); break; // *NOP (immediate)
|
||||
case 0x83: this.BusWrite(this.Address_IndexedIndirectX(), (byte)(this.A & this.X)); break; // *SAX (indexed indirect X)
|
||||
case 0x84: this.BusWrite(this.Address_ZeroPage(), this.Y); break; // STY (zero page)
|
||||
case 0x85: this.BusWrite(this.Address_ZeroPage(), this.A); break; // STA (zero page)
|
||||
case 0x86: this.BusWrite(this.Address_ZeroPage(), this.X); break; // STX (zero page)
|
||||
case 0x87: this.BusWrite(this.Address_ZeroPage(), (byte)(this.A & this.X)); break; // *SAX (zero page)
|
||||
case 0x88: this.BusRead(); this.Y = this.DEC(this.Y); break; // DEY (implied)
|
||||
case 0x89: this.AM_Immediate(); break; // *NOP (immediate)
|
||||
case 0x8a: this.BusRead(); this.A = this.Through(this.X); break; // TXA (implied)
|
||||
case 0x80: this.AM_Immediate(); break; // *NOP (immediate)
|
||||
case 0x81: this.BusWrite(this.Address_IndexedIndirectX(), this.A); break; // STA (indexed indirect X)
|
||||
case 0x82: this.AM_Immediate(); break; // *NOP (immediate)
|
||||
case 0x83: this.BusWrite(this.Address_IndexedIndirectX(), (byte)(this.A & this.X)); break; // *SAX (indexed indirect X)
|
||||
case 0x84: this.BusWrite(this.Address_ZeroPage(), this.Y); break; // STY (zero page)
|
||||
case 0x85: this.BusWrite(this.Address_ZeroPage(), this.A); break; // STA (zero page)
|
||||
case 0x86: this.BusWrite(this.Address_ZeroPage(), this.X); break; // STX (zero page)
|
||||
case 0x87: this.BusWrite(this.Address_ZeroPage(), (byte)(this.A & this.X)); break; // *SAX (zero page)
|
||||
case 0x88: this.BusRead(); this.Y = this.DEC(this.Y); break; // DEY (implied)
|
||||
case 0x89: this.AM_Immediate(); break; // *NOP (immediate)
|
||||
case 0x8a: this.BusRead(); this.A = this.Through(this.X); break; // TXA (implied)
|
||||
case 0x8b: break;
|
||||
case 0x8c: this.BusWrite(this.Address_Absolute(), this.Y); break; // STY (absolute)
|
||||
case 0x8d: this.BusWrite(this.Address_Absolute(), this.A); break; // STA (absolute)
|
||||
case 0x8e: this.BusWrite(this.Address_Absolute(), this.X); break; // STX (absolute)
|
||||
case 0x8f: this.BusWrite(this.Address_Absolute(), (byte)(this.A & this.X)); break; // *SAX (absolute)
|
||||
case 0x8c: this.BusWrite(this.Address_Absolute(), this.Y); break; // STY (absolute)
|
||||
case 0x8d: this.BusWrite(this.Address_Absolute(), this.A); break; // STA (absolute)
|
||||
case 0x8e: this.BusWrite(this.Address_Absolute(), this.X); break; // STX (absolute)
|
||||
case 0x8f: this.BusWrite(this.Address_Absolute(), (byte)(this.A & this.X)); break; // *SAX (absolute)
|
||||
|
||||
case 0x90: this.Branch(this.Carry == 0); break; // BCC (relative)
|
||||
case 0x91: this.AM_IndirectIndexedY(); this.BusWrite(this.A); break; // STA (indirect indexed Y)
|
||||
case 0x90: this.Branch(this.Carry == 0); break; // BCC (relative)
|
||||
case 0x91: this.AM_IndirectIndexedY(); this.BusWrite(this.A); break; // STA (indirect indexed Y)
|
||||
case 0x92: break;
|
||||
case 0x93: break;
|
||||
case 0x94: this.BusWrite(this.Address_ZeroPageX(), this.Y); break; // STY (zero page, X)
|
||||
case 0x95: this.BusWrite(this.Address_ZeroPageX(), this.A); break; // STA (zero page, X)
|
||||
case 0x96: this.BusWrite(this.Address_ZeroPageY(), this.X); break; // STX (zero page, Y)
|
||||
case 0x97: this.BusWrite(this.Address_ZeroPageY(), (byte)(this.A & this.X)); break; // *SAX (zero page, Y)
|
||||
case 0x98: this.BusRead(); this.A = this.Through(this.Y); break; // TYA (implied)
|
||||
case 0x99: this.STA_AbsoluteY(); break; // STA (absolute, Y)
|
||||
case 0x9a: this.BusRead(); this.S = this.X; break; // TXS (implied)
|
||||
case 0x94: this.BusWrite(this.Address_ZeroPageX(), this.Y); break; // STY (zero page, X)
|
||||
case 0x95: this.BusWrite(this.Address_ZeroPageX(), this.A); break; // STA (zero page, X)
|
||||
case 0x96: this.BusWrite(this.Address_ZeroPageY(), this.X); break; // STX (zero page, Y)
|
||||
case 0x97: this.BusWrite(this.Address_ZeroPageY(), (byte)(this.A & this.X)); break; // *SAX (zero page, Y)
|
||||
case 0x98: this.BusRead(); this.A = this.Through(this.Y); break; // TYA (implied)
|
||||
case 0x99: this.STA_AbsoluteY(); break; // STA (absolute, Y)
|
||||
case 0x9a: this.BusRead(); this.S = this.X; break; // TXS (implied)
|
||||
case 0x9b: break;
|
||||
case 0x9c: break;
|
||||
case 0x9d: this.STA_AbsoluteX(); break; // STA (absolute, X)
|
||||
case 0x9d: this.STA_AbsoluteX(); break; // STA (absolute, X)
|
||||
case 0x9e: break;
|
||||
case 0x9f: break;
|
||||
|
||||
case 0xa0: this.Y = this.Through(this.AM_Immediate()); break; // LDY (immediate)
|
||||
case 0xa1: this.A = this.Through(this.AM_IndexedIndirectX()); break; // LDA (indexed indirect X)
|
||||
case 0xa2: this.X = this.Through(this.AM_Immediate()); break; // LDX (immediate)
|
||||
case 0xa3: this.A = this.X = this.Through(this.AM_IndexedIndirectX()); break; // *LAX (indexed indirect X)
|
||||
case 0xa4: this.Y = this.Through(this.AM_ZeroPage()); break; // LDY (zero page)
|
||||
case 0xa5: this.A = this.Through(this.AM_ZeroPage()); break; // LDA (zero page)
|
||||
case 0xa6: this.X = this.Through(this.AM_ZeroPage()); break; // LDX (zero page)
|
||||
case 0xa7: this.A = this.X = this.Through(this.AM_ZeroPage()); break; // *LAX (zero page)
|
||||
case 0xa8: this.BusRead(); this.Y = this.Through(this.A); break; // TAY (implied)
|
||||
case 0xa9: this.A = this.Through(this.AM_Immediate()); break; // LDA (immediate)
|
||||
case 0xaa: this.BusRead(); this.X = this.Through(this.A); break; // TAX (implied)
|
||||
case 0xab: this.A = this.X = this.Through(this.AM_Immediate()); break; // *ATX (immediate)
|
||||
case 0xac: this.Y = this.Through(this.AM_Absolute()); break; // LDY (absolute)
|
||||
case 0xad: this.A = this.Through(this.AM_Absolute()); break; // LDA (absolute)
|
||||
case 0xae: this.X = this.Through(this.AM_Absolute()); break; // LDX (absolute)
|
||||
case 0xaf: this.A = this.X = this.Through(this.AM_Absolute()); break; // *LAX (absolute)
|
||||
case 0xa0: this.Y = this.Through(this.AM_Immediate()); break; // LDY (immediate)
|
||||
case 0xa1: this.A = this.Through(this.AM_IndexedIndirectX()); break; // LDA (indexed indirect X)
|
||||
case 0xa2: this.X = this.Through(this.AM_Immediate()); break; // LDX (immediate)
|
||||
case 0xa3: this.A = this.X = this.Through(this.AM_IndexedIndirectX()); break; // *LAX (indexed indirect X)
|
||||
case 0xa4: this.Y = this.Through(this.AM_ZeroPage()); break; // LDY (zero page)
|
||||
case 0xa5: this.A = this.Through(this.AM_ZeroPage()); break; // LDA (zero page)
|
||||
case 0xa6: this.X = this.Through(this.AM_ZeroPage()); break; // LDX (zero page)
|
||||
case 0xa7: this.A = this.X = this.Through(this.AM_ZeroPage()); break; // *LAX (zero page)
|
||||
case 0xa8: this.BusRead(); this.Y = this.Through(this.A); break; // TAY (implied)
|
||||
case 0xa9: this.A = this.Through(this.AM_Immediate()); break; // LDA (immediate)
|
||||
case 0xaa: this.BusRead(); this.X = this.Through(this.A); break; // TAX (implied)
|
||||
case 0xab: this.A = this.X = this.Through(this.AM_Immediate()); break; // *ATX (immediate)
|
||||
case 0xac: this.Y = this.Through(this.AM_Absolute()); break; // LDY (absolute)
|
||||
case 0xad: this.A = this.Through(this.AM_Absolute()); break; // LDA (absolute)
|
||||
case 0xae: this.X = this.Through(this.AM_Absolute()); break; // LDX (absolute)
|
||||
case 0xaf: this.A = this.X = this.Through(this.AM_Absolute()); break; // *LAX (absolute)
|
||||
|
||||
case 0xb0: this.Branch(this.Carry != 0); break; // BCS (relative)
|
||||
case 0xb1: this.A = this.Through(this.AM_IndirectIndexedY()); break; // LDA (indirect indexed Y)
|
||||
case 0xb0: this.Branch(this.Carry != 0); break; // BCS (relative)
|
||||
case 0xb1: this.A = this.Through(this.AM_IndirectIndexedY()); break; // LDA (indirect indexed Y)
|
||||
case 0xb2: break;
|
||||
case 0xb3: this.A = this.X = this.Through(this.AM_IndirectIndexedY()); break; // *LAX (indirect indexed Y)
|
||||
case 0xb4: this.Y = this.Through(this.AM_ZeroPageX()); break; // LDY (zero page, X)
|
||||
case 0xb5: this.A = this.Through(this.AM_ZeroPageX()); break; // LDA (zero page, X)
|
||||
case 0xb6: this.X = this.Through(this.AM_ZeroPageY()); break; // LDX (zero page, Y)
|
||||
case 0xb7: this.A = this.X = this.Through(this.AM_ZeroPageY()); break; // *LAX (zero page, Y)
|
||||
case 0xb8: this.BusRead(); this.P = ClearFlag(this.P, StatusBits.VF); break; // CLV (implied)
|
||||
case 0xb9: this.A = this.Through(this.AM_AbsoluteY()); break; // LDA (absolute, Y)
|
||||
case 0xba: this.BusRead(); this.X = this.Through(this.S); break; // TSX (implied)
|
||||
case 0xb3: this.A = this.X = this.Through(this.AM_IndirectIndexedY()); break; // *LAX (indirect indexed Y)
|
||||
case 0xb4: this.Y = this.Through(this.AM_ZeroPageX()); break; // LDY (zero page, X)
|
||||
case 0xb5: this.A = this.Through(this.AM_ZeroPageX()); break; // LDA (zero page, X)
|
||||
case 0xb6: this.X = this.Through(this.AM_ZeroPageY()); break; // LDX (zero page, Y)
|
||||
case 0xb7: this.A = this.X = this.Through(this.AM_ZeroPageY()); break; // *LAX (zero page, Y)
|
||||
case 0xb8: this.BusRead(); this.P = ClearFlag(this.P, StatusBits.VF); break; // CLV (implied)
|
||||
case 0xb9: this.A = this.Through(this.AM_AbsoluteY()); break; // LDA (absolute, Y)
|
||||
case 0xba: this.BusRead(); this.X = this.Through(this.S); break; // TSX (implied)
|
||||
case 0xbb: break;
|
||||
case 0xbc: this.Y = this.Through(this.AM_AbsoluteX()); break; // LDY (absolute, X)
|
||||
case 0xbd: this.A = this.Through(this.AM_AbsoluteX()); break; // LDA (absolute, X)
|
||||
case 0xbe: this.X = this.Through(this.AM_AbsoluteY()); break; // LDX (absolute, Y)
|
||||
case 0xbf: this.A = this.X = this.Through(this.AM_AbsoluteY()); break; // *LAX (absolute, Y)
|
||||
case 0xbc: this.Y = this.Through(this.AM_AbsoluteX()); break; // LDY (absolute, X)
|
||||
case 0xbd: this.A = this.Through(this.AM_AbsoluteX()); break; // LDA (absolute, X)
|
||||
case 0xbe: this.X = this.Through(this.AM_AbsoluteY()); break; // LDX (absolute, Y)
|
||||
case 0xbf: this.A = this.X = this.Through(this.AM_AbsoluteY()); break; // *LAX (absolute, Y)
|
||||
|
||||
case 0xc0: this.CMP(this.Y, this.AM_Immediate()); break; // CPY (immediate)
|
||||
case 0xc1: this.CMP(this.A, this.AM_IndexedIndirectX()); break; // CMP (indexed indirect X)
|
||||
case 0xc2: this.AM_Immediate(); break; // *NOP (immediate)
|
||||
case 0xc3: this.DCP(this.AM_IndexedIndirectX()); break; // *DCP (indexed indirect X)
|
||||
case 0xc4: this.CMP(this.Y, this.AM_ZeroPage()); break; // CPY (zero page)
|
||||
case 0xc5: this.CMP(this.A, this.AM_ZeroPage()); break; // CMP (zero page)
|
||||
case 0xc6: this.BusReadModifyWrite(this.DEC(this.AM_ZeroPage())); break; // DEC (zero page)
|
||||
case 0xc7: this.DCP(this.AM_ZeroPage()); break; // *DCP (zero page)
|
||||
case 0xc8: this.BusRead(); this.Y = this.INC(this.Y); break; // INY (implied)
|
||||
case 0xc9: this.CMP(this.A, this.AM_Immediate()); break; // CMP (immediate)
|
||||
case 0xca: this.BusRead(); this.X = this.DEC(this.X); break; // DEX (implied)
|
||||
case 0xcb: this.AXS(this.AM_Immediate()); break; // *AXS (immediate)
|
||||
case 0xcc: this.CMP(this.Y, this.AM_Absolute()); break; // CPY (absolute)
|
||||
case 0xcd: this.CMP(this.A, this.AM_Absolute()); break; // CMP (absolute)
|
||||
case 0xce: this.BusReadModifyWrite(this.DEC(this.AM_Absolute())); break; // DEC (absolute)
|
||||
case 0xcf: this.DCP(this.AM_Absolute()); break; // *DCP (absolute)
|
||||
case 0xc0: this.CMP(this.Y, this.AM_Immediate()); break; // CPY (immediate)
|
||||
case 0xc1: this.CMP(this.A, this.AM_IndexedIndirectX()); break; // CMP (indexed indirect X)
|
||||
case 0xc2: this.AM_Immediate(); break; // *NOP (immediate)
|
||||
case 0xc3: this.DCP(this.AM_IndexedIndirectX()); break; // *DCP (indexed indirect X)
|
||||
case 0xc4: this.CMP(this.Y, this.AM_ZeroPage()); break; // CPY (zero page)
|
||||
case 0xc5: this.CMP(this.A, this.AM_ZeroPage()); break; // CMP (zero page)
|
||||
case 0xc6: this.BusReadModifyWrite(this.DEC(this.AM_ZeroPage())); break; // DEC (zero page)
|
||||
case 0xc7: this.DCP(this.AM_ZeroPage()); break; // *DCP (zero page)
|
||||
case 0xc8: this.BusRead(); this.Y = this.INC(this.Y); break; // INY (implied)
|
||||
case 0xc9: this.CMP(this.A, this.AM_Immediate()); break; // CMP (immediate)
|
||||
case 0xca: this.BusRead(); this.X = this.DEC(this.X); break; // DEX (implied)
|
||||
case 0xcb: this.AXS(this.AM_Immediate()); break; // *AXS (immediate)
|
||||
case 0xcc: this.CMP(this.Y, this.AM_Absolute()); break; // CPY (absolute)
|
||||
case 0xcd: this.CMP(this.A, this.AM_Absolute()); break; // CMP (absolute)
|
||||
case 0xce: this.BusReadModifyWrite(this.DEC(this.AM_Absolute())); break; // DEC (absolute)
|
||||
case 0xcf: this.DCP(this.AM_Absolute()); break; // *DCP (absolute)
|
||||
|
||||
case 0xd0: this.Branch(this.Zero == 0); break; // BNE (relative)
|
||||
case 0xd1: this.CMP(this.A, this.AM_IndirectIndexedY()); break; // CMP (indirect indexed Y)
|
||||
case 0xd0: this.Branch(this.Zero == 0); break; // BNE (relative)
|
||||
case 0xd1: this.CMP(this.A, this.AM_IndirectIndexedY()); break; // CMP (indirect indexed Y)
|
||||
case 0xd2: break;
|
||||
case 0xd3: this.DCP(this.AM_IndirectIndexedY()); break; // *DCP (indirect indexed Y)
|
||||
case 0xd4: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
|
||||
case 0xd5: this.CMP(this.A, this.AM_ZeroPageX()); break; // CMP (zero page, X)
|
||||
case 0xd6: this.BusReadModifyWrite(this.DEC(this.AM_ZeroPageX())); break; // DEC (zero page, X)
|
||||
case 0xd7: this.DCP(this.AM_ZeroPageX()); break; // *DCP (zero page, X)
|
||||
case 0xd8: this.BusRead(); this.P = ClearFlag(this.P, StatusBits.DF); break; // CLD (implied)
|
||||
case 0xd9: this.CMP(this.A, this.AM_AbsoluteY()); break; // CMP (absolute, Y)
|
||||
case 0xda: this.BusRead(); break; // *NOP (implied)
|
||||
case 0xdb: this.DCP(this.AM_AbsoluteY()); break; // *DCP (absolute, Y)
|
||||
case 0xdc: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
|
||||
case 0xdd: this.CMP(this.A, this.AM_AbsoluteX()); break; // CMP (absolute, X)
|
||||
case 0xde: this.BusReadModifyWrite(this.DEC(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // DEC (absolute, X)
|
||||
case 0xdf: this.DCP(this.AM_AbsoluteX()); break; // *DCP (absolute, X)
|
||||
case 0xd3: this.DCP(this.AM_IndirectIndexedY()); break; // *DCP (indirect indexed Y)
|
||||
case 0xd4: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
|
||||
case 0xd5: this.CMP(this.A, this.AM_ZeroPageX()); break; // CMP (zero page, X)
|
||||
case 0xd6: this.BusReadModifyWrite(this.DEC(this.AM_ZeroPageX())); break; // DEC (zero page, X)
|
||||
case 0xd7: this.DCP(this.AM_ZeroPageX()); break; // *DCP (zero page, X)
|
||||
case 0xd8: this.BusRead(); this.P = ClearFlag(this.P, StatusBits.DF); break; // CLD (implied)
|
||||
case 0xd9: this.CMP(this.A, this.AM_AbsoluteY()); break; // CMP (absolute, Y)
|
||||
case 0xda: this.BusRead(); break; // *NOP (implied)
|
||||
case 0xdb: this.DCP(this.AM_AbsoluteY()); break; // *DCP (absolute, Y)
|
||||
case 0xdc: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
|
||||
case 0xdd: this.CMP(this.A, this.AM_AbsoluteX()); break; // CMP (absolute, X)
|
||||
case 0xde: this.BusReadModifyWrite(this.DEC(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // DEC (absolute, X)
|
||||
case 0xdf: this.DCP(this.AM_AbsoluteX()); break; // *DCP (absolute, X)
|
||||
|
||||
case 0xe0: this.CMP(this.X, this.AM_Immediate()); break; // CPX (immediate)
|
||||
case 0xe1: this.A = this.SBC(this.A, this.AM_IndexedIndirectX()); break; // SBC (indexed indirect X)
|
||||
case 0xe2: this.AM_Immediate(); break; // *NOP (immediate)
|
||||
case 0xe3: this.ISB(this.AM_IndexedIndirectX()); break; // *ISB (indexed indirect X)
|
||||
case 0xe4: this.CMP(this.X, this.AM_ZeroPage()); break; // CPX (zero page)
|
||||
case 0xe5: this.A = this.SBC(this.A, this.AM_ZeroPage()); break; // SBC (zero page)
|
||||
case 0xe6: this.BusReadModifyWrite(this.INC(this.AM_ZeroPage())); break; // INC (zero page)
|
||||
case 0xe7: this.ISB(this.AM_ZeroPage()); break; // *ISB (zero page)
|
||||
case 0xe8: this.BusRead(); this.X = this.INC(this.X); break; // INX (implied)
|
||||
case 0xe9: this.A = this.SBC(this.A, this.AM_Immediate()); break; // SBC (immediate)
|
||||
case 0xea: this.BusRead(); break; // NOP (implied)
|
||||
case 0xeb: this.A = this.SBC(this.A, this.AM_Immediate()); break; // *SBC (immediate)
|
||||
case 0xec: this.CMP(this.X, this.AM_Absolute()); break; // CPX (absolute)
|
||||
case 0xed: this.A = this.SBC(this.A, this.AM_Absolute()); break; // SBC (absolute)
|
||||
case 0xee: this.BusReadModifyWrite(this.INC(this.AM_Absolute())); break; // *ISB (absolute)
|
||||
case 0xe0: this.CMP(this.X, this.AM_Immediate()); break; // CPX (immediate)
|
||||
case 0xe1: this.A = this.SBC(this.A, this.AM_IndexedIndirectX()); break; // SBC (indexed indirect X)
|
||||
case 0xe2: this.AM_Immediate(); break; // *NOP (immediate)
|
||||
case 0xe3: this.ISB(this.AM_IndexedIndirectX()); break; // *ISB (indexed indirect X)
|
||||
case 0xe4: this.CMP(this.X, this.AM_ZeroPage()); break; // CPX (zero page)
|
||||
case 0xe5: this.A = this.SBC(this.A, this.AM_ZeroPage()); break; // SBC (zero page)
|
||||
case 0xe6: this.BusReadModifyWrite(this.INC(this.AM_ZeroPage())); break; // INC (zero page)
|
||||
case 0xe7: this.ISB(this.AM_ZeroPage()); break; // *ISB (zero page)
|
||||
case 0xe8: this.BusRead(); this.X = this.INC(this.X); break; // INX (implied)
|
||||
case 0xe9: this.A = this.SBC(this.A, this.AM_Immediate()); break; // SBC (immediate)
|
||||
case 0xea: this.BusRead(); break; // NOP (implied)
|
||||
case 0xeb: this.A = this.SBC(this.A, this.AM_Immediate()); break; // *SBC (immediate)
|
||||
case 0xec: this.CMP(this.X, this.AM_Absolute()); break; // CPX (absolute)
|
||||
case 0xed: this.A = this.SBC(this.A, this.AM_Absolute()); break; // SBC (absolute)
|
||||
case 0xee: this.BusReadModifyWrite(this.INC(this.AM_Absolute())); break; // *ISB (absolute)
|
||||
|
||||
case 0xf0: this.Branch(this.Zero != 0); break; // BEQ (relative)
|
||||
case 0xf1: this.A = this.SBC(this.A, this.AM_IndirectIndexedY()); break; // SBC (indirect indexed Y)
|
||||
case 0xf0: this.Branch(this.Zero != 0); break; // BEQ (relative)
|
||||
case 0xf1: this.A = this.SBC(this.A, this.AM_IndirectIndexedY()); break; // SBC (indirect indexed Y)
|
||||
case 0xf2: break;
|
||||
case 0xf3: this.ISB(this.AM_IndirectIndexedY()); break; // *ISB (indirect indexed Y)
|
||||
case 0xf4: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
|
||||
case 0xf5: this.A = this.SBC(this.A, this.AM_ZeroPageX()); break; // SBC (zero page, X)
|
||||
case 0xf6: this.BusReadModifyWrite(this.INC(this.AM_ZeroPageX())); break; // INC (zero page, X)
|
||||
case 0xf7: this.ISB(this.AM_ZeroPageX()); break; // *ISB (zero page, X)
|
||||
case 0xf8: this.BusRead(); this.P = SetFlag(this.P, StatusBits.DF); break; // SED (implied)
|
||||
case 0xf9: this.A = this.SBC(this.A, this.AM_AbsoluteY()); break; // SBC (absolute, Y)
|
||||
case 0xfa: this.BusRead(); break; // *NOP (implied)
|
||||
case 0xfb: this.ISB(this.AM_AbsoluteY()); break; // *ISB (absolute, Y)
|
||||
case 0xfc: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
|
||||
case 0xfd: this.A = this.SBC(this.A, this.AM_AbsoluteX()); break; // SBC (absolute, X)
|
||||
case 0xfe: this.BusReadModifyWrite(this.INC(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // INC (absolute, X)
|
||||
case 0xff: this.ISB(this.AM_AbsoluteX()); break; // *ISB (absolute, X)
|
||||
case 0xf3: this.ISB(this.AM_IndirectIndexedY()); break; // *ISB (indirect indexed Y)
|
||||
case 0xf4: this.AM_ZeroPageX(); break; // *NOP (zero page, X)
|
||||
case 0xf5: this.A = this.SBC(this.A, this.AM_ZeroPageX()); break; // SBC (zero page, X)
|
||||
case 0xf6: this.BusReadModifyWrite(this.INC(this.AM_ZeroPageX())); break; // INC (zero page, X)
|
||||
case 0xf7: this.ISB(this.AM_ZeroPageX()); break; // *ISB (zero page, X)
|
||||
case 0xf8: this.BusRead(); this.P = SetFlag(this.P, StatusBits.DF); break; // SED (implied)
|
||||
case 0xf9: this.A = this.SBC(this.A, this.AM_AbsoluteY()); break; // SBC (absolute, Y)
|
||||
case 0xfa: this.BusRead(); break; // *NOP (implied)
|
||||
case 0xfb: this.ISB(this.AM_AbsoluteY()); break; // *ISB (absolute, Y)
|
||||
case 0xfc: this.AM_AbsoluteX(); break; // *NOP (absolute, X)
|
||||
case 0xfd: this.A = this.SBC(this.A, this.AM_AbsoluteX()); break; // SBC (absolute, X)
|
||||
case 0xfe: this.BusReadModifyWrite(this.INC(this.AM_AbsoluteX(PageCrossingBehavior.AlwaysReadTwice))); break; // INC (absolute, X)
|
||||
case 0xff: this.ISB(this.AM_AbsoluteX()); break; // *ISB (absolute, X)
|
||||
}
|
||||
|
||||
return this.Cycles;
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user