From 360372420bf1592345a0f8977924ce88102d00ec Mon Sep 17 00:00:00 2001 From: IrgendwerA8 Date: Sat, 18 Mar 2017 16:33:08 +0100 Subject: [PATCH] Added 65SC02 support for simulator. --- src/sim65/6502.c | 664 ++++++++++++++++++++++++++++++++++++++--------- 1 file changed, 547 insertions(+), 117 deletions(-) diff --git a/src/sim65/6502.c b/src/sim65/6502.c index e6f358295..b6559ee46 100644 --- a/src/sim65/6502.c +++ b/src/sim65/6502.c @@ -11,6 +11,7 @@ /* D-70794 Filderstadt */ /* EMail: uz@cc65.org */ /* */ +/* Mar-2017, Christian Krueger, added support for 65SC02 */ /* */ /* This software is provided 'as-is', without any expressed or implied */ /* warranty. In no event will the authors be held liable for any damages */ @@ -31,7 +32,14 @@ /* */ /*****************************************************************************/ - +/* Known bugs and limitations of the 65C02 simulation: + * support currently only on the level of 65SC02: + BBRx, BBSx, RMBx, SMBx, WAI and STP are unsupported + * BCD flag handling equals 6502 (unchecked if bug is simulated or wrong for + 6502) + * one cycle win for fetch-modify-write instructions ignored + (e.g. ROL abs,x takes only 6 cycles if no page break occurs) + */ #include "memory.h" #include "error.h" @@ -205,7 +213,22 @@ int PrintCycles; unsigned Addr; \ Cycles = 5; \ ZPAddr = MemReadByte (Regs.PC+1); \ - Addr = MemReadZPWord (ZPAddr) + Regs.YR; \ + Addr = MemReadZPWord (ZPAddr); \ + if (PAGE_CROSS (Addr, Regs.YR)) \ + ++Cycles; \ + Addr += Regs.YR; \ + Regs.AC = Regs.AC op MemReadByte (Addr); \ + TEST_ZF (Regs.AC); \ + TEST_SF (Regs.AC); \ + Regs.PC += 2 + +/* (zp) */ +#define AC_OP_ZPIND(op) \ + unsigned char ZPAddr; \ + unsigned Addr; \ + Cycles = 5; \ + ZPAddr = MemReadByte (Regs.PC+1); \ + Addr = MemReadZPWord (ZPAddr); \ Regs.AC = Regs.AC op MemReadByte (Addr); \ TEST_ZF (Regs.AC); \ TEST_SF (Regs.AC); \ @@ -234,6 +257,8 @@ int PrintCycles; } \ TEST_CF (Regs.AC); \ SET_OF ((res < -128) || (res > 127)); \ + if (CPU!=CPU_6502) \ + ++Cycles; \ } else { \ Regs.AC += rhs + GET_CF (); \ TEST_ZF (Regs.AC); \ @@ -313,6 +338,8 @@ int PrintCycles; TEST_SF (res); \ SET_CF (res <= 0xFF); \ SET_OF (((old^rhs) & (old^res) & 0x80)); \ + if (CPU!=CPU_6502) \ + ++Cycles; \ } else { \ Regs.AC -= rhs + (!GET_CF ()); \ TEST_ZF (Regs.AC); \ @@ -362,6 +389,21 @@ static void OPC_6502_01 (void) +static void OPC_65SC02_04 (void) +/* Opcode $04: TSB zp */ +{ + unsigned char ZPAddr; + unsigned char Val; + Cycles = 5; + ZPAddr = MemReadByte (Regs.PC+1); + Val = MemReadByte (ZPAddr); + SET_ZF ((Val & Regs.AC) == 0); + MemWriteByte (ZPAddr, (unsigned char)(Val | Regs.AC)); + Regs.PC += 2; +} + + + static void OPC_6502_05 (void) /* Opcode $05: ORA zp */ { @@ -419,6 +461,21 @@ static void OPC_6502_0A (void) +static void OPC_65SC02_0C (void) +/* Opcode $0C: TSB abs */ +{ + unsigned Addr; + unsigned char Val; + Cycles = 6; + Addr = MemReadByte (Regs.PC+1); + Val = MemReadByte (Addr); + SET_ZF ((Val & Regs.AC) == 0); + MemWriteByte (Addr, (unsigned char) (Val | Regs.AC)); + Regs.PC += 3; +} + + + static void OPC_6502_0D (void) /* Opcode $0D: ORA abs */ { @@ -460,6 +517,29 @@ static void OPC_6502_11 (void) +static void OPC_65SC02_12 (void) +/* Opcode $12: ORA (zp) */ +{ + AC_OP_ZPIND (|); +} + + + +static void OPC_65SC02_14 (void) +/* Opcode $14: TRB zp */ +{ + unsigned char ZPAddr; + unsigned char Val; + Cycles = 5; + ZPAddr = MemReadByte (Regs.PC+1); + Val = MemReadByte (ZPAddr); + SET_ZF ((Val & Regs.AC) == 0); + MemWriteByte (ZPAddr, (unsigned char)(Val & ~Regs.AC)); + Regs.PC += 2; +} + + + static void OPC_6502_15 (void) /* Opcode $15: ORA zp,x */ { @@ -503,6 +583,33 @@ static void OPC_6502_19 (void) +static void OPC_65SC02_1A (void) +/* Opcode $1A: INC a */ +{ + Cycles = 2; + Regs.AC = (Regs.AC + 1) & 0xFF; + TEST_ZF (Regs.AC); + TEST_SF (Regs.AC); + Regs.PC += 1; +} + + + +static void OPC_65SC02_1C (void) +/* Opcode $1C: TRB abs */ +{ + unsigned Addr; + unsigned char Val; + Cycles = 6; + Addr = MemReadByte (Regs.PC+1); + Val = MemReadByte (Addr); + SET_ZF ((Val & Regs.AC) == 0); + MemWriteByte (Addr, (unsigned char) (Val & ~Regs.AC)); + Regs.PC += 3; +} + + + static void OPC_6502_1D (void) /* Opcode $1D: ORA abs,x */ { @@ -675,6 +782,30 @@ static void OPC_6502_31 (void) +static void OPC_65SC02_32 (void) +/* Opcode $32: AND (zp) */ +{ + AC_OP_ZPIND (&); +} + + + +static void OPC_65SC02_34 (void) +/* Opcode $34: BIT zp,x */ +{ + unsigned char ZPAddr; + unsigned char Val; + Cycles = 4; + ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR; + Val = MemReadByte (ZPAddr); + SET_SF (Val & 0x80); + SET_OF (Val & 0x40); + SET_ZF ((Val & Regs.AC) == 0); + Regs.PC += 2; +} + + + static void OPC_6502_35 (void) /* Opcode $35: AND zp,x */ { @@ -716,6 +847,36 @@ static void OPC_6502_39 (void) +static void OPC_65SC02_3A (void) +/* Opcode $3A: DEC a */ +{ + Cycles = 2; + Regs.AC = (Regs.AC - 1) & 0xFF; + TEST_ZF (Regs.AC); + TEST_SF (Regs.AC); + Regs.PC += 1; +} + + + +static void OPC_65SC02_3C (void) +/* Opcode $3C: BIT abs,x */ +{ + unsigned Addr; + unsigned char Val; + Cycles = 4; + Addr = MemReadByte (Regs.PC+1) + if (PAGE_CROSS (Addr, Regs.XR)) + ++Cycles; + Val = MemReadByte (Addr + Regs.XR;); + SET_SF (Val & 0x80); + SET_OF (Val & 0x40); + SET_ZF ((Val & Regs.AC) == 0); + Regs.PC += 3; +} + + + static void OPC_6502_3D (void) /* Opcode $3D: AND abs,x */ { @@ -758,6 +919,15 @@ static void OPC_6502_41 (void) +static void OPC_65C02_44 (void) +/* Opcode $44: 'zp' 3 cycle NOP */ +{ + Cycles = 3; + Regs.PC += 2; +} + + + static void OPC_6502_45 (void) /* Opcode $45: EOR zp */ { @@ -868,6 +1038,14 @@ static void OPC_6502_51 (void) +static void OPC_65SC02_52 (void) +/* Opcode $52: EOR (zp) */ +{ + AC_OP_ZPIND (^); +} + + + static void OPC_6502_55 (void) /* Opcode $55: EOR zp,x */ { @@ -912,6 +1090,25 @@ static void OPC_6502_59 (void) +static void OPC_65SC02_5A (void) +/* Opcode $5A: PHY */ +{ + Cycles = 3; + PUSH (Regs.YR); + Regs.PC += 1; +} + + + +static void OPC_65C02_5C (void) +/* Opcode $5C: 'Absolute' 8 cycle NOP */ +{ + Cycles = 8; + Regs.PC += 3; +} + + + static void OPC_6502_5D (void) /* Opcode $5D: EOR abs,x */ { @@ -963,6 +1160,18 @@ static void OPC_6502_61 (void) +static void OPC_65SC02_64 (void) +/* Opcode $64: STZ zp */ +{ + unsigned char ZPAddr; + Cycles = 3; + ZPAddr = MemReadByte (Regs.PC+1); + MemWriteByte (ZPAddr, 0); + Regs.PC += 2; +} + + + static void OPC_6502_65 (void) /* Opcode $65: ADC zp */ { @@ -1026,19 +1235,28 @@ static void OPC_6502_6C (void) /* Opcode $6C: JMP (ind) */ { unsigned PC, Lo, Hi; - Cycles = 5; PC = Regs.PC; Lo = MemReadWord (PC+1); - /* Emulate the 6502 bug */ - Regs.PC = MemReadByte (Lo); - Hi = (Lo & 0xFF00) | ((Lo + 1) & 0xFF); - Regs.PC |= (MemReadByte (Hi) << 8); - - /* Output a warning if the bug is triggered */ - if (Hi != Lo + 1) { - Warning ("6502 indirect jump bug triggered at $%04X, ind addr = $%04X", - PC, Lo); + if (CPU==CPU_6502) + { + /* Emulate the 6502 bug */ + Cycles = 5; + Regs.PC = MemReadByte (Lo); + Hi = (Lo & 0xFF00) | ((Lo + 1) & 0xFF); + Regs.PC |= (MemReadByte (Hi) << 8); + + /* Output a warning if the bug is triggered */ + if (Hi != Lo + 1) + { + Warning ("6502 indirect jump bug triggered at $%04X, ind addr = $%04X", + PC, Lo); + } + } + else + { + Cycles = 6; + Regs.PC = MemReadWord(Lo); } } @@ -1106,6 +1324,32 @@ static void OPC_6502_71 (void) +static void OPC_65SC02_72 (void) +/* Opcode $72: ADC (zp) */ +{ + unsigned char ZPAddr; + unsigned Addr; + Cycles = 5; + ZPAddr = MemReadByte (Regs.PC+1); + Addr = MemReadZPWord (ZPAddr); + ADC (MemReadByte (Addr)); + Regs.PC += 2; +} + + + +static void OPC_65SC02_74 (void) +/* Opcode $74: STZ zp,x */ +{ + unsigned char ZPAddr; + Cycles = 4; + ZPAddr = MemReadByte (Regs.PC+1) + Regs.XR; + MemWriteByte (ZPAddr, 0); + Regs.PC += 2; +} + + + static void OPC_6502_75 (void) /* Opcode $75: ADC zp,x */ { @@ -1158,6 +1402,30 @@ static void OPC_6502_79 (void) +static void OPC_65SC02_7A (void) +/* Opcode $7A: PLY */ +{ + Cycles = 4; + Regs.YR = POP (); + TEST_ZF (Regs.YR); + TEST_SF (Regs.YR); + Regs.PC += 1; +} + + + +static void OPC_65SC02_7C (void) +/* Opcode $7C: JMP (ind,X) */ +{ + unsigned PC, Adr; + Cycles = 6; + PC = Regs.PC; + Adr = MemReadWord (PC+1); + Regs.PC = MemReadWord(Adr+Regs.XR); +} + + + static void OPC_6502_7D (void) /* Opcode $7D: ADC abs,x */ { @@ -1188,6 +1456,14 @@ static void OPC_6502_7E (void) +static void OPC_65SC02_80 (void) +/* Opcode $80: BRA */ +{ + BRANCH (1); +} + + + static void OPC_6502_81 (void) /* Opcode $81: STA (zp,x) */ { @@ -1250,6 +1526,20 @@ static void OPC_6502_88 (void) +static void OPC_65SC02_89 (void) +/* Opcode $89: BIT #imm */ +{ + unsigned char Val; + Cycles = 2; + Val = MemReadByte (Regs.PC+1); + SET_SF (Val & 0x80); + SET_OF (Val & 0x40); + SET_ZF ((Val & Regs.AC) == 0); + Regs.PC += 2; +} + + + static void OPC_6502_8A (void) /* Opcode $8A: TXA */ { @@ -1320,6 +1610,20 @@ static void OPC_6502_91 (void) +static void OPC_65SC02_92 (void) +/* Opcode $92: sta (zp) */ +{ + unsigned char ZPAddr; + unsigned Addr; + Cycles = 5; + ZPAddr = MemReadByte (Regs.PC+1); + Addr = MemReadZPWord (ZPAddr); + MemWriteByte (Addr, Regs.AC); + Regs.PC += 2; +} + + + static void OPC_6502_94 (void) /* Opcode $94: STY zp,x */ { @@ -1390,6 +1694,18 @@ static void OPC_6502_9A (void) +static void OPC_65SC02_9C (void) +/* Opcode $9C: STZ abs */ +{ + unsigned Addr; + Cycles = 4; + Addr = MemReadWord (Regs.PC+1); + MemWriteByte (Addr, 0); + Regs.PC += 3; +} + + + static void OPC_6502_9D (void) /* Opcode $9D: STA abs,x */ { @@ -1402,6 +1718,18 @@ static void OPC_6502_9D (void) +static void OPC_65SC02_9E (void) +/* Opcode $9E: STZ abs,x */ +{ + unsigned Addr; + Cycles = 5; + Addr = MemReadWord (Regs.PC+1) + Regs.XR; + MemWriteByte (Addr, 0); + Regs.PC += 3; +} + + + static void OPC_6502_A0 (void) /* Opcode $A0: LDY #imm */ { @@ -1589,6 +1917,22 @@ static void OPC_6502_B1 (void) +static void OPC_65SC02_B2 (void) +/* Opcode $B2: LDA (zp) */ +{ + unsigned char ZPAddr; + unsigned Addr; + Cycles = 5; + ZPAddr = MemReadByte (Regs.PC+1); + Addr = MemReadZPWord (ZPAddr); + Regs.AC = MemReadByte (Addr); + TEST_ZF (Regs.AC); + TEST_SF (Regs.AC); + Regs.PC += 2; +} + + + static void OPC_6502_B4 (void) /* Opcode $B4: LDY zp,x */ { @@ -1884,6 +2228,20 @@ static void OPC_6502_D1 (void) +static void OPC_65SC02_D2 (void) +/* Opcode $D2: CMP (zp) */ +{ + unsigned ZPAddr; + unsigned Addr; + Cycles = 5; + ZPAddr = MemReadByte (Regs.PC+1); + Addr = MemReadWord (ZPAddr); + CMP (Regs.AC, MemReadByte (Addr)); + Regs.PC += 2; +} + + + static void OPC_6502_D5 (void) /* Opcode $D5: CMP zp,x */ { @@ -1937,6 +2295,16 @@ static void OPC_6502_D9 (void) +static void OPC_65SC02_DA (void) +/* Opcode $DA: PHX */ +{ + Cycles = 3; + PUSH (Regs.XR); + Regs.PC += 1; +} + + + static void OPC_6502_DD (void) /* Opcode $DD: CMP abs,x */ { @@ -2064,6 +2432,42 @@ static void OPC_6502_EA (void) +static void OPC_65C02_NOP11(void) +/* Opcode 'Illegal' 1 cycle NOP */ +{ + Cycles = 1; + Regs.PC += 1; +} + + + +static void OPC_65C02_NOP22 (void) +/* Opcode 'Illegal' 2 byte 2 cycle NOP */ +{ + Cycles = 2; + Regs.PC += 2; +} + + + +static void OPC_65C02_NOP24 (void) +/* Opcode 'Illegal' 2 byte 4 cycle NOP */ +{ + Cycles = 4; + Regs.PC += 2; +} + + + +static void OPC_65C02_NOP34 (void) +/* Opcode 'Illegal' 3 byte 4 cycle NOP */ +{ + Cycles = 4; + Regs.PC += 3; +} + + + static void OPC_6502_EC (void) /* Opcode $EC: CPX abs */ { @@ -2129,6 +2533,20 @@ static void OPC_6502_F1 (void) +static void OPC_65SC02_F2 (void) +/* Opcode $F2: SBC (zp) */ +{ + unsigned char ZPAddr; + unsigned Addr; + Cycles = 5; + ZPAddr = MemReadByte (Regs.PC+1); + Addr = MemReadZPWord (ZPAddr); + SBC (MemReadByte (Addr)); + Regs.PC += 2; +} + + + static void OPC_6502_F5 (void) /* Opcode $F5: SBC zp,x */ { @@ -2180,6 +2598,18 @@ static void OPC_6502_F9 (void) +static void OPC_65SC02_FA (void) +/* Opcode $7A: PLX */ +{ + Cycles = 4; + Regs.XR = POP (); + TEST_ZF (Regs.XR); + TEST_SF (Regs.XR); + Regs.PC += 1; +} + + + static void OPC_6502_FD (void) /* Opcode $FD: SBC abs,x */ { @@ -2483,260 +2913,260 @@ static const OPFunc OP6502Table[256] = { static const OPFunc OP65C02Table[256] = { OPC_6502_00, OPC_6502_01, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65C02_NOP22, // $02 + OPC_65C02_NOP11, // $03 + OPC_65SC02_04, OPC_6502_05, OPC_6502_06, - OPC_Illegal, + OPC_Illegal, // $07: RMB0 currently unsupported OPC_6502_08, OPC_6502_09, OPC_6502_0A, - OPC_Illegal, - OPC_Illegal, + OPC_65C02_NOP11, // $0B + OPC_65SC02_0C, OPC_6502_0D, OPC_6502_0E, - OPC_Illegal, + OPC_Illegal, // $0F: BBR0 currently unsupported OPC_6502_10, OPC_6502_11, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_12, + OPC_65C02_NOP11, // $13 + OPC_65SC02_14, OPC_6502_15, OPC_6502_16, - OPC_Illegal, + OPC_Illegal, // $17: RMB1 currently unsupported OPC_6502_18, OPC_6502_19, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_1A, + OPC_65C02_NOP11, // $1B + OPC_65SC02_1C, OPC_6502_1D, OPC_6502_1E, - OPC_Illegal, + OPC_Illegal, // $1F: BBR1 currently unsupported OPC_6502_20, OPC_6502_21, - OPC_Illegal, - OPC_Illegal, + OPC_65C02_NOP22, // $22 + OPC_65C02_NOP11, // $23 OPC_6502_24, OPC_6502_25, OPC_6502_26, - OPC_Illegal, + OPC_Illegal, // $27: RMB2 currently unsupported OPC_6502_28, OPC_6502_29, OPC_6502_2A, - OPC_Illegal, + OPC_65C02_NOP11, // $2B OPC_6502_2C, OPC_6502_2D, OPC_6502_2E, - OPC_Illegal, + OPC_Illegal, // $2F: BBR2 currently unsupported OPC_6502_30, OPC_6502_31, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_32, + OPC_65C02_NOP11, // $33 + OPC_65SC02_34, OPC_6502_35, OPC_6502_36, - OPC_Illegal, + OPC_Illegal, // $37: RMB3 currently unsupported OPC_6502_38, OPC_6502_39, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_3A, + OPC_65C02_NOP11, // $3B + OPC_65SC02_3C, OPC_6502_3D, OPC_6502_3E, - OPC_Illegal, + OPC_Illegal, // $3F: BBR3 currently unsupported OPC_6502_40, OPC_6502_41, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65C02_NOP22, // $42 + OPC_65C02_NOP11, // $43 + OPC_65C02_44, // $44 OPC_6502_45, OPC_6502_46, - OPC_Illegal, + OPC_Illegal, // $47: RMB4 currently unsupported OPC_6502_48, OPC_6502_49, OPC_6502_4A, - OPC_Illegal, + OPC_65C02_NOP11, // $4B OPC_6502_4C, OPC_6502_4D, OPC_6502_4E, - OPC_Illegal, + OPC_Illegal, // $4F: BBR4 currently unsupported OPC_6502_50, OPC_6502_51, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_52, + OPC_65C02_NOP11, // $53 + OPC_65C02_NOP24, // $54 OPC_6502_55, OPC_6502_56, - OPC_Illegal, + OPC_Illegal, // $57: RMB5 currently unsupported OPC_6502_58, OPC_6502_59, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_5A, + OPC_65C02_NOP11, // $5B + OPC_65C02_5C, OPC_6502_5D, OPC_6502_5E, - OPC_Illegal, + OPC_Illegal, // $5F: BBR5 currently unsupported OPC_6502_60, OPC_6502_61, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65C02_NOP22, // $62 + OPC_65C02_NOP11, // $63 + OPC_65SC02_64, OPC_6502_65, OPC_6502_66, - OPC_Illegal, + OPC_Illegal, // $67: RMB6 currently unsupported OPC_6502_68, OPC_6502_69, OPC_6502_6A, - OPC_Illegal, + OPC_65C02_NOP11, // $6B OPC_65C02_6C, OPC_6502_6D, OPC_6502_6E, - OPC_Illegal, + OPC_Illegal, // $6F: BBR6 currently unsupported OPC_6502_70, OPC_6502_71, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_72, + OPC_65C02_NOP11, // $73 + OPC_65SC02_74, OPC_6502_75, OPC_6502_76, - OPC_Illegal, + OPC_Illegal, // $77: RMB7 currently unsupported OPC_6502_78, OPC_6502_79, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_7A, + OPC_65C02_NOP11, // $7B + OPC_65SC02_7C, OPC_6502_7D, OPC_6502_7E, - OPC_Illegal, - OPC_Illegal, + OPC_Illegal, // $7F: BBR7 currently unsupported + OPC_65SC02_80, OPC_6502_81, - OPC_Illegal, - OPC_Illegal, + OPC_65C02_NOP22, // $82 + OPC_65C02_NOP11, // $83 OPC_6502_84, OPC_6502_85, OPC_6502_86, - OPC_Illegal, + OPC_Illegal, // $87: SMB0 currently unsupported OPC_6502_88, - OPC_Illegal, + OPC_65SC02_89, OPC_6502_8A, - OPC_Illegal, + OPC_65C02_NOP11, // $8B OPC_6502_8C, OPC_6502_8D, OPC_6502_8E, - OPC_Illegal, + OPC_Illegal, // $8F: BBS0 currently unsupported OPC_6502_90, OPC_6502_91, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_92, + OPC_65C02_NOP11, // $93 OPC_6502_94, OPC_6502_95, OPC_6502_96, - OPC_Illegal, + OPC_Illegal, // $97: SMB1 currently unsupported OPC_6502_98, OPC_6502_99, OPC_6502_9A, - OPC_Illegal, - OPC_Illegal, + OPC_65C02_NOP11, // $9B + OPC_65SC02_9C, OPC_6502_9D, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_9E, + OPC_Illegal, // $9F: BBS1 currently unsupported OPC_6502_A0, OPC_6502_A1, OPC_6502_A2, - OPC_Illegal, + OPC_65C02_NOP11, // $A3 OPC_6502_A4, OPC_6502_A5, OPC_6502_A6, - OPC_Illegal, + OPC_Illegal, // $A7: SMB2 currently unsupported OPC_6502_A8, OPC_6502_A9, OPC_6502_AA, - OPC_Illegal, + OPC_65C02_NOP11, // $AB OPC_6502_AC, OPC_6502_AD, OPC_6502_AE, - OPC_Illegal, + OPC_Illegal, // $AF: BBS2 currently unsupported OPC_6502_B0, OPC_6502_B1, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_B2, + OPC_65C02_NOP11, // $B3 OPC_6502_B4, OPC_6502_B5, OPC_6502_B6, - OPC_Illegal, + OPC_Illegal, // $B7: SMB3 currently unsupported OPC_6502_B8, OPC_6502_B9, OPC_6502_BA, - OPC_Illegal, + OPC_65C02_NOP11, // $BB OPC_6502_BC, OPC_6502_BD, OPC_6502_BE, - OPC_Illegal, + OPC_Illegal, // $BF: BBS3 currently unsupported OPC_6502_C0, OPC_6502_C1, - OPC_Illegal, - OPC_Illegal, + OPC_65C02_NOP22, // $C2 + OPC_65C02_NOP11, // $C3 OPC_6502_C4, OPC_6502_C5, OPC_6502_C6, - OPC_Illegal, + OPC_Illegal, // $C7: SMB4 currently unsupported OPC_6502_C8, OPC_6502_C9, OPC_6502_CA, - OPC_Illegal, + OPC_Illegal, // $CB: WAI currently unsupported OPC_6502_CC, OPC_6502_CD, OPC_6502_CE, - OPC_Illegal, + OPC_Illegal, // $CF: BBS4 currently unsupported OPC_6502_D0, OPC_6502_D1, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_D2, + OPC_65C02_NOP11, // $D3 + OPC_65C02_NOP24, // $D4 OPC_6502_D5, OPC_6502_D6, - OPC_Illegal, + OPC_Illegal, // $D7: SMB5 currently unsupported OPC_6502_D8, OPC_6502_D9, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_DA, + OPC_Illegal, // $DB: STP currently unsupported + OPC_65C02_NOP34, // $DC OPC_6502_DD, OPC_6502_DE, - OPC_Illegal, + OPC_Illegal, // $DF: BBS5 currently unsupported OPC_6502_E0, OPC_6502_E1, - OPC_Illegal, - OPC_Illegal, + OPC_65C02_NOP22, // $E2 + OPC_65C02_NOP11, // $E3 OPC_6502_E4, OPC_6502_E5, OPC_6502_E6, - OPC_Illegal, + OPC_Illegal, // $E7: SMB6 currently unsupported OPC_6502_E8, OPC_6502_E9, OPC_6502_EA, - OPC_Illegal, + OPC_65C02_NOP11, // $EB OPC_6502_EC, OPC_6502_ED, OPC_6502_EE, - OPC_Illegal, + OPC_Illegal, // $EF: BBS6 currently unsupported OPC_6502_F0, OPC_6502_F1, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_F2, + OPC_65C02_NOP11, // $F3 + OPC_65C02_NOP24, // $F4 OPC_6502_F5, OPC_6502_F6, - OPC_Illegal, + OPC_Illegal, // $F7: SMB7 currently unsupported OPC_6502_F8, OPC_6502_F9, - OPC_Illegal, - OPC_Illegal, - OPC_Illegal, + OPC_65SC02_FA, + OPC_65C02_NOP11, // $FB + OPC_65C02_NOP34, // $FC OPC_6502_FD, OPC_6502_FE, - OPC_Illegal, + OPC_Illegal, // $FF: BBS7 currently unsupported }; -- 2.39.5