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BizHawk/BizHawk.Emulation/CPUs/Z80/Disassembler.cs

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PAL support for SMS
2011-01-13 06:10:50 +00:00
namespace BizHawk.Emulation.CPUs.Z80
2011-01-11 02:55:51 +00:00
{
public partial class Z80A
{
#region Mnemonics
private static readonly string[] Opcodes = new[]
{
"NOP","LD BC,#h","LD (BC),A","INC BC","INC B","DEC B","LD B,*h","RLCA",
"EX AF,AF'","ADD HL,BC","LD A,(BC)","DEC BC","INC C","DEC C","LD C,*h","RRCA",
"DJNZ @h","LD DE,#h","LD (DE),A","INC DE","INC D","DEC D","LD D,*h","RLA",
"JR @h","ADD HL,DE","LD A,(DE)","DEC DE","INC E","DEC E","LD E,*h","RRA",
"JR NZ,@h","LD HL,#h","LD (#h),HL","INC HL","INC H","DEC H","LD H,*h","DAA",
"JR Z,@h","ADD HL,HL","LD HL,(#h)","DEC HL","INC L","DEC L","LD L,*h","CPL",
"JR NC,@h","LD SP,#h","LD (#h),A","INC SP","INC (HL)","DEC (HL)","LD (HL),*h","SCF",
"JR C,@h","ADD HL,SP","LD A,(#h)","DEC SP","INC A","DEC A","LD A,*h","CCF",
"LD B,B","LD B,C","LD B,D","LD B,E","LD B,H","LD B,L","LD B,(HL)","LD B,A",
"LD C,B","LD C,C","LD C,D","LD C,E","LD C,H","LD C,L","LD C,(HL)","LD C,A",
"LD D,B","LD D,C","LD D,D","LD D,E","LD D,H","LD D,L","LD D,(HL)","LD D,A",
"LD E,B","LD E,C","LD E,D","LD E,E","LD E,H","LD E,L","LD E,(HL)","LD E,A",
"LD H,B","LD H,C","LD H,D","LD H,E","LD H,H","LD H,L","LD H,(HL)","LD H,A",
"LD L,B","LD L,C","LD L,D","LD L,E","LD L,H","LD L,L","LD L,(HL)","LD L,A",
"LD (HL),B","LD (HL),C","LD (HL),D","LD (HL),E","LD (HL),H","LD (HL),L","HALT","LD (HL),A",
"LD A,B","LD A,C","LD A,D","LD A,E","LD A,H","LD A,L","LD A,(HL)","LD A,A",
"ADD B","ADD C","ADD D","ADD E","ADD H","ADD L","ADD (HL)","ADD A",
"ADC B","ADC C","ADC D","ADC E","ADC H","ADC L","ADC (HL)","ADC A",
"SUB B","SUB C","SUB D","SUB E","SUB H","SUB L","SUB (HL)","SUB A",
"SBC B","SBC C","SBC D","SBC E","SBC H","SBC L","SBC (HL)","SBC A",
"AND B","AND C","AND D","AND E","AND H","AND L","AND (HL)","AND A",
"XOR B","XOR C","XOR D","XOR E","XOR H","XOR L","XOR (HL)","XOR A",
"OR B","OR C","OR D","OR E","OR H","OR L","OR (HL)","OR A",
"CP B","CP C","CP D","CP E","CP H","CP L","CP (HL)","CP A",
"RET NZ","POP BC","JP NZ,#h","JP #h","CALL NZ,#h","PUSH BC","ADD *h","RST 00h",
"RET Z","RET","JP Z,#h","PFX_CB","CALL Z,#h","CALL #h","ADC *h","RST 08h",
"RET NC","POP DE","JP NC,#h","OUTA (*h)","CALL NC,#h","PUSH DE","SUB *h","RST 10h",
"RET C","EXX","JP C,#h","INA (*h)","CALL C,#h","PFX_DD","SBC *h","RST 18h",
"RET PO","POP HL","JP PO,#h","EX HL,(SP)","CALL PO,#h","PUSH HL","AND *h","RST 20h",
"RET PE","LD PC,HL","JP PE,#h","EX DE,HL","CALL PE,#h","PFX_ED","XOR *h","RST 28h",
"RET P","POP AF","JP P,#h","DI","CALL P,#h","PUSH AF","OR *h","RST 30h",
"RET M","LD SP,HL","JP M,#h","EI","CALL M,#h","PFX_FD","CP *h","RST 38h"
};
private static readonly string[] CBPrefixOpcodes = new[]
{
"RLC B","RLC C","RLC D","RLC E","RLC H","RLC L","RLC (HL)","RLC A",
"RRC B","RRC C","RRC D","RRC E","RRC H","RRC L","RRC (HL)","RRC A",
"RL B","RL C","RL D","RL E","RL H","RL L","RL (HL)","RL A",
"RR B","RR C","RR D","RR E","RR H","RR L","RR (HL)","RR A",
"SLA B","SLA C","SLA D","SLA E","SLA H","SLA L","SLA (HL)","SLA A",
"SRA B","SRA C","SRA D","SRA E","SRA H","SRA L","SRA (HL)","SRA A",
"SLL B","SLL C","SLL D","SLL E","SLL H","SLL L","SLL (HL)","SLL A",
"SRL B","SRL C","SRL D","SRL E","SRL H","SRL L","SRL (HL)","SRL A",
"BIT 0,B","BIT 0,C","BIT 0,D","BIT 0,E","BIT 0,H","BIT 0,L","BIT 0,(HL)","BIT 0,A",
"BIT 1,B","BIT 1,C","BIT 1,D","BIT 1,E","BIT 1,H","BIT 1,L","BIT 1,(HL)","BIT 1,A",
"BIT 2,B","BIT 2,C","BIT 2,D","BIT 2,E","BIT 2,H","BIT 2,L","BIT 2,(HL)","BIT 2,A",
"BIT 3,B","BIT 3,C","BIT 3,D","BIT 3,E","BIT 3,H","BIT 3,L","BIT 3,(HL)","BIT 3,A",
"BIT 4,B","BIT 4,C","BIT 4,D","BIT 4,E","BIT 4,H","BIT 4,L","BIT 4,(HL)","BIT 4,A",
"BIT 5,B","BIT 5,C","BIT 5,D","BIT 5,E","BIT 5,H","BIT 5,L","BIT 5,(HL)","BIT 5,A",
"BIT 6,B","BIT 6,C","BIT 6,D","BIT 6,E","BIT 6,H","BIT 6,L","BIT 6,(HL)","BIT 6,A",
"BIT 7,B","BIT 7,C","BIT 7,D","BIT 7,E","BIT 7,H","BIT 7,L","BIT 7,(HL)","BIT 7,A",
"RES 0,B","RES 0,C","RES 0,D","RES 0,E","RES 0,H","RES 0,L","RES 0,(HL)","RES 0,A",
"RES 1,B","RES 1,C","RES 1,D","RES 1,E","RES 1,H","RES 1,L","RES 1,(HL)","RES 1,A",
"RES 2,B","RES 2,C","RES 2,D","RES 2,E","RES 2,H","RES 2,L","RES 2,(HL)","RES 2,A",
"RES 3,B","RES 3,C","RES 3,D","RES 3,E","RES 3,H","RES 3,L","RES 3,(HL)","RES 3,A",
"RES 4,B","RES 4,C","RES 4,D","RES 4,E","RES 4,H","RES 4,L","RES 4,(HL)","RES 4,A",
"RES 5,B","RES 5,C","RES 5,D","RES 5,E","RES 5,H","RES 5,L","RES 5,(HL)","RES 5,A",
"RES 6,B","RES 6,C","RES 6,D","RES 6,E","RES 6,H","RES 6,L","RES 6,(HL)","RES 6,A",
"RES 7,B","RES 7,C","RES 7,D","RES 7,E","RES 7,H","RES 7,L","RES 7,(HL)","RES 7,A",
"SET 0,B","SET 0,C","SET 0,D","SET 0,E","SET 0,H","SET 0,L","SET 0,(HL)","SET 0,A",
"SET 1,B","SET 1,C","SET 1,D","SET 1,E","SET 1,H","SET 1,L","SET 1,(HL)","SET 1,A",
"SET 2,B","SET 2,C","SET 2,D","SET 2,E","SET 2,H","SET 2,L","SET 2,(HL)","SET 2,A",
"SET 3,B","SET 3,C","SET 3,D","SET 3,E","SET 3,H","SET 3,L","SET 3,(HL)","SET 3,A",
"SET 4,B","SET 4,C","SET 4,D","SET 4,E","SET 4,H","SET 4,L","SET 4,(HL)","SET 4,A",
"SET 5,B","SET 5,C","SET 5,D","SET 5,E","SET 5,H","SET 5,L","SET 5,(HL)","SET 5,A",
"SET 6,B","SET 6,C","SET 6,D","SET 6,E","SET 6,H","SET 6,L","SET 6,(HL)","SET 6,A",
"SET 7,B","SET 7,C","SET 7,D","SET 7,E","SET 7,H","SET 7,L","SET 7,(HL)","SET 7,A"
};
private static readonly string[] EDPrefixOpcodes = new[]
{
"DB EDh,00h","DB EDh,01h","DB EDh,02h","DB EDh,03h",
"DB EDh,04h","DB EDh,05h","DB EDh,06h","DB EDh,07h",
"DB EDh,08h","DB EDh,09h","DB EDh,0Ah","DB EDh,0Bh",
"DB EDh,0Ch","DB EDh,0Dh","DB EDh,0Eh","DB EDh,0Fh",
"DB EDh,10h","DB EDh,11h","DB EDh,12h","DB EDh,13h",
"DB EDh,14h","DB EDh,15h","DB EDh,16h","DB EDh,17h",
"DB EDh,18h","DB EDh,19h","DB EDh,1Ah","DB EDh,1Bh",
"DB EDh,1Ch","DB EDh,1Dh","DB EDh,1Eh","DB EDh,1Fh",
"DB EDh,20h","DB EDh,21h","DB EDh,22h","DB EDh,23h",
"DB EDh,24h","DB EDh,25h","DB EDh,26h","DB EDh,27h",
"DB EDh,28h","DB EDh,29h","DB EDh,2Ah","DB EDh,2Bh",
"DB EDh,2Ch","DB EDh,2Dh","DB EDh,2Eh","DB EDh,2Fh",
"DB EDh,30h","DB EDh,31h","DB EDh,32h","DB EDh,33h",
"DB EDh,34h","DB EDh,35h","DB EDh,36h","DB EDh,37h",
"DB EDh,38h","DB EDh,39h","DB EDh,3Ah","DB EDh,3Bh",
"DB EDh,3Ch","DB EDh,3Dh","DB EDh,3Eh","DB EDh,3Fh",
"IN B,(C)","OUT (C),B","SBC HL,BC","LD (#h),BC",
"NEG","RETN","IM 0","LD I,A",
"IN C,(C)","OUT (C),C","ADC HL,BC","LD BC,(#h)",
"DB EDh,4Ch","RETI","DB EDh,4Eh","LD R,A",
"IN D,(C)","OUT (C),D","SBC HL,DE","LD (#h),DE",
"DB EDh,54h","DB EDh,55h","IM 1","LD A,I",
"IN E,(C)","OUT (C),E","ADC HL,DE","LD DE,(#h)",
"DB EDh,5Ch","DB EDh,5Dh","IM 2","LD A,R",
"IN H,(C)","OUT (C),H","SBC HL,HL","LD (#h),HL",
"DB EDh,64h","DB EDh,65h","DB EDh,66h","RRD",
"IN L,(C)","OUT (C),L","ADC HL,HL","LD HL,(#h)",
"DB EDh,6Ch","DB EDh,6Dh","DB EDh,6Eh","RLD",
"IN F,(C)","DB EDh,71h","SBC HL,SP","LD (#h),SP",
"DB EDh,74h","DB EDh,75h","DB EDh,76h","DB EDh,77h",
"IN A,(C)","OUT (C),A","ADC HL,SP","LD SP,(#h)",
"DB EDh,7Ch","DB EDh,7Dh","DB EDh,7Eh","DB EDh,7Fh",
"DB EDh,80h","DB EDh,81h","DB EDh,82h","DB EDh,83h",
"DB EDh,84h","DB EDh,85h","DB EDh,86h","DB EDh,87h",
"DB EDh,88h","DB EDh,89h","DB EDh,8Ah","DB EDh,8Bh",
"DB EDh,8Ch","DB EDh,8Dh","DB EDh,8Eh","DB EDh,8Fh",
"DB EDh,90h","DB EDh,91h","DB EDh,92h","DB EDh,93h",
"DB EDh,94h","DB EDh,95h","DB EDh,96h","DB EDh,97h",
"DB EDh,98h","DB EDh,99h","DB EDh,9Ah","DB EDh,9Bh",
"DB EDh,9Ch","DB EDh,9Dh","DB EDh,9Eh","DB EDh,9Fh",
"LDI","CPI","INI","OUTI",
"DB EDh,A4h","DB EDh,A5h","DB EDh,A6h","DB EDh,A7h",
"LDD","CPD","IND","OUTD",
"DB EDh,ACh","DB EDh,ADh","DB EDh,AEh","DB EDh,AFh",
"LDIR","CPIR","INIR","OTIR",
"DB EDh,B4h","DB EDh,B5h","DB EDh,B6h","DB EDh,B7h",
"LDDR","CPDR","INDR","OTDR",
"DB EDh,BCh","DB EDh,BDh","DB EDh,BEh","DB EDh,BFh",
"DB EDh,C0h","DB EDh,C1h","DB EDh,C2h","DB EDh,C3h",
"DB EDh,C4h","DB EDh,C5h","DB EDh,C6h","DB EDh,C7h",
"DB EDh,C8h","DB EDh,C9h","DB EDh,CAh","DB EDh,CBh",
"DB EDh,CCh","DB EDh,CDh","DB EDh,CEh","DB EDh,CFh",
"DB EDh,D0h","DB EDh,D1h","DB EDh,D2h","DB EDh,D3h",
"DB EDh,D4h","DB EDh,D5h","DB EDh,D6h","DB EDh,D7h",
"DB EDh,D8h","DB EDh,D9h","DB EDh,DAh","DB EDh,DBh",
"DB EDh,DCh","DB EDh,DDh","DB EDh,DEh","DB EDh,DFh",
"DB EDh,E0h","DB EDh,E1h","DB EDh,E2h","DB EDh,E3h",
"DB EDh,E4h","DB EDh,E5h","DB EDh,E6h","DB EDh,E7h",
"DB EDh,E8h","DB EDh,E9h","DB EDh,EAh","DB EDh,EBh",
"DB EDh,ECh","DB EDh,EDh","DB EDh,EEh","DB EDh,EFh",
"DB EDh,F0h","DB EDh,F1h","DB EDh,F2h","DB EDh,F3h",
"DB EDh,F4h","DB EDh,F5h","DB EDh,F6h","DB EDh,F7h",
"DB EDh,F8h","DB EDh,F9h","DB EDh,FAh","DB EDh,FBh",
"DB EDh,FCh","DB EDh,FDh","DB EDh,FEh","DB EDh,FFh"
};
private static readonly string[] DDPrefixOpcodes = new[]
{
"NOP","LD BC,#h","LD (BC),A","INC BC","INC B","DEC B","LD B,*h","RLCA",
"EX AF,AF'","ADD I%,BC","LD A,(BC)","DEC BC","INC C","DEC C","LD C,*h","RRCA",
"DJNZ @h","LD DE,#h","LD (DE),A","INC DE","INC D","DEC D","LD D,*h","RLA",
"JR @h","ADD I%,DE","LD A,(DE)","DEC DE","INC E","DEC E","LD E,*h","RRA",
"JR NZ,@h","LD I%,#h","LD (#h),I%","INC I%","INC I%h","DEC I%h","LD I%h,*h","DAA",
"JR Z,@h","ADD I%,I%","LD I%,(#h)","DEC I%","INC I%l","DEC I%l","LD I%l,*h","CPL",
"JR NC,@h","LD SP,#h","LD (#h),A","INC SP","INC (I%+^h)","DEC (I%+^h)","LD (I%+^h),*h","SCF",
"JR C,@h","ADD I%,SP","LD A,(#h)","DEC SP","INC A","DEC A","LD A,*h","CCF",
"LD B,B","LD B,C","LD B,D","LD B,E","LD B,I%h","LD B,I%l","LD B,(I%+^h)","LD B,A",
"LD C,B","LD C,C","LD C,D","LD C,E","LD C,I%h","LD C,I%l","LD C,(I%+^h)","LD C,A",
"LD D,B","LD D,C","LD D,D","LD D,E","LD D,I%h","LD D,I%l","LD D,(I%+^h)","LD D,A",
"LD E,B","LD E,C","LD E,D","LD E,E","LD E,I%h","LD E,I%l","LD E,(I%+^h)","LD E,A",
"LD I%h,B","LD I%h,C","LD I%h,D","LD I%h,E","LD I%h,I%h","LD I%h,I%l","LD H,(I%+^h)","LD I%h,A",
"LD I%l,B","LD I%l,C","LD I%l,D","LD I%l,E","LD I%l,I%h","LD I%l,I%l","LD L,(I%+^h)","LD I%l,A",
"LD (I%+^h),B","LD (I%+^h),C","LD (I%+^h),D","LD (I%+^h),E","LD (I%+^h),H","LD (I%+^h),L","HALT","LD (I%+^h),A",
"LD A,B","LD A,C","LD A,D","LD A,E","LD A,I%h","LD A,I%l","LD A,(I%+^h)","LD A,A",
"ADD B","ADD C","ADD D","ADD E","ADD I%h","ADD I%l","ADD (I%+^h)","ADD A",
"ADC B","ADC C","ADC D","ADC E","ADC I%h","ADC I%l","ADC (I%+^h)","ADC,A",
"SUB B","SUB C","SUB D","SUB E","SUB I%h","SUB I%l","SUB (I%+^h)","SUB A",
"SBC B","SBC C","SBC D","SBC E","SBC I%h","SBC I%l","SBC (I%+^h)","SBC A",
"AND B","AND C","AND D","AND E","AND I%h","AND I%l","AND (I%+^h)","AND A",
"XOR B","XOR C","XOR D","XOR E","XOR I%h","XOR I%l","XOR (I%+^h)","XOR A",
"OR B","OR C","OR D","OR E","OR I%h","OR I%l","OR (I%+^h)","OR A",
"CP B","CP C","CP D","CP E","CP I%h","CP I%l","CP (I%+^h)","CP A",
"RET NZ","POP BC","JP NZ,#h","JP #h","CALL NZ,#h","PUSH BC","ADD *h","RST 00h",
"RET Z","RET","JP Z,#h","PFX_CB","CALL Z,#h","CALL #h","ADC *h","RST 08h",
"RET NC","POP DE","JP NC,#h","OUTA (*h)","CALL NC,#h","PUSH DE","SUB *h","RST 10h",
"RET C","EXX","JP C,#h","INA (*h)","CALL C,#h","PFX_DD","SBC *h","RST 18h",
"RET PO","POP I%","JP PO,#h","EX I%,(SP)","CALL PO,#h","PUSH I%","AND *h","RST 20h",
"RET PE","LD PC,I%","JP PE,#h","EX DE,I%","CALL PE,#h","PFX_ED","XOR *h","RST 28h",
"RET P","POP AF","JP P,#h","DI","CALL P,#h","PUSH AF","OR *h","RST 30h",
"RET M","LD SP,I%","JP M,#h","EI","CALL M,#h","PFX_FD","CP *h","RST 38h"
};
private static readonly string[] DDCBPrefixOpcodes = new[]
{
"RLC B","RLC C","RLC D","RLC E","RLC H","RLC L","RLC (I%@h)","RLC A",
"RRC B","RRC C","RRC D","RRC E","RRC H","RRC L","RRC (I%@h)","RRC A",
"RL B","RL C","RL D","RL E","RL H","RL L","RL (I%@h)","RL A",
"RR B","RR C","RR D","RR E","RR H","RR L","RR (I%@h)","RR A",
"SLA B","SLA C","SLA D","SLA E","SLA H","SLA L","SLA (I%@h)","SLA A",
"SRA B","SRA C","SRA D","SRA E","SRA H","SRA L","SRA (I%@h)","SRA A",
"SLL B","SLL C","SLL D","SLL E","SLL H","SLL L","SLL (I%@h)","SLL A",
"SRL B","SRL C","SRL D","SRL E","SRL H","SRL L","SRL (I%@h)","SRL A",
"BIT 0,B","BIT 0,C","BIT 0,D","BIT 0,E","BIT 0,H","BIT 0,L","BIT 0,(I%@h)","BIT 0,A",
"BIT 1,B","BIT 1,C","BIT 1,D","BIT 1,E","BIT 1,H","BIT 1,L","BIT 1,(I%@h)","BIT 1,A",
"BIT 2,B","BIT 2,C","BIT 2,D","BIT 2,E","BIT 2,H","BIT 2,L","BIT 2,(I%@h)","BIT 2,A",
"BIT 3,B","BIT 3,C","BIT 3,D","BIT 3,E","BIT 3,H","BIT 3,L","BIT 3,(I%@h)","BIT 3,A",
"BIT 4,B","BIT 4,C","BIT 4,D","BIT 4,E","BIT 4,H","BIT 4,L","BIT 4,(I%@h)","BIT 4,A",
"BIT 5,B","BIT 5,C","BIT 5,D","BIT 5,E","BIT 5,H","BIT 5,L","BIT 5,(I%@h)","BIT 5,A",
"BIT 6,B","BIT 6,C","BIT 6,D","BIT 6,E","BIT 6,H","BIT 6,L","BIT 6,(I%@h)","BIT 6,A",
"BIT 7,B","BIT 7,C","BIT 7,D","BIT 7,E","BIT 7,H","BIT 7,L","BIT 7,(I%@h)","BIT 7,A",
"RES 0,B","RES 0,C","RES 0,D","RES 0,E","RES 0,H","RES 0,L","RES 0,(I%@h)","RES 0,A",
"RES 1,B","RES 1,C","RES 1,D","RES 1,E","RES 1,H","RES 1,L","RES 1,(I%@h)","RES 1,A",
"RES 2,B","RES 2,C","RES 2,D","RES 2,E","RES 2,H","RES 2,L","RES 2,(I%@h)","RES 2,A",
"RES 3,B","RES 3,C","RES 3,D","RES 3,E","RES 3,H","RES 3,L","RES 3,(I%@h)","RES 3,A",
"RES 4,B","RES 4,C","RES 4,D","RES 4,E","RES 4,H","RES 4,L","RES 4,(I%@h)","RES 4,A",
"RES 5,B","RES 5,C","RES 5,D","RES 5,E","RES 5,H","RES 5,L","RES 5,(I%@h)","RES 5,A",
"RES 6,B","RES 6,C","RES 6,D","RES 6,E","RES 6,H","RES 6,L","RES 6,(I%@h)","RES 6,A",
"RES 7,B","RES 7,C","RES 7,D","RES 7,E","RES 7,H","RES 7,L","RES 7,(I%@h)","RES 7,A",
"SET 0,B","SET 0,C","SET 0,D","SET 0,E","SET 0,H","SET 0,L","SET 0,(I%@h)","SET 0,A",
"SET 1,B","SET 1,C","SET 1,D","SET 1,E","SET 1,H","SET 1,L","SET 1,(I%@h)","SET 1,A",
"SET 2,B","SET 2,C","SET 2,D","SET 2,E","SET 2,H","SET 2,L","SET 2,(I%@h)","SET 2,A",
"SET 3,B","SET 3,C","SET 3,D","SET 3,E","SET 3,H","SET 3,L","SET 3,(I%@h)","SET 3,A",
"SET 4,B","SET 4,C","SET 4,D","SET 4,E","SET 4,H","SET 4,L","SET 4,(I%@h)","SET 4,A",
"SET 5,B","SET 5,C","SET 5,D","SET 5,E","SET 5,H","SET 5,L","SET 5,(I%@h)","SET 5,A",
"SET 6,B","SET 6,C","SET 6,D","SET 6,E","SET 6,H","SET 6,L","SET 6,(I%@h)","SET 6,A",
"SET 7,B","SET 7,C","SET 7,D","SET 7,E","SET 7,H","SET 7,L","SET 7,(I%@h)","SET 7,A"
};
#endregion
public string Disassemble(ushort pc, out int bytesToAdvance)
{
byte op = ReadMemory(pc++);
string disassembly;
switch (op)
{
case 0xCB:
op = ReadMemory(pc++);
disassembly = CBPrefixOpcodes[op];
bytesToAdvance = 2;
break;
case 0xED:
op = ReadMemory(pc++);
disassembly = EDPrefixOpcodes[op];
bytesToAdvance = 2;
break;
case 0xDD:
op = ReadMemory(pc++);
if (op == 0xCB)
{
op = ReadMemory(pc++);
disassembly = DDCBPrefixOpcodes[op];
bytesToAdvance = 3;
} else {
disassembly = DDPrefixOpcodes[op];
bytesToAdvance = 2;
}
break;
default:
disassembly = Opcodes[op];
bytesToAdvance = 1;
break;
}
if (disassembly.IndexOf('*') != -1)
{
disassembly = disassembly.Replace("*", string.Format("{0:X2}", ReadMemory(pc++)));
bytesToAdvance++;
}
if (disassembly.IndexOf('#') != -1)
{
byte L = ReadMemory(pc++);
byte H = ReadMemory(pc++);
disassembly = disassembly.Replace("#", string.Format("{0:X4}", H << 8 | L));
bytesToAdvance += 2;
}
if (disassembly.IndexOf('@') != -1)
{
sbyte b = (sbyte) ReadMemory(pc++);
char sign = b < 0 ? '-' : '+';
disassembly = disassembly.Replace("@", string.Format("{0}{1:X2}", sign, b));
bytesToAdvance++;
}
return disassembly;
}
public string State()
{
int notused;
string a = string.Format("{0:X4} {1}", RegPC.Word, Disassemble(RegPC.Word, out notused)).PadRight(41);
string b = string.Format("AF: {0:X4} BC: {1:X4} DE: {2:X4} HL: {3:X4} IX: {4:X4} IY: {5:X4} SP: {6:X4} ",
RegAF.Word, RegBC.Word, RegDE.Word, RegHL.Word, RegIX.Word, RegIY.Word, RegSP.Word);
string val = a + b;
if (RegFlagC) val += "C";
if (RegFlagN) val += "N";
if (RegFlagP) val += "P";
if (RegFlag3) val += "3";
if (RegFlagH) val += "H";
if (RegFlag5) val += "5";
if (RegFlagZ) val += "Z";
if (RegFlagS) val += "S";
return val;
}
}
}