86 lines
3.8 KiB
C#
86 lines
3.8 KiB
C#
using System.Text;
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namespace BizHawk.Emulation.CPUs.M68K
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{
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public class DisassemblyInfo
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{
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public int PC;
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public string Mnemonic;
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public string Args;
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public string RawBytes;
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public int Length;
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public override string ToString()
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{
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return string.Format("{0:X6} {3,-20} {1,-8} {2}", PC, Mnemonic, Args, RawBytes);
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}
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}
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public partial class M68000
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{
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public DisassemblyInfo Disassemble(int pc)
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{
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var info = new DisassemblyInfo { Mnemonic = "UNKNOWN", PC = pc, Length = 2 };
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op = (ushort)ReadWord(pc);
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if (Opcodes[op] == MOVE) MOVE_Disasm(info);
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else if (Opcodes[op] == MOVEA) MOVEA_Disasm(info);
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else if (Opcodes[op] == MOVEQ) MOVEQ_Disasm(info);
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else if (Opcodes[op] == MOVEM0) MOVEM0_Disasm(info);
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else if (Opcodes[op] == MOVEM1) MOVEM1_Disasm(info);
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else if (Opcodes[op] == LEA) LEA_Disasm(info);
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else if (Opcodes[op] == CLR) CLR_Disasm(info);
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else if (Opcodes[op] == EXT) EXT_Disasm(info);
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else if (Opcodes[op] == ANDI) ANDI_Disasm(info);
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else if (Opcodes[op] == ORI) ORI_Disasm(info);
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else if (Opcodes[op] == LSLd) LSLd_Disasm(info);
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else if (Opcodes[op] == LSRd) LSRd_Disasm(info);
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else if (Opcodes[op] == ASLd) ASLd_Disasm(info);
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else if (Opcodes[op] == ASRd) ASRd_Disasm(info);
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else if (Opcodes[op] == ROLd) ROLd_Disasm(info);
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else if (Opcodes[op] == RORd) RORd_Disasm(info);
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else if (Opcodes[op] == SWAP) SWAP_Disasm(info);
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else if (Opcodes[op] == JMP) JMP_Disasm(info);
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else if (Opcodes[op] == JSR) JSR_Disasm(info);
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else if (Opcodes[op] == Bcc) Bcc_Disasm(info);
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else if (Opcodes[op] == BRA) BRA_Disasm(info);
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else if (Opcodes[op] == BSR) BSR_Disasm(info);
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else if (Opcodes[op] == DBcc) DBcc_Disasm(info);
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else if (Opcodes[op] == RTS) RTS_Disasm(info);
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else if (Opcodes[op] == TST) TST_Disasm(info);
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else if (Opcodes[op] == BTSTi) BTSTi_Disasm(info);
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else if (Opcodes[op] == BTSTr) BTSTr_Disasm(info);
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else if (Opcodes[op] == LINK) LINK_Disasm(info);
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else if (Opcodes[op] == NOP) NOP_Disasm(info);
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else if (Opcodes[op] == ADD0) ADD_Disasm(info);
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else if (Opcodes[op] == ADD1) ADD_Disasm(info);
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else if (Opcodes[op] == ADDA) ADDA_Disasm(info);
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else if (Opcodes[op] == ADDI) ADDI_Disasm(info);
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else if (Opcodes[op] == ADDQ) ADDQ_Disasm(info);
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else if (Opcodes[op] == SUB0) SUB_Disasm(info);
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else if (Opcodes[op] == SUB1) SUB_Disasm(info);
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else if (Opcodes[op] == SUBA) SUBA_Disasm(info);
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else if (Opcodes[op] == SUBI) SUBI_Disasm(info);
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else if (Opcodes[op] == SUBQ) SUBQ_Disasm(info);
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else if (Opcodes[op] == CMP) CMP_Disasm(info);
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else if (Opcodes[op] == CMPA) CMPA_Disasm(info);
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else if (Opcodes[op] == CMPI) CMPI_Disasm(info);
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else if (Opcodes[op] == MOVEtSR) MOVEtSR_Disasm(info);
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else if (Opcodes[op] == MOVEfSR) MOVEfSR_Disasm(info);
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else if (Opcodes[op] == MOVEUSP) MOVEUSP_Disasm(info);
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else if (Opcodes[op] == ORI_SR) ORI_SR_Disasm(info);
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var sb = new StringBuilder();
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for (int p = info.PC; p < info.PC + info.Length; p++)
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sb.AppendFormat("{0:X2}", ReadByte(p));
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info.RawBytes = sb.ToString();
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return info;
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}
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}
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}
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