diff options
| author | Ian C <ianc@noddybox.co.uk> | 2012-03-05 23:55:51 +0000 |
|---|---|---|
| committer | Ian C <ianc@noddybox.co.uk> | 2012-03-05 23:55:51 +0000 |
| commit | 7a79ba9eb1e7cbee6386d8c8e019fdc4738228a4 (patch) | |
| tree | 71d09422590cc23aebe364e4c6f000567942eacb /src | |
| parent | 788b8cc4dd404a826ce881c020ee6ca0388a5975 (diff) | |
None compiling safe-keeping commit. Started on Z80 disassembler.
Diffstat (limited to 'src')
3 files changed, 2417 insertions, 3 deletions
diff --git a/src/Noddybox.Emulation.EightBit.Z80.Disassembler/Z80Disassembler.cs b/src/Noddybox.Emulation.EightBit.Z80.Disassembler/Z80Disassembler.cs new file mode 100644 index 0000000..cdb378d --- /dev/null +++ b/src/Noddybox.Emulation.EightBit.Z80.Disassembler/Z80Disassembler.cs @@ -0,0 +1,2371 @@ +// This file is part of the Noddybox.Emulation C# suite.
+//
+// Noddybox.Emulation is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Noddybox.Emulation is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Noddybox.Emulation. If not, see <http://www.gnu.org/licenses/>.
+//
+// Copyright (c) 2012 Ian Cowburn
+//
+using System;
+
+namespace Noddybox.Emulation.EightBit.Z80.Disassembler
+{
+ /// <summary>
+ /// Provides an implementation of a Zilog Z80 disassembler.
+ /// </summary>
+ public class Z80Disassembler : IDisassembler
+ {
+ #region Private data
+
+ private IMemory memory;
+ private sbyte cb_off;
+
+ private readonly string[] z80_dis_reg8 = new string[] {"b","c","d","e","h","l","(hl)","a"};
+ private readonly string[] z80_dis_reg16 = new string[] {"bc","de","hl","sp"};
+ private readonly string[] z80_dis_condition = new string[] {"nz","z","nc","c","po","pe","p","m"};
+
+ private delegate void disassemble(byte opcode, ref ushort address);
+
+ private disassemble[] dis_CB_opcode;
+ private disassemble[] dis_DD_opcode;
+ private disassemble[] dis_DD_CB_opcode;
+ private disassemble[] dis_ED_opcode;
+ private disassemble[] dis_FD_opcode;
+ private disassemble[] dis_FD_CB_opcode;
+ private disassemble[] dis_opcode_z80;
+
+ #endregion
+
+ #region Private. Some of these routines are to support the original C code.
+
+ private byte Z80_Dis_FetchByte(ref ushort addr)
+ {
+ return memory.Read(addr++);
+ }
+
+ private ushort FetchWord(ref ushort addr)
+ {
+ Register16 r = new Register16(0);
+
+ r.low = memory.Read(addr++);
+ r.high = memory.Read(addr++);
+
+ return r.reg;
+ }
+
+ private string Opcode {get; set;}
+ private string Argument {get; set;}
+
+ private void Z80_Dis_Set(string a, string b)
+ {
+ Opcode = a;
+ Argument = b;
+ }
+
+ #endregion
+
+ #region Disassembler functions. This code pretty much pasted as-is from my original C version
+
+ /* ---------------------------------------- CB xx BYTE OPCODES
+ */
+ private void DIS_RLC_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("rlc", reg);
+ }
+
+ private void DIS_RRC_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("rrc", reg);
+ }
+
+ private void DIS_RL_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("rl", reg);
+ }
+
+ private void DIS_RR_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("rr", reg);
+ }
+
+ private void DIS_SLA_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("sla", reg);
+ }
+
+ private void DIS_SRA_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("sra", reg);
+ }
+
+ private void DIS_SLL_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("sll", reg);
+ }
+
+ private void DIS_SRL_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("srl", reg);
+ }
+
+ private void DIS_BIT_R8(byte op, ref ushort pc)
+ {
+ string reg;
+ int bit;
+
+ reg = z80_dis_reg8[op % 8];
+ bit = (op - 0x40) / 8;
+ Z80_Dis_Set("bit", Z80_Dis_Printf("%d,%s", bit, reg));
+ }
+
+ private void DIS_RES_R8(byte op, ref ushort pc)
+ {
+ string reg;
+ int bit;
+
+ reg = z80_dis_reg8[op % 8];
+ bit = (op - 0x80) / 8;
+ Z80_Dis_Set("res", Z80_Dis_Printf("%d,%s", bit, reg));
+ }
+
+ private void DIS_SET_R8(byte op, ref ushort pc)
+ {
+ string reg;
+ int bit;
+
+ reg = z80_dis_reg8[op % 8];
+ bit = (op - 0xc0) / 8;
+ Z80_Dis_Set("set", Z80_Dis_Printf("%d,%s", bit, reg));
+ }
+
+ /* ---------------------------------------- DD OPCODES
+ */
+
+ string IX_RelStr(byte op, ref ushort pc)
+ {
+ sbyte r;
+
+ r=(sbyte)Z80_Dis_FetchByte(z80,pc);
+
+ if (r<0)
+ return String.Format("(ix-{0:x2})",-r);
+ else
+ return String.Format("(ix+{0:x2})", r);
+ }
+
+
+ string IX_RelStrCB(byte op, ref ushort pc)
+ {
+ sbyte r;
+
+ r=(sbyte)cb_off;
+
+ if (r<0)
+ return String.Format("(ix-{0:x2})",-r);
+ else
+ return String.Format("(ix+{0:x2})", r);
+ }
+
+
+ string XR8(int reg, ref ushort pc)
+ {
+ switch (reg)
+ {
+ case 0:
+ return ("b");
+ break;
+ case 1:
+ return ("c");
+ break;
+ case 2:
+ return ("d");
+ break;
+ case 3:
+ return ("e");
+ break;
+ case 4:
+ return ("ixh");
+ break;
+ case 5:
+ return ("ixl");
+ break;
+ case 6:
+ return (IX_RelStr(0, pc));
+ break;
+ case 7:
+ return ("a");
+ break;
+ default:
+ return String.Format("BUG {0}", reg);
+ break;
+ }
+ }
+
+ private void DIS_DD_NOP(byte op, ref ushort pc)
+ {
+ dis_opcode_z80[op](op, pc);
+ }
+
+ private void DIS_ADD_IX_BC(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("add", "ix,bc");
+ }
+
+ private void DIS_ADD_IX_DE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("add", "ix,de");
+ }
+
+ private void DIS_LD_IX_WORD(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", Z80_Dis_Printf("ix,$%.4x", Z80_Dis_FetchWord(pc)));
+ }
+
+ private void DIS_LD_ADDR_IX(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("($%.4x),ix", w));
+ }
+
+ private void DIS_INC_IX(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("inc", "ix");
+ }
+
+ private void DIS_INC_IXH(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("inc", "ixh");
+ }
+
+ private void DIS_DEC_IXH(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("dec", "ixh");
+ }
+
+ private void DIS_LD_IXH_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", Z80_Dis_Printf("ixh,$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_ADD_IX_IX(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("add", "ix,ix");
+ }
+
+ private void DIS_LD_IX_ADDR(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("ix,($%.4x)", w));
+ }
+
+ private void DIS_DEC_IX(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("dec", "ix");
+ }
+
+ private void DIS_INC_IXL(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("inc", "ixl");
+ }
+
+ private void DIS_DEC_IXL(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("dec", "ixl");
+ }
+
+ private void DIS_LD_IXL_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", Z80_Dis_Printf("ixl,$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_INC_IIX(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("inc", Z80_Dis_Printf("%s", IX_RelStr(op, pc)));
+ }
+
+ private void DIS_DEC_IIX(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("dec", Z80_Dis_Printf("%s", IX_RelStr(op, pc)));
+ }
+
+ private void DIS_LD_IIX_BYTE(byte op, ref ushort pc)
+ {
+ string rel;
+ int b;
+
+ rel = IX_RelStr(op, pc);
+ b = Z80_Dis_FetchByte(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("%s,$%.2x", rel, b));
+ }
+
+
+ private void DIS_ADD_IX_SP(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("add", "ix,sp");
+ }
+
+ private void DIS_XLD_R8_R8(byte op, ref ushort pc)
+ {
+ int src_r,dest_r;
+ string src,dest;
+
+ dest_r=(op-0x40)/8;
+ src_r=op%8;
+
+ /* IX can't be used as source and destination when reading z80ory
+ */
+ if (dest_r==6)
+ {
+ dest=XR8(dest_r,pc);
+ src=z80_dis_reg8[src_r];
+ }
+ else if (((dest_r==4)||(dest_r==5))&&(src_r==6))
+ {
+ dest=z80_dis_reg8[dest_r];
+ src=XR8(src_r,pc);
+ }
+ else
+ {
+ dest=XR8(dest_r,pc);
+ src=XR8(src_r,pc);
+ }
+
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,%s",dest,src));
+ }
+
+ private void DIS_XADD_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("add", Z80_Dis_Printf("a,%s", XR8((op % 8), pc)));
+ }
+
+ private void DIS_XADC_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("adc", Z80_Dis_Printf("a,%s", XR8((op % 8), pc)));
+ }
+
+ private void DIS_XSUB_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("sub", Z80_Dis_Printf("a,%s", XR8((op % 8), pc)));
+ }
+
+ private void DIS_XSBC_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("sbc", Z80_Dis_Printf("a,%s", XR8((op % 8), pc)));
+ }
+
+ private void DIS_XAND_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("and", Z80_Dis_Printf("%s", XR8((op % 8), pc)));
+ }
+
+ private void DIS_XXOR_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("xor", Z80_Dis_Printf("%s", XR8((op % 8), pc)));
+ }
+
+ private void DIS_X_OR_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("or", Z80_Dis_Printf("%s", XR8((op % 8), pc)));
+ }
+
+ private void DIS_XCP_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("cp", Z80_Dis_Printf("%s", XR8((op % 8), pc)));
+ }
+
+ private void DIS_POP_IX(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("pop", "ix");
+ }
+
+ private void DIS_EX_ISP_IX(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ex", "(sp),ix");
+ }
+
+ private void DIS_PUSH_IX(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("push", "ix");
+ }
+
+ private void DIS_JP_IX(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("jp", "(ix)");
+ }
+
+ private void DIS_LD_SP_IX(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", "sp,ix");
+ }
+
+ private void DIS_DD_CB_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ cb_off = (sbyte)Z80_Dis_FetchByte(pc);
+ nop = Z80_Dis_FetchByte(pc);
+ dis_DD_CB_opcode[nop](nop, pc);
+ }
+
+ private void DIS_DD_DD_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ nop = Z80_Dis_FetchByte(pc);
+ dis_DD_opcode[nop](nop, pc);
+ }
+
+ private void DIS_DD_ED_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ nop = Z80_Dis_FetchByte(pc);
+ dis_ED_opcode[nop](nop, pc);
+ }
+
+ private void DIS_DD_FD_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ nop = Z80_Dis_FetchByte(pc);
+ dis_FD_opcode[nop](nop, pc);
+ }
+
+
+ /* ---------------------------------------- DD CB OPCODES
+ */
+
+ private void DIS_RLC_IX(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("rlc", Z80_Dis_Printf("%s", IX_RelStrCB(op, pc)));
+ else
+ {
+ Z80_Dis_Set("rlc", Z80_Dis_Printf("%s[%s]", IX_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+ }
+
+ private void DIS_RRC_IX(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("rrc", Z80_Dis_Printf("%s", IX_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("rrc", Z80_Dis_Printf("%s[%s]", IX_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_RL_IX(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("rl", Z80_Dis_Printf("%s", IX_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("rl", Z80_Dis_Printf("%s[%s]", IX_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_RR_IX(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("rr", Z80_Dis_Printf("%s", IX_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("rr", Z80_Dis_Printf("%s[%s]", IX_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_SLA_IX(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("sla", Z80_Dis_Printf("%s", IX_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("sla", Z80_Dis_Printf("%s[%s]", IX_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_SRA_IX(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("sra", Z80_Dis_Printf("%s", IX_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("sra", Z80_Dis_Printf("%s[%s]", IX_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_SRL_IX(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("srl", Z80_Dis_Printf("%s", IX_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("srl", Z80_Dis_Printf("%s[%s]", IX_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_SLL_IX(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("sll", Z80_Dis_Printf("%s", IX_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("sll", Z80_Dis_Printf("%s[%s]", IX_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_BIT_IX(byte op, ref ushort pc)
+ {
+ int reg;
+ int bit;
+
+ reg = (op % 8);
+ bit = (op - 0x40) / 8;
+
+ if (reg == 6)
+ Z80_Dis_Set("bit", Z80_Dis_Printf("%d,%s", bit, IX_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("bit", Z80_Dis_Printf("%d,%s[%s]", bit, IX_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_RES_IX(byte op, ref ushort pc)
+ {
+ int reg;
+ int bit;
+
+ reg = (op % 8);
+ bit = (op - 0x80) / 8;
+
+ if (reg == 6)
+ Z80_Dis_Set("res", Z80_Dis_Printf("%d,%s", bit, IX_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("res", Z80_Dis_Printf("%d,%s[%s]", bit, IX_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_SET_IX(byte op, ref ushort pc)
+ {
+ int reg;
+ int bit;
+
+ reg = (op % 8);
+ bit = (op - 0xc0) / 8;
+
+ if (reg == 6)
+ Z80_Dis_Set("set", Z80_Dis_Printf("%d,%s", bit, IX_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("set", Z80_Dis_Printf("%d,%s[%s]", bit, IX_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+
+ /* ---------------------------------------- ED OPCODES
+ */
+
+ string ER8(int reg)
+ {
+ switch (reg)
+ {
+ case 0:
+ return ("b");
+ break;
+ case 1:
+ return ("c");
+ break;
+ case 2:
+ return ("d");
+ break;
+ case 3:
+ return ("e");
+ break;
+ case 4:
+ return ("h");
+ break;
+ case 5:
+ return ("l");
+ break;
+ case 6:
+ return ("0");
+ break;
+ case 7:
+ return ("a");
+ break;
+ }
+
+ return "?";
+ }
+
+ /* Assumes illegal ED ops are being used for break points
+ */
+ private void DIS_ED_NOP(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("brk", Z80_Dis_Printf("$%.2x", op));
+ }
+
+ private void DIS_IN_R8_C(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("in", Z80_Dis_Printf("%s,(c)", ER8((op - 0x40) / 8)));
+ }
+
+ private void DIS_OUT_C_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("out", Z80_Dis_Printf("(c),%s", ER8((op - 0x40) / 8)));
+ }
+
+ private void DIS_SBC_HL_R16(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("sbc", Z80_Dis_Printf("hl,%s", z80_dis_reg16[(op - 0x40) / 16]));
+ }
+
+ private void DIS_ED_LD_ADDR_R16(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("($%.4x),%s", w, z80_dis_reg16[(op - 0x40) / 16]));
+ }
+
+ private void DIS_NEG(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("neg", null);
+ }
+
+ private void DIS_RETN(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("retn", null);
+ }
+
+ private void DIS_IM_0(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("im", "0");
+ }
+
+ private void DIS_LD_I_A(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", "i,a");
+ }
+
+ private void DIS_ADC_HL_R16(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("adc", Z80_Dis_Printf("hl,%s", z80_dis_reg16[(op - 0x40) / 16]));
+ }
+
+ private void DIS_ED_LD_R16_ADDR(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("%s,($%.4x)", z80_dis_reg16[(op - 0x40) / 16], w));
+ }
+
+ private void DIS_RETI(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("reti", null);
+ }
+
+ private void DIS_LD_R_A(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", "r,a");
+ }
+
+ private void DIS_IM_1(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("im", "1");
+ }
+
+ private void DIS_LD_A_I(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", "a,i");
+ }
+
+ private void DIS_IM_2(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("im", "2");
+ }
+
+ private void DIS_LD_A_R(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", "a,r");
+ }
+
+ private void DIS_RRD(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("rrd", null);
+ }
+
+ private void DIS_RLD(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("rld", null);
+ }
+
+ private void DIS_LDI(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ldi", null);
+ }
+
+ private void DIS_CPI(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("cpi", null);
+ }
+
+ private void DIS_INI(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ini", null);
+ }
+
+ private void DIS_OUTI(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("outi", null);
+ }
+
+ private void DIS_LDD(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ldd", null);
+ }
+
+ private void DIS_CPD(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("cpd", null);
+ }
+
+ private void DIS_IND(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ind", null);
+ }
+
+ private void DIS_OUTD(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("outd", null);
+ }
+
+ private void DIS_LDIR(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ldir", null);
+ }
+
+ private void DIS_CPIR(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("cpir", null);
+ }
+
+ private void DIS_INIR(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("inir", null);
+ }
+
+ private void DIS_OTIR(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("otir", null);
+ }
+
+ private void DIS_LDDR(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("lddr", null);
+ }
+
+ private void DIS_CPDR(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("cpdr", null);
+ }
+
+ private void DIS_INDR(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("indr", null);
+ }
+
+ private void DIS_OTDR(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("otdr", null);
+ }
+
+
+ /* ---------------------------------------- FD OPCODES
+ */
+
+ string IY_RelStr(byte op, ref ushort pc)
+ {
+ sbyte r;
+
+ r=(sbyte)Z80_Dis_FetchByte(z80,pc);
+
+ if (r<0)
+ return String.Format("(iy-${0:x2})",-r);
+ else
+ return String.Format("(iy+${0:x2})", r);
+ }
+
+
+ string IY_RelStrCB(byte op, ref ushort pc)
+ {
+ sbyte r;
+
+ r=(sbyte)cb_off;
+
+ if (r<0)
+ return String.Format("(iy-${0:x2})",-r);
+ else
+ return String.Format("(iy+${0:x2})", r);
+ }
+
+
+ string YR8(int reg, ref ushort pc)
+ {
+ switch (reg)
+ {
+ case 0:
+ return ("b");
+ break;
+ case 1:
+ return ("c");
+ break;
+ case 2:
+ return ("d");
+ break;
+ case 3:
+ return ("e");
+ break;
+ case 4:
+ return ("iyh");
+ break;
+ case 5:
+ return ("iyl");
+ break;
+ case 6:
+ return (IY_RelStr(0, pc));
+ break;
+ case 7:
+ return ("a");
+ break;
+ default:
+ return String.Format("BUG {0}", reg);
+ break;
+ }
+ }
+
+ private void DIS_FD_NOP(byte op, ref ushort pc)
+ {
+ dis_opcode_z80[op](op, pc);
+ }
+
+ private void DIS_ADD_IY_BC(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("add", "iy,bc");
+ }
+
+ private void DIS_ADD_IY_DE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("add", "iy,de");
+ }
+
+ private void DIS_LD_IY_WORD(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", Z80_Dis_Printf("iy,$%.4x", Z80_Dis_FetchWord(pc)));
+ }
+
+ private void DIS_LD_ADDR_IY(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("($%.4x),iy", w));
+ }
+
+ private void DIS_INC_IY(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("inc", "iy");
+ }
+
+ private void DIS_INC_IYH(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("inc", "iyh");
+ }
+
+ private void DIS_DEC_IYH(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("dec", "iyh");
+ }
+
+ private void DIS_LD_IYH_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", Z80_Dis_Printf("iyh,$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_ADD_IY_IY(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("add", "iy,iy");
+ }
+
+ private void DIS_LD_IY_ADDR(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("iy,($%.4x)", w));
+ }
+
+ private void DIS_DEC_IY(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("dec", "iy");
+ }
+
+ private void DIS_INC_IYL(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("inc", "iyl");
+ }
+
+ private void DIS_DEC_IYL(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("dec", "iyl");
+ }
+
+ private void DIS_LD_IYL_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", Z80_Dis_Printf("iyl,$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_INC_IIY(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("inc", Z80_Dis_Printf("%s", IY_RelStr(op, pc)));
+ }
+
+ private void DIS_DEC_IIY(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("dec", Z80_Dis_Printf("%s", IY_RelStr(op, pc)));
+ }
+
+ private void DIS_LD_IIY_BYTE(byte op, ref ushort pc)
+ {
+ string rel;
+ int b;
+
+ rel = IY_RelStr(op, pc);
+ b = Z80_Dis_FetchByte(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("%s,$%.2x", rel, b));
+ }
+
+
+ private void DIS_ADD_IY_SP(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("add", "iy,sp");
+ }
+
+ private void DIS_YLD_R8_R8(byte op, ref ushort pc)
+ {
+ int src_r,dest_r;
+ string src,dest;
+
+ dest_r=(op-0x40)/8;
+ src_r=op%8;
+
+ /* IY can't be used as source and destination when reading z80ory
+ */
+ if (dest_r==6)
+ {
+ dest=YR8(z80,dest_r,pc);
+ src=z80_dis_reg8[src_r];
+ }
+ else if (((dest_r==4)||(dest_r==5))&&(src_r==6))
+ {
+ dest=z80_dis_reg8[dest_r];
+ src=YR8(z80,src_r,pc);
+ }
+ else
+ {
+ dest=YR8(z80,dest_r,pc);
+ src=YR8(z80,src_r,pc);
+ }
+
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,%s",dest,src));
+ }
+
+ private void DIS_YADD_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("add", Z80_Dis_Printf("a,%s", YR8((op % 8), pc)));
+ }
+
+ private void DIS_YADC_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("adc", Z80_Dis_Printf("a,%s", YR8((op % 8), pc)));
+ }
+
+ private void DIS_YSUB_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("sub", Z80_Dis_Printf("a,%s", YR8((op % 8), pc)));
+ }
+
+ private void DIS_YSBC_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("sbc", Z80_Dis_Printf("a,%s", YR8((op % 8), pc)));
+ }
+
+ private void DIS_YAND_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("and", Z80_Dis_Printf("%s", YR8((op % 8), pc)));
+ }
+
+ private void DIS_YYOR_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("xor", Z80_Dis_Printf("%s", YR8((op % 8), pc)));
+ }
+
+ private void DIS_Y_OR_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("or", Z80_Dis_Printf("%s", YR8((op % 8), pc)));
+ }
+
+ private void DIS_YCP_R8(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("cp", Z80_Dis_Printf("%s", YR8((op % 8), pc)));
+ }
+
+ private void DIS_POP_IY(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("pop", "iy");
+ }
+
+ private void DIS_EY_ISP_IY(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ex", "(sp),iy");
+ }
+
+ private void DIS_PUSH_IY(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("push", "iy");
+ }
+
+ private void DIS_JP_IY(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("jp", "(iy)");
+ }
+
+ private void DIS_LD_SP_IY(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", "sp,iy");
+ }
+
+ private void DIS_FD_CB_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ cb_off = (sbyte)Z80_Dis_FetchByte(pc);
+ nop = Z80_Dis_FetchByte(pc);
+ dis_FD_CB_opcode[nop](nop, pc);
+ }
+
+ private void DIS_FD_DD_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ nop = Z80_Dis_FetchByte(pc);
+ dis_DD_opcode[nop](nop, pc);
+ }
+
+ private void DIS_FD_ED_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ nop = Z80_Dis_FetchByte(pc);
+ dis_ED_opcode[nop](nop, pc);
+ }
+
+ private void DIS_FD_FD_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ nop = Z80_Dis_FetchByte(pc);
+ dis_FD_opcode[nop](nop, pc);
+ }
+
+
+ /* ---------------------------------------- FD CB OPCODES
+ */
+
+ private void DIS_RLC_IY(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("rlc", Z80_Dis_Printf("%s", IY_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("rlc", Z80_Dis_Printf("%s[%s]", IY_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_RRC_IY(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("rrc", Z80_Dis_Printf("%s", IY_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("rrc", Z80_Dis_Printf("%s[%s]", IY_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_RL_IY(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("rl", Z80_Dis_Printf("%s", IY_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("rl", Z80_Dis_Printf("%s[%s]", IY_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_RR_IY(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("rr", Z80_Dis_Printf("%s", IY_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("rr", Z80_Dis_Printf("%s[%s]", IY_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_SLA_IY(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("sla", Z80_Dis_Printf("%s", IY_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("sla", Z80_Dis_Printf("%s[%s]", IY_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_SRA_IY(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("sra", Z80_Dis_Printf("%s", IY_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("sra", Z80_Dis_Printf("%s[%s]", IY_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_SRL_IY(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("srl", Z80_Dis_Printf("%s", IY_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("srl", Z80_Dis_Printf("%s[%s]", IY_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_SLL_IY(byte op, ref ushort pc)
+ {
+ int reg;
+
+ reg = (op % 8);
+
+ if (reg == 6)
+ Z80_Dis_Set("sll", Z80_Dis_Printf("%s", IY_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("sll", Z80_Dis_Printf("%s[%s]", IY_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_BIT_IY(byte op, ref ushort pc)
+ {
+ int reg;
+ int bit;
+
+ reg = (op % 8);
+ bit = (op - 0x40) / 8;
+
+ if (reg == 6)
+ Z80_Dis_Set("bit", Z80_Dis_Printf("%d,%s", bit, IY_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("bit", Z80_Dis_Printf("%d,%s[%s]", bit, IY_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_RES_IY(byte op, ref ushort pc)
+ {
+ int reg;
+ int bit;
+
+ reg = (op % 8);
+ bit = (op - 0x80) / 8;
+
+ if (reg == 6)
+ Z80_Dis_Set("res", Z80_Dis_Printf("%d,%s", bit, IY_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("res", Z80_Dis_Printf("%d,%s[%s]", bit, IY_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+ private void DIS_SET_IY(byte op, ref ushort pc)
+ {
+ int reg;
+ int bit;
+
+ reg = (op % 8);
+ bit = (op - 0xc0) / 8;
+
+ if (reg == 6)
+ Z80_Dis_Set("set", Z80_Dis_Printf("%d,%s", bit, IY_RelStrCB(op, pc)));
+ else
+ Z80_Dis_Set("set", Z80_Dis_Printf("%d,%s[%s]", bit, IY_RelStrCB(op, pc), z80_dis_reg8[reg]));
+ }
+
+
+ /* ---------------------------------------- SINGLE BYTE OPCODES
+ */
+ private void DIS_NOP(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("nop", null);
+ }
+
+ private void DIS_LD_R16_WORD(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg16[(op & 0x30) / 0x10];
+ Z80_Dis_Set("ld", Z80_Dis_Printf("%s,$%.4x", reg, Z80_Dis_FetchWord(pc)));
+ }
+
+ private void DIS_LD_R16_A(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg16[(op & 0x30) / 0x10];
+ Z80_Dis_Set("ld", Z80_Dis_Printf("(%s),a", reg));
+ }
+
+ private void DIS_INC_R16(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg16[(op & 0x30) / 0x10];
+ Z80_Dis_Set("inc", reg);
+ }
+
+ private void DIS_INC_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[(op & 0x38) / 0x8];
+ Z80_Dis_Set("inc", reg);
+ }
+
+ private void DIS_DEC_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[(op & 0x38) / 0x8];
+ Z80_Dis_Set("dec", reg);
+ }
+
+ private void DIS_LD_R8_BYTE(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[(op & 0x38) / 0x8];
+ Z80_Dis_Set("ld", Z80_Dis_Printf("%s,$%.2x", reg, Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_RLCA(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("rlca", null);
+ }
+
+ private void DIS_EX_AF_AF(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ex", "af,af'");
+ }
+
+ private void DIS_ADD_HL_R16(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg16[(op & 0x30) / 0x10];
+ Z80_Dis_Set("add", Z80_Dis_Printf("hl,%s", reg));
+ }
+
+ private void DIS_LD_A_R16(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg16[(op & 0x30) / 0x10];
+ Z80_Dis_Set("ld", Z80_Dis_Printf("a,(%s)", reg));
+ }
+
+ private void DIS_DEC_R16(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg16[(op & 0x30) / 0x10];
+ Z80_Dis_Set("dec", reg);
+ }
+
+ private void DIS_RRCA(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("rrca", null);
+ }
+
+ private void DIS_DJNZ(byte op, ref ushort pc)
+ {
+ ushort n;
+
+ n = pc + (sbyte)memory.Read(pc) + 1;
+ pc++;
+ Z80_Dis_Set("djnz", Z80_Dis_Printf("$%.4x", n));
+ }
+
+ private void DIS_RLA(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("rla", null);
+ }
+
+ private void DIS_JR(byte op, ref ushort pc)
+ {
+ ushort n;
+
+ n = pc + (sbyte)memory.Read(pc) + 1;
+ pc++;
+ Z80_Dis_Set("jr", Z80_Dis_Printf("$%.4x", n));
+ }
+
+ private void DIS_RRA(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("rra", null);
+ }
+
+ private void DIS_JR_CO(byte op, ref ushort pc)
+ {
+ string con;
+ ushort n;
+
+ con = z80_dis_condition[(op - 0x20) / 8];
+ n = pc + (sbyte)memory.Read(pc) + 1;
+ pc++;
+ Z80_Dis_Set("jr", Z80_Dis_Printf("%s,$%.4x", con, n));
+ }
+
+ private void DIS_LD_ADDR_HL(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("($%.4x),hl", w));
+ }
+
+ private void DIS_DAA(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("daa", null);
+ }
+
+ private void DIS_LD_HL_ADDR(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("hl,($%.4x)", w));
+ }
+
+ private void DIS_CPL(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("cpl", null);
+ }
+
+ private void DIS_LD_ADDR_A(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("($%.4x),a", w));
+ }
+
+ private void DIS_SCF(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("scf", null);
+ }
+
+ private void DIS_LD_A_ADDR(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("ld", Z80_Dis_Printf("a,($%.4x)", w));
+ }
+
+ private void DIS_CCF(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ccf", null);
+ }
+
+ private void DIS_LD_R8_R8(byte op, ref ushort pc)
+ {
+ string src,dest;
+
+ dest=z80_dis_reg8[(op-0x40)/8];
+ src=z80_dis_reg8[op%8];
+ Z80_Dis_Set("ld",Z80_Dis_Printf("%s,%s",dest,src));
+ }
+
+ private void DIS_HALT(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("halt", null);
+ }
+
+ private void DIS_ADD_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("add", Z80_Dis_Printf("a,%s", reg));
+ }
+
+ private void DIS_ADC_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("adc", Z80_Dis_Printf("a,%s", reg));
+ }
+
+ private void DIS_SUB_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("sub", Z80_Dis_Printf("a,%s", reg));
+ }
+
+ private void DIS_SBC_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("sbc", Z80_Dis_Printf("a,%s", reg));
+ }
+
+ private void DIS_AND_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("and", Z80_Dis_Printf("%s", reg));
+ }
+
+ private void DIS_XOR_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("xor", Z80_Dis_Printf("%s", reg));
+ }
+
+ private void DIS_OR_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("or", Z80_Dis_Printf("%s", reg));
+ }
+
+ private void DIS_CP_R8(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg8[op % 8];
+ Z80_Dis_Set("cp", Z80_Dis_Printf("%s", reg));
+ }
+
+
+ private void DIS_RET_CO(byte op, ref ushort pc)
+ {
+ string con;
+
+ con = z80_dis_condition[(op - 0xc0) / 8];
+ Z80_Dis_Set("ret", con);
+ }
+
+ private void DIS_POP_R16(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg16[(op - 0xc0) / 16];
+
+ if (!strcmp(reg, "sp"))
+ reg = "af";
+
+ Z80_Dis_Set("pop", reg);
+ }
+
+ private void DIS_JP(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("jp", Z80_Dis_Printf("$%.4x", w));
+ }
+
+ private void DIS_PUSH_R16(byte op, ref ushort pc)
+ {
+ string reg;
+
+ reg = z80_dis_reg16[(op - 0xc0) / 16];
+
+ if (!strcmp(reg, "sp"))
+ reg = "af";
+
+ Z80_Dis_Set("push", reg);
+ }
+
+ private void DIS_ADD_A_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("add", Z80_Dis_Printf("a,$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_RST(byte op, ref ushort pc)
+ {
+ int add;
+
+ add = (op & 0x3f) - 7;
+ Z80_Dis_Set("rst", Z80_Dis_Printf("%.2xh", add));
+ }
+
+ private void DIS_RET(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ret", null);
+ }
+
+ private void DIS_JP_CO(byte op, ref ushort pc)
+ {
+ string con;
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ con = z80_dis_condition[(op - 0xc0) / 8];
+ Z80_Dis_Set("jp", Z80_Dis_Printf("%s,$%.4x", con, w));
+ }
+
+ private void DIS_CB_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ nop = Z80_Dis_FetchByte(pc);
+ dis_CB_opcode[nop](nop, pc);
+ }
+
+ private void DIS_CALL_CO(byte op, ref ushort pc)
+ {
+ string con;
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ con = z80_dis_condition[(op - 0xc0) / 8];
+ Z80_Dis_Set("call", Z80_Dis_Printf("%s,$%.4x", con, w));
+ }
+
+ private void DIS_CALL(byte op, ref ushort pc)
+ {
+ ushort w;
+
+ w = Z80_Dis_FetchWord(pc);
+ Z80_Dis_Set("call", Z80_Dis_Printf("$%.4x", w));
+ }
+
+ private void DIS_ADC_A_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("adc", Z80_Dis_Printf("a,$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_OUT_BYTE_A(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("out", Z80_Dis_Printf("($%.2x),a", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_SUB_A_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("sub", Z80_Dis_Printf("a,$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_EXX(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("exx", null);
+ }
+
+ private void DIS_IN_A_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("in", Z80_Dis_Printf("a,($%.2x)", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_DD_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ nop = Z80_Dis_FetchByte(pc);
+ dis_DD_opcode[nop](nop, pc);
+ }
+
+ private void DIS_SBC_A_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("sbc", Z80_Dis_Printf("a,$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+
+ private void DIS_EX_ISP_HL(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ex", "(sp),hl");
+ }
+
+ private void DIS_AND_A_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("and", Z80_Dis_Printf("$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_JP_HL(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("jp", "(hl)");
+ }
+
+ private void DIS_EX_DE_HL(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ex", "de,hl");
+ }
+
+ private void DIS_ED_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ nop = Z80_Dis_FetchByte(pc);
+ dis_ED_opcode[nop](nop, pc);
+ }
+
+ private void DIS_XOR_A_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("xor", Z80_Dis_Printf("$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_DI(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("di", null);
+ }
+
+ private void DIS_OR_A_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("or", Z80_Dis_Printf("$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+ private void DIS_LD_SP_HL(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ld", "sp,hl");
+ }
+
+ private void DIS_EI(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("ei", null);
+ }
+
+ private void DIS_FD_DECODE(byte op, ref ushort pc)
+ {
+ int nop;
+
+ nop = Z80_Dis_FetchByte(pc);
+ dis_FD_opcode[nop](nop, pc);
+ }
+
+ private void DIS_CP_A_BYTE(byte op, ref ushort pc)
+ {
+ Z80_Dis_Set("cp", Z80_Dis_Printf("$%.2x", Z80_Dis_FetchByte(pc)));
+ }
+
+ #endregion
+
+ #region Constructors
+
+ public Z80Disassembler()
+ {
+ // Verify runtime
+ //
+ Register16.Verify();
+
+ // Setup function tables
+ //
+ dis_CB_opcode = new disassemble[0x100]
+ {
+ /* 0x00 - 0x03 */ DIS_RLC_R8, DIS_RLC_R8, DIS_RLC_R8, DIS_RLC_R8,
+ /* 0x04 - 0x07 */ DIS_RLC_R8, DIS_RLC_R8, DIS_RLC_R8, DIS_RLC_R8,
+ /* 0x08 - 0x0b */ DIS_RRC_R8, DIS_RRC_R8, DIS_RRC_R8, DIS_RRC_R8,
+ /* 0x0c - 0x0f */ DIS_RRC_R8, DIS_RRC_R8, DIS_RRC_R8, DIS_RRC_R8,
+
+ /* 0x10 - 0x13 */ DIS_RL_R8, DIS_RL_R8, DIS_RL_R8, DIS_RL_R8,
+ /* 0x14 - 0x17 */ DIS_RL_R8, DIS_RL_R8, DIS_RL_R8, DIS_RL_R8,
+ /* 0x18 - 0x1b */ DIS_RR_R8, DIS_RR_R8, DIS_RR_R8, DIS_RR_R8,
+ /* 0x1c - 0x1f */ DIS_RR_R8, DIS_RR_R8, DIS_RR_R8, DIS_RR_R8,
+
+ /* 0x20 - 0x23 */ DIS_SLA_R8, DIS_SLA_R8, DIS_SLA_R8, DIS_SLA_R8,
+ /* 0x24 - 0x27 */ DIS_SLA_R8, DIS_SLA_R8, DIS_SLA_R8, DIS_SLA_R8,
+ /* 0x28 - 0x2b */ DIS_SRA_R8, DIS_SRA_R8, DIS_SRA_R8, DIS_SRA_R8,
+ /* 0x2c - 0x2f */ DIS_SRA_R8, DIS_SRA_R8, DIS_SRA_R8, DIS_SRA_R8,
+
+ /* 0x30 - 0x33 */ DIS_SLL_R8, DIS_SLL_R8, DIS_SLL_R8, DIS_SLL_R8,
+ /* 0x34 - 0x37 */ DIS_SLL_R8, DIS_SLL_R8, DIS_SLL_R8, DIS_SLL_R8,
+ /* 0x38 - 0x3b */ DIS_SRL_R8, DIS_SRL_R8, DIS_SRL_R8, DIS_SRL_R8,
+ /* 0x3c - 0x3f */ DIS_SRL_R8, DIS_SRL_R8, DIS_SRL_R8, DIS_SRL_R8,
+
+ /* 0x40 - 0x43 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x44 - 0x47 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x48 - 0x4b */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x4c - 0x4f */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+
+ /* 0x50 - 0x53 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x54 - 0x57 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x58 - 0x5b */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x5c - 0x5f */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+
+ /* 0x60 - 0x63 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x64 - 0x67 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x68 - 0x6b */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x6c - 0x6f */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+
+ /* 0x70 - 0x73 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x74 - 0x77 */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x78 - 0x7b */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+ /* 0x7c - 0x7f */ DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8, DIS_BIT_R8,
+
+ /* 0x80 - 0x83 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0x84 - 0x87 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0x88 - 0x8b */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0x8c - 0x8f */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+
+ /* 0x90 - 0x93 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0x94 - 0x97 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0x98 - 0x9b */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0x9c - 0x9f */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+
+ /* 0xa0 - 0xa3 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0xa4 - 0xa7 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0xa8 - 0xab */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0xac - 0xaf */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+
+ /* 0xb0 - 0xb3 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0xb4 - 0xb7 */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0xb8 - 0xbb */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+ /* 0xbc - 0xbf */ DIS_RES_R8, DIS_RES_R8, DIS_RES_R8, DIS_RES_R8,
+
+ /* 0xc0 - 0xc3 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xc4 - 0xc7 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xc8 - 0xcb */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xcc - 0xcf */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+
+ /* 0xd0 - 0xd3 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xd4 - 0xd7 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xd8 - 0xdb */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xdc - 0xdf */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+
+ /* 0xe0 - 0xe3 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xe4 - 0xe7 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xe8 - 0xeb */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xec - 0xef */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+
+ /* 0xf0 - 0xf3 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xf4 - 0xf7 */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xf8 - 0xfb */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ /* 0xfc - 0xff */ DIS_SET_R8, DIS_SET_R8, DIS_SET_R8, DIS_SET_R8,
+ };
+
+ /* DIS_DD opcodes
+ */
+ dis_DD_opcode = new disassemble[0x100]
+ {
+ /* 0x00 - 0x03 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x04 - 0x07 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x08 - 0x0b */ DIS_DD_NOP, DIS_ADD_IX_BC, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x0c - 0x0f */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+
+ /* 0x10 - 0x13 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x14 - 0x17 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x18 - 0x1b */ DIS_DD_NOP, DIS_ADD_IX_DE, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x1c - 0x1f */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+
+ /* 0x20 - 0x23 */ DIS_DD_NOP, DIS_LD_IX_WORD, DIS_LD_ADDR_IX, DIS_INC_IX,
+ /* 0x24 - 0x27 */ DIS_INC_IXH, DIS_DEC_IXH, DIS_LD_IXH_BYTE, DIS_DD_NOP,
+ /* 0x28 - 0x2b */ DIS_DD_NOP, DIS_ADD_IX_IX, DIS_LD_IX_ADDR, DIS_DEC_IX,
+ /* 0x2c - 0x2f */ DIS_INC_IXL, DIS_DEC_IXL, DIS_LD_IXL_BYTE, DIS_DD_NOP,
+
+ /* 0x30 - 0x33 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x34 - 0x37 */ DIS_INC_IIX, DIS_DEC_IIX, DIS_LD_IIX_BYTE, DIS_DD_NOP,
+ /* 0x38 - 0x3b */ DIS_DD_NOP, DIS_ADD_IX_SP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x3c - 0x3f */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+
+ /* 0x40 - 0x43 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x44 - 0x47 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP,
+ /* 0x48 - 0x4b */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x4c - 0x4f */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP,
+
+ /* 0x50 - 0x53 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x54 - 0x57 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP,
+ /* 0x58 - 0x5b */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x5c - 0x5f */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP,
+
+ /* 0x60 - 0x63 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8,
+ /* 0x64 - 0x67 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8,
+ /* 0x68 - 0x6b */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8,
+ /* 0x6c - 0x6f */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8,
+
+ /* 0x70 - 0x73 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8,
+ /* 0x74 - 0x77 */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP, DIS_XLD_R8_R8,
+ /* 0x78 - 0x7b */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x7c - 0x7f */ DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_XLD_R8_R8, DIS_DD_NOP,
+
+ /* 0x80 - 0x83 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x84 - 0x87 */ DIS_XADD_R8, DIS_XADD_R8, DIS_XADD_R8, DIS_DD_NOP,
+ /* 0x88 - 0x8b */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x8c - 0x8f */ DIS_XADC_R8, DIS_XADC_R8, DIS_XADC_R8, DIS_DD_NOP,
+
+ /* 0x90 - 0x93 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x94 - 0x97 */ DIS_XSUB_R8, DIS_XSUB_R8, DIS_XSUB_R8, DIS_DD_NOP,
+ /* 0x98 - 0x9b */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0x9c - 0x9f */ DIS_XSBC_R8, DIS_XSBC_R8, DIS_XSBC_R8, DIS_DD_NOP,
+
+ /* 0xa0 - 0xa3 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xa4 - 0xa7 */ DIS_XAND_R8, DIS_XAND_R8, DIS_XAND_R8, DIS_DD_NOP,
+ /* 0xa8 - 0xab */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xac - 0xaf */ DIS_XXOR_R8, DIS_XXOR_R8, DIS_XXOR_R8, DIS_DD_NOP,
+
+ /* 0xb0 - 0xb3 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xb4 - 0xb7 */ DIS_X_OR_R8, DIS_X_OR_R8, DIS_X_OR_R8, DIS_DD_NOP,
+ /* 0xb8 - 0xbb */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xbc - 0xbf */ DIS_XCP_R8, DIS_XCP_R8, DIS_XCP_R8, DIS_DD_NOP,
+
+ /* 0xc0 - 0xc3 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xc4 - 0xc7 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xc8 - 0xcb */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_CB_DECODE,
+ /* 0xcc - 0xcf */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+
+ /* 0xd0 - 0xd3 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xd4 - 0xd7 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xd8 - 0xdb */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xdc - 0xdf */ DIS_DD_NOP, DIS_DD_DD_DECODE, DIS_DD_NOP, DIS_DD_NOP,
+
+ /* 0xe0 - 0xe3 */ DIS_DD_NOP, DIS_POP_IX, DIS_DD_NOP, DIS_EX_ISP_IX,
+ /* 0xe4 - 0xe7 */ DIS_DD_NOP, DIS_PUSH_IX, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xe8 - 0xeb */ DIS_DD_NOP, DIS_JP_IX, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xec - 0xef */ DIS_DD_NOP, DIS_DD_ED_DECODE, DIS_DD_NOP, DIS_DD_NOP,
+
+ /* 0xf0 - 0xf3 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xf4 - 0xf7 */ DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xf8 - 0xfb */ DIS_DD_NOP, DIS_LD_SP_IX, DIS_DD_NOP, DIS_DD_NOP,
+ /* 0xfc - 0xff */ DIS_DD_NOP, DIS_DD_FD_DECODE, DIS_DD_NOP, DIS_DD_NOP,
+ };
+
+
+ /* DIS_DD DIS_CB opcodes
+ */
+ dis_DD_CB_opcode = new disassemble[0x100]
+ {
+ /* 0x00 - 0x03 */ DIS_RLC_IX, DIS_RLC_IX, DIS_RLC_IX, DIS_RLC_IX,
+ /* 0x04 - 0x07 */ DIS_RLC_IX, DIS_RLC_IX, DIS_RLC_IX, DIS_RLC_IX,
+ /* 0x08 - 0x0b */ DIS_RRC_IX, DIS_RRC_IX, DIS_RRC_IX, DIS_RRC_IX,
+ /* 0x0c - 0x0f */ DIS_RRC_IX, DIS_RRC_IX, DIS_RRC_IX, DIS_RRC_IX,
+
+ /* 0x10 - 0x13 */ DIS_RL_IX, DIS_RL_IX, DIS_RL_IX, DIS_RL_IX,
+ /* 0x14 - 0x17 */ DIS_RL_IX, DIS_RL_IX, DIS_RL_IX, DIS_RL_IX,
+ /* 0x18 - 0x1b */ DIS_RR_IX, DIS_RR_IX, DIS_RR_IX, DIS_RR_IX,
+ /* 0x1c - 0x1f */ DIS_RR_IX, DIS_RR_IX, DIS_RR_IX, DIS_RR_IX,
+
+ /* 0x20 - 0x23 */ DIS_SLA_IX, DIS_SLA_IX, DIS_SLA_IX, DIS_SLA_IX,
+ /* 0x24 - 0x27 */ DIS_SLA_IX, DIS_SLA_IX, DIS_SLA_IX, DIS_SLA_IX,
+ /* 0x28 - 0x2b */ DIS_SRA_IX, DIS_SRA_IX, DIS_SRA_IX, DIS_SRA_IX,
+ /* 0x2c - 0x2f */ DIS_SRA_IX, DIS_SRA_IX, DIS_SRA_IX, DIS_SRA_IX,
+
+ /* 0x30 - 0x33 */ DIS_SLL_IX, DIS_SLL_IX, DIS_SLL_IX, DIS_SLL_IX,
+ /* 0x34 - 0x37 */ DIS_SLL_IX, DIS_SLL_IX, DIS_SLL_IX, DIS_SLL_IX,
+ /* 0x38 - 0x3b */ DIS_SRL_IX, DIS_SRL_IX, DIS_SRL_IX, DIS_SRL_IX,
+ /* 0x3c - 0x3f */ DIS_SRL_IX, DIS_SRL_IX, DIS_SRL_IX, DIS_SRL_IX,
+
+ /* 0x40 - 0x43 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x44 - 0x47 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x48 - 0x4b */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x4c - 0x4f */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+
+ /* 0x50 - 0x53 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x54 - 0x57 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x58 - 0x5b */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x5c - 0x5f */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+
+ /* 0x60 - 0x63 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x64 - 0x67 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x68 - 0x6b */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x6c - 0x6f */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+
+ /* 0x70 - 0x73 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x74 - 0x77 */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x78 - 0x7b */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+ /* 0x7c - 0x7f */ DIS_BIT_IX,DIS_BIT_IX, DIS_BIT_IX, DIS_BIT_IX,
+
+ /* 0x80 - 0x83 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0x84 - 0x87 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0x88 - 0x8b */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0x8c - 0x8f */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+
+ /* 0x90 - 0x93 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0x94 - 0x97 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0x98 - 0x9b */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0x9c - 0x9f */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+
+ /* 0xa0 - 0xa3 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0xa4 - 0xa7 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0xa8 - 0xab */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0xac - 0xaf */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+
+ /* 0xb0 - 0xb3 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0xb4 - 0xb7 */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0xb8 - 0xbb */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+ /* 0xbc - 0xbf */ DIS_RES_IX,DIS_RES_IX, DIS_RES_IX, DIS_RES_IX,
+
+ /* 0xc0 - 0xc3 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xc4 - 0xc7 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xc8 - 0xcb */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xcc - 0xcf */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+
+ /* 0xd0 - 0xd3 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xd4 - 0xd7 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xd8 - 0xdb */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xdc - 0xdf */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+
+ /* 0xe0 - 0xe3 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xe4 - 0xe7 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xe8 - 0xeb */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xec - 0xef */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+
+ /* 0xf0 - 0xf3 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xf4 - 0xf7 */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xf8 - 0xfb */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ /* 0xfc - 0xff */ DIS_SET_IX,DIS_SET_IX, DIS_SET_IX, DIS_SET_IX,
+ };
+
+ /* DIS_ED opcodes
+ */
+ dis_ED_opcode = new disassemble[0x100]
+ {
+ /* 0x00 - 0x03 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x04 - 0x07 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x08 - 0x0b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x0c - 0x0f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+ /* 0x10 - 0x13 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x14 - 0x17 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x18 - 0x1b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x1c - 0x1f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+ /* 0x20 - 0x23 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x24 - 0x27 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x28 - 0x2b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x2c - 0x2f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+ /* 0x30 - 0x33 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x34 - 0x37 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x38 - 0x3b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x3c - 0x3f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+ /* 0x40 - 0x43 */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_SBC_HL_R16, DIS_ED_LD_ADDR_R16,
+ /* 0x44 - 0x47 */ DIS_NEG, DIS_RETN, DIS_IM_0, DIS_LD_I_A,
+ /* 0x48 - 0x4b */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_ADC_HL_R16, DIS_ED_LD_R16_ADDR,
+ /* 0x4c - 0x4f */ DIS_NEG, DIS_RETI, DIS_IM_0, DIS_LD_R_A,
+
+ /* 0x50 - 0x53 */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_SBC_HL_R16, DIS_ED_LD_ADDR_R16,
+ /* 0x54 - 0x57 */ DIS_NEG, DIS_RETN, DIS_IM_1, DIS_LD_A_I,
+ /* 0x58 - 0x5b */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_ADC_HL_R16, DIS_ED_LD_R16_ADDR,
+ /* 0x5c - 0x5f */ DIS_NEG, DIS_RETI, DIS_IM_2, DIS_LD_A_R,
+
+ /* 0x60 - 0x63 */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_SBC_HL_R16, DIS_ED_LD_ADDR_R16,
+ /* 0x64 - 0x67 */ DIS_NEG, DIS_RETN, DIS_IM_0, DIS_RRD,
+ /* 0x68 - 0x6b */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_ADC_HL_R16, DIS_ED_LD_R16_ADDR,
+ /* 0x6c - 0x6f */ DIS_NEG, DIS_RETI, DIS_IM_0, DIS_RLD,
+
+ /* 0x70 - 0x73 */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_SBC_HL_R16, DIS_ED_LD_ADDR_R16,
+ /* 0x74 - 0x77 */ DIS_NEG, DIS_RETN, DIS_IM_1, DIS_ED_NOP,
+ /* 0x78 - 0x7b */ DIS_IN_R8_C, DIS_OUT_C_R8, DIS_ADC_HL_R16, DIS_ED_LD_R16_ADDR,
+ /* 0x7c - 0x7f */ DIS_NEG, DIS_RETI, DIS_IM_2, DIS_ED_NOP,
+
+ /* 0x80 - 0x83 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x84 - 0x87 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x88 - 0x8b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x8c - 0x8f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+ /* 0x90 - 0x93 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x94 - 0x97 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x98 - 0x9b */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0x9c - 0x9f */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+ /* 0xa0 - 0xa3 */ DIS_LDI, DIS_CPI, DIS_INI, DIS_OUTI,
+ /* 0xa4 - 0xa7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xa8 - 0xab */ DIS_LDD, DIS_CPD, DIS_IND, DIS_OUTD,
+ /* 0xac - 0xaf */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+ /* 0xb0 - 0xb3 */ DIS_LDIR, DIS_CPIR, DIS_INIR, DIS_OTIR,
+ /* 0xb4 - 0xb7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xb8 - 0xbb */ DIS_LDDR, DIS_CPDR, DIS_INDR, DIS_OTDR,
+ /* 0xbc - 0xbf */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+ /* 0xc0 - 0xc3 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xc4 - 0xc7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xc8 - 0xcb */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xcc - 0xcf */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+ /* 0xd0 - 0xd3 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xd4 - 0xd7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xd8 - 0xdb */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xdc - 0xdf */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+ /* 0xe0 - 0xe3 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xe4 - 0xe7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xe8 - 0xeb */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xec - 0xef */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+
+ /* 0xf0 - 0xf3 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xf4 - 0xf7 */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xf8 - 0xfb */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ /* 0xfc - 0xff */ DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP, DIS_ED_NOP,
+ };
+
+ /* DIS_FD opcodes
+ */
+ dis_FD_opcode = new disassemble[0x100]
+ {
+ /* 0x00 - 0x03 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x04 - 0x07 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x08 - 0x0b */ DIS_FD_NOP, DIS_ADD_IY_BC, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x0c - 0x0f */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+
+ /* 0x10 - 0x13 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x14 - 0x17 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x18 - 0x1b */ DIS_FD_NOP, DIS_ADD_IY_DE, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x1c - 0x1f */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+
+ /* 0x20 - 0x23 */ DIS_FD_NOP, DIS_LD_IY_WORD, DIS_LD_ADDR_IY, DIS_INC_IY,
+ /* 0x24 - 0x27 */ DIS_INC_IYH, DIS_DEC_IYH, DIS_LD_IYH_BYTE, DIS_FD_NOP,
+ /* 0x28 - 0x2b */ DIS_FD_NOP, DIS_ADD_IY_IY, DIS_LD_IY_ADDR, DIS_DEC_IY,
+ /* 0x2c - 0x2f */ DIS_INC_IYL, DIS_DEC_IYL, DIS_LD_IYL_BYTE, DIS_FD_NOP,
+
+ /* 0x30 - 0x33 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x34 - 0x37 */ DIS_INC_IIY, DIS_DEC_IIY, DIS_LD_IIY_BYTE, DIS_FD_NOP,
+ /* 0x38 - 0x3b */ DIS_FD_NOP, DIS_ADD_IY_SP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x3c - 0x3f */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+
+ /* 0x40 - 0x43 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x44 - 0x47 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP,
+ /* 0x48 - 0x4b */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x4c - 0x4f */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP,
+
+ /* 0x50 - 0x53 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x54 - 0x57 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP,
+ /* 0x58 - 0x5b */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x5c - 0x5f */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP,
+
+ /* 0x60 - 0x63 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8,
+ /* 0x64 - 0x67 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8,
+ /* 0x68 - 0x6b */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8,
+ /* 0x6c - 0x6f */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8,
+
+ /* 0x70 - 0x73 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8,
+ /* 0x74 - 0x77 */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP, DIS_YLD_R8_R8,
+ /* 0x78 - 0x7b */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x7c - 0x7f */ DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_YLD_R8_R8, DIS_FD_NOP,
+
+ /* 0x80 - 0x83 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x84 - 0x87 */ DIS_YADD_R8, DIS_YADD_R8, DIS_YADD_R8, DIS_FD_NOP,
+ /* 0x88 - 0x8b */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x8c - 0x8f */ DIS_YADC_R8, DIS_YADC_R8, DIS_YADC_R8, DIS_FD_NOP,
+
+ /* 0x90 - 0x93 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x94 - 0x97 */ DIS_YSUB_R8, DIS_YSUB_R8, DIS_YSUB_R8, DIS_FD_NOP,
+ /* 0x98 - 0x9b */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0x9c - 0x9f */ DIS_YSBC_R8, DIS_YSBC_R8, DIS_YSBC_R8, DIS_FD_NOP,
+
+ /* 0xa0 - 0xa3 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xa4 - 0xa7 */ DIS_YAND_R8, DIS_YAND_R8, DIS_YAND_R8, DIS_FD_NOP,
+ /* 0xa8 - 0xab */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xac - 0xaf */ DIS_YYOR_R8, DIS_YYOR_R8, DIS_YYOR_R8, DIS_FD_NOP,
+
+ /* 0xb0 - 0xb3 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xb4 - 0xb7 */ DIS_Y_OR_R8, DIS_Y_OR_R8, DIS_Y_OR_R8, DIS_FD_NOP,
+ /* 0xb8 - 0xbb */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xbc - 0xbf */ DIS_YCP_R8, DIS_YCP_R8, DIS_YCP_R8, DIS_FD_NOP,
+
+ /* 0xc0 - 0xc3 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xc4 - 0xc7 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xc8 - 0xcb */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_CB_DECODE,
+ /* 0xcc - 0xcf */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+
+ /* 0xd0 - 0xd3 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xd4 - 0xd7 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xd8 - 0xdb */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xdc - 0xdf */ DIS_FD_NOP, DIS_FD_DD_DECODE, DIS_FD_NOP, DIS_FD_NOP,
+
+ /* 0xe0 - 0xe3 */ DIS_FD_NOP, DIS_POP_IY, DIS_FD_NOP, DIS_EY_ISP_IY,
+ /* 0xe4 - 0xe7 */ DIS_FD_NOP, DIS_PUSH_IY, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xe8 - 0xeb */ DIS_FD_NOP, DIS_JP_IY, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xec - 0xef */ DIS_FD_NOP, DIS_FD_ED_DECODE, DIS_FD_NOP, DIS_FD_NOP,
+
+ /* 0xf0 - 0xf3 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xf4 - 0xf7 */ DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xf8 - 0xfb */ DIS_FD_NOP, DIS_LD_SP_IY, DIS_FD_NOP, DIS_FD_NOP,
+ /* 0xfc - 0xff */ DIS_FD_NOP, DIS_FD_FD_DECODE, DIS_FD_NOP, DIS_FD_NOP,
+ };
+
+ /* DIS_FD DIS_CB opcodes
+ */
+ dis_FD_CB_opcode = new disassemble[0x100]
+ {
+ /* 0x00 - 0x03 */ DIS_RLC_IY, DIS_RLC_IY, DIS_RLC_IY, DIS_RLC_IY,
+ /* 0x04 - 0x07 */ DIS_RLC_IY, DIS_RLC_IY, DIS_RLC_IY, DIS_RLC_IY,
+ /* 0x08 - 0x0b */ DIS_RRC_IY, DIS_RRC_IY, DIS_RRC_IY, DIS_RRC_IY,
+ /* 0x0c - 0x0f */ DIS_RRC_IY, DIS_RRC_IY, DIS_RRC_IY, DIS_RRC_IY,
+
+ /* 0x10 - 0x13 */ DIS_RL_IY, DIS_RL_IY, DIS_RL_IY, DIS_RL_IY,
+ /* 0x14 - 0x17 */ DIS_RL_IY, DIS_RL_IY, DIS_RL_IY, DIS_RL_IY,
+ /* 0x18 - 0x1b */ DIS_RR_IY, DIS_RR_IY, DIS_RR_IY, DIS_RR_IY,
+ /* 0x1c - 0x1f */ DIS_RR_IY, DIS_RR_IY, DIS_RR_IY, DIS_RR_IY,
+
+ /* 0x20 - 0x23 */ DIS_SLA_IY, DIS_SLA_IY, DIS_SLA_IY, DIS_SLA_IY,
+ /* 0x24 - 0x27 */ DIS_SLA_IY, DIS_SLA_IY, DIS_SLA_IY, DIS_SLA_IY,
+ /* 0x28 - 0x2b */ DIS_SRA_IY, DIS_SRA_IY, DIS_SRA_IY, DIS_SRA_IY,
+ /* 0x2c - 0x2f */ DIS_SRA_IY, DIS_SRA_IY, DIS_SRA_IY, DIS_SRA_IY,
+
+ /* 0x30 - 0x33 */ DIS_SLL_IY, DIS_SLL_IY, DIS_SLL_IY, DIS_SLL_IY,
+ /* 0x34 - 0x37 */ DIS_SLL_IY, DIS_SLL_IY, DIS_SLL_IY, DIS_SLL_IY,
+ /* 0x38 - 0x3b */ DIS_SRL_IY, DIS_SRL_IY, DIS_SRL_IY, DIS_SRL_IY,
+ /* 0x3c - 0x3f */ DIS_SRL_IY, DIS_SRL_IY, DIS_SRL_IY, DIS_SRL_IY,
+
+ /* 0x40 - 0x43 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x44 - 0x47 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x48 - 0x4b */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x4c - 0x4f */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+
+ /* 0x50 - 0x53 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x54 - 0x57 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x58 - 0x5b */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x5c - 0x5f */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+
+ /* 0x60 - 0x63 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x64 - 0x67 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x68 - 0x6b */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x6c - 0x6f */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+
+ /* 0x70 - 0x73 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x74 - 0x77 */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x78 - 0x7b */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+ /* 0x7c - 0x7f */ DIS_BIT_IY,DIS_BIT_IY, DIS_BIT_IY, DIS_BIT_IY,
+
+ /* 0x80 - 0x83 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0x84 - 0x87 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0x88 - 0x8b */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0x8c - 0x8f */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+
+ /* 0x90 - 0x93 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0x94 - 0x97 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0x98 - 0x9b */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0x9c - 0x9f */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+
+ /* 0xa0 - 0xa3 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0xa4 - 0xa7 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0xa8 - 0xab */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0xac - 0xaf */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+
+ /* 0xb0 - 0xb3 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0xb4 - 0xb7 */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0xb8 - 0xbb */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+ /* 0xbc - 0xbf */ DIS_RES_IY,DIS_RES_IY, DIS_RES_IY, DIS_RES_IY,
+
+ /* 0xc0 - 0xc3 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xc4 - 0xc7 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xc8 - 0xcb */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xcc - 0xcf */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+
+ /* 0xd0 - 0xd3 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xd4 - 0xd7 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xd8 - 0xdb */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xdc - 0xdf */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+
+ /* 0xe0 - 0xe3 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xe4 - 0xe7 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xe8 - 0xeb */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xec - 0xef */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+
+ /* 0xf0 - 0xf3 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xf4 - 0xf7 */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xf8 - 0xfb */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ /* 0xfc - 0xff */ DIS_SET_IY,DIS_SET_IY, DIS_SET_IY, DIS_SET_IY,
+ };
+
+ /* DIS_First/single byte opcodes
+ */
+ dis_opcode_z80 = new disassemble[0x100]
+ {
+ /* 0x00 - 0x03 */ DIS_NOP, DIS_LD_R16_WORD, DIS_LD_R16_A, DIS_INC_R16,
+ /* 0x04 - 0x07 */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_RLCA,
+ /* 0x08 - 0x0b */ DIS_EX_AF_AF, DIS_ADD_HL_R16, DIS_LD_A_R16, DIS_DEC_R16,
+ /* 0x0c - 0x0f */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_RRCA,
+
+ /* 0x10 - 0x13 */ DIS_DJNZ, DIS_LD_R16_WORD, DIS_LD_R16_A, DIS_INC_R16,
+ /* 0x14 - 0x17 */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_RLA,
+ /* 0x18 - 0x1b */ DIS_JR, DIS_ADD_HL_R16, DIS_LD_A_R16, DIS_DEC_R16,
+ /* 0x1c - 0x1f */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_RRA,
+
+ /* 0x20 - 0x23 */ DIS_JR_CO, DIS_LD_R16_WORD, DIS_LD_ADDR_HL, DIS_INC_R16,
+ /* 0x24 - 0x27 */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_DAA,
+ /* 0x28 - 0x2b */ DIS_JR_CO, DIS_ADD_HL_R16, DIS_LD_HL_ADDR, DIS_DEC_R16,
+ /* 0x2c - 0x2f */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_CPL,
+
+ /* 0x30 - 0x33 */ DIS_JR_CO, DIS_LD_R16_WORD, DIS_LD_ADDR_A, DIS_INC_R16,
+ /* 0x34 - 0x37 */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_SCF,
+ /* 0x38 - 0x3b */ DIS_JR_CO, DIS_ADD_HL_R16, DIS_LD_A_ADDR, DIS_DEC_R16,
+ /* 0x3c - 0x3f */ DIS_INC_R8, DIS_DEC_R8, DIS_LD_R8_BYTE, DIS_CCF,
+
+ /* 0x40 - 0x43 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+ /* 0x44 - 0x47 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+ /* 0x48 - 0x4b */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+ /* 0x4c - 0x4f */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+
+ /* 0x50 - 0x53 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+ /* 0x54 - 0x57 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+ /* 0x58 - 0x5b */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+ /* 0x5c - 0x5f */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+
+ /* 0x60 - 0x63 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+ /* 0x64 - 0x67 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+ /* 0x68 - 0x6b */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+ /* 0x6c - 0x6f */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+
+ /* 0x70 - 0x73 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+ /* 0x74 - 0x77 */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_HALT, DIS_LD_R8_R8,
+ /* 0x78 - 0x7b */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+ /* 0x7c - 0x7f */ DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8, DIS_LD_R8_R8,
+
+ /* 0x80 - 0x83 */ DIS_ADD_R8, DIS_ADD_R8, DIS_ADD_R8, DIS_ADD_R8,
+ /* 0x84 - 0x87 */ DIS_ADD_R8, DIS_ADD_R8, DIS_ADD_R8, DIS_ADD_R8,
+ /* 0x88 - 0x8b */ DIS_ADC_R8, DIS_ADC_R8, DIS_ADC_R8, DIS_ADC_R8,
+ /* 0x8c - 0x8f */ DIS_ADC_R8, DIS_ADC_R8, DIS_ADC_R8, DIS_ADC_R8,
+
+ /* 0x90 - 0x93 */ DIS_SUB_R8, DIS_SUB_R8, DIS_SUB_R8, DIS_SUB_R8,
+ /* 0x94 - 0x97 */ DIS_SUB_R8, DIS_SUB_R8, DIS_SUB_R8, DIS_SUB_R8,
+ /* 0x98 - 0x9b */ DIS_SBC_R8, DIS_SBC_R8, DIS_SBC_R8, DIS_SBC_R8,
+ /* 0x9c - 0x9f */ DIS_SBC_R8, DIS_SBC_R8, DIS_SBC_R8, DIS_SBC_R8,
+
+ /* 0xa0 - 0xa3 */ DIS_AND_R8, DIS_AND_R8, DIS_AND_R8, DIS_AND_R8,
+ /* 0xa4 - 0xa7 */ DIS_AND_R8, DIS_AND_R8, DIS_AND_R8, DIS_AND_R8,
+ /* 0xa8 - 0xab */ DIS_XOR_R8, DIS_XOR_R8, DIS_XOR_R8, DIS_XOR_R8,
+ /* 0xac - 0xaf */ DIS_XOR_R8, DIS_XOR_R8, DIS_XOR_R8, DIS_XOR_R8,
+
+ /* 0xb0 - 0xb3 */ DIS_OR_R8, DIS_OR_R8, DIS_OR_R8, DIS_OR_R8,
+ /* 0xb4 - 0xb7 */ DIS_OR_R8, DIS_OR_R8, DIS_OR_R8, DIS_OR_R8,
+ /* 0xb8 - 0xbb */ DIS_CP_R8, DIS_CP_R8, DIS_CP_R8, DIS_CP_R8,
+ /* 0xbc - 0xbf */ DIS_CP_R8, DIS_CP_R8, DIS_CP_R8, DIS_CP_R8,
+
+ /* 0xc0 - 0xc3 */ DIS_RET_CO, DIS_POP_R16, DIS_JP_CO, DIS_JP,
+ /* 0xc4 - 0xc7 */ DIS_CALL_CO, DIS_PUSH_R16, DIS_ADD_A_BYTE, DIS_RST,
+ /* 0xc8 - 0xcb */ DIS_RET_CO, DIS_RET, DIS_JP_CO, DIS_CB_DECODE,
+ /* 0xcc - 0xcf */ DIS_CALL_CO, DIS_CALL, DIS_ADC_A_BYTE, DIS_RST,
+
+ /* 0xd0 - 0xd3 */ DIS_RET_CO, DIS_POP_R16, DIS_JP_CO, DIS_OUT_BYTE_A,
+ /* 0xd4 - 0xd7 */ DIS_CALL_CO, DIS_PUSH_R16, DIS_SUB_A_BYTE, DIS_RST,
+ /* 0xd8 - 0xdb */ DIS_RET_CO, DIS_EXX, DIS_JP_CO, DIS_IN_A_BYTE,
+ /* 0xdc - 0xdf */ DIS_CALL_CO, DIS_DD_DECODE, DIS_SBC_A_BYTE, DIS_RST,
+
+ /* 0xe0 - 0xe3 */ DIS_RET_CO, DIS_POP_R16, DIS_JP_CO, DIS_EX_ISP_HL,
+ /* 0xe4 - 0xe7 */ DIS_CALL_CO, DIS_PUSH_R16, DIS_AND_A_BYTE, DIS_RST,
+ /* 0xe8 - 0xeb */ DIS_RET_CO, DIS_JP_HL, DIS_JP_CO, DIS_EX_DE_HL,
+ /* 0xec - 0xef */ DIS_CALL_CO, DIS_ED_DECODE, DIS_XOR_A_BYTE, DIS_RST,
+
+ /* 0xf0 - 0xf3 */ DIS_RET_CO, DIS_POP_R16, DIS_JP_CO, DIS_DI,
+ /* 0xf4 - 0xf7 */ DIS_CALL_CO, DIS_PUSH_R16, DIS_OR_A_BYTE, DIS_RST,
+ /* 0xf8 - 0xfb */ DIS_RET_CO, DIS_LD_SP_HL, DIS_JP_CO, DIS_EI,
+ /* 0xfc - 0xff */ DIS_CALL_CO, DIS_FD_DECODE, DIS_CP_A_BYTE, DIS_RST,
+ };
+
+ }
+
+ #endregion
+
+ #region IDisassembler interface
+
+ public void Initialise(IMemory memory)
+ {
+ this.memory = memory;
+ }
+
+ public ushort Disassemble(ushort startAddress, out string address, out string opcode, out string hexdump)
+ {
+ address = String.Empty;
+ opcode = String.Empty;
+ hexdump = String.Empty;
+ Opcode = String.Empty;
+ Argument = String.Empty;
+
+ String.Format(address, "{0:X4}", address);
+
+ return startAddress;
+ }
+
+ #endregion
+ }
+}
diff --git a/src/Noddybox.Emulation.EightBit.Z80/Z80CpuBaseOpcodes.cs b/src/Noddybox.Emulation.EightBit.Z80/Z80CpuBaseOpcodes.cs index 24f8093..bc09ce2 100644 --- a/src/Noddybox.Emulation.EightBit.Z80/Z80CpuBaseOpcodes.cs +++ b/src/Noddybox.Emulation.EightBit.Z80/Z80CpuBaseOpcodes.cs @@ -269,7 +269,7 @@ namespace Noddybox.Emulation.EightBit.Z80 F |= Z80Flags.Carry;
}
- if ((reg ^ w ^ b) == 0x1000)
+ if (((reg ^ w ^ b) & 0x1000) == 0x1000)
{
F |= Z80Flags.HalfCarry;
}
@@ -501,7 +501,7 @@ namespace Noddybox.Emulation.EightBit.Z80 /// </summary>
private void RLCA()
{
- F = (F & Z80Flags.PV | Z80Flags.Sign | Z80Flags.Zero)
+ F = (F & (Z80Flags.PV | Z80Flags.Sign | Z80Flags.Zero))
| (Z80Flags)Binary.ShiftRight(A, 7);
A = (byte)(Binary.ShiftLeft(A, 1) | Binary.ShiftRight(A, 7));
@@ -515,7 +515,7 @@ namespace Noddybox.Emulation.EightBit.Z80 private void RLA()
{
byte carry = (byte)(F & Z80Flags.Carry);
- F = (F & Z80Flags.PV | Z80Flags.Sign | Z80Flags.Zero)
+ F = (F & (Z80Flags.PV | Z80Flags.Sign | Z80Flags.Zero))
| (Z80Flags)Binary.ShiftRight(A, 7);
A = (byte)(Binary.ShiftRight(A, 1) | carry);
F |= H35table[A];
diff --git a/src/Noddybox.Emulation.EightBit/IDisassembler.cs b/src/Noddybox.Emulation.EightBit/IDisassembler.cs new file mode 100644 index 0000000..fed7fee --- /dev/null +++ b/src/Noddybox.Emulation.EightBit/IDisassembler.cs @@ -0,0 +1,43 @@ +// This file is part of the Noddybox.Emulation C# suite.
+//
+// Noddybox.Emulation is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Noddybox.Emulation is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Noddybox.Emulation. If not, see <http://www.gnu.org/licenses/>.
+//
+// Copyright (c) 2012 Ian Cowburn
+//
+using System;
+
+namespace Noddybox.Emulation.EightBit
+{
+ /// <summary>
+ /// Defines an 8-bit disassembler.
+ /// </summary>
+ public interface IDisassembler
+ {
+ /// <summary>
+ /// Initialise the disaasembler to give it access to memory.
+ /// </summary>
+ /// <param name="memory">The memory to access.</param>
+ void Initialise(IMemory memory);
+
+ /// <summary>
+ /// Disassembles memory.
+ /// </summary>
+ /// <param name="startAddress">The address to start disassembling from.</param>
+ /// <param name="address">Contains a formated address.</param>
+ /// <param name="opcode">Contains the formatted opcode.</param>
+ /// <param name="hexdump">Contains a formatted string of the hex making up the opcode.</param>
+ /// <returns>The address after the last byte disassembled.</returns>
+ ushort Disassemble(ushort startAddress, out string address, out string opcode, out string hexdump);
+ }
+}
|