diff --git a/CpuCoreGenerator.sln b/CpuCoreGenerator.sln deleted file mode 100644 index 0cb6685d9f..0000000000 --- a/CpuCoreGenerator.sln +++ /dev/null @@ -1,20 +0,0 @@ - -Microsoft Visual Studio Solution File, Format Version 11.00 -# Visual Studio 2010 -Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CpuCoreGenerator", "CpuCoreGenerator\CpuCoreGenerator.csproj", "{ED25C59A-0A09-49ED-8CC1-9363576A83A7}" -EndProject -Global - GlobalSection(SolutionConfigurationPlatforms) = preSolution - Debug|Any CPU = Debug|Any CPU - Release|Any CPU = Release|Any CPU - EndGlobalSection - GlobalSection(ProjectConfigurationPlatforms) = postSolution - {ED25C59A-0A09-49ED-8CC1-9363576A83A7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU - {ED25C59A-0A09-49ED-8CC1-9363576A83A7}.Debug|Any CPU.Build.0 = Debug|Any CPU - {ED25C59A-0A09-49ED-8CC1-9363576A83A7}.Release|Any CPU.ActiveCfg = Release|Any CPU - {ED25C59A-0A09-49ED-8CC1-9363576A83A7}.Release|Any CPU.Build.0 = Release|Any CPU - EndGlobalSection - GlobalSection(SolutionProperties) = preSolution - HideSolutionNode = FALSE - EndGlobalSection -EndGlobal diff --git a/CpuCoreGenerator/CpuCoreGenerator.csproj b/CpuCoreGenerator/CpuCoreGenerator.csproj deleted file mode 100644 index 6c5159d7c8..0000000000 --- a/CpuCoreGenerator/CpuCoreGenerator.csproj +++ /dev/null @@ -1,93 +0,0 @@ - - - - Debug - AnyCPU - {ED25C59A-0A09-49ED-8CC1-9363576A83A7} - 9.0.21022 - 2.0 - Exe - false - CpuCoreGenerator - v4.0 - 512 - CpuCoreGenerator - - - 3.5 - - - publish\ - true - Disk - false - Foreground - 7 - Days - false - false - true - 0 - 1.0.0.%2a - false - false - true - - - true - full - false - bin\Debug\ - DEBUG;TRACE - prompt - 4 - AllRules.ruleset - - - pdbonly - true - bin\Release\ - TRACE - prompt - 4 - AllRules.ruleset - - - - - - - - - - - - - - - - - - - - - False - .NET Framework 3.5 SP1 Client Profile - false - - - False - .NET Framework 3.5 SP1 - true - - - False - Windows Installer 3.1 - true - - - - - - - \ No newline at end of file diff --git a/CpuCoreGenerator/HuC6280/CDL.cs b/CpuCoreGenerator/HuC6280/CDL.cs deleted file mode 100644 index 47356ddd04..0000000000 --- a/CpuCoreGenerator/HuC6280/CDL.cs +++ /dev/null @@ -1,177 +0,0 @@ -using System; -using System.Collections.Generic; -using System.Linq; -using System.Text; -using System.IO; - -namespace HuC6280 -{ - public partial class CoreGenerator - { - public void GenerateCDL(string file) - { - using (TextWriter w = new StreamWriter(file)) - { - w.WriteLine("using System;"); - w.WriteLine(); - w.WriteLine("// Do not modify this file directly! This is GENERATED code."); - w.WriteLine("// Please open the CpuCoreGenerator solution and make your modifications there."); - - w.WriteLine(); - w.WriteLine("namespace BizHawk.Emulation.Cores.Components.H6280"); - w.WriteLine("{"); - w.WriteLine("\tpublic partial class HuC6280"); - w.WriteLine("\t{"); - - w.WriteLine("\t\tvoid CDLOpcode()"); - w.WriteLine("\t\t{"); - w.WriteLine("\t\t\tbyte tmp8;"); - w.WriteLine("\t\t\tbyte opcode = ReadMemory(PC);"); - w.WriteLine("\t\t\tswitch (opcode)"); - w.WriteLine("\t\t\t{"); - for (int i = 0; i < 256; i++) - CDLOpcode(w, i); - w.WriteLine("\t\t\t}"); - w.WriteLine("\t\t}"); - - w.WriteLine("\t}"); - w.WriteLine("}"); - } - } - - void CDLOpcode(TextWriter w, int opcode) - { - // todo: T Flag - - var op = Opcodes[opcode]; - - if (op == null) - { - // nop - w.WriteLine("\t\t\t\tcase 0x{0:X2}: // {1}", opcode, "??"); - w.WriteLine("\t\t\t\t\tMarkCode(PC, 1);"); - w.WriteLine("\t\t\t\t\tbreak;"); - return; - } - - w.WriteLine("\t\t\t\tcase 0x{0:X2}: // {1}", opcode, op); - - w.WriteLine("\t\t\t\t\tMarkCode(PC, {0});", op.Size); - - switch (op.AddressMode) - { - case AddrMode.Implicit: - switch (op.Instruction) - { - case "PHA": // push - case "PHP": - case "PHX": - case "PHY": - w.WriteLine("\t\t\t\t\tMarkPush(1);"); - break; - case "PLA": // pop - case "PLP": - case "PLX": - case "PLY": - w.WriteLine("\t\t\t\t\tMarkPop(1);"); - break; - case "RTI": - w.WriteLine("\t\t\t\t\tMarkPop(3);"); - break; - case "RTS": - w.WriteLine("\t\t\t\t\tMarkPop(2);"); - break; - } - break; - case AddrMode.Accumulator: - break; - case AddrMode.Immediate: - break; - case AddrMode.ZeroPage: - w.WriteLine("\t\t\t\t\tMarkZP(ReadMemory((ushort)(PC + 1)));"); - break; - case AddrMode.ZeroPageX: - w.WriteLine("\t\t\t\t\tMarkZP(ReadMemory((ushort)(PC + 1)) + X);"); - break; - case AddrMode.ZeroPageY: - w.WriteLine("\t\t\t\t\tMarkZP(ReadMemory((ushort)(PC + 1)) + Y);"); - break; - case AddrMode.ZeroPageR: - w.WriteLine("\t\t\t\t\tMarkZP(ReadMemory((ushort)(PC + 1)));"); - break; - case AddrMode.Absolute: - w.WriteLine("\t\t\t\t\tMarkAddr(ReadWord((ushort)(PC + 1)));"); - break; - case AddrMode.AbsoluteX: - w.WriteLine("\t\t\t\t\tMarkAddr(ReadWord((ushort)(PC + 1)) + X);"); - break; - case AddrMode.AbsoluteY: - w.WriteLine("\t\t\t\t\tMarkAddr(ReadWord((ushort)(PC + 1)) + Y);"); - break; - case AddrMode.Indirect: - w.WriteLine("\t\t\t\t\ttmp8 = ReadMemory((ushort)(PC + 1));"); - w.WriteLine("\t\t\t\t\tMarkZPPtr(tmp8);"); - w.WriteLine("\t\t\t\t\tMarkIndirect(GetIndirect(tmp8));"); - break; - case AddrMode.IndirectX: - w.WriteLine("\t\t\t\t\ttmp8 = (byte)(ReadMemory((ushort)(PC + 1)) + X);"); - w.WriteLine("\t\t\t\t\tMarkZPPtr(tmp8);"); - w.WriteLine("\t\t\t\t\tMarkIndirect(GetIndirect(tmp8));"); - break; - case AddrMode.IndirectY: - w.WriteLine("\t\t\t\t\ttmp8 = ReadMemory((ushort)(PC + 1));"); - w.WriteLine("\t\t\t\t\tMarkZPPtr(tmp8);"); - w.WriteLine("\t\t\t\t\tMarkIndirect(GetIndirect(tmp8) + Y);"); - break; - case AddrMode.Relative: - break; - case AddrMode.BlockMove: - w.WriteLine("\t\t\t\t\tif (!InBlockTransfer)"); - w.WriteLine("\t\t\t\t\t{"); - w.WriteLine("\t\t\t\t\t\tMarkBTFrom(ReadWord((ushort)(PC + 1)));"); - w.WriteLine("\t\t\t\t\t\tMarkBTTo(ReadWord((ushort)(PC + 3)));"); - w.WriteLine("\t\t\t\t\t}"); - w.WriteLine("\t\t\t\t\telse"); - w.WriteLine("\t\t\t\t\t{"); - switch (op.Instruction) - { - case "TII": - case "TDD": - case "TIN": - w.WriteLine("\t\t\t\t\t\tMarkBTFrom(btFrom);"); - w.WriteLine("\t\t\t\t\t\tMarkBTTo(btTo);"); - break; - case "TIA": - w.WriteLine("\t\t\t\t\t\tMarkBTFrom(btFrom);"); - w.WriteLine("\t\t\t\t\t\tMarkBTTo(btTo+btAlternator);"); - break; - case "TAI": - w.WriteLine("\t\t\t\t\t\tMarkBTFrom(btFrom+btAlternator);"); - w.WriteLine("\t\t\t\t\t\tMarkBTTo(btTo);"); - break; - } - w.WriteLine("\t\t\t\t\t\t}"); - break; - case AddrMode.ImmZeroPage: - w.WriteLine("\t\t\t\t\tMarkZP(ReadMemory((ushort)(PC + 2)));"); - break; - case AddrMode.ImmZeroPageX: - w.WriteLine("\t\t\t\t\tMarkZP(ReadMemory((ushort)(PC + 2)) + X);"); - break; - case AddrMode.ImmAbsolute: - w.WriteLine("\t\t\t\t\tMarkAddr(ReadWord((ushort)(PC + 2)));"); - break; - case AddrMode.ImmAbsoluteX: - w.WriteLine("\t\t\t\t\tMarkAddr(ReadWord((ushort)(PC + 2)) + X);"); - break; - case AddrMode.AbsoluteIndirect: - w.WriteLine("\t\t\t\t\tMarkFptr(ReadWord((ushort)(PC + 1)));"); - break; - case AddrMode.AbsoluteIndirectX: - w.WriteLine("\t\t\t\t\tMarkFptr(ReadWord((ushort)(PC + 1)) + X);"); - break; - } - w.WriteLine("\t\t\t\t\tbreak;"); - } - } -} diff --git a/CpuCoreGenerator/HuC6280/CoreGenerator.cs b/CpuCoreGenerator/HuC6280/CoreGenerator.cs deleted file mode 100644 index 7f83b305aa..0000000000 --- a/CpuCoreGenerator/HuC6280/CoreGenerator.cs +++ /dev/null @@ -1,839 +0,0 @@ -using System; -using System.IO; - -namespace HuC6280 -{ - public enum AddrMode - { - Implicit, - Accumulator, - Immediate, - ZeroPage, - ZeroPageX, - ZeroPageY, - ZeroPageR, - Absolute, - AbsoluteX, - AbsoluteY, - AbsoluteIndirect, - AbsoluteIndirectX, - Indirect, - IndirectX, - IndirectY, - Relative, - BlockMove, - ImmZeroPage, - ImmZeroPageX, - ImmAbsolute, - ImmAbsoluteX - } - - public class OpcodeInfo - { - public string Instruction; - public AddrMode AddressMode; - public int Cycles; - - public int Size - { - get - { - switch (AddressMode) - { - case AddrMode.Implicit: return 1; - case AddrMode.Accumulator: return 1; - case AddrMode.Immediate: return 2; - case AddrMode.ZeroPage: return 2; - case AddrMode.ZeroPageX: return 2; - case AddrMode.ZeroPageY: return 2; - case AddrMode.ZeroPageR: return 3; - case AddrMode.Absolute: return 3; - case AddrMode.AbsoluteX: return 3; - case AddrMode.AbsoluteY: return 3; - case AddrMode.Indirect: return 2; - case AddrMode.IndirectX: return 2; - case AddrMode.IndirectY: return 2; - case AddrMode.Relative: return 2; - case AddrMode.BlockMove: return 7; - case AddrMode.ImmZeroPage: return 3; - case AddrMode.ImmZeroPageX:return 3; - case AddrMode.ImmAbsolute: return 4; - case AddrMode.ImmAbsoluteX:return 4; - case AddrMode.AbsoluteIndirect: return 3; - case AddrMode.AbsoluteIndirectX: return 3; - default: - return -1; - } - } - } - - public override string ToString() - { - switch (AddressMode) - { - case AddrMode.Implicit: return Instruction; - case AddrMode.Accumulator: return Instruction + " A"; - case AddrMode.Immediate: return Instruction + " #nn"; - case AddrMode.ZeroPage: return Instruction + " zp"; - case AddrMode.ZeroPageX: return Instruction + " zp,X"; - case AddrMode.ZeroPageY: return Instruction + " zp,Y"; - case AddrMode.Absolute: return Instruction + " addr"; - case AddrMode.AbsoluteX: return Instruction + " addr,X"; - case AddrMode.AbsoluteY: return Instruction + " addr,Y"; - case AddrMode.Indirect: return Instruction + " (addr)"; - case AddrMode.IndirectX: return Instruction + " (addr,X)"; - case AddrMode.IndirectY: return Instruction + " (addr),Y"; - case AddrMode.Relative: return Instruction + " +/-rel"; - case AddrMode.BlockMove: return Instruction + " src, dest, len"; - default: return Instruction; - } - } - } - - public partial class CoreGenerator - { - public OpcodeInfo[] Opcodes = new OpcodeInfo[256]; - - public void InitOpcodeTable() - { - // Add with Carry - Set(0x69, "ADC", AddrMode.Immediate, 2); - Set(0x65, "ADC", AddrMode.ZeroPage, 4); - Set(0x75, "ADC", AddrMode.ZeroPageX, 4); - Set(0x6D, "ADC", AddrMode.Absolute, 5); - Set(0x7D, "ADC", AddrMode.AbsoluteX, 5); - Set(0x79, "ADC", AddrMode.AbsoluteY, 5); - Set(0x72, "ADC", AddrMode.Indirect, 7); - Set(0x61, "ADC", AddrMode.IndirectX, 7); - Set(0x71, "ADC", AddrMode.IndirectY, 7); - - // AND - Set(0x29, "AND", AddrMode.Immediate, 2); - Set(0x25, "AND", AddrMode.ZeroPage, 4); - Set(0x35, "AND", AddrMode.ZeroPageX, 4); - Set(0x2D, "AND", AddrMode.Absolute, 5); - Set(0x3D, "AND", AddrMode.AbsoluteX, 5); - Set(0x39, "AND", AddrMode.AbsoluteY, 5); - Set(0x32, "AND", AddrMode.Indirect, 7); - Set(0x21, "AND", AddrMode.IndirectX, 7); - Set(0x31, "AND", AddrMode.IndirectY, 7); - - // Arithmatic Shift Left - Set(0x06, "ASL", AddrMode.ZeroPage, 6); - Set(0x16, "ASL", AddrMode.ZeroPageX, 6); - Set(0x0E, "ASL", AddrMode.Absolute, 7); - Set(0x1E, "ASL", AddrMode.AbsoluteX, 7); - Set(0x0A, "ASL", AddrMode.Accumulator, 2); - - // Branch on Bit Reset - Set(0x0F, "BBR0", AddrMode.ZeroPageR, 6); - Set(0x1F, "BBR1", AddrMode.ZeroPageR, 6); - Set(0x2F, "BBR2", AddrMode.ZeroPageR, 6); - Set(0x3F, "BBR3", AddrMode.ZeroPageR, 6); - Set(0x4F, "BBR4", AddrMode.ZeroPageR, 6); - Set(0x5F, "BBR5", AddrMode.ZeroPageR, 6); - Set(0x6F, "BBR6", AddrMode.ZeroPageR, 6); - Set(0x7F, "BBR7", AddrMode.ZeroPageR, 6); - - // Branch on Bit Set - Set(0x8F, "BBS0", AddrMode.ZeroPageR, 6); - Set(0x9F, "BBS1", AddrMode.ZeroPageR, 6); - Set(0xAF, "BBS2", AddrMode.ZeroPageR, 6); - Set(0xBF, "BBS3", AddrMode.ZeroPageR, 6); - Set(0xCF, "BBS4", AddrMode.ZeroPageR, 6); - Set(0xDF, "BBS5", AddrMode.ZeroPageR, 6); - Set(0xEF, "BBS6", AddrMode.ZeroPageR, 6); - Set(0xFF, "BBS7", AddrMode.ZeroPageR, 6); - - // BIT - Set(0x89, "BIT", AddrMode.Immediate, 2); - Set(0x24, "BIT", AddrMode.ZeroPage, 4); - Set(0x34, "BIT", AddrMode.ZeroPageX, 4); - Set(0x2C, "BIT", AddrMode.Absolute, 5); - Set(0x3C, "BIT", AddrMode.AbsoluteX, 5); - - // Branch instructions - Set(0x10, "BPL", AddrMode.Relative, 2); // Branch on Plus - Set(0x30, "BMI", AddrMode.Relative, 2); // Branch on Minus - Set(0x50, "BVC", AddrMode.Relative, 2); // Branch on Overflow Clear - Set(0x70, "BVS", AddrMode.Relative, 2); // Branch on Overflow Set - Set(0x90, "BCC", AddrMode.Relative, 2); // Branch on Carry Clear - Set(0xB0, "BCS", AddrMode.Relative, 2); // Branch on Carry Set - Set(0xD0, "BNE", AddrMode.Relative, 2); // Branch on Not Equal - Set(0xF0, "BEQ", AddrMode.Relative, 2); // Branch on Equal - Set(0x80, "BRA", AddrMode.Relative, 4); // Branch Always - Set(0x44, "BSR", AddrMode.Relative, 8); // Branch to Subroutine - - // CPU Break - Set(0x00, "BRK", AddrMode.Implicit, 8); - - // Compare accumulator - Set(0xC9, "CMP", AddrMode.Immediate, 2); - Set(0xC5, "CMP", AddrMode.ZeroPage, 4); - Set(0xD5, "CMP", AddrMode.ZeroPageX, 4); - Set(0xD2, "CMP", AddrMode.Indirect, 7); - Set(0xC1, "CMP", AddrMode.IndirectX, 7); - Set(0xD1, "CMP", AddrMode.IndirectY, 7); - Set(0xCD, "CMP", AddrMode.Absolute, 5); - Set(0xDD, "CMP", AddrMode.AbsoluteX, 5); - Set(0xD9, "CMP", AddrMode.AbsoluteY, 5); - - // Compare X register - Set(0xE0, "CPX", AddrMode.Immediate, 2); - Set(0xE4, "CPX", AddrMode.ZeroPage, 4); - Set(0xEC, "CPX", AddrMode.Absolute, 5); - - // Compare Y register - Set(0xC0, "CPY", AddrMode.Immediate, 2); - Set(0xC4, "CPY", AddrMode.ZeroPage, 4); - Set(0xCC, "CPY", AddrMode.Absolute, 5); - - // DEC - Set(0xC6, "DEC", AddrMode.ZeroPage, 6); - Set(0xD6, "DEC", AddrMode.ZeroPageX, 6); - Set(0xCE, "DEC", AddrMode.Absolute, 7); - Set(0xDE, "DEC", AddrMode.AbsoluteX, 7); - Set(0x3A, "DEC", AddrMode.Accumulator, 2); - - // Exclusive OR - Set(0x49, "EOR", AddrMode.Immediate, 2); - Set(0x45, "EOR", AddrMode.ZeroPage, 4); - Set(0x55, "EOR", AddrMode.ZeroPageX, 4); - Set(0x52, "EOR", AddrMode.Indirect, 7); - Set(0x41, "EOR", AddrMode.IndirectX, 7); - Set(0x51, "EOR", AddrMode.IndirectY, 7); - Set(0x4D, "EOR", AddrMode.Absolute, 5); - Set(0x5D, "EOR", AddrMode.AbsoluteX, 5); - Set(0x59, "EOR", AddrMode.AbsoluteY, 5); - - // Flag Instructions - Set(0x18, "CLC", AddrMode.Implicit, 2); // Clear Carry - Set(0x38, "SEC", AddrMode.Implicit, 2); // Set Carry - Set(0x58, "CLI", AddrMode.Implicit, 2); // Clear Interrupt - Set(0x78, "SEI", AddrMode.Implicit, 2); // Set Interrupt - Set(0xB8, "CLV", AddrMode.Implicit, 2); // Clear Overflow - Set(0xD8, "CLD", AddrMode.Implicit, 2); // Clear Decimal - Set(0xF8, "SED", AddrMode.Implicit, 2); // Set Decimal - Set(0xF4, "SET", AddrMode.Implicit, 2); // Set T flag - - // Additional clear instructions - Set(0x62, "CLA", AddrMode.Implicit, 2); - Set(0x82, "CLX", AddrMode.Implicit, 2); - Set(0xC2, "CLY", AddrMode.Implicit, 2); - - // INC - Set(0xE6, "INC", AddrMode.ZeroPage, 6); - Set(0xF6, "INC", AddrMode.ZeroPageX, 6); - Set(0xEE, "INC", AddrMode.Absolute, 7); - Set(0xFE, "INC", AddrMode.AbsoluteX, 7); - Set(0x1A, "INC", AddrMode.Accumulator, 2); - - // Jump - Set(0x4C, "JMP", AddrMode.Absolute, 4); - Set(0x6C, "JMP", AddrMode.AbsoluteIndirect, 7); - Set(0x7C, "JMP", AddrMode.AbsoluteIndirectX, 7); - - // Jump to Subroutine - Set(0x20, "JSR", AddrMode.Absolute, 7); - - // Load Accumulator - Set(0xA9, "LDA", AddrMode.Immediate, 2); - Set(0xA5, "LDA", AddrMode.ZeroPage, 4); - Set(0xB5, "LDA", AddrMode.ZeroPageX, 4); - Set(0xB2, "LDA", AddrMode.Indirect, 7); - Set(0xA1, "LDA", AddrMode.IndirectX, 7); - Set(0xB1, "LDA", AddrMode.IndirectY, 7); - Set(0xAD, "LDA", AddrMode.Absolute, 5); - Set(0xBD, "LDA", AddrMode.AbsoluteX, 5); - Set(0xB9, "LDA", AddrMode.AbsoluteY, 5); - - // Load X register - Set(0xA2, "LDX", AddrMode.Immediate, 2); - Set(0xA6, "LDX", AddrMode.ZeroPage, 4); - Set(0xB6, "LDX", AddrMode.ZeroPageY, 4); - Set(0xAE, "LDX", AddrMode.Absolute, 5); - Set(0xBE, "LDX", AddrMode.AbsoluteY, 5); - - // Load Y register - Set(0xA0, "LDY", AddrMode.Immediate, 2); - Set(0xA4, "LDY", AddrMode.ZeroPage, 4); - Set(0xB4, "LDY", AddrMode.ZeroPageX, 4); - Set(0xAC, "LDY", AddrMode.Absolute, 5); - Set(0xBC, "LDY", AddrMode.AbsoluteX, 5); - - // Logical Shift Right - Set(0x46, "LSR", AddrMode.ZeroPage, 6); - Set(0x56, "LSR", AddrMode.ZeroPageX, 6); - Set(0x4E, "LSR", AddrMode.Absolute, 7); - Set(0x5E, "LSR", AddrMode.AbsoluteX, 7); - Set(0x4A, "LSR", AddrMode.Accumulator, 2); - - // No Operation - Set(0xEA, "NOP", AddrMode.Implicit, 2); - - // Bitwise OR with Accumulator - Set(0x09, "ORA", AddrMode.Immediate, 2); - Set(0x05, "ORA", AddrMode.ZeroPage, 4); - Set(0x15, "ORA", AddrMode.ZeroPageX, 4); - Set(0x12, "ORA", AddrMode.Indirect, 7); - Set(0x01, "ORA", AddrMode.IndirectX, 7); - Set(0x11, "ORA", AddrMode.IndirectY, 7); - Set(0x0D, "ORA", AddrMode.Absolute, 5); - Set(0x1D, "ORA", AddrMode.AbsoluteX, 5); - Set(0x19, "ORA", AddrMode.AbsoluteY, 5); - - // Register instructions - Set(0xCA, "DEX", AddrMode.Implicit, 2); // DEC X - Set(0x88, "DEY", AddrMode.Implicit, 2); // DEC Y - Set(0xE8, "INX", AddrMode.Implicit, 2); // INC X - Set(0xC8, "INY", AddrMode.Implicit, 2); // INC Y - Set(0x22, "SAX", AddrMode.Implicit, 3); // Swap A and X - Set(0x42, "SAY", AddrMode.Implicit, 3); // Swap A and Y - Set(0x02, "SXY", AddrMode.Implicit, 3); // Swap X and Y - Set(0xAA, "TAX", AddrMode.Implicit, 2); // Transfer A to X - Set(0x8A, "TXA", AddrMode.Implicit, 2); // Transfer X to A - Set(0xA8, "TAY", AddrMode.Implicit, 2); // Transfer A to Y - Set(0x98, "TYA", AddrMode.Implicit, 2); // Transfer Y to A - - // Rotate Left - Set(0x26, "ROL", AddrMode.ZeroPage, 6); - Set(0x36, "ROL", AddrMode.ZeroPageX, 6); - Set(0x2E, "ROL", AddrMode.Absolute, 7); - Set(0x3E, "ROL", AddrMode.AbsoluteX, 7); - Set(0x2A, "ROL", AddrMode.Accumulator, 2); - - // Rotate Right - Set(0x66, "ROR", AddrMode.ZeroPage, 6); - Set(0x76, "ROR", AddrMode.ZeroPageX, 6); - Set(0x6E, "ROR", AddrMode.Absolute, 7); - Set(0x7E, "ROR", AddrMode.AbsoluteX, 7); - Set(0x6A, "ROR", AddrMode.Accumulator, 2); - - // Return from Interrupt - Set(0x40, "RTI", AddrMode.Implicit, 7); - - // Return from Subroutine - Set(0x60, "RTS", AddrMode.Implicit, 7); - - // Subtract with Carry - Set(0xE9, "SBC", AddrMode.Immediate, 2); - Set(0xE5, "SBC", AddrMode.ZeroPage, 4); - Set(0xF5, "SBC", AddrMode.ZeroPageX, 4); - Set(0xF2, "SBC", AddrMode.Indirect, 7); - Set(0xE1, "SBC", AddrMode.IndirectX, 7); - Set(0xF1, "SBC", AddrMode.IndirectY, 7); - Set(0xED, "SBC", AddrMode.Absolute, 5); - Set(0xFD, "SBC", AddrMode.AbsoluteX, 5); - Set(0xF9, "SBC", AddrMode.AbsoluteY, 5); - - // Store Accumulator - Set(0x85, "STA", AddrMode.ZeroPage, 4); - Set(0x95, "STA", AddrMode.ZeroPageX, 4); - Set(0x92, "STA", AddrMode.Indirect, 7); - Set(0x81, "STA", AddrMode.IndirectX, 7); - Set(0x91, "STA", AddrMode.IndirectY, 7); - Set(0x8D, "STA", AddrMode.Absolute, 5); - Set(0x9D, "STA", AddrMode.AbsoluteX, 5); - Set(0x99, "STA", AddrMode.AbsoluteY, 5); - - // Stack instructions - Set(0x9A, "TXS", AddrMode.Implicit, 2); // Transfer X to Stack - Set(0xBA, "TSX", AddrMode.Implicit, 2); // Transfer Stack to X - Set(0x48, "PHA", AddrMode.Implicit, 3); // Push A - Set(0x68, "PLA", AddrMode.Implicit, 4); // Pull A - Set(0x08, "PHP", AddrMode.Implicit, 3); // Push P - Set(0x28, "PLP", AddrMode.Implicit, 4); // Pull P - Set(0xDA, "PHX", AddrMode.Implicit, 3); // Push X - Set(0xFA, "PLX", AddrMode.Implicit, 4); // Pull X - Set(0x5A, "PHY", AddrMode.Implicit, 3); // Push Y - Set(0x7A, "PLY", AddrMode.Implicit, 4); // Pull Y - - // Store X register - Set(0x86, "STX", AddrMode.ZeroPage, 4); - Set(0x96, "STX", AddrMode.ZeroPageY, 4); - Set(0x8E, "STX", AddrMode.Absolute, 5); - - // Store Y register - Set(0x84, "STY", AddrMode.ZeroPage, 4); - Set(0x94, "STY", AddrMode.ZeroPageX, 4); - Set(0x8C, "STY", AddrMode.Absolute, 5); - - // Memory Paging Register instructions - Set(0x53, "TAM", AddrMode.Immediate, 5); - Set(0x43, "TMA", AddrMode.Immediate, 4); - - // VDC I/O instructions - Set(0x03, "ST0", AddrMode.Immediate, 4); - Set(0x13, "ST1", AddrMode.Immediate, 4); - Set(0x23, "ST2", AddrMode.Immediate, 4); - - // Store Memory To Zero - Set(0x64, "STZ", AddrMode.ZeroPage, 4); - Set(0x74, "STZ", AddrMode.ZeroPageX, 4); - Set(0x9C, "STZ", AddrMode.Absolute, 5); - Set(0x9E, "STZ", AddrMode.AbsoluteX, 5); - - // Reset Memory Bit i - Set(0x07, "RMB0", AddrMode.ZeroPage, 7); - Set(0x17, "RMB1", AddrMode.ZeroPage, 7); - Set(0x27, "RMB2", AddrMode.ZeroPage, 7); - Set(0x37, "RMB3", AddrMode.ZeroPage, 7); - Set(0x47, "RMB4", AddrMode.ZeroPage, 7); - Set(0x57, "RMB5", AddrMode.ZeroPage, 7); - Set(0x67, "RMB6", AddrMode.ZeroPage, 7); - Set(0x77, "RMB7", AddrMode.ZeroPage, 7); - - // Set Memory Bit i - Set(0x87, "SMB0", AddrMode.ZeroPage, 7); - Set(0x97, "SMB1", AddrMode.ZeroPage, 7); - Set(0xA7, "SMB2", AddrMode.ZeroPage, 7); - Set(0xB7, "SMB3", AddrMode.ZeroPage, 7); - Set(0xC7, "SMB4", AddrMode.ZeroPage, 7); - Set(0xD7, "SMB5", AddrMode.ZeroPage, 7); - Set(0xE7, "SMB6", AddrMode.ZeroPage, 7); - Set(0xF7, "SMB7", AddrMode.ZeroPage, 7); - - // Test and Reset Memory Bit Against Accumulator - Set(0x14, "TRB", AddrMode.ZeroPage, 6); - Set(0x1C, "TRB", AddrMode.Absolute, 7); - - // Test and Set Memory Bit Against Accumulator - Set(0x04, "TSB", AddrMode.ZeroPage, 6); - Set(0x0C, "TSB", AddrMode.Absolute, 7); - - // Test and Reset Memory Bits - Set(0x83, "TST", AddrMode.ImmZeroPage, 7); - Set(0xA3, "TST", AddrMode.ImmZeroPageX, 7); - Set(0x93, "TST", AddrMode.ImmAbsolute, 8); - Set(0xB3, "TST", AddrMode.ImmAbsoluteX, 8); - - // Cpu Speed instructions - Set(0xD4, "CSH", AddrMode.Implicit, 3); - Set(0x54, "CSL", AddrMode.Implicit, 3); - - // Block Memory Transfer instructions - Set(0xF3, "TAI", AddrMode.BlockMove, 17); // Transfer Alternate Increment - Set(0xE3, "TIA", AddrMode.BlockMove, 17); // Transfer Increment Alternate - Set(0x73, "TII", AddrMode.BlockMove, 17); // Transfer Increment Increment - Set(0xD3, "TIN", AddrMode.BlockMove, 17); // Transfer Increment None - Set(0xC3, "TDD", AddrMode.BlockMove, 17); // Transfer Decrement Decrement - } - - private void Set(byte value, string instr, AddrMode addressMode, int cycles) - { - var op = new OpcodeInfo(); - op.Instruction = instr; - op.AddressMode = addressMode; - op.Cycles = cycles; - if (Opcodes[value] != null) - throw new Exception("opcode " + value + " already assigned"); - Opcodes[value] = op; - } - - public void GenerateExecutor(string file) - { - var w = new StreamWriter(file, false); - w.WriteLine("using System;"); - w.WriteLine(); - w.WriteLine("// Do not modify this file directly! This is GENERATED code."); - w.WriteLine("// Please open the CpuCoreGenerator solution and make your modifications there."); - w.WriteLine(); - w.WriteLine("namespace BizHawk.Emulation.Cores.Components.H6280"); - w.WriteLine("{"); - w.WriteLine(" public partial class HuC6280"); - w.WriteLine(" {"); - w.WriteLine(" public bool Debug;"); - w.WriteLine(" public Action Logger;"); - w.WriteLine(); - w.WriteLine(" public void Execute(int cycles)"); - w.WriteLine(" {"); - w.WriteLine(" sbyte rel8;"); - w.WriteLine(" byte value8, temp8, source8;"); - w.WriteLine(" ushort value16, temp16;"); - w.WriteLine(" int temp, lo, hi;"); - w.WriteLine(); - w.WriteLine(" PendingCycles += cycles;"); - w.WriteLine(" while (PendingCycles > 0)"); - w.WriteLine(" {"); - w.WriteLine(" int lastCycles = PendingCycles;"); - w.WriteLine(); - w.WriteLine(" if (IRQ1Assert && FlagI == false && LagIFlag == false && (IRQControlByte & IRQ1Selector) == 0 && InBlockTransfer == false)"); - w.WriteLine(" {"); - w.WriteLine(" WriteMemory((ushort)(S-- + 0x2100), (byte)(PC >> 8));"); - w.WriteLine(" WriteMemory((ushort)(S-- + 0x2100), (byte)PC);"); - w.WriteLine(" WriteMemory((ushort)(S-- + 0x2100), (byte)(P & (~0x10)));"); - w.WriteLine(" FlagD = false;"); - w.WriteLine(" FlagI = true;"); - w.WriteLine(" PC = ReadWord(IRQ1Vector);"); - w.WriteLine(" PendingCycles -= 8;"); - w.WriteLine(" }"); - w.WriteLine(); - w.WriteLine(" if (TimerAssert && FlagI == false && LagIFlag == false && (IRQControlByte & TimerSelector) == 0 && InBlockTransfer == false)"); - w.WriteLine(" {"); - w.WriteLine(" WriteMemory((ushort)(S-- + 0x2100), (byte)(PC >> 8));"); - w.WriteLine(" WriteMemory((ushort)(S-- + 0x2100), (byte)PC);"); - w.WriteLine(" WriteMemory((ushort)(S-- + 0x2100), (byte)(P & (~0x10)));"); - w.WriteLine(" FlagD = false;"); - w.WriteLine(" FlagI = true;"); - w.WriteLine(" PC = ReadWord(TimerVector);"); - w.WriteLine(" PendingCycles -= 8;"); - w.WriteLine(" }"); - w.WriteLine(); - w.WriteLine(" if (IRQ2Assert && FlagI == false && LagIFlag == false && (IRQControlByte & IRQ2Selector) == 0 && InBlockTransfer == false)"); - w.WriteLine(" {"); - w.WriteLine(" WriteMemory((ushort)(S-- + 0x2100), (byte)(PC >> 8));"); - w.WriteLine(" WriteMemory((ushort)(S-- + 0x2100), (byte)PC);"); - w.WriteLine(" WriteMemory((ushort)(S-- + 0x2100), (byte)(P & (~0x10)));"); - w.WriteLine(" FlagD = false;"); - w.WriteLine(" FlagI = true;"); - w.WriteLine(" PC = ReadWord(IRQ2Vector);"); - w.WriteLine(" PendingCycles -= 8;"); - w.WriteLine(" }"); - w.WriteLine(); - w.WriteLine(" IRQControlByte = IRQNextControlByte;"); - w.WriteLine(" LagIFlag = FlagI;"); - w.WriteLine(); - w.WriteLine(" if (Debug) Logger(State());"); - w.WriteLine(" MemoryCallbacks.CallExecutes(PC);"); - w.WriteLine(" if (CDLLoggingActive) CDLOpcode();"); - w.WriteLine(); - w.WriteLine(" byte opcode = ReadMemory(PC++);"); - w.WriteLine(" switch (opcode)"); - w.WriteLine(" {"); - - for (int i = 0; i < 256; i++) - { - if (Opcodes[i] != null) - EmulateOpcode(w, i); - } - - w.WriteLine(" default:"); - w.WriteLine(" Console.WriteLine(\"Unhandled opcode: {0:X2}\", opcode);"); - w.WriteLine(" break;"); - w.WriteLine(" }"); - w.WriteLine(); - w.WriteLine(" P &= 0xDF; // Clear T flag"); - w.WriteLine(" AfterClearTFlag: // SET command jumps here"); - w.WriteLine(" int delta = lastCycles - PendingCycles;"); - w.WriteLine(" if (LowSpeed)"); - w.WriteLine(" {"); - w.WriteLine(" delta *= 4;"); - w.WriteLine(" PendingCycles = lastCycles - delta;"); - w.WriteLine(" }"); - w.WriteLine(" TotalExecutedCycles += delta;"); - w.WriteLine(); - w.WriteLine(" if (TimerEnabled)"); - w.WriteLine(" {"); - w.WriteLine(" TimerTickCounter += delta;"); - w.WriteLine(" while (TimerTickCounter >= 1024)"); - w.WriteLine(" {"); - w.WriteLine(" TimerValue--;"); - w.WriteLine(" TimerTickCounter -= 1024;"); - w.WriteLine(" if (TimerValue == 0xFF)"); - w.WriteLine(" {"); - w.WriteLine(" TimerValue = TimerReloadValue;"); - w.WriteLine(" TimerAssert = true;"); - w.WriteLine(" }"); - w.WriteLine(" }"); - w.WriteLine(" }"); - w.WriteLine(" ThinkAction(delta);"); - w.WriteLine(" }"); - w.WriteLine(" }"); - w.WriteLine(" }"); - w.WriteLine("}"); - w.Close(); - } - - const string Spaces = " "; - - private void EmulateOpcode(TextWriter w, int opcode) - { - var op = Opcodes[opcode]; - w.WriteLine(" case 0x{0:X2}: // {1}", opcode, op); - switch (op.Instruction) - { - case "ADC": ADC(op, w); break; - case "AND": AND(op, w); break; - case "ASL": ASL(op, w); break; - case "BBR0": BB(op, w, 0, false); break; - case "BBR1": BB(op, w, 1, false); break; - case "BBR2": BB(op, w, 2, false); break; - case "BBR3": BB(op, w, 3, false); break; - case "BBR4": BB(op, w, 4, false); break; - case "BBR5": BB(op, w, 5, false); break; - case "BBR6": BB(op, w, 6, false); break; - case "BBR7": BB(op, w, 7, false); break; - case "BBS0": BB(op, w, 0, true); break; - case "BBS1": BB(op, w, 1, true); break; - case "BBS2": BB(op, w, 2, true); break; - case "BBS3": BB(op, w, 3, true); break; - case "BBS4": BB(op, w, 4, true); break; - case "BBS5": BB(op, w, 5, true); break; - case "BBS6": BB(op, w, 6, true); break; - case "BBS7": BB(op, w, 7, true); break; - case "BCC": Branch(op, w, "C", false); break; - case "BCS": Branch(op, w, "C", true); break; - case "BEQ": Branch(op, w, "Z", true); break; - case "BIT": BIT(op, w); break; - case "BMI": Branch(op, w, "N", true); break; - case "BNE": Branch(op, w, "Z", false); break; - case "BPL": Branch(op, w, "N", false); break; - case "BRA": BRA(op, w); break; - case "BRK": BRK(op, w); break; - case "BSR": BSR(op, w); break; - case "BVC": Branch(op, w, "V", false); break; - case "BVS": Branch(op, w, "V", true); break; - case "CLA": CLreg(op, w, "A"); break; - case "CLC": CLC(op, w); break; - case "CLD": CLD(op, w); break; - case "CLI": CLI(op, w); break; - case "CLV": CLV(op, w); break; - case "CLX": CLreg(op, w, "X"); break; - case "CLY": CLreg(op, w, "Y"); break; - case "CMP": CMP_reg(op, w, "A"); break; - case "CPX": CMP_reg(op, w, "X"); break; - case "CPY": CMP_reg(op, w, "Y"); break; - case "CSH": CSH(op, w); break; - case "CSL": CSL(op, w); break; - case "DEC": DEC(op, w); break; - case "DEX": DEX(op, w); break; - case "DEY": DEY(op, w); break; - case "EOR": EOR(op, w); break; - case "INC": INC(op, w); break; - case "INX": INX(op, w); break; - case "INY": INY(op, w); break; - case "JMP": JMP(op, w); break; - case "JSR": JSR(op, w); break; - case "LDA": LDA(op, w); break; - case "LDX": LDX(op, w); break; - case "LDY": LDY(op, w); break; - case "LSR": LSR(op, w); break; - case "NOP": NOP(op, w); break; - case "ORA": ORA(op, w); break; - case "PHA": PushReg(op, w, "A"); break; - case "PHP": PushReg(op, w, "P"); break; - case "PHX": PushReg(op, w, "X"); break; - case "PHY": PushReg(op, w, "Y"); break; - case "PLA": PullReg(op, w, "A"); break; - case "PLP": PLP(op, w); break; - case "PLX": PullReg(op, w, "X"); break; - case "PLY": PullReg(op, w, "Y"); break; - case "ROL": ROL(op, w); break; - case "ROR": ROR(op, w); break; - case "RTI": RTI(op, w); break; - case "RTS": RTS(op, w); break; - case "SAX": SAX(op, w); break; - case "SAY": SAY(op, w); break; - case "SBC": SBC(op, w); break; - case "SEC": SEC(op, w); break; - case "SED": SED(op, w); break; - case "SEI": SEI(op, w); break; - case "SET": SET(op, w); break; - case "SXY": SXY(op, w); break; - case "ST0": ST0(op, w); break; - case "ST1": ST1(op, w); break; - case "ST2": ST2(op, w); break; - case "STA": STA(op, w); break; - case "STX": STX(op, w); break; - case "STY": STY(op, w); break; - case "STZ": STZ(op, w); break; - case "TAI": TAI(op, w); break; - case "TAM": TAM(op, w); break; - case "TAX": TAX(op, w); break; - case "TAY": TAY(op, w); break; - case "TDD": TDD(op, w); break; - case "TIA": TIA(op, w); break; - case "TII": TII(op, w); break; - case "TIN": TIN(op, w); break; - case "TMA": TMA(op, w); break; - case "TRB": TRB(op, w); break; - case "TSB": TSB(op, w); break; - case "TST": TST(op, w); break; - case "TSX": TSX(op, w); break; - case "TXA": TXA(op, w); break; - case "TYA": TYA(op, w); break; - case "TXS": TXS(op, w); break; - case "RMB0": RMB(op, w, 0); break; - case "RMB1": RMB(op, w, 1); break; - case "RMB2": RMB(op, w, 2); break; - case "RMB3": RMB(op, w, 3); break; - case "RMB4": RMB(op, w, 4); break; - case "RMB5": RMB(op, w, 5); break; - case "RMB6": RMB(op, w, 6); break; - case "RMB7": RMB(op, w, 7); break; - case "SMB0": SMB(op, w, 0); break; - case "SMB1": SMB(op, w, 1); break; - case "SMB2": SMB(op, w, 2); break; - case "SMB3": SMB(op, w, 3); break; - case "SMB4": SMB(op, w, 4); break; - case "SMB5": SMB(op, w, 5); break; - case "SMB6": SMB(op, w, 6); break; - case "SMB7": SMB(op, w, 7); break; - default: - w.WriteLine("throw new Exception(\"unsupported opcode {0:X2}\");",opcode); - break; - } - if (op.Instruction != "SET" && op.Instruction != "RTI" && op.Instruction != "PLP") - w.WriteLine(Spaces + "break;"); - } - - private void GetValue8(OpcodeInfo op, TextWriter w, string dest) - { - switch (op.AddressMode) - { - case AddrMode.Immediate: - w.WriteLine(Spaces + dest + " = ReadMemory(PC++);"); break; - case AddrMode.ImmZeroPage: - case AddrMode.ZeroPage: - w.WriteLine(Spaces + dest + " = ReadMemory((ushort)(ReadMemory(PC++)+0x2000));"); break; - case AddrMode.ImmZeroPageX: - case AddrMode.ZeroPageX: - w.WriteLine(Spaces + dest + " = ReadMemory((ushort)(((ReadMemory(PC++)+X)&0xFF)+0x2000));"); break; - case AddrMode.ZeroPageY: - w.WriteLine(Spaces + dest + " = ReadMemory((ushort)(((ReadMemory(PC++)+Y)&0xFF)+0x2000));"); break; - case AddrMode.ImmAbsolute: - case AddrMode.Absolute: - w.WriteLine(Spaces + dest + " = ReadMemory(ReadWord(PC)); PC += 2;"); break; - case AddrMode.ImmAbsoluteX: - case AddrMode.AbsoluteX: - w.WriteLine(Spaces + dest + " = ReadMemory((ushort)(ReadWord(PC)+X));"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.AbsoluteY: - w.WriteLine(Spaces + dest + " = ReadMemory((ushort)(ReadWord(PC)+Y));"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.Indirect: - w.WriteLine(Spaces + dest + " = ReadMemory(ReadWordPageWrap((ushort)(ReadMemory(PC++)+0x2000)));"); break; - case AddrMode.IndirectX: - w.WriteLine(Spaces + dest + " = ReadMemory(ReadWordPageWrap((ushort)((byte)(ReadMemory(PC++)+X)+0x2000)));"); break; - case AddrMode.IndirectY: - w.WriteLine(Spaces + "temp16 = ReadWordPageWrap((ushort)(ReadMemory(PC++)+0x2000));"); - w.WriteLine(Spaces + dest + " = ReadMemory((ushort)(temp16+Y));"); - break; - default: - throw new Exception("p"+op.Instruction); - } - } - - private void GetAddress(OpcodeInfo op, TextWriter w, string dest) - { - switch (op.AddressMode) - { - case AddrMode.ZeroPage: - w.WriteLine(Spaces + dest + " = (ushort)(ReadMemory(PC++)+0x2000);"); break; - case AddrMode.ZeroPageX: - w.WriteLine(Spaces + dest + " = (ushort)(((ReadMemory(PC++)+X)&0xFF)+0x2000);"); break; - case AddrMode.ZeroPageY: - w.WriteLine(Spaces + dest + " = (ushort)(((ReadMemory(PC++)+Y)&0xFF)+0x2000);"); break; - case AddrMode.Absolute: - w.WriteLine(Spaces + dest + " = ReadWord(PC); PC += 2;"); break; - case AddrMode.AbsoluteX: - w.WriteLine(Spaces + dest + " = (ushort)(ReadWord(PC)+X);"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.AbsoluteY: - w.WriteLine(Spaces + dest + " = (ushort)(ReadWord(PC)+Y);"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.Indirect: - w.WriteLine(Spaces + dest + " = ReadWordPageWrap((ushort)(ReadMemory(PC++)+0x2000));"); break; - case AddrMode.IndirectX: - w.WriteLine(Spaces + dest + " = ReadWordPageWrap((ushort)((byte)(ReadMemory(PC++)+X)+0x2000));"); break; - case AddrMode.IndirectY: - w.WriteLine(Spaces + "temp16 = ReadWordPageWrap((ushort)(ReadMemory(PC++)+0x2000));"); - w.WriteLine(Spaces + dest + " = (ushort)(temp16+Y);"); - break; - case AddrMode.Relative: - w.WriteLine(Spaces + "rel8 = (sbyte)ReadMemory(PC++);"); - w.WriteLine(Spaces + dest + " = (ushort)(PC+rel8);"); - break; - } - } - - public void GenerateDisassembler(string file) - { - var w = new StreamWriter(file, false); - w.WriteLine("using System;"); - w.WriteLine("namespace BizHawk.Emulation.Cores.Components.H6280"); - w.WriteLine(); - w.WriteLine("// Do not modify this file directly! This is GENERATED code."); - w.WriteLine("// Please open the CpuCoreGenerator solution and make your modifications there."); - w.WriteLine(); - w.WriteLine("{"); - w.WriteLine(" public partial class HuC6280"); - w.WriteLine(" {"); - w.WriteLine(" public string Disassemble(ushort pc, out int bytesToAdvance)"); - w.WriteLine(" {"); - w.WriteLine(" byte op = ReadMemory(pc);"); - w.WriteLine(" switch (op)"); - w.WriteLine(" {"); - - for (int i = 0; i < 256; i++) - { - if (Opcodes[i] != null) - DisassembleOpcode(w, i); - } - w.WriteLine(" }"); - w.WriteLine(" bytesToAdvance = 1;"); - w.WriteLine(" return \"???\";"); - w.WriteLine(" }"); - w.WriteLine(); - w.WriteLine(" // avoid slowing down the other disassembler"); - w.WriteLine(" public static string DisassembleExt(ushort pc, out int bytesToAdvance, Func ReadMemory, Func ReadWord)"); - w.WriteLine(" {"); - w.WriteLine(" byte op = ReadMemory(pc);"); - w.WriteLine(" switch (op)"); - w.WriteLine(" {"); - - for (int i = 0; i < 256; i++) - { - if (Opcodes[i] != null) - DisassembleOpcode(w, i); - } - w.WriteLine(" }"); - w.WriteLine(" bytesToAdvance = 1;"); - w.WriteLine(" return \"???\";"); - w.WriteLine(" }"); - w.WriteLine(" }"); - w.WriteLine("}"); - w.Close(); - } - - private void DisassembleOpcode(TextWriter w, int i) - { - var op = Opcodes[i]; - w.Write(" case 0x{0:X2}: ", i); - - string mstr; - switch (op.AddressMode) - { - case AddrMode.Implicit: mstr = "\"" + op.Instruction + "\""; break; - case AddrMode.Accumulator: mstr = "\"" + op.Instruction + " A\""; break; - case AddrMode.Immediate: mstr = "string.Format(\"" + op.Instruction + " #${0:X2}\", ReadMemory(++pc))"; break; - case AddrMode.ZeroPage: mstr = "string.Format(\"" + op.Instruction + " ${0:X2}\", ReadMemory(++pc))"; break; - case AddrMode.ZeroPageX: mstr = "string.Format(\"" + op.Instruction + " ${0:X2},X\", ReadMemory(++pc))"; break; - case AddrMode.ZeroPageY: mstr = "string.Format(\"" + op.Instruction + " ${0:X2},Y\", ReadMemory(++pc))"; break; - case AddrMode.ZeroPageR: mstr = "string.Format(\"" + op.Instruction + " ${0:X2},{1}\", ReadMemory(++pc), (sbyte)ReadMemory(++pc))"; break; - case AddrMode.Absolute: mstr = "string.Format(\"" + op.Instruction + " ${0:X4}\", ReadWord(++pc))"; break; - case AddrMode.AbsoluteX: mstr = "string.Format(\"" + op.Instruction + " ${0:X4},X\", ReadWord(++pc))"; break; - case AddrMode.AbsoluteY: mstr = "string.Format(\"" + op.Instruction + " ${0:X4},Y\", ReadWord(++pc))"; break; - case AddrMode.Indirect: mstr = "string.Format(\"" + op.Instruction + " (${0:X2})\", ReadMemory(++pc))"; break; - case AddrMode.IndirectX: mstr = "string.Format(\"" + op.Instruction + " (${0:X2},X)\", ReadMemory(++pc))"; break; - case AddrMode.IndirectY: mstr = "string.Format(\"" + op.Instruction + " (${0:X2}),Y\", ReadMemory(++pc))"; break; - case AddrMode.Relative: mstr = "string.Format(\"" + op.Instruction + " {0}\", (sbyte)ReadMemory(++pc))"; break; - case AddrMode.BlockMove: mstr = "string.Format(\"" + op.Instruction + " {0:X4},{1:X4},{2:X4}\", ReadWord((ushort)(pc+1)),ReadWord((ushort)(pc+3)),ReadWord((ushort)(pc+5)))"; break; - case AddrMode.ImmZeroPage: mstr = "string.Format(\"" + op.Instruction + " #${0:X2}, ${1:X2}\", ReadMemory(++pc), ReadMemory(++pc))"; break; - case AddrMode.ImmZeroPageX: mstr = "string.Format(\"" + op.Instruction + " #${0:X2}, ${1:X2},X\", ReadMemory(++pc), ReadMemory(++pc))"; break; - case AddrMode.ImmAbsolute: mstr = "string.Format(\"" + op.Instruction + " #${0:X2}, ${1:X4}\", ReadMemory(++pc), ReadWord(++pc))"; break; - case AddrMode.ImmAbsoluteX: mstr = "string.Format(\"" + op.Instruction + " #${0:X2}, ${1:X4},X\", ReadMemory(++pc), ReadWord(++pc))"; break; - case AddrMode.AbsoluteIndirect: mstr = "string.Format(\"" + op.Instruction + " (${0:X4})\", ReadWord(++pc))"; break; - case AddrMode.AbsoluteIndirectX: mstr = "string.Format(\"" + op.Instruction + " (${0:X4},X)\", ReadWord(++pc))"; break; - default: mstr = @"""?"""; break; - } - - w.Write("bytesToAdvance = {0}; ", op.Size); - w.WriteLine("return " + mstr + ";"); - } - } -} \ No newline at end of file diff --git a/CpuCoreGenerator/HuC6280/Instructions.cs b/CpuCoreGenerator/HuC6280/Instructions.cs deleted file mode 100644 index 8c9648e280..0000000000 --- a/CpuCoreGenerator/HuC6280/Instructions.cs +++ /dev/null @@ -1,815 +0,0 @@ -using System.IO; - -namespace HuC6280 -{ - public partial class CoreGenerator - { - private string SetNZ(string val) - { - return "P = (byte)((P & 0x7D) | TableNZ[" + val + "]);"; - } - - private void ADC(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "source8 = FlagT ? ReadMemory((ushort)(0x2000 + X)) : A;"); - w.WriteLine(); - w.WriteLine(Spaces + "if ((P & 0x08) != 0) {"); - w.WriteLine(Spaces + " lo = (source8 & 0x0F) + (value8 & 0x0F) + (FlagC ? 1 : 0);"); - w.WriteLine(Spaces + " hi = (source8 & 0xF0) + (value8 & 0xF0);"); - w.WriteLine(Spaces + " if (lo > 0x09) {"); - w.WriteLine(Spaces + " hi += 0x10;"); - w.WriteLine(Spaces + " lo += 0x06;"); - w.WriteLine(Spaces + " }"); - w.WriteLine(Spaces + " if (hi > 0x90) hi += 0x60;"); - w.WriteLine(Spaces + " FlagV = (~(source8^value8) & (source8^hi) & 0x80) != 0;"); - w.WriteLine(Spaces + " FlagC = (hi & 0xFF00) != 0;"); - w.WriteLine(Spaces + " source8 = (byte) ((lo & 0x0F) | (hi & 0xF0));"); - w.WriteLine(Spaces + " PendingCycles--;"); - w.WriteLine(Spaces + "} else {"); - w.WriteLine(Spaces + " temp = value8 + source8 + (FlagC ? 1 : 0);"); - w.WriteLine(Spaces + " FlagV = (~(source8 ^ value8) & (source8 ^ temp) & 0x80) != 0;"); - w.WriteLine(Spaces + " FlagC = temp > 0xFF;"); - w.WriteLine(Spaces + " source8 = (byte)temp;"); - w.WriteLine(Spaces + "}"); - - w.WriteLine(Spaces + "if (FlagT == false)"); - w.WriteLine(Spaces + " A = source8;"); - w.WriteLine(Spaces + "else { "); - w.WriteLine(Spaces + " WriteMemory((ushort)(0x2000 + X), source8);"); - w.WriteLine(Spaces + " PendingCycles -= 3;"); - w.WriteLine(Spaces + "}"); - w.WriteLine(Spaces + SetNZ("source8")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void AND(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "if (FlagT == false) { "); - w.WriteLine(Spaces + " A &= value8;"); - w.WriteLine(Spaces + " " + SetNZ("A")); - w.WriteLine(Spaces + " PendingCycles -= {0};", op.Cycles); - w.WriteLine(Spaces + "} else {"); - w.WriteLine(Spaces + " temp8 = ReadMemory((ushort)(0x2000 + X));"); - w.WriteLine(Spaces + " temp8 &= value8;"); - w.WriteLine(Spaces + " " + SetNZ("temp8")); - w.WriteLine(Spaces + " WriteMemory((ushort)(0x2000 + X), temp8);"); - w.WriteLine(Spaces + " PendingCycles -= {0};", op.Cycles + 3); - w.WriteLine(Spaces + "}"); - } - - private void ASL(OpcodeInfo op, TextWriter w) - { - if (op.AddressMode == AddrMode.Accumulator) - { - w.WriteLine(Spaces + "FlagC = (A & 0x80) != 0;"); - w.WriteLine(Spaces + "A = (byte) (A << 1);"); - w.WriteLine(Spaces + SetNZ("A")); - } - else - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "FlagC = (value8 & 0x80) != 0;"); - w.WriteLine(Spaces + "value8 = (byte)(value8 << 1);"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + SetNZ("value8")); - } - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void BB(OpcodeInfo op, TextWriter w, int bit, bool set) - { - string filter = ""; - switch (bit) - { - case 0: filter = "0x01"; break; - case 1: filter = "0x02"; break; - case 2: filter = "0x04"; break; - case 3: filter = "0x08"; break; - case 4: filter = "0x10"; break; - case 5: filter = "0x20"; break; - case 6: filter = "0x40"; break; - case 7: filter = "0x80"; break; - } - string cond = set ? "!=" : "=="; - - w.WriteLine(Spaces + "value8 = ReadMemory((ushort)(ReadMemory(PC++)+0x2000));"); - w.WriteLine(Spaces + "rel8 = (sbyte) ReadMemory(PC++);"); - w.WriteLine(Spaces + "if ((value8 & "+filter+") "+cond+" 0) {"); - w.WriteLine(Spaces + " PendingCycles -= 2;"); - w.WriteLine(Spaces + " PC = (ushort)(PC+rel8);"); - w.WriteLine(Spaces + "}"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void Branch(OpcodeInfo op, TextWriter w, string flag, bool cond) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "if (Flag" + flag + " == " + cond.ToString().ToLower() + ") {"); - w.WriteLine(Spaces + " PendingCycles -= 2;"); - w.WriteLine(Spaces + " PC = value16;"); - w.WriteLine(Spaces + "}"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void BRA(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "PC"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void BRK(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "Console.WriteLine(\"EXEC BRK\");"); - w.WriteLine(Spaces + "PC++;"); - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x2100), (byte)(PC >> 8));"); - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x2100), (byte)PC);"); - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x2100), (byte)(P & (~0x10)));"); - w.WriteLine(Spaces + "FlagT = false;"); - w.WriteLine(Spaces + "FlagB = true;"); - w.WriteLine(Spaces + "FlagD = false;"); - w.WriteLine(Spaces + "FlagI = true;"); - w.WriteLine(Spaces + "PC = ReadWord(IRQ2Vector);"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void BSR(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "temp16 = (ushort)(PC-1);"); - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x2100), (byte)(temp16 >> 8));"); - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x2100), (byte)temp16);"); - w.WriteLine(Spaces + "PC = value16;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void BIT(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "FlagN = (value8 & 0x80) != 0;"); - w.WriteLine(Spaces + "FlagV = (value8 & 0x40) != 0;"); - w.WriteLine(Spaces + "FlagZ = (A & value8) == 0;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void CLC(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagC = false;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void CLD(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagD = false;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void CLI(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagI = false;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void CLV(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagV = false;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void CLreg(OpcodeInfo op, TextWriter w, string reg) - { - w.WriteLine(Spaces + "{0} = 0;",reg); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void CMP_reg(OpcodeInfo op, TextWriter w, string reg) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "value16 = (ushort) (" + reg + " - value8);"); - w.WriteLine(Spaces + "FlagC = (" + reg + " >= value8);"); - w.WriteLine(Spaces + SetNZ("(byte)value16")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void CSH(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "LowSpeed = false;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void CSL(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "LowSpeed = true;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void DEC(OpcodeInfo op, TextWriter w) - { - if (op.AddressMode != AddrMode.Accumulator) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = (byte)(ReadMemory(value16) - 1);"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + SetNZ("value8")); - } else { - w.WriteLine(Spaces + SetNZ("--A")); - } - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void DEX(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + SetNZ("--X")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void DEY(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + SetNZ("--Y")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void EOR(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "if (FlagT == false) { "); - w.WriteLine(Spaces + " A ^= value8;"); - w.WriteLine(Spaces + " "+SetNZ("A")); - w.WriteLine(Spaces + " PendingCycles -= {0};", op.Cycles); - w.WriteLine(Spaces + "} else {"); - w.WriteLine(Spaces + " temp8 = ReadMemory((ushort)(0x2000 + X));"); - w.WriteLine(Spaces + " temp8 ^= value8;"); - w.WriteLine(Spaces + " " + SetNZ("temp8")); - w.WriteLine(Spaces + " WriteMemory((ushort)(0x2000 + X), temp8);"); - w.WriteLine(Spaces + " PendingCycles -= {0};", op.Cycles+3); - w.WriteLine(Spaces + "}"); - } - - private void INC(OpcodeInfo op, TextWriter w) - { - if (op.AddressMode != AddrMode.Accumulator) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = (byte)(ReadMemory(value16) + 1);"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + SetNZ("value8")); - } else { - w.WriteLine(Spaces + SetNZ("++A")); - } - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void INX(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + SetNZ("++X")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void INY(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + SetNZ("++Y")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void JMP(OpcodeInfo op, TextWriter w) - { - switch (op.AddressMode) - { - case AddrMode.Absolute: w.WriteLine(Spaces + "PC = ReadWord(PC);"); break; - case AddrMode.AbsoluteIndirect: w.WriteLine(Spaces + "PC = ReadWord(ReadWord(PC));"); break; - case AddrMode.AbsoluteIndirectX: w.WriteLine(Spaces + "PC = ReadWord((ushort)(ReadWord(PC)+X));"); break; - } - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void JSR(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "temp16 = (ushort)(PC+1);"); - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x2100), (byte)(temp16 >> 8));"); - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x2100), (byte)temp16);"); - w.WriteLine(Spaces + "PC = ReadWord(PC);"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void LDA(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "A"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void LDX(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "X"); - w.WriteLine(Spaces + SetNZ("X")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void LDY(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "Y"); - w.WriteLine(Spaces + SetNZ("Y")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void LSR(OpcodeInfo op, TextWriter w) - { - if (op.AddressMode == AddrMode.Accumulator) - { - w.WriteLine(Spaces + "FlagC = (A & 1) != 0;"); - w.WriteLine(Spaces + "A = (byte) (A >> 1);"); - w.WriteLine(Spaces + SetNZ("A")); - } - else - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "FlagC = (value8 & 1) != 0;"); - w.WriteLine(Spaces + "value8 = (byte)(value8 >> 1);"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + SetNZ("value8")); - } - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void NOP(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void ORA(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - - w.WriteLine(Spaces + "if (FlagT == false)"); - w.WriteLine(Spaces + "{"); - w.WriteLine(Spaces + " A |= value8;"); - w.WriteLine(Spaces + " "+SetNZ("A")); - w.WriteLine(Spaces + " PendingCycles -= {0};", op.Cycles); - w.WriteLine(Spaces + "} else {"); - w.WriteLine(Spaces + " source8 = ReadMemory((ushort)(0x2000 + X));"); - w.WriteLine(Spaces + " source8 |= value8;"); - w.WriteLine(Spaces + " " + SetNZ("source8")); - w.WriteLine(Spaces + " WriteMemory((ushort)(0x2000 + X), source8);"); - w.WriteLine(Spaces + " PendingCycles -= {0};", op.Cycles+3); - w.WriteLine(Spaces + "}"); - } - - private void PushReg(OpcodeInfo op, TextWriter w, string reg) - { - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x2100), {0});", reg); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void PullReg(OpcodeInfo op, TextWriter w, string reg) - { - w.WriteLine(Spaces + "{0} = ReadMemory((ushort)(++S + 0x2100));", reg); - w.WriteLine(Spaces + SetNZ(reg)); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - - private void PLP(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "P = ReadMemory((ushort)(++S + 0x2100));"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - w.WriteLine(Spaces + "goto AfterClearTFlag;"); - } - - private void ROL(OpcodeInfo op, TextWriter w) - { - if (op.AddressMode == AddrMode.Accumulator) - { - w.WriteLine(Spaces + "temp8 = A;"); - w.WriteLine(Spaces + "A = (byte)((A << 1) | (P & 1));"); - w.WriteLine(Spaces + "FlagC = (temp8 & 0x80) != 0;"); - w.WriteLine(Spaces + SetNZ("A")); - } - else - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = temp8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "value8 = (byte)((value8 << 1) | (P & 1));"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + "FlagC = (temp8 & 0x80) != 0;"); - w.WriteLine(Spaces + SetNZ("value8")); - } - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void ROR(OpcodeInfo op, TextWriter w) - { - if (op.AddressMode == AddrMode.Accumulator) - { - w.WriteLine(Spaces + "temp8 = A;"); - w.WriteLine(Spaces + "A = (byte)((A >> 1) | ((P & 1)<<7));"); - w.WriteLine(Spaces + "FlagC = (temp8 & 1) != 0;"); - w.WriteLine(Spaces + SetNZ("A")); - } - else - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = temp8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "value8 = (byte)((value8 >> 1) | ((P & 1)<<7));"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + "FlagC = (temp8 & 1) != 0;"); - w.WriteLine(Spaces + SetNZ("value8")); - } - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void RTI(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "P = ReadMemory((ushort)(++S + 0x2100));"); - w.WriteLine(Spaces + "PC = ReadMemory((ushort)(++S + 0x2100));"); - w.WriteLine(Spaces + "PC |= (ushort)(ReadMemory((ushort)(++S + 0x2100)) << 8);"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - w.WriteLine(Spaces + "goto AfterClearTFlag;"); - } - - private void RTS(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "PC = ReadMemory((ushort)(++S + 0x2100));"); - w.WriteLine(Spaces + "PC |= (ushort)(ReadMemory((ushort)(++S + 0x2100)) << 8);"); - w.WriteLine(Spaces + "PC++;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void SAX(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "temp8 = A;"); - w.WriteLine(Spaces + "A = X;"); - w.WriteLine(Spaces + "X = temp8;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void SAY(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "temp8 = A;"); - w.WriteLine(Spaces + "A = Y;"); - w.WriteLine(Spaces + "Y = temp8;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void SXY(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "temp8 = X;"); - w.WriteLine(Spaces + "X = Y;"); - w.WriteLine(Spaces + "Y = temp8;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void SBC(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "temp = A - value8 - (FlagC ? 0 : 1);"); - w.WriteLine(Spaces + "if ((P & 0x08) != 0) {"); - w.WriteLine(Spaces + " lo = (A & 0x0F) - (value8 & 0x0F) - (FlagC ? 0 : 1);"); - w.WriteLine(Spaces + " hi = (A & 0xF0) - (value8 & 0xF0);"); - w.WriteLine(Spaces + " if ((lo & 0xF0) != 0) lo -= 0x06;"); - w.WriteLine(Spaces + " if ((lo & 0x80) != 0) hi -= 0x10;"); - w.WriteLine(Spaces + " if ((hi & 0x0F00) != 0) hi -= 0x60;"); - w.WriteLine(Spaces + " FlagV = ((A ^ value8) & (A ^ temp) & 0x80) != 0;"); - w.WriteLine(Spaces + " FlagC = (hi & 0xFF00) == 0;"); - w.WriteLine(Spaces + " A = (byte) ((lo & 0x0F) | (hi & 0xF0));"); - w.WriteLine(Spaces + " PendingCycles--;"); - w.WriteLine(Spaces + "} else {"); - w.WriteLine(Spaces + " FlagV = ((A ^ value8) & (A ^ temp) & 0x80) != 0;"); - w.WriteLine(Spaces + " FlagC = temp >= 0;"); - w.WriteLine(Spaces + " A = (byte)temp;"); - w.WriteLine(Spaces + "}"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void SEC(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagC = true;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void SED(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagD = true;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void SEI(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagI = true;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void SET(OpcodeInfo op, TextWriter w) - { - w.WriteLine(" int a; // TODO remove these extra checks"); // TODO remove these extra checks - w.WriteLine(" string b = Disassemble(PC, out a);"); - w.WriteLine(" if (b.StartsWith(\"ADC\") == false && b.StartsWith(\"EOR\") == false && b.StartsWith(\"AND\") == false && b.StartsWith(\"ORA\") == false)"); - w.WriteLine(" Console.WriteLine(\"SETTING T FLAG, NEXT INSTRUCTION IS UNHANDLED: {0}\", b);"); - w.WriteLine(Spaces + "FlagT = true;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - w.WriteLine(Spaces + "goto AfterClearTFlag;"); - } - - private void ST0(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "WriteVDC(0,value8);"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void ST1(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "WriteVDC(2,value8);"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void ST2(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "WriteVDC(3,value8);"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void STA(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "WriteMemory(value16, A);"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void STX(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "WriteMemory(value16, X);"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void STY(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "WriteMemory(value16, Y);"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void STZ(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "WriteMemory(value16, 0);"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void TAM(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "for (byte reg=0; reg<8; reg++)"); - w.WriteLine(Spaces + "{"); - w.WriteLine(Spaces + " if ((value8 & (1 << reg)) != 0)"); - w.WriteLine(Spaces + " MPR[reg] = A;"); - w.WriteLine(Spaces + "}"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void TAX(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "X = A;"); - w.WriteLine(Spaces + SetNZ("X")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void TAY(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "Y = A;"); - w.WriteLine(Spaces + SetNZ("Y")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void TMA(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + " if ((value8 & 0x01) != 0) A = MPR[0];"); - w.WriteLine(Spaces + "else if ((value8 & 0x02) != 0) A = MPR[1];"); - w.WriteLine(Spaces + "else if ((value8 & 0x04) != 0) A = MPR[2];"); - w.WriteLine(Spaces + "else if ((value8 & 0x08) != 0) A = MPR[3];"); - w.WriteLine(Spaces + "else if ((value8 & 0x10) != 0) A = MPR[4];"); - w.WriteLine(Spaces + "else if ((value8 & 0x20) != 0) A = MPR[5];"); - w.WriteLine(Spaces + "else if ((value8 & 0x40) != 0) A = MPR[6];"); - w.WriteLine(Spaces + "else if ((value8 & 0x80) != 0) A = MPR[7];"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void TRB(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "WriteMemory(value16, (byte)(value8 & ~A));"); - w.WriteLine(Spaces + "FlagN = (value8 & 0x80) != 0;"); - w.WriteLine(Spaces + "FlagV = (value8 & 0x40) != 0;"); - w.WriteLine(Spaces + "FlagZ = (A & value8) == 0;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void TSB(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "WriteMemory(value16, (byte)(value8 | A));"); - w.WriteLine(Spaces + "FlagN = (value8 & 0x80) != 0;"); - w.WriteLine(Spaces + "FlagV = (value8 & 0x40) != 0;"); - w.WriteLine(Spaces + "FlagZ = (A | value8) == 0;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void TST(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "value8 = ReadMemory(PC++);"); - GetValue8(op, w, "temp8"); - w.WriteLine(Spaces + "FlagN = (temp8 & 0x80) != 0;"); - w.WriteLine(Spaces + "FlagV = (temp8 & 0x40) != 0;"); - w.WriteLine(Spaces + "FlagZ = (temp8 & value8) == 0;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void TSX(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "X = S;"); - w.WriteLine(Spaces + SetNZ("X")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void TXA(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "A = X;"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void TXS(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "S = X;"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void TYA(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "A = Y;"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void RMB(OpcodeInfo op, TextWriter w, int bit) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "value8 &= 0x{0:X2};", (byte)(~(1 << bit))); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + "PendingCycles -= {0};", op.Cycles); - } - - private void SMB(OpcodeInfo op, TextWriter w, int bit) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "value8 |= 0x{0:X2};",(1< 0)"); - w.WriteLine(" {"); - w.WriteLine(" if (NMI)"); - w.WriteLine(" {"); - w.WriteLine(" TriggerException(ExceptionType.NMI);"); - w.WriteLine(" NMI = false;"); - w.WriteLine(" }"); - w.WriteLine(" if (IRQ && !FlagI)"); - w.WriteLine(" {"); - w.WriteLine(" if (SEI_Pending)"); - w.WriteLine(" FlagI = true;"); - w.WriteLine(" TriggerException(ExceptionType.IRQ);"); - w.WriteLine(" }"); - w.WriteLine(" if (CLI_Pending)"); - w.WriteLine(" {"); - w.WriteLine(" FlagI = false;"); - w.WriteLine(" CLI_Pending = false;"); - w.WriteLine(" }"); - w.WriteLine(" if (SEI_Pending)"); - w.WriteLine(" {"); - w.WriteLine(" FlagI = true;"); - w.WriteLine(" SEI_Pending = false;"); - w.WriteLine(" }"); - - w.WriteLine(" if(debug) Console.WriteLine(State());"); - w.WriteLine(""); - - w.WriteLine(" ushort this_pc = PC;"); - w.WriteLine(" byte opcode = ReadMemory(PC++);"); - w.WriteLine(" switch (opcode)"); - w.WriteLine(" {"); - - for (int i = 0; i < 256; i++) - { - if (Opcodes[i] != null) - { - EmulateOpcode(w, i); - } - } - - w.WriteLine(" default:"); - w.WriteLine(" if(throw_unhandled)"); - w.WriteLine(" throw new Exception(String.Format(\"Unhandled opcode: {0:X2}\", opcode));"); - w.WriteLine(" break;"); - w.WriteLine(" }"); - w.WriteLine(" }"); - w.WriteLine(" }"); - w.WriteLine(" }"); - w.WriteLine("}"); - w.Close(); - } - - const string Spaces = " "; - - private void EmulateOpcode(TextWriter w, int opcode) - { - var op = Opcodes[opcode]; - w.WriteLine(" case 0x{0:X2}: // {1}", opcode, op); - switch (op.Instruction) - { - case "ADC": ADC(op, w); break; - case "AND": AND(op, w); break; - case "ASL": ASL(op, w); break; - case "BCC": Branch(op, w, "C", false); break; - case "BCS": Branch(op, w, "C", true); break; - case "BEQ": Branch(op, w, "Z", true); break; - case "BIT": BIT(op, w); break; - case "BMI": Branch(op, w, "N", true); break; - case "BNE": Branch(op, w, "Z", false); break; - case "BPL": Branch(op, w, "N", false); break; - case "BRK": w.WriteLine(Spaces + "TriggerException(ExceptionType.BRK);"); break; - case "BVC": Branch(op, w, "V", false); break; - case "BVS": Branch(op, w, "V", true); break; - case "CLC": CLC(op, w); break; - case "CLD": CLD(op, w); break; - case "CLI": CLI(op, w); break; - case "CLV": CLV(op, w); break; - case "CMP": CMP_reg(op, w, "A"); break; - case "CPX": CMP_reg(op, w, "X"); break; - case "CPY": CMP_reg(op, w, "Y"); break; - case "DEC": DEC(op, w); break; - case "DEX": DEX(op, w); break; - case "DEY": DEY(op, w); break; - case "EOR": EOR(op, w); break; - case "INC": INC(op, w); break; - case "INX": INX(op, w); break; - case "INY": INY(op, w); break; - case "JMP": JMP(op, w); break; - case "JSR": JSR(op, w); break; - case "LDA": LDA(op, w); break; - case "LDX": LDX(op, w); break; - case "LDY": LDY(op, w); break; - case "LSR": LSR(op, w); break; - case "NOP": NOP(op, w); break; - case "ORA": ORA(op, w); break; - case "PHA": PHA(op, w); break; - case "PHP": PHP(op, w); break; - case "PLA": PLA(op, w); break; - case "PLP": PLP(op, w); break; - case "ROL": ROL(op, w); break; - case "ROR": ROR(op, w); break; - case "RTI": RTI(op, w); break; - case "RTS": RTS(op, w); break; - case "SBC": SBC(op, w); break; - case "SEC": SEC(op, w); break; - case "SED": SED(op, w); break; - case "SEI": SEI(op, w); break; - case "STA": STA(op, w); break; - case "STX": STX(op, w); break; - case "STY": STY(op, w); break; - case "TAX": TAX(op, w); break; - case "TAY": TAY(op, w); break; - case "TSX": TSX(op, w); break; - case "TXA": TXA(op, w); break; - case "TYA": TYA(op, w); break; - case "TXS": TXS(op, w); break; - } - w.WriteLine(Spaces+"break;"); - } - - private void GetValue8(OpcodeInfo op, TextWriter w, string dest) - { - switch (op.AddressMode) - { - case AddrMode.Immediate: - w.WriteLine(Spaces + dest + " = ReadMemory(PC++);"); break; - case AddrMode.ZeroPage: - w.WriteLine(Spaces + dest + " = ReadMemory(ReadMemory(PC++));"); break; - case AddrMode.ZeroPageX: - w.WriteLine(Spaces + dest + " = ReadMemory((byte)(ReadMemory(PC++)+X));"); break; - case AddrMode.ZeroPageY: - w.WriteLine(Spaces + dest + " = ReadMemory((byte)(ReadMemory(PC++)+Y));"); break; - case AddrMode.Absolute: - w.WriteLine(Spaces + dest + " = ReadMemory(ReadWord(PC)); PC += 2;"); break; - case AddrMode.AbsoluteX_P: - w.WriteLine(Spaces + "temp16 = ReadWord(PC);"); - w.WriteLine(Spaces + dest + " = ReadMemory((ushort)(temp16+X));"); - w.WriteLine(Spaces + "if ((temp16 & 0xFF00) != ((temp16 + X) & 0xFF00)) "); - w.WriteLine(Spaces + " { PendingCycles--; TotalExecutedCycles++; }"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.AbsoluteX: - w.WriteLine(Spaces + dest + " = ReadMemory((ushort)(ReadWord(PC)+X));"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.AbsoluteY_P: - w.WriteLine(Spaces + "temp16 = ReadWord(PC);"); - w.WriteLine(Spaces + dest + " = ReadMemory((ushort)(temp16+Y));"); - w.WriteLine(Spaces + "if ((temp16 & 0xFF00) != ((temp16 + Y) & 0xFF00)) "); - w.WriteLine(Spaces + " { PendingCycles--; TotalExecutedCycles++; }"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.AbsoluteY: - w.WriteLine(Spaces + dest + " = ReadMemory((ushort)(ReadWord(PC)+Y));"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.IndirectX: - w.WriteLine(Spaces + dest + " = ReadMemory(ReadWordPageWrap((byte)(ReadMemory(PC++)+X)));"); break; - case AddrMode.IndirectY: - w.WriteLine(Spaces + dest + " = ReadMemory(ReadWordPageWrap((byte)(ReadMemory(PC++)+Y)));"); break; - case AddrMode.IndirectY_P: - w.WriteLine(Spaces + "temp16 = ReadWordPageWrap(ReadMemory(PC++));"); - w.WriteLine(Spaces + dest + " = ReadMemory((ushort)(temp16+Y));"); - w.WriteLine(Spaces + "if ((temp16 & 0xFF00) != ((temp16+Y) & 0xFF00)) "); - w.WriteLine(Spaces + " { PendingCycles--; TotalExecutedCycles++; }"); - break; - } - } - - private void GetAddress(OpcodeInfo op, TextWriter w, string dest) - { - // TODO it APPEARS that the +1 opcode penalty applies to all AbsoluteX, AbsoluteY, and IndirectY - // but this is not completely clear. the doc has some exceptions, but are they real? - switch (op.AddressMode) - { - case AddrMode.ZeroPage: - w.WriteLine(Spaces + dest + " = ReadMemory(PC++);"); break; - case AddrMode.ZeroPageX: - w.WriteLine(Spaces + dest + " = (byte)(ReadMemory(PC++)+X);"); break; - case AddrMode.ZeroPageY: - w.WriteLine(Spaces + dest + " = (byte)(ReadMemory(PC++)+Y);"); break; - case AddrMode.Absolute: - w.WriteLine(Spaces + dest + " = ReadWord(PC); PC += 2;"); break; - case AddrMode.AbsoluteX: - w.WriteLine(Spaces + dest + " = (ushort)(ReadWord(PC)+X);"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.AbsoluteX_P: - w.WriteLine(Spaces + "temp16 = ReadWord(PC);"); - w.WriteLine(Spaces + dest + " = (ushort)(temp16+X);"); - w.WriteLine(Spaces + "if ((temp16 & 0xFF00) != ((temp16 + X) & 0xFF00)) "); - w.WriteLine(Spaces + " { PendingCycles--; TotalExecutedCycles++; }"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.AbsoluteY: - w.WriteLine(Spaces + dest + " = (ushort)(ReadWord(PC)+Y);"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.AbsoluteY_P: - w.WriteLine(Spaces + "temp16 = ReadWord(PC);"); - w.WriteLine(Spaces + dest + " = (ushort)(temp16+Y);"); - w.WriteLine(Spaces + "if ((temp16 & 0xFF00) != ((temp16 + Y) & 0xFF00)) "); - w.WriteLine(Spaces + " { PendingCycles--; TotalExecutedCycles++; }"); - w.WriteLine(Spaces + "PC += 2;"); - break; - case AddrMode.IndirectX: - w.WriteLine(Spaces + "temp8 = (byte)(ReadMemory(PC++) + X);"); - w.WriteLine(Spaces + dest + " = ReadWordPageWrap(temp8);"); - break; - case AddrMode.IndirectY: - w.WriteLine(Spaces + "temp16 = ReadWordPageWrap(ReadMemory(PC++));"); - w.WriteLine(Spaces + dest + " = (ushort)(temp16+Y);"); - break; - case AddrMode.IndirectY_P: - w.WriteLine(Spaces + "temp16 = ReadWordPageWrap(ReadMemory(PC++));"); - w.WriteLine(Spaces + dest + " = (ushort)(temp16+Y);"); - w.WriteLine(Spaces + "if ((temp16 & 0xFF00) != ((temp16+Y) & 0xFF00)) "); - w.WriteLine(Spaces + " { PendingCycles--; TotalExecutedCycles++; }"); - break; - case AddrMode.Relative: - w.WriteLine(Spaces + "rel8 = (sbyte)ReadMemory(PC++);"); - w.WriteLine(Spaces + dest +" = (ushort)(PC+rel8);"); - break; - } - } - - public void GenerateDisassembler(string file) - { - var w = new StreamWriter(file, false); - w.WriteLine("using System;"); - w.WriteLine(); - w.WriteLine("// Do not modify this file directly! This is GENERATED code."); - w.WriteLine("// Please open the CpuCoreGenerator solution and make your modifications there."); - w.WriteLine(); - w.WriteLine("namespace BizHawk.Emulation.Common.Components.M6502"); - w.WriteLine("{"); - w.WriteLine(" public partial class MOS6502"); - w.WriteLine(" {"); - w.WriteLine(" public string Disassemble(ushort pc, out int bytesToAdvance)"); - w.WriteLine(" {"); - w.WriteLine(" byte op = ReadMemory(pc);"); - w.WriteLine(" switch (op)"); - w.WriteLine(" {"); - - for (int i = 0; i < 256; i++) - { - if (Opcodes[i] != null) - DisassembleOpcode(w,i); - } - - w.WriteLine(" }"); - w.WriteLine(" bytesToAdvance = 1;"); - w.WriteLine(" return \"???\";"); - w.WriteLine(" }"); - w.WriteLine(" }"); - w.WriteLine("}"); - w.Close(); - } - - private void DisassembleOpcode(TextWriter w, int i) - { - var op = Opcodes[i]; - w.Write(" case 0x{0:X2}: ", i); - - string mstr; - switch (op.AddressMode) - { - case AddrMode.Implicit: mstr = "\""+op.Instruction+"\""; break; - case AddrMode.Accumulator: mstr = "\"" + op.Instruction + " A\""; break; - case AddrMode.Immediate: mstr = "string.Format(\""+op.Instruction+" #${0:X2}\", ReadMemory(++pc))"; break; - case AddrMode.ZeroPage: mstr = "string.Format(\"" + op.Instruction + " ${0:X2}\", ReadMemory(++pc))"; break; - case AddrMode.ZeroPageX: mstr = "string.Format(\"" + op.Instruction + " ${0:X2},X\", ReadMemory(++pc))"; break; - case AddrMode.ZeroPageY: mstr = "string.Format(\"" + op.Instruction + " ${0:X2},Y\", ReadMemory(++pc))"; break; - case AddrMode.Absolute: mstr = "string.Format(\"" + op.Instruction + " ${0:X4}\", ReadWord(++pc))"; break; - case AddrMode.AbsoluteX: mstr = "string.Format(\"" + op.Instruction + " ${0:X4},X\", ReadWord(++pc))"; break; - case AddrMode.AbsoluteX_P: mstr = "string.Format(\"" + op.Instruction + " ${0:X4},X *\", ReadWord(++pc))"; break; - case AddrMode.AbsoluteY: mstr = "string.Format(\"" + op.Instruction + " ${0:X4},Y\", ReadWord(++pc))"; break; - case AddrMode.AbsoluteY_P: mstr = "string.Format(\"" + op.Instruction + " ${0:X4},Y *\", ReadWord(++pc))"; break; - case AddrMode.Indirect: mstr = "string.Format(\"" + op.Instruction + " (${0:X4})\", ReadWord(++pc))"; break; - case AddrMode.IndirectX: mstr = "string.Format(\"" + op.Instruction + " (${0:X2},X)\", ReadMemory(++pc))"; break; - case AddrMode.IndirectY: mstr = "string.Format(\"" + op.Instruction + " (${0:X2}),Y\", ReadMemory(++pc))"; break; - case AddrMode.IndirectY_P: mstr = "string.Format(\"" + op.Instruction + " (${0:X2}),Y *\", ReadMemory(++pc))"; break; - case AddrMode.Relative: mstr = "string.Format(\"" + op.Instruction + " ${0:X4}\", pc+2+(sbyte)ReadMemory(++pc))"; break; - default: mstr = @"""?"""; break; - } - - // BRK is 2-byte, but it is rarely used. So I don't care about it. - w.Write("bytesToAdvance = {0}; ", op.Size); - w.WriteLine("return " + mstr + ";"); - } - } -} diff --git a/CpuCoreGenerator/MOS 6502/Instructions.cs b/CpuCoreGenerator/MOS 6502/Instructions.cs deleted file mode 100644 index 3f364eee28..0000000000 --- a/CpuCoreGenerator/MOS 6502/Instructions.cs +++ /dev/null @@ -1,417 +0,0 @@ -using System.IO; - -namespace M6502 -{ - public partial class CoreGenerator - { - private string SetNZ(string val) - { - return "P = (byte)((P & 0x7D) | TableNZ[" + val + "]);"; // NES version - //return "P = (byte)((P & 0x5D) | TableNZ[" + val + "]);"; // PCE version - } - - private void ADC(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "temp = value8 + A + (FlagC ? 1 : 0);"); - w.WriteLine(Spaces + "FlagV = (~(A ^ value8) & (A ^ temp) & 0x80) != 0;"); - w.WriteLine(Spaces + "FlagC = temp > 0xFF;"); - w.WriteLine(Spaces + "A = (byte)temp;"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void AND(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "A &= value8;"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void ASL(OpcodeInfo op, TextWriter w) - { - if (op.AddressMode == AddrMode.Accumulator) - { - w.WriteLine(Spaces + "FlagC = (A & 0x80) != 0;"); - w.WriteLine(Spaces + "A = (byte) (A << 1);"); - w.WriteLine(Spaces + SetNZ("A")); - } else { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "FlagC = (value8 & 0x80) != 0;"); - w.WriteLine(Spaces + "value8 = (byte)(value8 << 1);"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + SetNZ("value8")); - } - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void Branch(OpcodeInfo op, TextWriter w, string flag, bool cond) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "if (Flag"+flag+" == "+cond.ToString().ToLower()+") {"); - w.WriteLine(Spaces + " PendingCycles--; TotalExecutedCycles++;"); - w.WriteLine(Spaces + " if ((PC & 0xFF00) != (value16 & 0xFF00)) "); - w.WriteLine(Spaces + " { PendingCycles--; TotalExecutedCycles++; }"); - w.WriteLine(Spaces + " PC = value16;"); - w.WriteLine(Spaces + "}"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void BIT(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "FlagN = (value8 & 0x80) != 0;"); - w.WriteLine(Spaces + "FlagV = (value8 & 0x40) != 0;"); - w.WriteLine(Spaces + "FlagZ = (A & value8) == 0;"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void CLC(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagC = false;"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void CLD(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagD = false;"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void CLI(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "//FlagI = false;"); - w.WriteLine(Spaces + "CLI_Pending = true;"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void CLV(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagV = false;"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void CMP_reg(OpcodeInfo op, TextWriter w, string reg) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "value16 = (ushort) (" + reg + " - value8);"); - w.WriteLine(Spaces + "FlagC = (" + reg + " >= value8);"); - w.WriteLine(Spaces + SetNZ("(byte)value16")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void DEC(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = (byte)(ReadMemory(value16) - 1);"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + SetNZ("value8")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void DEX(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + SetNZ("--X")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void DEY(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + SetNZ("--Y")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void EOR(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "A ^= value8;"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void INC(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = (byte)(ReadMemory(value16) + 1);"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + SetNZ("value8")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void INX(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + SetNZ("++X")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void INY(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + SetNZ("++Y")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void JMP(OpcodeInfo op, TextWriter w) - { - switch (op.AddressMode) - { - case AddrMode.Absolute: w.WriteLine(Spaces+"PC = ReadWord(PC);"); break; - case AddrMode.Indirect: w.WriteLine(Spaces+"PC = ReadWordPageWrap(ReadWord(PC));"); break; - } - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void JSR(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "temp16 = (ushort)(PC+1);"); - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x100), (byte)(temp16 >> 8));"); - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x100), (byte)temp16);"); - w.WriteLine(Spaces + "PC = ReadWord(PC);"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void LDA(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "A"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void LDX(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "X"); - w.WriteLine(Spaces + SetNZ("X")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void LDY(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "Y"); - w.WriteLine(Spaces + SetNZ("Y")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void LSR(OpcodeInfo op, TextWriter w) - { - if (op.AddressMode == AddrMode.Accumulator) - { - w.WriteLine(Spaces + "FlagC = (A & 1) != 0;"); - w.WriteLine(Spaces + "A = (byte) (A >> 1);"); - w.WriteLine(Spaces + SetNZ("A")); - } else { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "FlagC = (value8 & 1) != 0;"); - w.WriteLine(Spaces + "value8 = (byte)(value8 >> 1);"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + SetNZ("value8")); - } - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void NOP(OpcodeInfo op, TextWriter w) - { - // This code is quite insufficient, but at least, we have to increment program counter appropriately. - // For immediate addressing mode, it will be correct, and it will fix desyncs of "Puzznic (J)" and "Puzznic (U)". - // For other addressing modes, I don't know whether they access memory, so further investigation will be needed. - if (op.Size > 1) - w.WriteLine(Spaces+"PC += {0};", op.Size-1); - w.WriteLine(Spaces+"PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void ORA(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "A |= value8;"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void PHA(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x100), A);"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void PHP(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagB = true; //why would it do this?? how weird"); - w.WriteLine(Spaces + "WriteMemory((ushort)(S-- + 0x100), P);"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void PLA(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "A = ReadMemory((ushort)(++S + 0x100));"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void PLP(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "//handle I flag differently. sort of a sloppy way to do the job, but it does finish it off."); - w.WriteLine(Spaces + "value8 = ReadMemory((ushort)(++S + 0x100));"); - w.WriteLine(Spaces + "if ((value8 & 0x04) != 0 && !FlagI)"); - w.WriteLine(Spaces + "\tSEI_Pending = true;"); - w.WriteLine(Spaces + "if ((value8 & 0x04) == 0 && FlagI)"); - w.WriteLine(Spaces + "\tCLI_Pending = true;"); - w.WriteLine(Spaces + "value8 &= unchecked((byte)~0x04);"); - w.WriteLine(Spaces + "P &= 0x04;"); - w.WriteLine(Spaces + "P |= value8;"); -w.WriteLine("FlagT = true;//this seems wrong");//this seems wrong - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void ROL(OpcodeInfo op, TextWriter w) - { - if (op.AddressMode == AddrMode.Accumulator) - { - w.WriteLine(Spaces + "temp8 = A;"); - w.WriteLine(Spaces + "A = (byte)((A << 1) | (P & 1));"); - w.WriteLine(Spaces + "FlagC = (temp8 & 0x80) != 0;"); - w.WriteLine(Spaces + SetNZ("A")); - } - else - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = temp8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "value8 = (byte)((value8 << 1) | (P & 1));"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + "FlagC = (temp8 & 0x80) != 0;"); - w.WriteLine(Spaces + SetNZ("value8")); - } - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void ROR(OpcodeInfo op, TextWriter w) - { - if (op.AddressMode == AddrMode.Accumulator) - { - w.WriteLine(Spaces + "temp8 = A;"); - w.WriteLine(Spaces + "A = (byte)((A >> 1) | ((P & 1)<<7));"); - w.WriteLine(Spaces + "FlagC = (temp8 & 1) != 0;"); - w.WriteLine(Spaces + SetNZ("A")); - } - else - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "value8 = temp8 = ReadMemory(value16);"); - w.WriteLine(Spaces + "value8 = (byte)((value8 >> 1) | ((P & 1)<<7));"); - w.WriteLine(Spaces + "WriteMemory(value16, value8);"); - w.WriteLine(Spaces + "FlagC = (temp8 & 1) != 0;"); - w.WriteLine(Spaces + SetNZ("value8")); - } - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void RTI(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "P = ReadMemory((ushort)(++S + 0x100));"); -w.WriteLine("FlagT = true;// this seems wrong");//this seems wrong - w.WriteLine(Spaces + "PC = ReadMemory((ushort)(++S + 0x100));"); - w.WriteLine(Spaces + "PC |= (ushort)(ReadMemory((ushort)(++S + 0x100)) << 8);"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void RTS(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "PC = ReadMemory((ushort)(++S + 0x100));"); - w.WriteLine(Spaces + "PC |= (ushort)(ReadMemory((ushort)(++S + 0x100)) << 8);"); - w.WriteLine(Spaces + "PC++;"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void SBC(OpcodeInfo op, TextWriter w) - { - GetValue8(op, w, "value8"); - w.WriteLine(Spaces + "temp = A - value8 - (FlagC?0:1);"); - w.WriteLine(Spaces + "FlagV = ((A ^ value8) & (A ^ temp) & 0x80) != 0;"); - w.WriteLine(Spaces + "FlagC = temp >= 0;"); - w.WriteLine(Spaces + "A = (byte)temp;"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void SEC(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagC = true;"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void SED(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "FlagD = true;"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void SEI(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "//FlagI = true;"); - w.WriteLine(Spaces + "SEI_Pending = true;"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void STA(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "WriteMemory(value16, A);"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void STX(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "WriteMemory(value16, X);"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void STY(OpcodeInfo op, TextWriter w) - { - GetAddress(op, w, "value16"); - w.WriteLine(Spaces + "WriteMemory(value16, Y);"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void TAX(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "X = A;"); - w.WriteLine(Spaces + SetNZ("X")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void TAY(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "Y = A;"); - w.WriteLine(Spaces + SetNZ("Y")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void TSX(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "X = S;"); - w.WriteLine(Spaces + SetNZ("X")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void TXA(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "A = X;"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void TXS(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "S = X;"); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - - private void TYA(OpcodeInfo op, TextWriter w) - { - w.WriteLine(Spaces + "A = Y;"); - w.WriteLine(Spaces + SetNZ("A")); - w.WriteLine(Spaces + "PendingCycles -= {0}; TotalExecutedCycles += {0};", op.Cycles); - } - } -} diff --git a/CpuCoreGenerator/Program.cs b/CpuCoreGenerator/Program.cs deleted file mode 100644 index b4bd57ee93..0000000000 --- a/CpuCoreGenerator/Program.cs +++ /dev/null @@ -1,17 +0,0 @@ -class Program -{ - static void Main() - { - //We don't currently use this anymore - //var x = new M6502.CoreGenerator(); - //x.InitOpcodeTable(); - //x.GenerateDisassembler("../../../BizHawk.Emulation.Common/CPUs/MOS 6502X/Disassembler.cs"); - //x.GenerateExecutor("../../../BizHawk.Emulation.Common/CPUs/MOS 6502X/Execute.cs"); - - var y = new HuC6280.CoreGenerator(); - y.InitOpcodeTable(); - y.GenerateDisassembler("../../../BizHawk.Emulation.Cores/CPUs/HuC6280/Disassembler.cs"); - y.GenerateExecutor("../../../BizHawk.Emulation.Cores/CPUs/HuC6280/Execute.cs"); - y.GenerateCDL("../../../BizHawk.Emulation.Cores/CPUs/HuC6280/CDLOpcodes.cs"); - } -} diff --git a/CpuCoreGenerator/Properties/AssemblyInfo.cs b/CpuCoreGenerator/Properties/AssemblyInfo.cs deleted file mode 100644 index a7058b8685..0000000000 --- a/CpuCoreGenerator/Properties/AssemblyInfo.cs +++ /dev/null @@ -1,36 +0,0 @@ -using System.Reflection; -using System.Runtime.CompilerServices; -using System.Runtime.InteropServices; - -// General Information about an assembly is controlled through the following -// set of attributes. Change these attribute values to modify the information -// associated with an assembly. -[assembly: AssemblyTitle("M6502CoreGenerator")] -[assembly: AssemblyDescription("")] -[assembly: AssemblyConfiguration("")] -[assembly: AssemblyCompany("Microsoft")] -[assembly: AssemblyProduct("M6502CoreGenerator")] -[assembly: AssemblyCopyright("Copyright © Microsoft 2010")] -[assembly: AssemblyTrademark("")] -[assembly: AssemblyCulture("")] - -// Setting ComVisible to false makes the types in this assembly not visible -// to COM components. If you need to access a type in this assembly from -// COM, set the ComVisible attribute to true on that type. -[assembly: ComVisible(false)] - -// The following GUID is for the ID of the typelib if this project is exposed to COM -[assembly: Guid("ab5eef8f-50f4-4c39-af46-8c5ba9404c6b")] - -// Version information for an assembly consists of the following four values: -// -// Major Version -// Minor Version -// Build Number -// Revision -// -// You can specify all the values or you can default the Build and Revision Numbers -// by using the '*' as shown below: -// [assembly: AssemblyVersion("1.0.*")] -[assembly: AssemblyVersion("1.0.0.0")] -[assembly: AssemblyFileVersion("1.0.0.0")]