diff options
Diffstat (limited to 'Q1.core/Arch')
| -rw-r--r-- | Q1.core/Arch/Constants/ChipRegisters.cs | 36 | ||||
| -rw-r--r-- | Q1.core/Arch/Lookups/InstructionSet.cs | 25 |
2 files changed, 61 insertions, 0 deletions
diff --git a/Q1.core/Arch/Constants/ChipRegisters.cs b/Q1.core/Arch/Constants/ChipRegisters.cs index 042ce32..40caf6a 100644 --- a/Q1.core/Arch/Constants/ChipRegisters.cs +++ b/Q1.core/Arch/Constants/ChipRegisters.cs @@ -16,4 +16,40 @@ public static class ChipRegisters public const u8 PC = 0x4C; public const u8 SP = 0x4D; + + public static u8? GetRegisterIndex(string name) + { + return name switch + { + "AX" => AX, + "AH" => AH, + "AL" => AL, + "DX" => DX, + "DH" => DH, + "DL" => DL, + "LX" => LX, + "PC" => PC, + "SP" => SP, + _ when name.StartsWith("V") && byte.TryParse(name[1..], out u8 index) && index < GENERIC_REGISTER_COUNT => index, + _ => null + }; + } + + public static string? GetRegisterName(u8 index) + { + return index switch + { + AX => "AX", + AH => "AH", + AL => "AL", + DX => "DX", + DH => "DH", + DL => "DL", + LX => "LX", + PC => "PC", + SP => "SP", + _ when index < GENERIC_REGISTER_COUNT => $"V{index}", + _ => null + }; + } }
\ No newline at end of file diff --git a/Q1.core/Arch/Lookups/InstructionSet.cs b/Q1.core/Arch/Lookups/InstructionSet.cs index 2ea20fc..ad81f2e 100644 --- a/Q1.core/Arch/Lookups/InstructionSet.cs +++ b/Q1.core/Arch/Lookups/InstructionSet.cs @@ -20,6 +20,31 @@ public static class InstructionSet throw new ArgumentException($"Instruction '{instructionName}' not found in the instruction set."); } + public static u8 GetOpcodeWithIndex(string instructionName, out u8 index) + { + for (u8 opcode = 0; opcode < InstructionSet.Lookup.Length; opcode++) + { + var group = InstructionSet.Lookup[opcode]; + if (group.Implicit.Name == instructionName || + group.SimpleAddressing.Name == instructionName || + group.ExtendedImplicit.Name == instructionName || + group.ExtendedAddressing.Name == instructionName) + { + if (group.Implicit.Name == instructionName) + index = 0; + else if (group.SimpleAddressing.Name == instructionName) + index = 1; + else if (group.ExtendedImplicit.Name == instructionName) + index = 2; + else + index = 3; + + return opcode; + } + } + throw new ArgumentException($"Instruction '{instructionName}' not found in the instruction set."); + } + static InstructionSet() { var nop = new ImplicitInstruction { Name = "NOP", Execute = InstructionSet.Nop }; |