33 lines
872 B
C
33 lines
872 B
C
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#pragma once
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#include <cstdint>
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#include <unordered_map>
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#include <vector>
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enum class InstType : uint8_t {
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MOV, MVI, ADD, SUB, LOAD, STORE, AND, OR, XOR, SHF, JMP, JIZ, CALL, RET, SYS, HLT
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};
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enum class OperandType {
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ImmNone, Imm4, Imm8
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};
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using BytecodeInstruction = uint16_t;
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static std::unordered_map<InstType, std::vector<OperandType>> instructionOperandTypes = {
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{InstType::MOV, {OperandType::Imm4, OperandType::Imm4, OperandType::Imm4}}
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};
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struct Instruction {
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InstType opcode = InstType::MOV;
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uint16_t arg1 = 0;
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uint16_t arg2 = 0;
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uint16_t arg3 = 0;
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BytecodeInstruction asBytecodeInstruction() const;
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Instruction() = default;
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Instruction(InstType opcode, uint16_t arg1, uint16_t arg2, uint16_t arg3)
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: opcode(opcode), arg1(arg1), arg2(arg2), arg3(arg3) {}
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Instruction(BytecodeInstruction bytecodeInst);
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};
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