47 lines
866 B
C
47 lines
866 B
C
#ifndef OPCODES_H
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#define OPCODES_H
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#include <string.h>
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#include "symbols_table.h"
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#define OPCODECOUNT 13
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typedef enum {
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R1, R2, R3, R4, R5, R6, R7, R8
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} Registers;
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typedef enum {
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COPY, ADD, SUB, JZ, INT, YLD, RET,
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CMP, NOP, JMP, CALL, IN, OUT,
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} Mnemonic;
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typedef enum {
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None,
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Constant,
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Address
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} OpcodeParameter;
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typedef struct {
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Mnemonic Mnemonic;
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OpcodeParameter ParameterOneType;
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OpcodeParameter ParameterTwoType;
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union {
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int Constant;
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Symbol* Symbol;
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} ParameterOne;
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union {
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int Constant;
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Symbol* Symbol;
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} ParameterTwo;
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} Instruction;
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extern Instruction instructions[OPCODECOUNT];
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int IsOpcode(const char*, Mnemonic*);
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int IsRegister(const char*, Registers*);
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//const Instruction* GetOpcodeDetails(Mnemonic);
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unsigned char GetInstructionMask(Mnemonic type);
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#endif |