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/* Copyright (C) 2023 Aryadev Chavali
* You may distribute and modify this code under the terms of the
* GPLv2 license. You should have received a copy of the GPLv2
* license with this file. If not, please write to:
* aryadev@aryadevchavali.com.
* Created: 2023-10-15
* Author: Aryadev Chavali
* Description: Instructions and opcodes
*/
#ifndef INST_H
#define INST_H
#include "./base.h"
typedef enum
{
OP_NOOP = 0,
OP_PUSH_BYTE = 0b0001,
OP_PUSH_WORD = 0b0101,
OP_PUSH_FLOAT = 0b1001,
OP_HALT,
} opcode_t;
#define OPCODE_IS_PUSH(OPCODE) (((OPCODE)&1) == 1)
typedef struct
{
opcode_t opcode;
data_t operand;
} inst_t;
#define INST_BPUSH(BYTE) \
((inst_t){.opcode = OP_PUSH_BYTE, .operand = DBYTE(BYTE)})
#define INST_WPUSH(WORD) \
((inst_t){.opcode = OP_PUSH_WORD, .operand = DWORD(WORD)})
#define INST_FPUSH(FLOAT) \
((inst_t){.opcode = OP_PUSH_FLOAT, .operand = DFLOAT(FLOAT)})
#endif
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