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authorAryadev Chavali <aryadev@aryadevchavali.com>2023-10-23 03:58:34 +0100
committerAryadev Chavali <aryadev@aryadevchavali.com>2023-10-23 03:58:34 +0100
commitb44a61be41e44b415b1293fcbc1f1e8c4ce3373d (patch)
tree218cdb4901d23089ab0b54b4ff3097202c442acd /src/inst.h
parent587f31a63b26fe3789acd0ba129474a2be200d37 (diff)
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src->vm, Makefile is now a bit more abstracted and pretty colours
Changed folder names for sake of clarity (will be introducing a new build target soon), and Makefile can now easily support more targets.
Diffstat (limited to 'src/inst.h')
-rw-r--r--src/inst.h156
1 files changed, 0 insertions, 156 deletions
diff --git a/src/inst.h b/src/inst.h
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--- a/src/inst.h
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@@ -1,156 +0,0 @@
-/* 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 <stdio.h>
-#include <stdlib.h>
-
-#include "./base.h"
-#include "./darr.h"
-
-typedef enum
-{
- OP_NOOP = 0,
-
- // Dealing with data and registers
- OP_PUSH_BYTE,
- OP_PUSH_HWORD,
- OP_PUSH_WORD,
-
- OP_POP_BYTE,
- OP_POP_HWORD,
- OP_POP_WORD,
-
- OP_PUSH_REGISTER_BYTE,
- OP_PUSH_REGISTER_HWORD,
- OP_PUSH_REGISTER_WORD,
-
- OP_MOV_BYTE,
- OP_MOV_HWORD,
- OP_MOV_WORD,
-
- OP_DUP_BYTE,
- OP_DUP_HWORD,
- OP_DUP_WORD,
-
- // Boolean operations
- OP_NOT_BYTE,
- OP_NOT_HWORD,
- OP_NOT_WORD,
-
- OP_OR_BYTE,
- OP_OR_HWORD,
- OP_OR_WORD,
-
- OP_AND_BYTE,
- OP_AND_HWORD,
- OP_AND_WORD,
-
- OP_XOR_BYTE,
- OP_XOR_HWORD,
- OP_XOR_WORD,
-
- OP_EQ_BYTE,
- OP_EQ_HWORD,
- OP_EQ_WORD,
-
- // Mathematical operations
- OP_PLUS_BYTE,
- OP_PLUS_HWORD,
- OP_PLUS_WORD,
-
- // Simple I/O
- OP_PRINT_CHAR,
- OP_PRINT_BYTE,
- OP_PRINT_INT,
- OP_PRINT_HWORD,
- OP_PRINT_LONG,
- OP_PRINT_WORD,
-
- // Program control flow
- OP_JUMP_ABS,
- OP_JUMP_STACK,
- OP_JUMP_REGISTER,
- OP_JUMP_IF_BYTE,
- OP_JUMP_IF_HWORD,
- OP_JUMP_IF_WORD,
-
- // Should not be an opcode
- NUMBER_OF_OPCODES,
- OP_HALT = 0b11111111, // top of the byte is a HALT
-} opcode_t;
-
-const char *opcode_as_cstr(opcode_t);
-
-#define OPCODE_IS_TYPE(OPCODE, OP_TYPE) \
- (((OPCODE) >= OP_TYPE##_BYTE) && ((OPCODE) <= OP_TYPE##_WORD))
-
-#define OPCODE_DATA_TYPE(OPCODE, OP_TYPE) \
- ((OPCODE) == OP_TYPE##_BYTE ? DATA_TYPE_BYTE \
- : ((OPCODE) == OP_TYPE##_HWORD) ? DATA_TYPE_HWORD \
- : DATA_TYPE_WORD)
-
-typedef struct
-{
- opcode_t opcode;
- data_t operand;
-} inst_t;
-
-void inst_print(inst_t, FILE *);
-
-size_t inst_bytecode_size(inst_t);
-void inst_write_bytecode(inst_t, darr_t *);
-void insts_write_bytecode(inst_t *, size_t, darr_t *);
-// Here the dynamic array is a preloaded buffer of bytes, where
-// darr.available is the number of overall bytes and used is the
-// cursor (where we are in the buffer).
-inst_t inst_read_bytecode(darr_t *);
-inst_t *insts_read_bytecode(darr_t *, size_t *);
-
-void insts_write_bytecode_file(inst_t *, size_t, FILE *);
-inst_t *insts_read_bytecode_file(FILE *, size_t *);
-
-#define INST_NOOP ((inst_t){0})
-#define INST_HALT ((inst_t){.opcode = OP_HALT})
-
-#define INST_PUSH(TYPE, OP) \
- ((inst_t){.opcode = OP_PUSH_##TYPE, .operand = D##TYPE(OP)})
-
-#define INST_MOV(TYPE, OP) \
- ((inst_t){.opcode = OP_MOV_##TYPE, .operand = D##TYPE(OP)})
-
-#define INST_POP(TYPE) ((inst_t){.opcode = OP_POP_##TYPE})
-
-#define INST_PUSH_REG(TYPE, REG) \
- ((inst_t){.opcode = OP_PUSH_REGISTER_##TYPE, .operand = D##TYPE(REG)})
-
-#define INST_DUP(TYPE, OP) \
- ((inst_t){.opcode = OP_DUP_##TYPE, .operand = DWORD(OP)})
-
-#define INST_NOT(TYPE) ((inst_t){.opcode = OP_NOT_##TYPE})
-#define INST_OR(TYPE) ((inst_t){.opcode = OP_OR_##TYPE})
-#define INST_AND(TYPE) ((inst_t){.opcode = OP_AND_##TYPE})
-#define INST_XOR(TYPE) ((inst_t){.opcode = OP_XOR_##TYPE})
-#define INST_EQ(TYPE) ((inst_t){.opcode = OP_EQ_##TYPE})
-#define INST_PLUS(TYPE) ((inst_t){.opcode = OP_PLUS_##TYPE})
-
-#define INST_JUMP_ABS(OP) \
- ((inst_t){.opcode = OP_JUMP_ABS, .operand = DWORD(OP)})
-#define INST_JUMP_STACK ((inst_t){.opcode = OP_JUMP_STACK})
-#define INST_JUMP_REGISTER ((inst_t){.opcode = OP_JUMP_REGISTER})
-#define INST_JUMP_IF(TYPE, OP) \
- ((inst_t){.opcode = OP_JUMP_IF_##TYPE, .operand = DWORD(OP)})
-
-#define INST_PRINT(TYPE) ((inst_t){.opcode = OP_PRINT_##TYPE})
-#endif