diff options
| -rw-r--r-- | src/inst.h | 40 | ||||
| -rw-r--r-- | src/main.c | 28 |
2 files changed, 43 insertions, 25 deletions
diff --git a/src/inst.h b/src/inst.h new file mode 100644 index 0000000..95baaf2 --- /dev/null +++ b/src/inst.h @@ -0,0 +1,40 @@ +/* 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_PUSH_BYTE = 1, + OP_PUSH_WORD, + OP_PUSH_FLOAT, +} op_t; + +typedef struct +{ + op_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 @@ -14,28 +14,7 @@ #include <string.h> #include "./base.h" - -typedef enum -{ - OP_PUSH_BYTE = 1, - OP_PUSH_WORD, - OP_PUSH_FLOAT, -} op_t; - -typedef struct -{ - op_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)}) +#include "./inst.h" typedef struct { @@ -135,8 +114,6 @@ f64 vm_pop_float(vm_t *vm) return f; } -typedef void (*push_f)(vm_t *, data_t); - void vm_execute(vm_t *vm) { struct Program *prog = &vm->program; @@ -148,7 +125,8 @@ void vm_execute(vm_t *vm) // last 2 bits unless it's a push routine if ((instruction.opcode & 0b11) != 0) { - // Push routine + // Possible push routines + typedef void (*push_f)(vm_t *, data_t); const push_f routines[] = {[OP_PUSH_BYTE] = vm_push_byte, [OP_PUSH_WORD] = vm_push_word, [OP_PUSH_FLOAT] = vm_push_float}; |