oreodave/aal
Archived
Public Access
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Split off instruction structure to its own file

Browse Source
This commit is contained in:
Aryadev Chavali
2023-10-15 17:38:35 +01:00
parent ea14b3beb6
commit 40dfa5c255
2 changed files with 43 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
src/inst.h Normal file
View File

@@ -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

28
src/main.c
View File

@@ -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};