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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: Entrypoint to program
*/
#include <assert.h>
#include <stdio.h>
#include <string.h>
#include "./inst.h"
#include "./runtime.h"
void write_bytes_to_file(darr_t *bytes, const char *filepath)
{
FILE *fp = fopen(filepath, "wb");
size_t size = fwrite(bytes->data, bytes->used, 1, fp);
fclose(fp);
assert(size == 1);
}
void read_bytes_from_file(const char *filepath, darr_t *darr)
{
darr->data = NULL;
darr->used = 0;
darr->available = 0;
FILE *fp = fopen(filepath, "rb");
fseek(fp, 0, SEEK_END);
long size = ftell(fp);
darr_init(darr, size);
fseek(fp, 0, SEEK_SET);
size_t read = fread(darr->data, size, 1, fp);
fclose(fp);
assert(read == 1);
}
int main(void)
{
byte stack_data[256];
vm_t vm = {0};
vm_load_stack(&vm, stack_data, ARR_SIZE(stack_data));
inst_t instructions[] = {
INST_BPUSH(0xfa), INST_BMOV(0), INST_BPUSH(0xfb),
INST_BMOV(1), INST_BPUSH(0xfc), INST_BMOV(2),
INST_BPUSH(0xfd), INST_BMOV(3), INST_BPUSH_REG(3),
INST_BPUSH_REG(2), INST_BPUSH_REG(1), INST_BPUSH_REG(0),
};
vm_load_program(&vm, instructions, ARR_SIZE(instructions));
for (size_t i = 0; i < ARR_SIZE(instructions); ++i)
vm_execute(&vm);
return 0;
}
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