mirror of
https://github.com/buserror/mii_emu.git
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84 lines
1.6 KiB
C
84 lines
1.6 KiB
C
/*
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* mii_asm.c
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*
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* Copyright (C) 2023 Michel Pollet <buserror+git@gmail.com>
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*
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* SPDX-License-Identifier: MIT
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*
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* Small command line assembler for our own drivers
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "mii_65c02.h"
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#include "mii_65c02_asm.h"
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#include "mii_65c02_disasm.h"
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#include "mii_65c02_ops.h"
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int
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main(
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int argc,
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const char * argv[])
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{
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const char *infile = NULL;
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const char *outfile = NULL;
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int verbose = 0;
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// parse arguments
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for (int i = 1; i < argc; i++) {
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if (!strcmp(argv[i], "-o")) {
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if (i + 1 >= argc) {
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fprintf(stderr, "%s Missing argument for -o\n", argv[0]);
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exit(1);
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}
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outfile = argv[++i];
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} else if (!strcmp(argv[i], "-v")) {
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verbose = 1;
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} else if (!infile) {
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infile = argv[i];
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} else {
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fprintf(stderr, "%s Unknown argument %s\n", argv[0], argv[i]);
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exit(1);
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}
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}
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if (!infile || !outfile) {
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fprintf(stderr, "Usage: mii_asm [-v] -o outfile infile\n");
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exit(1);
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}
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char *prog = calloc(1, 65536);
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if (verbose)
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printf("%s Loading %s\n", argv[0], infile);
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FILE *f = fopen(infile, "r");
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if (!f) {
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perror(infile);
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exit(1);
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}
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fread(prog, 1, 65536, f);
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fclose(f);
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mii_cpu_asm_program_t p = {};
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p.verbose = verbose;
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if (mii_cpu_asm(&p, prog) == 0) {
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if (verbose)
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mii_cpu_disasm(p.output, p.org, p.output_len);
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if (verbose)
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printf("%s Writing %s\n", argv[0], outfile);
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f = fopen(outfile, "w");
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if (!f) {
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perror(outfile);
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exit(1);
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}
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fwrite(p.output, 1, p.output_len, f);
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fclose(f);
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} else {
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fprintf(stderr, "%s: %s error, no output\n", argv[0], infile);
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exit(1);
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}
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return 0;
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}
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