diff options
Diffstat (limited to 'main.c')
-rw-r--r-- | main.c | 93 |
1 files changed, 93 insertions, 0 deletions
@@ -0,0 +1,93 @@ +/* $Id$ */ +/* + * Copyright (c) 2012 Dimitri Sokolyuk <demon@dim13.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, dATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <err.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> +#include "dcpu16.h" + +void +dumpcode(unsigned short *m) +{ + int i, k, sum; + + for (i = 0; i < MEMSZ; i += 8) { + sum = 0; + for (k = 0; k < 8; k++) + sum += m[i + k]; + if (!sum) + continue; + printf("%4.4x:", i); + for (k = 0; k < 8; k++) + printf("%5.4x", m[i + k]); + printf("\n"); + } +} + +void +usage(void) +{ + extern char *__progname; + + (void)fprintf(stderr, "Usage: %s [-gt]\n", __progname); + exit(1); +} + +int +main(int argc, char **argv) +{ + unsigned short *m; + unsigned short r[nReg] = { 0 }; + FILE *fd; + int e_flag = 0; + int g_flag = 0; + int ch; + + while ((ch = getopt(argc, argv, "gt")) != -1) + switch (ch) { + case 'g': + g_flag = 1; + break; + case 't': + e_flag = 1; + break; + default: + usage(); + /* NOTREACHED */ + } + + argc -= optind; + argv += optind; + + if (!argc) + usage(); + + fd = fopen(*argv, "r"); + if (!fd) + err(1, "cannot open file"); + + m = compile(fd); + fclose(fd); + + if (e_flag) + tuiemu(m, r); + else + dumpcode(m); + + return 0; +} |