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-rw-r--r--main.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/main.c b/main.c
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index 0000000..35a7411
--- /dev/null
+++ b/main.c
@@ -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;
+}