cosmopolitan/tool/viz/bin2asm.c

45 lines
2.4 KiB
C

/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
╞══════════════════════════════════════════════════════════════════════════════╡
│ Copyright 2020 Justine Alexandra Roberts Tunney │
│ │
│ This program is free software; you can redistribute it and/or modify │
│ it under the terms of the GNU General Public License as published by │
│ the Free Software Foundation; version 2 of the License. │
│ │
│ This program is distributed in the hope that it will be useful, but │
│ WITHOUT ANY WARRANTY; without even the implied warranty of │
│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
│ General Public License for more details. │
│ │
│ You should have received a copy of the GNU General Public License │
│ along with this program; if not, write to the Free Software │
│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
│ 02110-1301 USA │
╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#define COLS 8
int main(int argc, char *argv[]) {
int c, col = 0;
unsigned char ch;
char16_t glyphs[COLS + 1];
while ((c = getchar()) != -1) {
if (col == 0) {
printf("\t.byte\t");
memset(glyphs, 0, sizeof(glyphs));
}
ch = c & 0xff;
glyphs[col] = kCp437[ch];
if (col) putchar(',');
printf("0x%02x", ch);
if (++col == COLS) {
col = 0;
printf("\t#%hs\n", glyphs);
}
}
return 0;
}