apple2-converters/fp.c
2013-06-13 13:58:41 -07:00

190 lines
4.0 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
char **av;
void
usage (char *s)
{
fprintf (stderr, "Usage: %s [file]\n");
}
char *
token (int c)
{
switch (c) {
case 128: return "end";
case 129: return "for";
case 130: return "next";
case 131: return "data";
case 132: return "input";
case 133: return "del";
case 134: return "dim";
case 135: return "read";
case 136: return "gr";
case 137: return "text";
case 138: return "pr#";
case 139: return "in#";
case 140: return "call";
case 141: return "plot";
case 142: return "hlin";
case 143: return "vlin";
case 144: return "hgr2";
case 145: return "hgr";
case 146: return "hcolor=";
case 147: return "hplot";
case 148: return "draw";
case 149: return "xdraw";
case 150: return "htab";
case 151: return "home";
case 152: return "rot=";
case 153: return "scale=";
case 154: return "shload";
case 155: return "trace";
case 156: return "notrace";
case 157: return "normal";
case 158: return "inverse";
case 159: return "flash";
case 160: return "color=";
case 161: return "pop";
case 162: return "vtab";
case 163: return "himem:";
case 164: return "lomem:";
case 165: return "onerr";
case 166: return "resume";
case 167: return "recall";
case 168: return "store";
case 169: return "speed=";
case 170: return "let";
case 171: return "goto";
case 172: return "run";
case 173: return "if";
case 174: return "restore";
case 175: return "&";
case 176: return "gosub";
case 177: return "return";
case 178: return "rem";
case 179: return "stop";
case 180: return "on";
case 181: return "wait";
case 182: return "load";
case 183: return "save";
case 184: return "def";
case 185: return "poke";
case 186: return "print";
case 187: return "cont";
case 188: return "list";
case 189: return "clear";
case 190: return "get";
case 191: return "new";
case 192: return "tab";
case 193: return "to";
case 194: return "fn";
case 195: return "spc(";
case 196: return "then";
case 197: return "at";
case 198: return "not";
case 199: return "step";
case 200: return "+";
case 201: return "-";
case 202: return "*";
case 203: return "/";
case 204: return "^";
case 205: return "and";
case 206: return "or";
case 207: return ">";
case 208: return "=";
case 209: return "<";
case 210: return "sgn";
case 211: return "int";
case 212: return "abs";
case 213: return "usr";
case 214: return "fre";
case 215: return "scrn";
case 216: return "pdl";
case 217: return "pos";
case 218: return "sqr";
case 219: return "rnd";
case 220: return "log";
case 221: return "exp";
case 222: return "cos";
case 223: return "sin";
case 224: return "tan";
case 225: return "atn";
case 226: return "peek";
case 227: return "len";
case 228: return "str$";
case 229: return "val";
case 230: return "asc";
case 231: return "chr$";
case 232: return "left$";
case 233: return "right$";
case 234: return "mid$";
default: return "???";
}
}
void
process (FILE *f, char *name)
{
while (1) {
int a, b;
int c;
a = getc (f); /* useless (to us) pointer to next line */
b = getc (f); /* high half of pointer */
if (a == EOF || b == EOF)
return;
if (a == 0 && b == 0)
return;
a = getc (f); /* line number */
b = getc (f); /* high half of line number */
if (a == EOF || b == EOF)
return;
printf ("%d ", a + 256 * b);
while ((c = getc (f)) != EOF) {
if (c == 0)
break;
if (c > 127)
printf (" %s ", token (c));
else
printf ("%c", c);
}
printf ("\n");
}
}
int
main (int argc, char **argv)
{
av = argv;
if (argc < 2) {
process (stdin, "standard input");
} else if (argc == 2) {
FILE *f = fopen (argv[1], "r");
if (f) {
process (f, argv[1]);
fclose (f);
} else {
fprintf (stderr, "%s: %s: %s\n", argv[0], argv[1],
strerror (errno));
exit (EXIT_FAILURE);
}
} else {
usage (argv[0]);
exit (EXIT_FAILURE);
}
return (EXIT_SUCCESS);
}