dos33fsprogs/hgr-utils/dump_table.c

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/* Dump a shape table. Trying to debug a weird problem. */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
static char name[8][5]={
"NUP",
"NRT",
"NDN",
"NLT",
"UP",
"RT",
"DN",
"LT"
};
int main(int argc, char **argv) {
int ch,i;
int h,l;
int num_shapes=0,offset;
int a,b,c;
short offsets[256];
/* applesoft indexes from 1 not 0 */
int shape_num=1;
l=fgetc(stdin);
h=fgetc(stdin);
printf("BLOAD address: 0x%x\n",(h*256)+l);
l=fgetc(stdin);
h=fgetc(stdin);
printf("BLOAD size: %d\n",(h*256)+l);
offset=0;
num_shapes=fgetc(stdin);
printf("NUM SHAPES = %d\n",num_shapes);
ch=fgetc(stdin);
if (ch!=0) printf("\tERROR! NOT ZERO\n");
offset+=2;
for(i=0;i<num_shapes;i++) {
l=fgetc(stdin);
h=fgetc(stdin);
printf("SHAPE %d offset = %d ($%02X%02X)\n",i,
(h*256)+l,h,l);
offsets[i]=(h*256)+l;
offset+=2;
}
/* skip to proper offset */
while(offset<offsets[0]) {
offset++;
ch=fgetc(stdin);
if (ch<0) return -1;
}
printf("Shape %d\n",shape_num);
while(1) {
ch=fgetc(stdin);
if (ch<0) break;
a=ch&0x7;
b=(ch>>3)&0x7;
c=(ch>>6)&0x3;
printf("$%X:\t%x ",offset,ch);
if ((c==0) && (b==0) && (a==0)) {
printf("END!\n");
shape_num++;
if (shape_num<num_shapes) {
printf("\nShape %d\n",shape_num);
}
} else{
printf("\tA: %s ",name[a]);
}
if ((c==0) && (b==0)) {
}
else {
printf("\tB: %s ",name[b]);
}
if (c!=0) printf("\tC: %s ",name[c]);
printf("\n");
offset++;
}
return 0;
}