mirror of
https://github.com/deater/dos33fsprogs.git
synced 2024-09-10 23:54:33 +00:00
81 lines
1.3 KiB
C
81 lines
1.3 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#define OFFSET 32
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#define OFFSET2 35
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//#define OFFSET 35
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static int hex2int(int val) {
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if ((val>='0') && (val<='9')) return val-'0';
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if ((val>='A') && (val<='F')) return (val-'A')+10;
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if ((val>='a') && (val<='f')) return (val-'a')+10;
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printf("Unknown: %c %d\n",val,val);
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return -1;
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}
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static int color_count=0;
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static int colors[16];
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static int find_color(int which) {
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int i;
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for(i=0;i<color_count;i++) {
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if (colors[i]==which) {
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// printf("Found %d at %d\n",which,i);
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return i;
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}
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}
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/* not found */
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colors[color_count]=which;
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// printf("New %d at %d\n",which,color_count);
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color_count++;
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return color_count-1;
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}
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int main(int argc, char **argv) {
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int i = 0;
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unsigned char in[1024];
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char string[256];
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char *result;
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int op=0;
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int color;
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memset(in,0,sizeof(in));
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memset(colors,0,sizeof(colors));
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while(1) {
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result=fgets(string,256,stdin);
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if (result==NULL) break;
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for(i=0;i<strlen(string);i++) {
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if (string[i]=='$') {
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color=find_color(hex2int(string[i+1]));
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in[op]=color;
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op++;
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color=find_color(hex2int(string[i+2]));
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in[op]=color;
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op++;
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}
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}
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}
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printf("Raw Image was %d bytes, %d colors\n",op,color_count);
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for(i=0;i<8;i++) printf("%c",colors[i]+35);
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for(i=0;i<op;i+=2) printf("%c",((in[i]<<3)+in[i+1])+35);
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printf("\n");
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return 0;
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}
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