pcsx2/fps2bios/ps2romgen.c

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// little prog for bios image repack by Florin Sasu 2002-10-03
#include <stdio.h>
#include <string.h>
struct romdir{
char name[10];
short ext;
int size;
} rd[200]; //increase the number if needed; 200 is enough
char buffer[10000];
#define min(a,b) (a<b?a:b)
void fillfile(FILE *f, int size, char c){
memset(buffer, c, 10000);
while(size>0){
fwrite(buffer, 1, min(size, 10000), f);
size-=10000;
}
}
void writefile(FILE *f, char *name, int offset, int size){
FILE *fi=fopen(name, "rb");
if (fi) fseek(fi, 0, SEEK_END);
if ((!fi) || (ftell(fi)!=size)){
printf("Could not find a file %s of %d bytes\n", name, size);
if (fi) fclose(fi);
return;
}
printf("%10s\t%8X\t%8X\n", name, offset, size);
fillfile(f, offset-ftell(f), 0);
fseek(fi, 0, SEEK_SET);
while (size>0){
fread(buffer, 1, min(10000, size), fi);
fwrite(buffer, 1, min(10000, size), f);
size-=10000;
}
fclose(fi);
}
int main(int argc, char* argv[]){
int i, n, offset;
FILE *f;
//////////////////////////////////
printf("PS2 ROMGEN v0.1 Florin Sasu 2002-10-03 (florinsasu@yahoo.com) no padding\n");
if (argc<2){
printf("Usage: ps2biosgen <filename>\n\tfilename=name of the biosfile to create\n");
printf("\n\tPut in the same directory with ps2romgen all the files from bios\n");
return 1;
}
//////////////////////////////////
f=fopen("ROMDIR", "rb");
if (!f){
printf("Could not find the ROMDIR file\n");
return 1;
}
for (n=0; !feof(f) && (fread(&rd[n], 16, 1, f)==1) && rd[n].name[0]; n++);
fclose(f);
//////////////////////////////////
printf("\n Name Offset(hex) Size(hex)"
"\n----------------------------------------\n");
f=fopen(argv[1], "wb");
for (i=0, offset=0; i<n; offset=(rd[i++].size+offset+15) & 0xFFFFFFF0)
if (rd[i].name[0]!='-')
writefile(f, rd[i].name, offset, rd[i].size);
fclose(f);
//////////////////////////////////
printf("Done (%s)\n", argv[1]);
return 0;
}