mirror of https://github.com/PCSX2/pcsx2.git
44 lines
1.0 KiB
C
44 lines
1.0 KiB
C
/***************************************************************
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* romdir.c, based over Alex Lau (http://alexlau.8k.com) RomDir *
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****************************************************************/
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#include "romdir.h"
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struct romdir *romdirInit() {
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u8 *mem;
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for (mem=(u8*)0xbfc00000; (u32)mem<0xbfc01000; mem++) {
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if (mem[0] == 'R' && mem[1] == 'E' &&
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mem[2] == 'S' && mem[3] == 'E' &&
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mem[4] == 'T')
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break;
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}
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if ((u32)mem == 0xbfc01000) return NULL;
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return (struct romdir*)mem;
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}
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struct rominfo *romdirGetFile(char *name, struct rominfo *ri) {
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struct romdir *rd;
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struct romdir *base;
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int i;
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base = romdirInit();
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if (base == NULL) return NULL;
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ri->fileOffset = 0;
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for (rd = base; rd->fileName[0] != 0; rd++) {
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for (i=0; i<10 && name[i] != 0; i++) {
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if (rd->fileName[i] != name[i]) break;
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}
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if (rd->fileName[i] != name[i]) {
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ri->fileOffset+= (rd->fileSize + 15) & ~0xF;
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continue;
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}
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ri->fileSize = rd->fileSize;
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return ri;
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}
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return NULL;
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}
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