int CheatLoad(const char *filename)
{
FILE *fp;
int i;
char id[4];
char desc[256];
IOCheck_struct check = { 0, 0 };
if (!filename)
return -1;
if ((fp = fopen(filename, "rb")) == NULL)
return -1;
yread(&check, (void *)id, 1, 4, fp);
if (strncmp(id, "YCHT", 4) != 0)
{
fclose(fp);
return -2;
}
CheatClearCodes();
yread(&check, (void *)&numcheats, sizeof(int), 1, fp);
#ifndef WORDS_BIGENDIAN
DoubleWordSwap(numcheats);
#endif
if (numcheats >= cheatsize)
{
cheatlist = realloc(cheatlist, sizeof(cheatlist_struct) * (cheatsize * 2));
memset((void *)cheatlist, 0, sizeof(cheatlist_struct) * (cheatsize * 2));
cheatsize *= 2;
}
for(i = 0; i < numcheats; i++)
{
u8 descsize;
yread(&check, (void *)&cheatlist[i].type, sizeof(int), 1, fp);
yread(&check, (void *)&cheatlist[i].addr, sizeof(u32), 1, fp);
yread(&check, (void *)&cheatlist[i].val, sizeof(u32), 1, fp);
yread(&check, (void *)&descsize, sizeof(u8), 1, fp);
yread(&check, (void *)desc, sizeof(char), descsize, fp);
CheatChangeDescriptionByIndex(i, desc);
yread(&check, (void *)&cheatlist[i].enable, sizeof(int), 1, fp);
#ifndef WORDS_BIGENDIAN
DoubleWordSwap(cheatlist[i].type);
DoubleWordSwap(cheatlist[i].addr);
DoubleWordSwap(cheatlist[i].val);
DoubleWordSwap(cheatlist[i].enable);
#endif
}
fclose (fp);
return 0;
}
void UICheats::on_pbClear_clicked()
{
// clear cheats
CheatClearCodes();
// clear treewidget items
twCheats->clear();
// disable buttons
pbDelete->setEnabled( false );
pbClear->setEnabled( false );
}
void retro_cheat_reset(void)
{
CheatClearCodes();
}
