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perfect6502/broken_transistors.c
Michael Steil 3ef6b7636a cleanup
2010-10-05 16:18:28 +00:00

54 lines
1.1 KiB
C

#define MAX_CYCLES 33000
BOOL log_rw[MAX_CYCLES];
uint16_t log_ab[MAX_CYCLES];
uint8_t log_db[MAX_CYCLES];
int
main()
{
setupNodesAndTransistors();
for (int run = -1; run < transistors; run ++) {
#if 0
/* skip a few runs! */
if (run == 0)
run = 180;
#endif
if (run != -1) {
printf("testing transistor %d: ", run);
broken_transistor = run;
}
bzero(memory, 65536);
init_monitor();
resetChip();
BOOL fail = NO;
for (int c = 0; c < MAX_CYCLES; c++) {
step();
if (run == -1) {
log_rw[c] = isNodeHigh(rw);
log_ab[c] = readAddressBus();
log_db[c] = readDataBus();
} else {
if (log_rw[c] != isNodeHigh(rw)) {
printf("FAIL, RW %d instead of %d @ %d\n", isNodeHigh(rw), log_rw[c], c);
fail = YES;
break;
}
if (log_ab[c] != readAddressBus()) {
printf("FAIL, AB 0x%04x instead of 0x%04x @ %d\n", readAddressBus(), log_ab[c], c);
fail = YES;
break;
}
if (log_db[c] != readDataBus()) {
printf("FAIL, DB 0x%02x instead of 0x%02x @ %d\n", readDataBus(), log_db[c], c);
fail = YES;
break;
}
}
}
if (run != -1 && !fail)
printf("PASS\n");
}
}