Macintosh-HW/MacIIROMDiskDriver
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Fixed start pointer computation

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This commit is contained in:
Zane Kaminski 2020-06-24 14:11:30 -04:00
parent d771788f90
commit 410a4d37b6
1 changed files with 1 additions and 0 deletions
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rdisk.c
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@ -191,6 +191,7 @@ OSErr RDiskPrime(IOParamPtr p, DCtlPtr d) {
case fsFromMark: offset = d->dCtlPosition + p->ioPosOffset; break; case fsFromMark: offset = d->dCtlPosition + p->ioPosOffset; break;
default: offset = 0; break; //FIXME: Error if unsupported ioPosMode? default: offset = 0; break; //FIXME: Error if unsupported ioPosMode?
} }
disk += offset;
// Bounds checking // Bounds checking
/*if (offset >= RDiskSize || p->ioReqCount >= RDiskSize || /*if (offset >= RDiskSize || p->ioReqCount >= RDiskSize ||
offset + p->ioReqCount >= RDiskSize || offset + p->ioReqCount >= RDiskSize ||