749,751c749
< if(miscRegIndex < 0 ||
< (miscRegIndex >= MinWriteOnlyIpr &&
< miscRegIndex <= MaxWriteOnlyIpr))
---
> if(miscRegIndex < 0 || !IprIsReadable(miscRegIndex))
764,766c762
< if(miscRegIndex < 0 ||
< (miscRegIndex >= MinReadOnlyIpr &&
< miscRegIndex <= MaxWriteOnlyIpr))
---
> if(miscRegIndex < 0 || !IprIsWritable(miscRegIndex))