mgcaret / rom4x

*Archived because I am not permitted to make/accept changes for the foreseeable future* Improved Apple //c (ROM 4X) and Apple IIc Plus (ROM 5X) firmware.
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Hangs system when Z-RAM ultra III is installed. #9

Open mgcaret opened 5 years ago

mgcaret commented 5 years ago

Suspect https://github.com/mgcaret/rom4x/blob/master/rom4x/B1_E000_rom4x.s#L292

Reported by Javier R.

mgcaret commented 5 years ago

Installed in non-memory expansion IIc with Z-RAM ultra III. Hangs on boot after display of Apple //c title. Menu is displayable.

Stock ROM 4 boots OK.

Suspect Z80 is being activated.