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NOV64d with HEPAX STD & HEPAXRAM & CCD
06-06-2024, 10:38 AM
Post: #1
NOV64d with HEPAX STD & HEPAXRAM & CCD
i have a minor problem with following configuration

- HP41CV Halfnut from 1986
- NOV64d Module
- NOV64D config:
- HEPAX 1D
- CCDL B on page C
- CCDU B on page D

I am am using Matrix and Hex functions without any problems. The ROMID is #9
I run into trouble with the I/O functions e.g. INPT or PMTK with XROM number #11,xx and son on.

With XEQ they excecute programs stored in Heapax ram!

If I switch to an empty HEPAX ram page (HEXEDIT:4100) then NONEXISTENT appears.

I/O finctions are listet in CAT 2

The reason is clear, the HEPAXram (HEXEDIT: 8000) first byte is "B" which is 11 dec. so this is a conflict with the CCD I/O functions. The byte stands for the ROMID.

I changed the byte to 1B and now the I/O function work. But may be this could corrupt my HEPRAM.

So is there a workarond that the romid can be set manually?
Or a special nov64d config?
Ralf

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NOV64d with HEPAX STD & HEPAXRAM & CCD - Hiwi - 06-06-2024 10:38 AM



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