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HP-71b card reader eprom module issues
09-07-2020, 09:27 PM (This post was last modified: 09-07-2020 09:34 PM by coitboy2000.)
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RE: HP-71b card reader eprom module issues
(09-07-2020 02:47 PM)J-F Garnier Wrote:  
(09-07-2020 02:04 PM)coitboy2000 Wrote:  The .bin images were tested in emu71 as IRAMs and worked fine. The burning was also verified as ok. Any thoughts as to why this may be happening ?

Did you complement the bytes from the .bin image to the EPROM for the HHP reader (see here for instance) ?

J-F

I did see that but was unsure what it means by complemented? Is it just replacing 00s with FFs?

Richard
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RE: HP-71b card reader eprom module issues - coitboy2000 - 09-07-2020 09:27 PM



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