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drogon
PostPosted: Fri Oct 23, 2020 3:35 pm 
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Joined: Wed Feb 14, 2018 2:33 pm
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Location: Scotland
Probably a very long shot, but ....

Has anyone with a W65C134SXB and the 128KB EEPROM managed to program it in-situ?

I think it's possible (lets quietly forget the banking for now - I'm just after a proof of concept) from code running in RAM..

Cheers,

-Gordon

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See my Ruby 6502 and 65816 SBC projects here: https://projects.drogon.net/ruby/
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BitWise
PostPosted: Fri Oct 23, 2020 3:42 pm 
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I've not tried programming the flash on my 134SXB yet but it should be virtually the same as the 265SXB. My 265SXB hacker code is here:
https://github.com/andrew-jacobs/w65c265sxb-hacker
The E, W and X commands erase and program the flash.

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6502 & PIC Stuff - http://www.obelisk.me.uk/
Cross-Platform 6502/65C02/65816 Macro Assembler - http://www.obelisk.me.uk/dev65/
Open Source Projects - https://github.com/andrew-jacobs
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drogon
PostPosted: Fri Oct 23, 2020 4:01 pm 
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BitWise wrote:
I've not tried programming the flash on my 134SXB yet but it should be virtually the same as the 265SXB. My 265SXB hacker code is here:
https://github.com/andrew-jacobs/w65c265sxb-hacker
The E, W and X commands erase and program the flash.


Thanks!

-Gordon

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See my Ruby 6502 and 65816 SBC projects here: https://projects.drogon.net/ruby/
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