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FX-82/-83GT/-115/-991ES PLUS Hacking


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#281 user202729

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Posted 22 July 2017 - 03:07 PM

Some bytes in F000-FFFF is writable, but they have effect on the hardware (including some unexpected effect, like the one at http://imgsrc.baidu....10fd8f9a1e4.jpg where half of the screen is blank). Some are just not writable.

#282 LBPHacker

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Posted 22 July 2017 - 03:13 PM

I see. Thanks, that helps immensely. I guess I'm off to rewrite the emulator.



#283 user202729

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Posted Yesterday, 03:17 AM

Note: The emulator does use memory range 8E00 - EFFF (3 bytes 8E00 - 8E02 for keyboard, some bytes around 9802 for accessible memory). I don't know why Casio make the emulator so different from the real calculator.

SopaXorzTaker said

01:20:56    SopaXorzTaker    now make a peri­phernal stub :P
01:24:01    SopaXorzTaker    Some­where in data memory at off­set +9849
is not correct, as a result of my previously incorrect cheat table.




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