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MAME
07/22/19 06:27 PM
Originally Posted by shattered
Yet another obscure Soviet TV game -- http://alemorf.ru/comps/kroha/index.html. Apparently, never reached retail.

Extremely simple design -- a 8080, two joysticks and a beeper. Black and white output. A single cart with five games (Breakout, Tetris, Snake, Xonix, Choplifter). Soon in MAME smile


Gameplay video: https://www.youtube.com/watch?v=TApB1w1hExg
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MAME
07/22/19 04:49 PM
Nope ... "pcilib ... cannot find any working access method". I think my original dump's probably fine, there's just some relocation trickery going on which will have to wait for one of the devs.
Thanks for the suggestion of flashrom. The page you linked to is a nightmare, though ...
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MAME
07/21/19 10:07 PM
Cheers Henrik and thanks Ryan for donating another game I've never played.

I'm going back through the multi screen games and adding Background Only views like the last 2 games. I'll notify when those are done.
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MAME
07/21/19 07:03 PM
William Schaub has been doing some serious digging on IRATA.ONLINE, and has extracted the source code for the PLATO resident that is downloaded to the terminal. It may provide some much needed insight into emulation implementation.

https://drive.google.com/open?id=1iCGQL_q3jcryJkIFzILxI7FAjQe38C1-

-Thom
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MAME
07/21/19 09:07 AM
Originally Posted by TSCHAK
Great work, so far! I was able to boot it. Something to note, the Monitor/TV modes interpret their palettes differently, the monitor uses the RGBI palette, of the top 4 most significant bits only. This may be why the text is purple in monitor mode.

-Thom


It goes purple because the firmware rotates the top four bits into the four bottom bits when in monitor mode. I've yet to find if it triggers a bit somewhere else...
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MAME
07/21/19 12:18 AM
What RB said - I'm personally eager for having a VICE-like experience, but the real value comes from the next thousand front ends :-)
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MAME
07/17/19 06:18 PM
I did a test:

set sp to 0x10
set pc to 0x0 which contains 'push sp'

Do a single step:

0x10 is written to DATA RAM:0x11

So it seems to increment the Address, and write the initial SP value to that location.
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MAME
07/17/19 05:21 PM
yeah, it is. and yes, that's correct. smile
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