Forum: Technische Fragen und Probleme / Tuning
04.12.2025, 13:56
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Antworten: 13
Hits: 9.410
Re: Excel Mach III / 3. Version
Hi,
Before I ask my question, two answers regarding messages #4 and #5.
- Yes, the values A778 and 3b62 are simple 16-bit checksums for each ROM in the E2DA version.
- No, for Excel 68000,...
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Forum: Mess Emu & andere Emulationen / Mess Emu and other Emulations
01.11.2025, 19:46
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Antworten: 2
Hits: 736
A patch for the Novag Constellation
Hi,
The Novag Constellation has some trouble with take back function ("Remis bug", https://www.schach-computer.info/wiki/index.php/Bugs).
This patch fixes it.
In "8314_orange" rom, change
...
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Forum: Die ganze Welt der Schachcomputer / World of chess computers
25.10.2025, 01:53
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Antworten: 62
Hits: 15.056
Re: AW: Mephisto T+T (im Academy)
Hello,
It seems to be a bug with nvram.
MessExtra works well at level 40/120 and no nvram file.
(version MessExtra : 46603 Ko, 27/09/25,...
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Forum: Technische Fragen und Probleme / Tuning
04.09.2025, 11:38
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Antworten: 2
Hits: 369
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Forum: Mess Emu & andere Emulationen / Mess Emu and other Emulations
06.07.2025, 13:50
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Antworten: 16
Hits: 4.329
Re: A patch for Novag Super system III
Hi ,
I have finish the patch for the Novag Super system III.
The patch is implemented in D8C2 in place of many FF :
D8C2: 95 45
D8C4: A9 00
D8C6: 85 1D
D8C8: A9 08
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Forum: Mess Emu & andere Emulationen / Mess Emu and other Emulations
23.06.2025, 16:27
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Antworten: 16
Hits: 4.329
Re: A patch for Novag Super system III
Hi Fhub,
In many chess computers, bits are used to indicate if castlings are possible.
When the rook or the king moves, bit change to forbid castling.
In ssystem3|4, bits are used to indicate...
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Forum: Mess Emu & andere Emulationen / Mess Emu and other Emulations
23.06.2025, 16:02
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Antworten: 16
Hits: 4.329
Re: A patch for Novag Super system III
Hi,
I'm sorry to inform you that my patch isn't working properly.
It's only my fault: I misunderstood the code of ssystem3 (and ssystem4).
I'll come back when I have a solution, but it will be...
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Forum: Mess Emu & andere Emulationen / Mess Emu and other Emulations
22.06.2025, 18:10
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Antworten: 16
Hits: 4.329
Re: AW: A patch for Novag Super system III
Hi Fhub,
I checked the code of ssystem4, it's seems to be good (not the same as ssystem3).However I didn't trace it.
I began a game with ssystem4 on CB-Emu, and after 4 moves I suppress a white...
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Forum: Mess Emu & andere Emulationen / Mess Emu and other Emulations
22.06.2025, 15:54
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Antworten: 16
Hits: 4.329
Re: AW: A patch for Novag Super system III
Hi Mark 1,
I think is a pure coincidence : as you said, not the same developers (Kittinger create Mychess/Savant alone), but also not the same processor (6502 versus Z-80).
And the Savant promote...
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Forum: Mess Emu & andere Emulationen / Mess Emu and other Emulations
22.06.2025, 09:16
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Antworten: 16
Hits: 4.329
A patch for Novag Super system III
Hi,
This is a patch for Novag Super system III to accept castling after setup a position (following the request from Mark 1
https://www.schachcomputer.info/forum/showpost.php?p=132559&postcount=2...
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Forum: Technische Fragen und Probleme / Tuning
09.06.2025, 18:55
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Antworten: 53
Hits: 9.757
Re: H8 Bug
Hi,
The H8 bug is now fixed : https://www.schachcomputer.info/forum/showthread.php?t=7280
Cordialy,
mychess
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Forum: Mess Emu & andere Emulationen / Mess Emu and other Emulations
09.06.2025, 18:34
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Antworten: 12
Hits: 4.383
THE PATCH FOR ALL CHESS COMPUTERS WITH H8 BUG
Hi,
The H8 bug is present in many chess computers from Saitek (since 1997, 28 years!):
Saitek Talking Chess Academy
Saitek Cosmos
Saitek Centurion
Saitek Cougar
Saitek Challenger
Saitek...
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Forum: Mess Emu & andere Emulationen / Mess Emu and other Emulations
07.06.2025, 12:29
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Antworten: 4
Hits: 1.829
Only be recognised as the author of the patch
Hi,
I have made 4 patches for chess computers (Sapphire, Emerald Classic plus, Cougar/Centurion and Conic Computer Chess) to fix different bugs.
Further to a comment on the site...
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