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| Undocumented Mode 1 + 2 : Poll/Discussion
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jltursan
msx professional
Berichten: 886 |  Geplaatst: 27 Februari 2007, 21:24 |
Not only the new batch of Sony machines (HB-20 and maybe even the rest of the family, HB-10, HB-201,etc); but also the Toshiba machines seems that they dislike this mirroring. Sadly none of my machines are the offeding ones...  ...or maybe  |
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PlainSpooky
msx friend
Berichten: 8 | Geplaatst: 28 Februari 2007, 02:20 |
ARTRAG:
Try looking the main program "FDBENCH.BAS".
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manuel
msx guru
Berichten: 3528 | Geplaatst: 28 Februari 2007, 21:14 |
Do those machines have a different type of VDP? Is there a list of machines with such a VDP?
Is "VDP Pirates" also one of the programs that fails? (I remember someone said it wouldn't work on a Toshiba HX-10.)
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dvik
msx master
Berichten: 1339 | Geplaatst: 28 Februari 2007, 21:24 |
what tricks does VDP Pirates use?
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jltursan
msx professional
Berichten: 886 | Geplaatst: 28 Februari 2007, 21:53 |
It uses the standard SC0 mode, just some screen splits to change the pattern table and color register. As it's heavily synchronized (without sprites  ) any external hardware plugged that uses interrupts could mess the splits; but the VDP type doesn't matter.
The machines that have been reported as "weird" (all of them seems to have the Toshiba VDP) are:
Toshiba HX-10
Toshiba HX-20
Sony HB-10P
But there're some few reports that talk about having such computers and testing sucessfully the mirroring....maybe some cheap T6950 revision?
A close picture of a Sony HB-10P taken by Viejo archivero
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dvik
msx master
Berichten: 1339 | Geplaatst: 28 Februari 2007, 22:03 |
It would be very interesting to see the Sudoku game running on these machines. The black and white intro is also screen 0 and using heavily synchronized code. Would be very interesting to hear if that part fails running on the machines you mention.
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