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Merge pull request #6723 from cam900/pgm_zoom

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pgm.cpp: Add some hardware notes
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R. Belmont 2020-05-21 16:23:56 -04:00 committed by GitHub
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1 changed files with 6 additions and 2 deletions
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src/mame/drivers/pgm.cpp
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@ -50,9 +50,13 @@ Known Games on this Platform
(add more) (add more)
ToDo: TODO:
IRQ4 generation - Puzzli 2 doesn't like this, many other games require it for coins / inputs to work. - IRQ4 generation - Puzzli 2 doesn't like this, many other games require it for coins / inputs to work.
- Verify/Implement unemulated vreg usage (b04000, b0e000)
b04000 is 210h or 610h, bit 10 unknown
b0e000 bit 2/0 related to VRAM access / DMA / or others?
- Zooming function is not fully verified; sprite zoom table is bit different in drgw2
Protection Devices / Co-processors Protection Devices / Co-processors