From ab0d7bedc06dcb464e1f545f677997654546d29c Mon Sep 17 00:00:00 2001 From: cam900 Date: Thu, 21 May 2020 22:38:49 +0900 Subject: [PATCH] pgm.cpp: Add some hardware notes --- src/mame/drivers/pgm.cpp | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/src/mame/drivers/pgm.cpp b/src/mame/drivers/pgm.cpp index 6d08c04dee8..57ec693a953 100644 --- a/src/mame/drivers/pgm.cpp +++ b/src/mame/drivers/pgm.cpp @@ -50,9 +50,13 @@ Known Games on this Platform (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