diff options
Diffstat (limited to 'src/mame/drivers/pgm2.cpp')
-rw-r--r-- | src/mame/drivers/pgm2.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mame/drivers/pgm2.cpp b/src/mame/drivers/pgm2.cpp index 785b6953a2c..2d4756ce59e 100644 --- a/src/mame/drivers/pgm2.cpp +++ b/src/mame/drivers/pgm2.cpp @@ -68,6 +68,25 @@ Oriental Legend 2 (Oversea) - V21 Oriental Legend 2 (China) - A8 + GPU registers, located at 301200xx, 16bit access. + 00 - bg scroll x + 02 - bg scroll y + 04 - zoom something, 0F-7F, default 1F + 06 - zoom something, 0F-7F, default 1F + 08 - fg? scroll x + 0a - fg? scroll y + 0e - sprite related, set to 1 at sprite hw init + 10 - sprite related, orleg2 - 0x13, kov2nl - 0x14 + 14 - sprite enable ? set to 0 before spriteram update, to 1 after + 16 - enable access to vrams/palettes/etc ? (bitmask) + 18 - vblank ack + 1a - ? 0 at init + 1c - sprite related, orleg2 - 5, kov2nl - 7 + 1e - sprite related, set to 2 at sprite hw init + 32 - shared RAM bank + 34, 36 - sprite related, set to 0 at sprite hw init, some unused xor feature ? + 38, 3a - sprite mask xor key + */ #include "includes/pgm2.h" |