diff options
Diffstat (limited to 'src/emu/machine/saturn.c')
-rw-r--r-- | src/emu/machine/saturn.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/emu/machine/saturn.c b/src/emu/machine/saturn.c index f2bb7afd53f..a9ad0638c68 100644 --- a/src/emu/machine/saturn.c +++ b/src/emu/machine/saturn.c @@ -4,7 +4,7 @@ Sega Saturn (c) 1994 Sega - List of things that needs to be implemented: + @todo List of things that needs to be implemented: - There's definitely an ack mechanism in SCU irqs. This is almost surely done via the ISM register (i.e. going 0->1 to the given bit acks it). - There might be a delay to exactly when SCU irqs happens. This is due to the basic @@ -38,7 +38,8 @@ H counter value 0x0ec (236) -> 0xe0 H counter value 0x12c (300) -> 0x100 - Timer 1 seems to count backwards compared to Timer 0 from setting 0x6b onward. - + - Yabause claims that if VDP2 DISP bit isn't enabled then vblank irqs (hblank too?) + doesn't happen. **************************************************************************************/ |