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-rw-r--r--src/emu/machine/saturn.c5
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.
**************************************************************************************/