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author Angelo Salese <angelosa@users.noreply.github.com>2019-07-04 23:04:51 +0200
committer GitHub <noreply@github.com>2019-07-04 23:04:51 +0200
commite4731ddfbf46d1f153136619f4eab5909d530e4c (patch)
tree24313a48a1c88d0b9afcffa012d5ffcdeded4a90
parente121b90ac8b40efb73d2f251a1ca2035b2cd473d (diff)
shangha3.cpp: document debug mode (nw)
-rw-r--r--src/mame/drivers/shangha3.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/mame/drivers/shangha3.cpp b/src/mame/drivers/shangha3.cpp
index 36958a6a598..de9b2250f89 100644
--- a/src/mame/drivers/shangha3.cpp
+++ b/src/mame/drivers/shangha3.cpp
@@ -30,6 +30,14 @@ Notes:
- a Blocken PCB shot shows a 48 MHz xtal, game is definitely too slow at
8 MHz (noticeable thru colour cycling effects)
- Confirmed OSC is 48MHz and OKI resonator is 1.056MHz.
+- Hebereke no Popoon has various debug mode switches, the ones found so far:
+ $30878e: bit 0 enable, active low.
+ If enabled correctly all of the non gameplay screens become
+ text stubs;
+ $aff14: a non-zero value enables CPU usage in 2p mode.
+ As a side-effect this also makes winning condition to never
+ satisfy, it goes on indefinitely with the selected characters and
+ input methods.
***************************************************************************/