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author davidhay <davidhay@localhost>2008-04-17 21:55:08 +0000
committer davidhay <davidhay@localhost>2008-04-17 21:55:08 +0000
commit1fd94a3f81cc93e38b86dd12552496d3c37ae837 (patch)
tree6b190bb5f821198186538f62f6b62283bc999c6d
parent8d3f5c0b0bb8ab05d485b2cf6ec06119b97f9be7 (diff)
adds a note about rom banking based on actual hardware test done by dox
-rw-r--r--src/mame/drivers/raiden2.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/src/mame/drivers/raiden2.c b/src/mame/drivers/raiden2.c
index c4ac8ea3cab..7129db1c493 100644
--- a/src/mame/drivers/raiden2.c
+++ b/src/mame/drivers/raiden2.c
@@ -1,5 +1,14 @@
-/*
+/* raiden 2 board test note 17/04/08 (based on test by dox)
+
+ rom banking is at 6c9, bit 0x80
+ -- the game only writes this directly at startup, must be written indirectly by
+ one of the protection commands? or mirrored?
+ value of 0x80 puts 0x00000-0x1ffff at 0x20000 - 0x3ffff
+ value of 0x00 puts 0x20000-0x3ffff at 0x20000 - 0x3ffff
+*/
+
+/*
Raiden 2 Hardware
Games on this PCB / Similar PCBs