From 000f9fc043c9898d76907aae0ff2a28fc817d1c2 Mon Sep 17 00:00:00 2001 From: Lord-Nightmare Date: Mon, 13 Feb 2017 20:05:47 -0500 Subject: [PATCH] more notes (n/w) --- src/mame/drivers/arkanoid.cpp | 1 + 1 file changed, 1 insertion(+) diff --git a/src/mame/drivers/arkanoid.cpp b/src/mame/drivers/arkanoid.cpp index df743e525db..c0a3ae1546c 100644 --- a/src/mame/drivers/arkanoid.cpp +++ b/src/mame/drivers/arkanoid.cpp @@ -807,6 +807,7 @@ a15 a14 a13 a12 a11 a10 a9 a8 a7 a6 a5 a4 a3 a2 a1 a0 * * 74LS139@IC80 side '1' 1 1 0 0 x * * * * * * * * * * * RW 6116 SRAM 1 1 0 1 IO AREA + * * 74LS139@IC80 side '2' * * 74LS155@IC25 both sides 1 and 2 1 1 0 1 x x x x x x x 0 0 x x 0 RW YM2149 BC2 low 1 1 0 1 x x x x x x x 0 0 x x 1 RW YM2149 BC2 high