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author Lord-Nightmare <Lord-Nightmare@users.noreply.github.com>2017-06-04 04:01:22 -0400
committer Lord-Nightmare <Lord-Nightmare@users.noreply.github.com>2017-06-04 04:01:22 -0400
commite3fa1b874ec1b16d65a9ccdf79c6ffb2598f9a30 (patch)
tree5e53e48aab681588a30ece4e57af124edf1c4650 /src/devices/sound/ay8910.cpp
parentd00079702a90a5316de199e82042cca53035bd47 (diff)
various comment updates (nw)
Diffstat (limited to 'src/devices/sound/ay8910.cpp')
-rw-r--r--src/devices/sound/ay8910.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/devices/sound/ay8910.cpp b/src/devices/sound/ay8910.cpp
index 78847be413a..4177dc8aec7 100644
--- a/src/devices/sound/ay8910.cpp
+++ b/src/devices/sound/ay8910.cpp
@@ -398,8 +398,8 @@ AY-3-8914/A: 2 I/O ports
AY-3-8914A die is unknown.
AY-3-8916: 2 I/O ports
A7 thru A4 enable state for selecting a register can be changed with a
- factory mask adjustment but was 1111 for the part shipped with the
- Intellivision ECS module.
+ factory mask adjustment; its mask is unknown. This chip was shipped
+ with certain later Intellivision II systems.
Pins 24, 25, and 26 are /A9, /A8(!), and TEST2, which are an active low,
low(!) and high chip enable, respectively.
NOTE: the /A8 enable polarity may be mixed up with AY-3-8917 below.