diff options
author | AJR <ajrhacker@users.noreply.github.com> | 2017-01-14 00:07:49 -0500 |
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committer | AJR <ajrhacker@users.noreply.github.com> | 2017-01-14 00:08:54 -0500 |
commit | 8418a1606914c579af1489398085f185440e2f75 (patch) | |
tree | 5547da934907f22e35d29773de8267221f0453a3 /src/mame/drivers/play_2.cpp | |
parent | 7814a8403c2b63ac4454e1ed0a2c758783f04320 (diff) |
Identify EFO90503 and note usage; improve notes on EFO sound boards (nw)
Diffstat (limited to 'src/mame/drivers/play_2.cpp')
-rw-r--r-- | src/mame/drivers/play_2.cpp | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/src/mame/drivers/play_2.cpp b/src/mame/drivers/play_2.cpp index b62b562d8d1..c82e80a76cf 100644 --- a/src/mame/drivers/play_2.cpp +++ b/src/mame/drivers/play_2.cpp @@ -3,12 +3,17 @@ /********************************************************************************** PINBALL -Playmatic MPU 2 - -4 different sound boards were used. -- Those without sound roms use a CDP1863 -- Zira uses a COP402 and a AY-3-8910 -- Cerberus uses a 90435 (appears to be a CDP1802) and a 90503 (unknown) +Playmatic MPU-C + +The IOS board common to all games provides sound effects through the CDP1863. +4 different add-on sound boards were also used: +- Black Fever has the Speaking System board, which produces analog signals for + controlling an 8-track tape player. +- Zira uses the Sound-2 board with a COP402 and AY-3-8910. The latter device is + also supposedly used to control lights through a separate connector. +- Cerberus uses the Sound-3 board with a 90435 processor, which is most likely a + CDP1802 by another name. The 90503 "synthesizer" is the only sound IC on this + board; it has a TI logo and seems at least pin-compatible with TMS52xx. - Mad Race uses a Sound Board IV (same as MPU-3 and later), but I/O ports that talk to it are unknown. |