diff options
author | Roberto Fresca <robertof@mamedev.org> | 2014-05-13 20:40:02 +0000 |
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committer | Roberto Fresca <robertof@mamedev.org> | 2014-05-13 20:40:02 +0000 |
commit | 66d9abd7c6d0414ba133738d24218bcd5612e7d2 (patch) | |
tree | 9ffe55cbd514f5cbb39853b32737dfbe9bdd1f5b /src/mame | |
parent | e356264186d27a3841e972ca0afdd14ff30d25e1 (diff) |
Coco Loco: Added AY-3-8910 channels discrete circuitry ASCII layout.
Diffstat (limited to 'src/mame')
-rw-r--r-- | src/mame/drivers/cocoloco.c | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/src/mame/drivers/cocoloco.c b/src/mame/drivers/cocoloco.c index ab2a16d024f..99a3781e1d5 100644 --- a/src/mame/drivers/cocoloco.c +++ b/src/mame/drivers/cocoloco.c @@ -29,6 +29,37 @@ ******************************************************************************* + AY-3-8910 channels discrete circuitry + ------------------------------------- + + +12v + --. EC + | .----| |----. + .------. R 4K7 | | --' | + | 03|---/\/\/\/--. +---+ 470uf 25v +----. + | | R 4K7 | | | | | + | 04|---/\/\/\/--+----. | '----| |----' -+- + | | R 4K7 | | EC | 0.1 uf GND + | 38|---/\/\/\/--' Z 10uf 16v |\|5 EC + | | Z 5K .-- 1| \ 100uf 25v + | AY-3 | Z <---------| |--------------| \LM383T + --. + | 8910 | Z POT '-- + | >-----+------| |-----------> SPKR (edge pin 22) + | | Z .-----| / 4 | --' + | | | + --. | 2| / Z R .----> SPKR (edge pin 21) + | | -+- .----| |--' |/|3 Z 220 | + | | GND | --' | Z -+- + | | | 470uf 25v -+- | GND + | | | EC GND | .--| |---. + '------' | | | 0.1 uf | + +-------------------------+---+ +----. + | | 0.1 uf | | + | R 2.2 '--| |---' -+- + '--/\/\/\/--. GND + | + -+- + GND + +******************************************************************************* + *** Memory Map *** $0000 - $00FF RAM ; Zero Page (pointers and registers) |