diff options
-rw-r--r-- | src/mame/drivers/pokerout.cpp | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/src/mame/drivers/pokerout.cpp b/src/mame/drivers/pokerout.cpp index 62987ef60e0..40cc538a880 100644 --- a/src/mame/drivers/pokerout.cpp +++ b/src/mame/drivers/pokerout.cpp @@ -17,6 +17,7 @@ 1x AY-3-8910. 1x TI TMS9129NL (Video Display Processor). 1x Altera EP310-DC (EPLD). + 1x TBA820 (2 Watt Audio Amplifier). 2x 27128 EPROMS. @@ -32,12 +33,13 @@ The following components made me suspect that there is some sort of TX-RX circuitry to connect with an external device for unknown purposes. + Maybe a kind of device to trigger remote credits... - 1x TBA820 ; 2 Watt Audio Amplifier. 1x HEF4528BP ; Dual Monostable Multivibrator 3/15V. 1x MM53200N ; Encoder/Decoder. Digital Code Transmitter-Receiver System. 1x L200C ; 2.8 -> 36V. Voltage Regulator. 1x SN94501N ; Unknown... No Data. + 1x BC237B ; NPN transistor. PCB layer: @@ -47,18 +49,18 @@ | .----------. | | |DM74LS139N| | | '----------' .-------------. .---------. .---------. .---------. .----------. .----------. | - | | Z8430AB1 | |SN74LS32N| |SN74LS00N| | 74LS02? | |SN74LS74AN| | 74LS0?? | | + | | Z8430AB1 | |SN74LS32N| |SN74LS00N| | 74LS02 | |SN74LS74AN| | 74LS08 | | | | Z80ACTC | '---------' '---------' '---------' '----------' '----------' | | .----------. '-------------' | | |SN74LS74AN| | | '----------' .----. | | |DIP | .----' | .---------. .-------------------. .---------------------. |SWIT| | - | | ??? | | Z8400AB1 | | AY-3-8910 | |CHES| | + | | 74LS175 | | Z8400AB1 | | AY-3-8910 | |CHES| | | '---------' | Z80ACPU | | PSG | | #1 | '----. | '-------------------' '---------------------' '----' .------------. ====| | .---------. | T74LS244B1 | 2 ====| - | | ??? | '------------' x ====| + | | 74LS273 | '------------' x ====| | '---------' 2 ====| | 2 ====| | .---------. ====| @@ -86,11 +88,11 @@ | '----------' | | | | | - | .---------. .-------. | + | .---------. .--|||--. | | .---------. | TBA820 | | L200C | | - | |HEF4528BP| '---------' .--+-------+--. | - | '---------' | HEATSINK | | - | '-------------' | + | |HEF4528BP| .------. '---------' .--+-------+--. | + | '---------' |BC237B| | HEATSINK | | + | '-|||--' '-------------' | | 5981-A | '----------------------------------------------------------------------------------------------------------' @@ -176,7 +178,8 @@ TODO: - Trace/analysis of inputs out of test mode, but used by the code - (Port 90h D0-D3). + (Port 90h D0-D3) + - Identify the writes to ports 80h, 90h & A0h. *******************************************************************************/ |