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-rw-r--r--src/mame/drivers/luckybal.cpp51
1 files changed, 50 insertions, 1 deletions
diff --git a/src/mame/drivers/luckybal.cpp b/src/mame/drivers/luckybal.cpp
index 1349d3743b3..2f2689770cf 100644
--- a/src/mame/drivers/luckybal.cpp
+++ b/src/mame/drivers/luckybal.cpp
@@ -24,11 +24,60 @@
*********************************************************************
+ PCB specs:
+
+ Sikscreened: 'PCB Ver 1.5'
+ Sikscreened: 'SIELCON GAMES'
+ Sikscreened: 'Copyright 1996'
+ Sikscreened: 'MADE IN ARGENTINA'
+
+ 1x Unknown sanded PLCC68 IC (identified as Zilog Z180).
+ 1x unknown sanded DIL24 IC labeled PLD-01.
+ 1x unknown sanded DIL28 IC labeled PLD-02.
+ 1x unknown sanded DIL20 IC labeled PLD-03 @U21.
+ 1x unknown sanded DIL64 IC @U12.
+
+ 1x PPI 8255 (@U10)
+ 3x 4099 (8-Bit Addressable Latch) @U1-U3-U5.
+ 3x 4512 (8-Channel Data Selector) @U2-U4-U7.
+
+ 1x INMOS B IMS1630K-70M (8K x 8 SRAM, DIL28)... NOTE: Replaced by UT6264CPC-70LL in another board.
+ 4x sanded IC's (looks like RAM).
+
+ 1x 27C512 (program ROM).
+ 1x M27C4001 (GFX + sound samples).
+ 1x 24C04 serial EEPROM (missing).
+
+ 1x unknown DAC (DIL16) @U13.
+ 1x LM324 (Single Supply Quad Operational Amplifier)
+
+ 1x Maxim MAX691CPE (battery supervisor).
+
+ 1x 21.47727 MHz. crystal.
+ 1x 12.288 MHz. crystal, near the Zilog Z180.
+
+ 1x 8 DIP Switches bank.
+ 1x pushbutton silkscreened 'PAGE'.
+ 1x pushbutton silkscreened 'RESET'.
+
+ 1x 3.6 V. battery.
+
+ 1x 2x10 blind connector silkscreened 'EXPANSION PORT'.
+ 1x 2x17 blind connector silkscreened 'EXPANSION SLOT'.
+ 1x 6-pin connector silkscreened 'NET'.
+ 1x RS232 connector silkscreened 'RS-232'.
+ 1x 2x28 JAMMA type connector.
+
+*********************************************************************
+
Notes:
- Programming mode is driven through POS#5 controls (joystick + bet button)
- - Identified the CPU as Zilog Z180.
+ - The roulette numbers lamps multiplexion & animation seems to be drive from
+ the DIL28 IC (labeled PLD-02).
+
+ - Identified the PLCC68 CPU as Zilog Z180.
*********************************************************************