Tetris (bootleg set 3)

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EMU Infos
dumper f205v
date 06/11/2010
emulator MAME 0.156
dev Osso
PCB Infos
name atetrisb3 on ProgettoEMMA
atetrisb3 on Arcade Database
description Tetris (bootleg set 3)
year 1988


Technical references


QTY Type clock position function
1x SY6502 MHz 1st PCB 8-bit Microprocessor - main
3x SN76489AN MHz 1st PCB Digital Complex Sound Generator - sound
1x UM6502A MHz 2nd PCB 8-bit Microprocessor - main
4x SN76489AN MHz 2nd PCB Digital Complex Sound Generator - sound
1x P8749H MHz both PCBs PCB 8-bit Microcontroller - main (internal ROM dumped)
1x oscillator 4.000 both PCBs 40
1x oscillator 10.000MHz both PCBs 107
1x oscillator 14.31818MHz both PCBs 143


QTY Type position status
1x KM28C16 both PCBs ROM B dumped
2x 27C512 both PCBs ROM A, ROM C dumped
1x Am27S19P 1st PCB dumped
1x N82S123N 2nd PCB dumped


QTY Type position
1x HM6264LP-15 1st PCB
1x UM6116K-2 1st PCB
1x KM6264AL-10 2nd PCB
1x V61C16S55L 2nd PCB


QTY Type position status
2x GAL18V8A-25LP 1st PCB read protected
2x PALCE18V8H-25PC/4 1st PCB read protected
2x PAL16R4B-2CN 1st PCB read protected
6x PAL18l8ACN 2nd PCB read protected


1x 28x2 JAMMA edge connector
1x trimmer (volume)
1x 4 DIP switches bank (1st PCB)
1x 5 DIP switches bank (2nd PCB)


PCB is marked: "RC-1108" on component side
PCB is labeled: "R.K" on component side

update 20141226: better description of CHIPs.

update 20180311: found a second PCB for the same game. Slightly more complex hardware (1x additional SN76489SN, 1x additional DIP switch, a few more TTLs), but the game is identical. Dumped the PROMs.



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