Tetris (bootleg set 3)
From Citylan
| dumper | f205v |
| date | 06/11/2010 |
| emulator | MAME 0.156 |
| dev | Osso |
| name | atetrisb3 on ProgettoEMMA atetrisb3 on Arcade Database |
| description | Tetris (bootleg set 3) |
| year | 1988 |
| manufacturer |
Technical references
CPUs
| 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 |
ROMs
| QTY | Type | position | status |
|---|---|---|---|
| 1x | KM28C16 | both PCBs ROM B | dumped |
| 2x | 27C512 | both PCBs ROM A, ROM C | dumped |
| 1x | Am27S19P | 1st PCB | not dumped yet |
| 1x | N82S123N | 2nd PCB | not dumped yet |
RAMs
| QTY | Type | position |
|---|---|---|
| 1x | HM6264LP-15 | 1st PCB |
| 1x | UM6116K-2 | 1st PCB |
| 1x | KM6264AL-10 | 2nd PCB |
| 1x | V61C16S55L | 2nd PCB |
PLDs
| QTY | Type | position | status |
|---|---|---|---|
| 2x | GAL18V8A-25LP | read protected | |
| 2x | PALCE18V8H-25PC/4 | read protected | |
| 2x | PAL16R4B-2CN | read protected |
Others
1x 28x2 JAMMA edge connector
1x trimmer (volume)
1x 4x2 switches DIP
Notes
20141226: update with better description of CHIPs.
Files
-
PCB component side
-
PCB solder side
-
Title
-
Attract mode
934
