Zero (bootleg of Defender, set 2)
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| dumper | f205v |
| date | 31/07/2006 |
| emulator | MAME 0.107u4 |
| dev | David Haywood |
| name | zero2 on ProgettoEMMA zero2 on Arcade Database |
| description | Zero (bootleg of Defender, set 2) |
| year | 1980 |
| manufacturer | Amtec |
Technical references
CPUs
| QTY | Type | clock | position | function |
|---|---|---|---|---|
| 1x | F6808 | 5h | 8-bit Microcontroller - main | |
| 2x | MC6821P | - | 2h, 6f | Peripheral Interface Adapter |
| 1x | oscillator | 3.579545 | 5j |
ROMs
| QTY | Type | position | status |
|---|---|---|---|
| 1x | M5L2716 | 6b | dumped |
| 4x | TMS2732JL | 1b,2a,2b,3b | dumped |
| 3x | HN462532 | 1a,3a,3c | dumped |
RAMs
| QTY | Type | position |
|---|---|---|
| 1x | MCM6810 | 6d |
PLDs
| QTY | Type | position | status |
|---|---|---|---|
| 0x |
Others
1x 10 legs connector
1x 9 legs connector
2x 4 legs connector
1x 40 pins flat cable connector
1x trimmer (volume)
Notes
PCB is marked: "MB1121" and "FACE ELEMENTS" on component side
PCB is marked: "FACE SOUDURES" on solder side
update 20220717: better description
Files
-
PCB component side
-
PCB solder side
442
