Bomb Jack (Bootleg) E720: Difference between revisions
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|2x || [[ | |2x || [[27128|27128]] || || dumped | ||
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Latest revision as of 13:35, 19 March 2015
| dumper | Tirino73 |
| date | 26/08/2008 |
| emulator | MisfitMAME 0.127.A |
| dev | Robert |
| name | [E720] - bombjckb |
| description | Bomb Jack (Bootleg) E720 |
| year | 1984 |
| manufacturer | Seo Jin |
Technical references
CPUs
| QTY | Type | clock | position | function |
|---|---|---|---|---|
| 1x | Z80A | 8-bit Microprocessor - main | ||
| 1x | Z80 | 8-bit Microprocessor - sound | ||
| 2x | AY-3-8910 | Programmable Sound Generator - sound | ||
| 1x | oscillator | 12MHz | ||
| 1x | oscillator | 4MHz |
ROMs
| QTY | Type | position | status |
|---|---|---|---|
| 2x | 27128 | dumped |
RAMs
| QTY | Type | position |
|---|
PLDs
| QTY | Type | position | status |
|---|
Others
Notes
Note:There is not present one PSG (the middle precisely),probably to reduce production costs.So,some sfx are missed :When you die. Sound cpu ram was been reduced,too:The 6116 was been replaced by two 2114.
bjb_13 and bjb_14 part of main program.The first half of eproms are identical to 11_m01b and 09_j01b respectively,the second half to 12_n01b and 10_l01b The rest are identical to existing set 1.
Bomb Jack bootleg alternate set on "inferior" hardware
This romset comes from a bootleg pcb released by the "company" Seo Jin. Game differences are none.
update 20080827 redump
Files
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top PCB component side
-
bottom PCB component side
-
Read me
720
