Memory Map
Updated: June 09, 2023 at 19:29 CESTThe following table shows a short overview of Bomb Jack memory map as seen and used by Z80.
| Address | Size | Type | Access | Description |
|---|---|---|---|---|
| $0000 | $1FFF | ROM | RO | 09_j01b.bin |
| $2000 | $3FFF | ROM | RO | 10_101b.bin |
| $4000 | $5FFF | ROM | RO | 11_m01b.bin |
| $6000 | $7FFF | ROM | RO | 12_n01b.bin |
| $8000 | $0FFF | RAM | RW | general purpose RAM |
| $9000 | $03FF | VRAM | RW | character map |
| $9400 | $03FF | VRAM | RW | attribute map |
| $9820 | $005F | VRAM | WO | object attribute memory |
| $9A00 / $9A01 | - | I/O | WO | object size select |
| $9C00 | $00FF | CRAM | WO | color palette memory |
| $9E00 | - | I/O | WO | background picture select |
| $B000 | - | I/O | RW | joystick 1 and NMI |
| $B001 | - | I/O | RO | joystick 2 |
| $B002 | - | I/O | RO | coins acceptors nd start buttons |
| $B003 | - | I/O | RW | watchdog reset |
| $B004 | - | I/O | RW | dip switch 1 and screen flip |
| $B005 | - | I/O | RO | dip switch 2 |
| $B006 | - | I/O | RW | sound latch |
| $C000 | $1FFF | ROM | RO | 13.1r |