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Coin-Op : Arcade : Off The Wall : "offtwalc" Virtual Machine

Overview

ROM Set/Virtual Machine: offtwalc
Long Name: Off the Wall (2-player cocktail)
Manufacturer: Atari Games
Year: 1991
Clone?: Yes, of offtwall
Implemented In: offtwall.c
Monitor Type: raster
Orientation: horizontal
Resolution: 336 x 240 (w x h)
Colors: 2048

NOTE: These are MAME "Virtual Machines." These virtual machines are ROM-specific but contain address space information (memory maps) that may be useful when debugging hardware. There may be descrencies between MAME's definition of the hardware, and actual hardware. Information is provided for reference only. THERE ARE NO ROMS ANYWHERE ON THIS WEB SITE.


Driver Details

ROM Regions:

Region ROM File Start - End CRC 9010A SHA1
CPU1 090-2612.rom 0 - 1FFFF FC891A3F CDDC 027815a20fbc6c0c9242768581b97362b39941c2
CPU1 090-2613.rom 1 - 20000 805D79D4 380C 943ec9f408ba875bdf1794ce7d24803043480401
CPU2 otw1020.bin 10000 - 13FFF 488112A5 BE97 55e84855daacfa303d1031de8c9adb992a846e21
GFX1 090-1614.rom 0 - 1FFFF 307ED447 7562 acee15e58cd8def8e52a7586aa14240e1f8be319
GFX1 090-1616.rom 20000 - 3FFFF A5BD3D9B 5C38 756d96eac2398dc68679b7641acbf0e79204eebb
GFX1 090-1618.rom 40000 - 5FFFF C7D9DF5D B00B d5e5fbb7faf42d865862b9ac60f94d20820b00f3
GFX1 090-1615.rom 60000 - 7FFFF AC3642C7 A8D0 bb57e039c113c4ce5702983c8e01dbe286d7b58e
GFX1 090-1617.rom 80000 - 9FFFF 15208A89 61FC 124484ab54959a1e6d9022a4f3ee4288a79c768b
GFX1 090-1619.rom A0000 - BFFFF 8A5D79B3 449A 0a202d20e6c86989ce2223e10eadf9009dd6ca8e

NOTE: These are the "ROM Regions" defined in the MAME "Virtual Machine." Usually these correspond to actual CPUs or Sound CPUs. Occasionally they will not. Occasionally they will be wrong, or they will not be mappable locations. Paging is usually handled through a software "hack" and not represented in this map.
9010A: Refers to the Fluke 9010A Signature Analysis algorithm. You should independently confirm these signature numbers before using. Different ROM versions will have different signatures.

Emulated CPUs:

CPU: 68000
CPU#: 1
Sound?: No
Fluke 9010A Script
Start - End   R   W 
0 - 37FFF r w
38000 - 3FFFF r w
120000 - 120FFF r w
260000 - 260001 r
260002 - 260003 r
260010 - 260011 r
260012 - 260013 r
260020 - 260021 r
260022 - 260023 r
260024 - 260025 r
260030 - 260031 r
260040 - 260041 w
260050 - 260051 w
260060 - 260061 w
2A0000 - 2A0001 w
3E0000 - 3E0FFF r w
3EFFC0 - 3EFFFF r w
3F4000 - 3F5EFF w
3F4000 - 3FFFFF r
3F5F00 - 3F5F7F w
3F5F80 - 3F5FFF w
3F6000 - 3F7FFF w
3F8000 - 3FCFFF w
3FD000 - 3FD7FF w
3FD800 - 3FFFFF w
 
CPU: M6502
CPU#: 2
Sound?: No
Fluke 9010A Script
Start - End   R   W 
0 - 1FFF r w
2000 - 2000 w
2000 - 2001 r
2001 - 2001 w
2800 - 2BFF r w
3000 - FFFF r w
 


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