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Coin-Op : Arcade : Defender : "defender" Virtual Machine


ROM Set/Virtual Machine: defender
Long Name: Defender (Red label)
Manufacturer: Williams
Year: 1980
Clone?: No
Implemented In: williams.c
Monitor Type: raster
Orientation: horizontal
Resolution: 292 x 240 (w x h)
Colors: 16

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 defend.1 D000 - D7FF C3E52D7E 2541 a57f5278ffe44248fc73f9925d107f4024ad981a
CPU1 defend.4 D800 - DFFF 9A72348B BFB7 ed6ce796702ff32209ced3cb1ba3837dbafa526f
CPU1 defend.2 E000 - EFFF 89B75984 E7CE a9481478da38f99efb67f0ecf82d084e14b93b42
CPU1 defend.3 F000 - FFFF 94F51E9B 2013 a24cfc55de56a72758c76fe2a55f1ec6c353b16f
CPU1 defend.9 10000 - 107FF 6870E8A5 16B9 67ccc194b1753a18af0c85f5e603355549c4f727
CPU1 defend.12 10800 - 10FFF F1F88938 4404 26e48dfeefa0766837b1e762695b9532dbc8bc5e
CPU1 defend.8 11000 - 117FF B649E306 FF14 9d7bc3c89e5a53c575946f06702c722b864b1ff0
CPU1 defend.11 11800 - 11FFF 9DEAF6D9 B40 59b018ba0f3fe6eadfd387dc180ac281460358bc
CPU1 defend.7 12000 - 127FF 339E092E ADEA 2f89951dbe55d80df43df8dcf497171f73e726d3
CPU1 defend.10 12800 - 12FFF A543B167 A534 9292b94b0d74e57e03aada4852ad1997c34122ff
CPU1 defend.6 13000 - 137FF 65F4EFD1 6B52 a960fd1559ed74b81deba434391e49fc6ec389ca
CPU2 defend.snd F800 - FFFF FEFD5B48 97AB ceb0d18483f0691978c604db94417e6941ad7ff2

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: M6809
CPU#: 1
Sound?: No
Fluke 9010A Script
Start - End   R   W 
0 - 97FF r w
9800 - BFFF r w
C000 - CFFF r w
C000 - C00F w
D000 - DFFF w
D000 - FFFF r
E000 - FFFF w
CPU: M6808
CPU#: 2
Sound?: No
no 9010A support
Start - End   R   W 
0 - 7F r w
400 - 403 r w
8400 - 8403 r w
B000 - FFFF r w

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