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Memory Map

The following is a memory map that was generated based on the MAME source code (.180).  This information is only as accurate as the MAME driver is.  If you see any errors, please let me know what that error is.
 
The Memory Area is related to where the information is from (CPU, Sound Board, etc..), and it may also reflect what it has in common with other hardware.
Avengers (Capcom, 1987)
Memory Area:avengers_adpcm_io_map
Address RangeLengthFunctionDescription
0x00001Readavengers_adpcm_r
0x00011Writemsm5205_w
Memory Area:avengers_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xDDFF7680RAM
0xDE00-0xDF7F384RAM, Sharedspriteram
0xDF80-0xDFFF128RAM
0xE000-0xE7FF2048RAM Write, Sharedlwings_fgvideoram_w, fgvideoram
0xE800-0xEFFF2048RAM Write, Sharedlwings_bg1videoram_w, bg1videoram
0xF000-0xF3FF1024RAM Device Write, Sharedpalette, palette_device, write_ext, palette_ext
0xF400-0xF7FF1024RAM Device Write, Sharedpalette, palette_device, write, palette
0xF800-0xF8012Writelwings_bg1_scrollx_w
0xF802-0xF8032Writelwings_bg1_scrolly_w
0xF8041Writetrojan_bg2_scrollx_w
0xF8051Writetrojan_bg2_image_w
0xF8081Read Port, Write NOPSERVICE, (/* ? */)
0xF8091Read Port, WriteP1, avengers_protection_w
0xF80A1Read PortP2
0xF80B1Read PortDSWB
0x0001Allow_ContinueActive High
0x0000NoActive High
0x0001YesActive High
0x0002Demo_SoundsActive High
0x0000OffActive High
0x0002OnActive High
0x000cDifficultyActive High
0x0004EasyActive High
0x000cNormalActive High
0x0008HardActive High
0x0000Very_HardActive High
0x0030Bonus_LifeActive High
0x003020k 60kActive High
0x001020k 70kActive High
0x002020k 80kActive High
0x000030k 80kActive High
0x00c0LivesActive High
0x00c03Active High
0x00404Active High
0x00805Active High
0x00006Active High
0xF80C1Read Port, WriteDSWA, avengers_prot_bank_w
0x0002Flip_ScreenActive High
0x0002OffActive High
0x0000OnActive High
0x001cCoin_BActive High
0x00004C_1CActive High
0x00103C_1CActive High
0x00082C_1CActive High
0x001c1C_1CActive High
0x000c1C_2CActive High
0x00141C_3CActive High
0x00041C_4CActive High
0x00181C_6CActive High
0x00e0Coin_AActive High
0x00004C_1CActive High
0x00803C_1CActive High
0x00402C_1CActive High
0x00e01C_1CActive High
0x00601C_2CActive High
0x00a01C_3CActive High
0x00201C_4CActive High
0x00c01C_6CActive High
0xF80D1Read/Writeavengers_protection_r,avengers_adpcm_w
0xF80E1Writelwings_bankswitch_w
Memory Area:lwings_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xDDFF7680RAM
0xDE00-0xDFFF512RAM, Sharedspriteram
0xE000-0xE7FF2048RAM Write, Sharedlwings_fgvideoram_w, fgvideoram
0xE800-0xEFFF2048RAM Write, Sharedlwings_bg1videoram_w, bg1videoram
0xF000-0xF3FF1024RAM Device Write, Sharedpalette, palette_device, write_ext, palette_ext
0xF400-0xF7FF1024RAM Device Write, Sharedpalette, palette_device, write, palette
0xF808-0xF8092Writelwings_bg1_scrollx_w
0xF8081Read PortSERVICE
0xF8091Read PortP1
0xF80A1Read PortP2
0xF80A-0xF80B2Writelwings_bg1_scrolly_w
0xF80B1Read PortDSWA
0x0002Flip_ScreenActive High
0x0002OffActive High
0x0000OnActive High
0x001cCoin_BActive High
0x00004C_1CActive High
0x00103C_1CActive High
0x00082C_1CActive High
0x001c1C_1CActive High
0x000c1C_2CActive High
0x00141C_3CActive High
0x00041C_4CActive High
0x00181C_6CActive High
0x00e0Coin_AActive High
0x00004C_1CActive High
0x00803C_1CActive High
0x00402C_1CActive High
0x00e01C_1CActive High
0x00601C_2CActive High
0x00a01C_3CActive High
0x00201C_4CActive High
0x00c01C_6CActive High
0xF80C1Read Port, Device WriteDSWB, soundlatch, generic_latch_8_device, write
0x0001Allow_ContinueActive High
0x0000NoActive High
0x0001YesActive High
0x0002Demo_SoundsActive High
0x0000OffActive High
0x0002OnActive High
0x000cDifficultyActive High
0x0004EasyActive High
0x000cNormalActive High
0x0008HardActive High
0x0000Very_HardActive High
0x0030Bonus_LifeActive High
0x003020k 60kActive High
0x001020k 70kActive High
0x002020k 80kActive High
0x000030k 80kActive High
0x00c0LivesActive High
0x00c03Active High
0x00404Active High
0x00805Active High
0x00006Active High
0xF80D1Device Writewatchdog, watchdog_timer_device, reset_w
0xF80E1Writelwings_bankswitch_w
Memory Area:lwings_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0xC000-0xC7FF2048RAM
0xC8001Device Readsoundlatch, generic_latch_8_device, read
0xE000-0xE0012Device Write2203a, ym2203_device, write
0xE002-0xE0032Device Write2203b, ym2203_device, write
0xE0061Write Only, Sharedsoundlatch_2
0xE0061Readavengers_soundlatch2_r (//AT: (avengers061gre))
Memory Area:trojan_adpcm_io_map
Address RangeLengthFunctionDescription
0x00001Device Readsoundlatch2, generic_latch_8_device, read
0x00011Writemsm5205_w
Memory Area:trojan_adpcm_map
Address RangeLengthFunctionDescription
0x0000-0xFFFF65536ROM, Write NOP
Memory Area:trojan_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xDDFF7680RAM
0xDE00-0xDF7F384RAM, Sharedspriteram
0xDF80-0xDFFF128RAM
0xE000-0xE7FF2048RAM Write, Sharedlwings_fgvideoram_w, fgvideoram
0xE800-0xEFFF2048RAM Write, Sharedlwings_bg1videoram_w, bg1videoram
0xF000-0xF3FF1024RAM Device Write, Sharedpalette, palette_device, write_ext, palette_ext
0xF400-0xF7FF1024RAM Device Write, Sharedpalette, palette_device, write, palette
0xF800-0xF8012Writelwings_bg1_scrollx_w
0xF802-0xF8032Writelwings_bg1_scrolly_w
0xF8041Writetrojan_bg2_scrollx_w
0xF8051Writetrojan_bg2_image_w
0xF8081Read Port, Write NOPSERVICE, (//watchdog)
0xF8091Read PortP1
0xF80A1Read PortP2
0xF80B1Read PortDSWA
0x0002Flip_ScreenActive High
0x0002OffActive High
0x0000OnActive High
0x001cCoin_BActive High
0x00004C_1CActive High
0x00103C_1CActive High
0x00082C_1CActive High
0x001c1C_1CActive High
0x000c1C_2CActive High
0x00141C_3CActive High
0x00041C_4CActive High
0x00181C_6CActive High
0x00e0Coin_AActive High
0x00004C_1CActive High
0x00803C_1CActive High
0x00402C_1CActive High
0x00e01C_1CActive High
0x00601C_2CActive High
0x00a01C_3CActive High
0x00201C_4CActive High
0x00c01C_6CActive High
0xF80C1Read Port, Device WriteDSWB, soundlatch, generic_latch_8_device, write
0x0001Allow_ContinueActive High
0x0000NoActive High
0x0001YesActive High
0x0002Demo_SoundsActive High
0x0000OffActive High
0x0002OnActive High
0x000cDifficultyActive High
0x0004EasyActive High
0x000cNormalActive High
0x0008HardActive High
0x0000Very_HardActive High
0x0030Bonus_LifeActive High
0x003020k 60kActive High
0x001020k 70kActive High
0x002020k 80kActive High
0x000030k 80kActive High
0x00c0LivesActive High
0x00c03Active High
0x00404Active High
0x00805Active High
0x00006Active High
0xF80D1Device Writesoundlatch2, generic_latch_8_device, write
0xF80E1Writelwings_bankswitch_w
 

ROM Map for this game

 
This is the ROM map for the game.  This should tell you what address the ROM is at, how big it is, what it's used for.   
Memory Area:adpcm
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF3276801.6dCRC(c1e5d258),adpcm player - "Talker" ROM (Fluke: EC87)
0x0000-0x7FFF3276801.6dCRC(c1e5d258),adpcm player - "Talker" ROM (Fluke: EC87)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF3276803.8kCRC(efb5883e),characters (Fluke: 4620)
0x0000-0x7FFF3276803.8kCRC(efb5883e),characters (Fluke: 4620)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF3276813.6bCRC(9b5ff305),plane 1 (Fluke: C481)
0x0000-0x7FFF3276813.6bCRC(9b5ff305),plane 1 (Fluke: C481)
0x8000-0xFFFF3276809.6aCRC(08323355) (Fluke: C)
0x8000-0xFFFF3276809.6aCRC(08323355) (Fluke: C)
0x10000-0x17FFF3276812.4bCRC(6d5261ba),plane 2 (Fluke: 44C8)
0x10000-0x17FFF3276812.4bCRC(6d5261ba),plane 2 (Fluke: 44C8)
0x18000-0x1FFFF3276808.4aCRC(a13d9f54) (Fluke: E528)
0x18000-0x1FFFF3276808.4aCRC(a13d9f54) (Fluke: E528)
0x20000-0x27FFF3276811.3bCRC(a2911d8b),plane 3 (Fluke: 2640)
0x20000-0x27FFF3276811.3bCRC(a2911d8b),plane 3 (Fluke: 2640)
0x28000-0x2FFFF3276807.3aCRC(cde78d32) (Fluke: 0EA0)
0x28000-0x2FFFF3276807.3aCRC(cde78d32) (Fluke: 0EA0)
0x30000-0x37FFF3276814.8bCRC(44ac2671),plane 4 (Fluke: D000)
0x30000-0x37FFF3276814.8bCRC(44ac2671),plane 4 (Fluke: D000)
0x38000-0x3FFFF3276810.8aCRC(b1a717cb) (Fluke: BA77)
0x38000-0x3FFFF3276810.8aCRC(b1a717cb) (Fluke: BA77)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x8000-0xFFFF3276816.3lCRC(4b1ff3ac) (Fluke: E9EE)
0x8000-0xFFFF3276816.3lCRC(4b1ff3ac) (Fluke: E9EE)
0x10000-0x17FFF3276817.5lCRC(4eb543ef) (Fluke: 19B9)
0x10000-0x17FFF3276817.5lCRC(4eb543ef) (Fluke: 19B9)
0x18000-0x1FFFF3276815.2lCRC(8041de7f) (Fluke: F981)
0x18000-0x1FFFF3276815.2lCRC(8041de7f) (Fluke: F981)
0x28000-0x2FFFF3276820.3nCRC(566e3059) (Fluke: AB32)
0x28000-0x2FFFF3276820.3nCRC(566e3059) (Fluke: AB32)
0x30000-0x37FFF3276821.5nCRC(301059aa) (Fluke: 2AE4)
0x30000-0x37FFF3276821.5nCRC(301059aa) (Fluke: 2AE4)
0x38000-0x3FFFF3276819.2nCRC(a00485ec) (Fluke: 5706)
0x38000-0x3FFFF3276819.2nCRC(a00485ec) (Fluke: 5706)
Memory Area:gfx5
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF3276823.9nCRC(c0a93ef6),Tile Map (Fluke: CFC9)
0x0000-0x7FFF3276823.9nCRC(c0a93ef6),Tile Map (Fluke: CFC9)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF3276804.10nCRC(a94aadcc) (Fluke: 4CC0)
0x10000-0x17FFF3276806.13nCRC(39cd80bd) (Fluke: FEF4)
0x18000-0x1FFFF3276805.12nCRC(06b1cec9) (Fluke: 8D90)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256tbb_2bpr.7jCRC(d96bcc98),timing (not used) (Fluke: D7ED)
0x0000-0x00FF256tbb_2bpr.7jCRC(d96bcc98),timing (not used) (Fluke: D7ED)
0x0100-0x01FF256tbb_1bpr.1eCRC(5052fa9d),priority (not used) (Fluke: 332C)
0x0100-0x01FF256tbb_1bpr.1eCRC(5052fa9d),priority (not used) (Fluke: 332C)
Memory Area:soundcpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF3276802.15hCRC(107a2e17),?? (Fluke: 8B1A)
0x0000-0x7FFF3276802.15hCRC(107a2e17),?? (Fluke: 8B1A)
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