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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.
Mad Crusher (SNK, 1984)
Memory Area:madcrush_cpuA_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x80001Read PortIN0
0x81001Read PortIN1
0x82001Read PortIN2
0x83001Writemarvins_soundlatch_w
0x84001Read PortDSW1
0x85001Read PortDSW2
0x86001Mirror, Write0xff, marvins_flipscreen_w
0x87001Read/Writesnk_cpuB_nmi_trigger_r, snk_cpuA_nmi_ack_w
0xC000-0xC7FF2048RAM, Sharedspriteram (// + work ram)
0xC8001Mirror, Write0xff, marvins_palette_bank_w
0xD000-0xD7FF2048RAM Write, Sharedmarvins_fg_videoram_w, fg_videoram
0xD800-0xDFFF2048RAM, Sharedshare5
0xE000-0xE7FF2048RAM Write, Sharedmarvins_bg_videoram_w, bg_videoram
0xE800-0xEFFF2048RAM, Sharedshare3
0xF000-0xF7FF2048RAM Write, Sharedsnk_tx_videoram_w, tx_videoram
0xF8001Writesnk_sp16_scrolly_w
0xF9001Writesnk_sp16_scrollx_w
0xFA001Writesnk_fg_scrolly_w
0xFB001Writesnk_fg_scrollx_w
0xFC001Writesnk_bg_scrolly_w
0xFD001Writesnk_bg_scrollx_w
0xFE001Writesnk_sprite_split_point_w
0xFF001Writemarvins_scroll_msb_w
Memory Area:madcrush_cpuB_map
Address RangeLengthFunctionDescription
0x0000-0x9FFF40960ROM
0xA0001Writesnk_cpuB_nmi_ack_w
0xC000-0xC7FF2048RAM, Sharedspriteram (// + work ram)
0xC800-0xCFFF2048RAM, Sharedshare5
0xC8001Mirror, Write0xff, marvins_palette_bank_w
0xD000-0xD7FF2048RAM Write, Sharedmarvins_fg_videoram_w, fg_videoram
0xE000-0xE7FF2048RAM Write, Sharedmarvins_bg_videoram_w, bg_videoram (// ??)
0xE800-0xEFFF2048RAM, Sharedshare3
0xF000-0xF7FF2048RAM Write, Sharedsnk_tx_videoram_w, tx_videoram
0xF8001Writesnk_sp16_scrolly_w
0xF9001Writesnk_sp16_scrollx_w
0xFA001Writesnk_fg_scrolly_w
0xFB001Writesnk_fg_scrollx_w
0xFC001Writesnk_bg_scrolly_w
0xFD001Writesnk_bg_scrollx_w
0xFE001Writesnk_sprite_split_point_w
0xFF001Writemarvins_scroll_msb_w
Memory Area:marvins_cpuA_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x60001Writemarvins_palette_bank_w
0x80001Read PortIN0
0x81001Read PortIN1
0x82001Read PortIN2
0x83001Writemarvins_soundlatch_w
0x84001Read PortDSW1
0x85001Read PortDSW2
0x86001Writemarvins_flipscreen_w
0x87001Read/Writesnk_cpuB_nmi_trigger_r, snk_cpuA_nmi_ack_w
0xC000-0xCFFF4096RAM, Sharedspriteram (// + work ram)
0xD000-0xD7FF2048RAM Write, Sharedmarvins_fg_videoram_w, fg_videoram
0xD800-0xDFFF2048RAM, Sharedshare3
0xE000-0xE7FF2048RAM Write, Sharedmarvins_bg_videoram_w, bg_videoram
0xE800-0xEFFF2048RAM, Sharedshare5
0xF000-0xF7FF2048RAM Write, Sharedsnk_tx_videoram_w, tx_videoram (// + work RAM)
0xF8001Writesnk_sp16_scrolly_w
0xF9001Writesnk_sp16_scrollx_w
0xFA001Writesnk_fg_scrolly_w
0xFB001Writesnk_fg_scrollx_w
0xFC001Writesnk_bg_scrolly_w
0xFD001Writesnk_bg_scrollx_w
0xFE001Writesnk_sprite_split_point_w
0xFF001Writemarvins_scroll_msb_w
Memory Area:marvins_cpuB_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x87001Read/Writesnk_cpuA_nmi_trigger_r, snk_cpuB_nmi_ack_w
0xC000-0xCFFF4096RAM, Sharedspriteram
0xD000-0xD7FF2048RAM Write, Sharedmarvins_fg_videoram_w, fg_videoram
0xD800-0xDFFF2048RAM, Sharedshare3
0xE000-0xE7FF2048RAM Write, Sharedmarvins_bg_videoram_w, bg_videoram
0xE800-0xEFFF2048RAM, Sharedshare5
0xF000-0xF7FF2048RAM Write, Sharedsnk_tx_videoram_w, tx_videoram
0xF8001Writesnk_sp16_scrolly_w
0xF9001Writesnk_sp16_scrollx_w
0xFA001Writesnk_fg_scrolly_w
0xFB001Writesnk_fg_scrollx_w
0xFC001Writesnk_bg_scrolly_w
0xFD001Writesnk_bg_scrollx_w
0xFE001Writesnk_sprite_split_point_w
0xFF001Writemarvins_scroll_msb_w
Memory Area:marvins_sound_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x40001Readmarvins_soundlatch_r
0x8000-0x80012Device Writeay1, ay8910_device, address_data_w
0x8002-0x80076Device Writewave, snkwave_device, snkwave_w
0x8008-0x80092Device Writeay2, ay8910_device, address_data_w
0xA0001Readmarvins_sound_nmi_ack_r
0xE000-0xE7FF2048RAM
Memory Area:marvins_sound_portmap
Address RangeLengthFunctionDescription
0x00001Read NOP(// read on startup, then the Z80 automatically pulls down the IORQ pin to ack irq)
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192p1.a6CRC(2dcd036d),Located on the A2003UP03-01 duaghtercard PCB (Fluke: 396B)
0x2000-0x3FFF8192p2.a8CRC(cc30ae8b),Located on the A2003UP03-01 duaghtercard PCB (Fluke: A46C)
Memory Area:bg_tiles
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192p12.c2CRC(085094c1),Located on the A2003 UP01-04 PCB (Fluke: 0E38)
Memory Area:fg_tiles
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192p11.a2CRC(67174956),Located on the A2003 UP01-04 PCB (Fluke: 98F5)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192p3.a8CRC(fbd3eda1),These 3 roms are located on the A2003 UP02-03 PCB
0x2000-0x3FFF8192p4.a9CRC(1bc67cab)
0x4000-0x5FFF8192p5.a10CRC(d905ff79)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024m3-prom.j3CRC(d19e8a91),These 3 bproms are located on the A2003 UP02-03 PCB (Fluke: D51E)
0x0400-0x07FF1024m2-prom.j4CRC(9fc325af) (Fluke: 6293)
0x0800-0x0BFF1024m1-prom.j5CRC(07678443) (Fluke: A8B9)
Memory Area:sp16_tiles
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192p16.k4CRC(6153611a),These 3 roms are located on the A2003 UP01-04 PCB (Fluke: 72D3)
0x2000-0x3FFF8192p15.k2CRC(a74149d4) (Fluke: BA9F)
0x4000-0x5FFF8192p14.k1CRC(07e807bc) (Fluke: E571)
Memory Area:sub
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192p6.a11CRC(432b5743),These 3 roms are located on the A2003 UP02-03 PCB
Memory Area:tx_tiles
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192p13.e2CRC(fcdd36ca),Located on the A2003 UP01-04 PCB
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