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.
Memory Area:gotcha_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x100000-0x1000012Device Write 8-bitsoundlatch, generic_latch_8_device, write, 0x00ff
0x100002-0x1000032Writegotcha_lamps_w
0x100004-0x1000052Writegotcha_oki_bank_w
0x120000-0x12FFFF65536RAM
0x140000-0x1405FF1536RAM Device Write, Sharedpalette, palette_device, write, palette
0x160000-0x1607FF2048RAM, Sharedspriteram
0x180000-0x1800012Read PortINPUTS
0x180002-0x1800032Read PortSYSTEM
0x180004-0x1800052Read PortDSW
0x300000-0x3000012Writegotcha_gfxbank_select_w
0x300002-0x3000098Writegotcha_scroll_w
0x30000E-0x30000F2Writegotcha_gfxbank_w
0x320000-0x320FFF4096Write, Sharedgotcha_fgvideoram_w, fgvideoram
0x322000-0x322FFF4096Write, Sharedgotcha_bgvideoram_w, bgvideoram
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0xC000-0xC0012Device Read/Writeymsnd, ym2151_device, read, write
0xC0021Device Read/Write, Mirroroki, okim6295_device, read, write, 1
0xC0061Device Readsoundlatch, generic_latch_8_device, read
0xD000-0xD7FF2048RAM
 

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
0x0000-0xFFFF65536uz02CRC(f4f6e16b) (Fluke: 2ECE)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072u42aCRC(f0b521d1) (Fluke: C2C7)
0x40000-0x5FFFF131072u42bCRC(1107918e) (Fluke: 9C50)
0x80000-0x9FFFF131072u41aCRC(3f567d33) (Fluke: 1424)
0xC0000-0xDFFFF131072u41bCRC(18a3497e) (Fluke: A6E5)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288u56CRC(160e46b3) (Fluke: 2BEB)
0x80000-0xFFFFF524288u55CRC(7351b61c) (Fluke: 0986)
0x100000-0x17FFFF524288u54CRC(a3d8c5ef) (Fluke: A2A6)
0x180000-0x1FFFFF524288u53CRC(10ca65c4) (Fluke: 12FC)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288uz11CRC(3d96274c) (Fluke: BD23)
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