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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.
Bay Route (bootleg (Datsu), 1989)
Memory Area:bayrouteb1_map
Address RangeLengthFunctionDescription
0x0000-0xBFFFF786432ROM
0x500000-0x503FFF16384RAM(// work ram)
0x600000-0x600FFF4096RAM, Sharedsprites
0x700000-0x70FFFF65536RAM Write, Sharedsys16_tileram_w, tileram
0x710000-0x710FFF4096RAM Write, Sharedsys16_textram_w, textram
0x718000-0x7180012Writes16bl_fgscrolly_w
0x718008-0x7180092Writes16bl_fgscrollx_bank_w (// and tile bank)
0x718010-0x7180112Writes16bl_bgscrolly_w
0x718018-0x7180192Writes16bl_bgscrollx_w
0x718020-0x7180212Writes16bl_fgpage_w
0x718028-0x7180292Writes16bl_bgpage_w
0x800000-0x800FFF4096RAM Write, Sharedpaletteram_w, paletteram
0x901000-0x9010012Read Port, WriteSERVICE, sys16_coinctrl_w
0x901002-0x9010032Read PortP1
0x901006-0x9010072Read PortP2
0x902000-0x9020012Read PortDSW2
0x902002-0x9020032Read PortDSW1
0x902006-0x9020072Writesound_command_irq_w
Memory Area:goldnaxeb1_map
Address RangeLengthFunctionDescription
0x0000-0xBFFFF786432ROM
0x100000-0x10FFFF65536RAM Write, Sharedsys16_tileram_w, tileram
0x110000-0x110FFF4096RAM Write, Sharedsys16_textram_w, textram
0x118000-0x1180012Writes16bl_fgscrolly_w
0x118008-0x1180092Writes16bl_fgscrollx_bank_w (// and tile bank)
0x118010-0x1180112Writes16bl_bgscrolly_w
0x118018-0x1180192Writes16bl_bgscrollx_w
0x118020-0x1180212Writes16bl_fgpage_w
0x118028-0x1180292Writes16bl_bgpage_w
0x140000-0x143FFF16384RAM Write, Sharedpaletteram_w, paletteram
0x200000-0x200FFF4096RAM, Sharedsprites
0xC40000-0xC400012Writesys16_coinctrl_w
0xC41000-0xC410012Read PortSERVICE
0xC41002-0xC410032Read PortP1
0xC41006-0xC410072Read PortP2
0xC42000-0xC420012Read PortDSW2
0xC42002-0xC420032Read PortDSW1
0xC42006-0xC420072Writesound_command_irq_w
0xC43000-0xC430012Write NOP
0xC43034-0xC430352Write NOP
0xC80000-0xC800012Write NOP
0xFFC000-0xFFFFFF16384RAM(// work ram)
 

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:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536bs16.binCRC(a8a5b310) (Fluke: 5739)
0x0000-0xFFFF65536bs16.binCRC(a8a5b310) (Fluke: 5739)
0x10000-0x1FFFF65536bs14.binCRC(6bc4d0a8) (Fluke: F5DD)
0x10000-0x1FFFF65536bs14.binCRC(6bc4d0a8) (Fluke: F5DD)
0x20000-0x2FFFF65536bs12.binCRC(c1f967a6) (Fluke: 83C0)
0x20000-0x2FFFF65536bs12.binCRC(c1f967a6) (Fluke: 83C0)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0xBF000-0xBFFFF4096protdataBAD_DUMP CRC(5474fd95) (Fluke: 284A)
Memory Area:mcu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096unknown.mcu
Memory Area:soundcpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr12459.a10CRC(3e1d29d0) (Fluke: 208F)
0x0000-0x7FFF3276812.12CRC(81ce4576) (Fluke: BAAF)
0x10000-0x2FFFF131072mpr12460.a11CRC(0bae570d) (Fluke: FBC4)
0x30000-0x4FFFF131072mpr12461.a12CRC(b03b8b46) (Fluke: 514F)
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