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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.
Battle Bakraid (Eighting, 1999)
Memory Area:bbakraid_68k_mem
Address RangeLengthFunctionDescription
0x0000-0x1FFFFF2097152ROM
0x200000-0x201FFF8192RAM Write, Sharedtoaplan2_tx_videoram_w, tx_videoram
0x202000-0x202FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x203000-0x2031FF512RAM, Sharedtx_lineselect
0x203200-0x2033FF512RAM Write, Sharedtoaplan2_tx_linescroll_w, tx_linescroll
0x203400-0x207FFF19456RAM, Sharedmainram16
0x208000-0x20FFFF32768RAM
0x300000-0x33FFFF262144Readbatrider_z80rom_r
0x400000-0x40000D14Device Read/Writegp9001, gp9001vdp_device, gp9001_vdp_alt_r, gp9001_vdp_alt_w
0x500000-0x5000012Read PortIN
0x500002-0x5000032Read PortSYS-DSW
0x500004-0x5000052Read PortDSW
0x500006-0x5000072Readvideo_count_r
0x500008-0x5000092Writetoaplan2_coin_word_w
0x500010-0x5000112Device Read 8-bitsoundlatch3, generic_latch_8_device, read, 0x00ff
0x500012-0x5000132Device Read 8-bitsoundlatch4, generic_latch_8_device, read, 0x00ff
0x500014-0x5000152Writebatrider_soundlatch_w
0x500016-0x5000172Writebatrider_soundlatch2_w
0x500018-0x5000192Readbbakraid_eeprom_r
0x50001A-0x50001B2Writebatrider_unknown_sound_w
0x50001C-0x50001D2Writebatrider_clear_sndirq_w
0x50001E-0x50001F2Writebbakraid_eeprom_w
0x500080-0x5000812Writebatrider_textdata_dma_w
0x500082-0x5000832Writebatrider_unknown_dma_w
0x5000C0-0x5000CF16Writebatrider_objectbank_w
Memory Area:bbakraid_sound_z80_mem
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM(// No banking? ROM only contains code and data up to 0x28DC)
0xC000-0xFFFF16384RAM
Memory Area:bbakraid_sound_z80_port
Address RangeLengthFunctionDescription
0x00401Device Writesoundlatch3, generic_latch_8_device, write
0x00421Device Writesoundlatch4, generic_latch_8_device, write
0x00441Writebatrider_sndirq_w
0x00461Writebatrider_clear_nmi_w
0x00481Device Readsoundlatch, generic_latch_8_device, read
0x004A1Device Readsoundlatch2, generic_latch_8_device, read
0x0080-0x00812Device Read/Writeymz, ymz280b_device, read, write
 

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
0x0000-0x1FFFF131072sndu0720.binCRC(e62ab246) (Fluke: 4324)
Memory Area:eeprom
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF512eeprom-bbakraid.binCRC(7f97d347)
Memory Area:gp9001
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFFF4194304gfxu0510.binCRC(9cca3446) (Fluke: DA7B)
0x400000-0x7FFFFF4194304gfxu0512.binCRC(a2a281d5) (Fluke: 103C)
0x800000-0xBFFFFF4194304gfxu0511.binCRC(e16472c0) (Fluke: 2078)
0xC00000-0xFFFFFF4194304gfxu0513.binCRC(8bb635a0) (Fluke: B491)
Memory Area:ymz
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFFF4194304rom6.829CRC(8848b4a0) (Fluke: A4BA)
0x400000-0x7FFFFF4194304rom7.830CRC(d6224267) (Fluke: 0583)
0x800000-0xBFFFFF4194304rom8.831CRC(a101dfb0) (Fluke: 1FF6)
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