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:asuka_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM
0x100000-0x103FFF16384RAM
0x1076F0-0x1076F12Read NOP(/* Mofflott init does dummy reads here */)
0x200000-0x20000F16Device Read/Writetc0110pcr, tc0110pcr_device, word_r, step1_word_w
0x3A0000-0x3A00034Writeasuka_spritectrl_w
0x3E0000-0x3E00012Read NOP, Device Write 8-bittc0140syt, tc0140syt_device, master_port_w, 0x00ff
0x3E0002-0x3E00032Device Read/Write 8-bittc0140syt, tc0140syt_device, master_comm_r, master_comm_w, 0x00ff
0x400000-0x40000F16Device Read/Write 8-bittc0220ioc, tc0220ioc_device, read, write, 0x00ff
0xC00000-0xC0FFFF65536Device Read/Writetc0100scn, tc0100scn_device, word_r, word_w (/* tilemaps */)
0xC10000-0xC103FF1024Write NOP(/* error in Asuka init code */)
0xC20000-0xC2000F16Device Read/Writetc0100scn, tc0100scn_device, ctrl_word_r, ctrl_word_w
0xD00000-0xD03FFF16384Device Read/Writepc090oj, pc090oj_device, word_r, word_w (/* sprite ram */)
Memory Area:cadash_z80_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x7FFF16384ROM Bankaudiobank
0x8000-0x8FFF4096RAM
0x9000-0x90012Device Read/Writeymsnd, ym2151_device, read, write
0xA0001Device Writetc0140syt, tc0140syt_device, slave_port_w
0xA0011Device Read/Writetc0140syt, tc0140syt_device, slave_comm_r, slave_comm_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:audiocpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536gm-snd.ic27CRC(d6f56c21),banked (Fluke: 8500)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288gm-scn.ic3CRC(3bab0581),SCR tiles (8 x 8) (Fluke: 0AFE)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288gm-obj.ic6CRC(7a4a1315),Sprites (16 x 16) (Fluke: BAB0)
Memory Area:pals
Address RangeLengthLabel/LocationDescription
0x0000-0x0143324b68-04.ic32CRC(9be618d1)
0x0000-0x0103260b68-05.ic43CRC(d6524ccc)
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