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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.
Space Position (Sega / Nasco, 1986)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xDFFF8192RAM
0xE000-0xE3FF1024RAM Write, Sharedangelkds_bgtopvideoram_w, bgtopvideoram (/* Top Half of Screen */)
0xE400-0xE7FF1024RAM Write, Sharedangelkds_bgbotvideoram_w, bgbotvideoram (/* Bottom Half of Screen */)
0xE800-0xEBFF1024RAM Write, Sharedangelkds_txvideoram_w, txvideoram
0xEC00-0xECFF256RAM, Sharedspriteram
0xED00-0xEDFF256RAM Device Write, Sharedpalette, palette_device, write, palette
0xEE00-0xEEFF256RAM Device Write, Sharedpalette, palette_device, write_ext, palette_ext
0xEF00-0xEFFF256RAM
0xF0001Writeangelkds_bgtopbank_write
0xF0011Writeangelkds_bgtopscroll_write
0xF0021Writeangelkds_bgbotbank_write
0xF0031Writeangelkds_bgbotscroll_write
0xF0041Writeangelkds_txbank_write
0xF0051Writeangelkds_layer_ctrl_write
Memory Area:main_portmap
Address RangeLengthFunctionDescription
0x00001Write NOP(// 00 on start-up, not again)
0x0040-0x00434Device Read/Writeppi8255_0, i8255_device, read, write
0x000fCoin_AActive High
0x00024C_1CActive High
0x00053C_1CActive High
0x00082C_1CActive High
0x00043C_2CActive High
0x00014C_3CActive High
0x000f1C_1CActive High
0x00033C_4CActive High
0x00072C_3CActive High
0x000e1C_2CActive High
0x00062C_5CActive High
0x000d1C_3CActive High
0x000c1C_4CActive High
0x000b1C_5CActive High
0x000a1C_6CActive High
0x00091C_7CActive High
0x0000Free_PlayActive High
0x00f0Coin_BActive High
0x0000OffActive High
0x00204C_1CActive High
0x00503C_1CActive High
0x00802C_1CActive High
0x00403C_2CActive High
0x00104C_3CActive High
0x00f01C_1CActive High
0x00303C_4CActive High
0x00702C_3CActive High
0x00e01C_2CActive High
0x00602C_5CActive High
0x00d01C_3CActive High
0x00c01C_4CActive High
0x00b01C_5CActive High
0x00a01C_6CActive High
0x00901C_7CActive High
0x0080-0x00834Device Read/Writeppi8255_1, i8255_device, read, write
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Service 1Active Low
0x0008Start 1Active Low
0x0010Start 2Active Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x00C0-0x00C34Read/Writeangelkds_main_sound_r, angelkds_main_sound_w (// 02 various points)
Memory Area:sub_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM
0xAAA91Read NOP
0xAAAB1Read NOP
0xAAAC1Read NOP
Memory Area:sub_portmap
Address RangeLengthFunctionDescription
0x0000-0x00012Device Read/Writeym1, ym2203_device, read, write
0x0040-0x00412Device Read/Writeym2, ym2203_device, read, write
0x0080-0x00834Read/Writeangelkds_sub_sound_r, angelkds_sub_sound_w (// spcpostn)
 

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
0x0000-0x7FFF32768epr10133.17CRC(642e6609) (Fluke: BAFB)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr10135.19CRC(0685c4fa) (Fluke: C901)
0x8000-0xFFFF32768epr10134.18CRC(c674ff88) (Fluke: 829E)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr10132.16CRC(2df8b1bd) (Fluke: B32A)
0x8000-0xFFFF32768epr10131.15CRC(de223817) (Fluke: 300D)
0x10000-0x17FFF32768epr10130.14CRC(b68fcb36) (Fluke: 1D56)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr10129.08CRC(a6f21023) (Fluke: 2432)
0x8000-0xFFFF32768epr10128.07CRC(de223817) (Fluke: 300D)
0x10000-0x17FFF32768epr10127.06CRC(b68fcb36) (Fluke: 1D56)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr10125.c10CRC(bffd38c6),encrypted (Fluke: DC35)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F3263s081n.u5CRC(36b98627) (Fluke: 67AD)
Memory Area:sub
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr10126.d4CRC(ab17f852) (Fluke: E0C3)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr10120.c1CRC(d6399f99) (Fluke: 54E9)
0x8000-0xFFFF32768epr10121.c2CRC(d4861560) (Fluke: 0C7E)
0x10000-0x17FFF32768epr10122.c3CRC(7a1bff1b) (Fluke: 9B7E)
0x18000-0x1FFFF32768epr10123.c4CRC(6aed2925) (Fluke: 2AC3)
0x20000-0x27FFF32768epr10124.c5CRC(a1d7ae6b) (Fluke: 5623)
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