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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 Garegga (Raizing / Eighting, 1996)
Memory Area:bgaregga_68k_mem
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM
0x100000-0x10FFFF65536RAM
0x218000-0x21BFFF16384Read/Writeshared_ram_r, shared_ram_w
0x21C01C-0x21C01D2Writetoaplan2_coin_word_w
0x21C020-0x21C0212Read PortIN1
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick LeftActive High
0x0008Joystick RightActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040Button 3Active High
0x0080UnknownActive High
0xff00UnknownActive High
0x21C024-0x21C0252Read PortIN2
0x0001Joystick UpActive High
0x0002Joystick DownActive High
0x0004Joystick LeftActive High
0x0008Joystick RightActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040Button 3Active High
0x0080UnknownActive High
0xff00UnknownActive High
0x21C028-0x21C0292Read PortSYS
0x0001Service 1Active High
0x0002UnknownActive High
0x0008Coin 1Active High
0x0010Coin 2Active High
0x0020Start 1Active High
0x0040Start 2Active High
0x0080UnknownActive High
0xff00UnknownActive High
0x21C02C-0x21C02D2Read PortDSWA
0x00001Active High
0x00022Active High
0x001cCoin_AActive High
0x00184C_1CActive High
0x00143C_1CActive High
0x00102C_1CActive High
0x00001C_1CActive High
0x00041C_2CActive High
0x00081C_3CActive High
0x000c1C_4CActive High
0x001cFree_PlayActive High
0x00e0Coin_BActive High
0x00c04C_1CActive High
0x00a03C_1CActive High
0x00802C_1CActive High
0x00001C_1CActive High
0x00e01C_1CActive High
0x00201C_2CActive High
0x00401C_3CActive High
0x00601C_4CActive High
0x000090 degrees ACWActive High
0x0020NormalActive High
0x0000OffActive High
0x0040OnActive High
0x0000OffActive High
0x0080OnActive High
0x21C030-0x21C0312Read PortDSWB
0x0003DifficultyActive High
0x0001EasyActive High
0x0000NormalActive High
0x0002HardActive High
0x0003Very_HardActive High
0x0004Flip_ScreenActive High
0x0000OffActive High
0x0004OnActive High
0x0008Demo_SoundsActive High
0x0008OffActive High
0x0000OnActive High
0x0070LivesActive High
0x00301Active High
0x00202Active High
0x00003Active High
0x00104Active High
0x00405Active High
0x00506Active High
0x0060InfiniteActive High
0x0070Invulnerability (Cheat)Active High
0x0080Bonus_LifeActive High
0x0000NoneActive High
0x0080Every 2000kActive High
0x00801000k and 2000kActive High
0x0000Every 1000kActive High
0x21C034-0x21C0352Read PortJMPR
0x0000OffActive High
0x0008OnActive High
0x0004Allow_ContinueActive High
0x0004NoActive High
0x0000YesActive High
0x21C03C-0x21C03D2Readvideo_count_r
0x300000-0x30000D14Device Read/Writegp9001, gp9001vdp_device, gp9001_vdp_r, gp9001_vdp_w
0x400000-0x400FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x500000-0x501FFF8192RAM Write, Sharedtoaplan2_tx_videoram_w, tx_videoram
0x502000-0x502FFF4096RAM, Sharedtx_lineselect
0x503000-0x5031FF512RAM Write, Sharedtoaplan2_tx_linescroll_w, tx_linescroll
0x503200-0x503FFF3584RAM
0x600000-0x6000012Writebgaregga_soundlatch_w
Memory Area:bgaregga_sound_z80_mem
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xDFFF8192RAM, Sharedshared_ram
0xE000-0xE0012Device Read/Writeymsnd, ym2151_device, read, write
0xE0041Device Read/Writeoki, okim6295_device, read, write
0xE006-0xE0083Writeraizing_oki_bankswitch_w
0xE00A1Writeraizing_z80_bankswitch_w
0xE00C1Writebgaregga_E00C_w
0xE01C1Device Readsoundlatch, generic_latch_8_device, read
0xE01D1Readbgaregga_E01D_r
 

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
0x0000-0x1FFFF131072snd.binCRC(68632952) (Fluke: C9E8)
0x0000-0x1FFFF131072snd.binCRC(68632952) (Fluke: C9E8)
0x0000-0x1FFFF131072snd.binCRC(68632952) (Fluke: C9E8)
Memory Area:gp9001
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152rom4.binCRC(b333d81f) (Fluke: 1E52)
0x0000-0x1FFFFF2097152rom4.binCRC(b333d81f) (Fluke: 1E52)
0x0000-0x1FFFFF2097152rom4.binCRC(b333d81f) (Fluke: 1E52)
0x200000-0x3FFFFF2097152rom3.binCRC(51b9ebfb) (Fluke: B340)
0x200000-0x3FFFFF2097152rom3.binCRC(51b9ebfb) (Fluke: B340)
0x200000-0x3FFFFF2097152rom3.binCRC(51b9ebfb) (Fluke: B340)
0x400000-0x5FFFFF2097152rom2.binCRC(b330e5e2) (Fluke: CB1B)
0x400000-0x5FFFFF2097152rom2.binCRC(b330e5e2) (Fluke: CB1B)
0x400000-0x5FFFFF2097152rom2.binCRC(b330e5e2) (Fluke: CB1B)
0x600000-0x7FFFFF2097152rom1.binCRC(7eafdd70) (Fluke: 351C)
0x600000-0x7FFFFF2097152rom1.binCRC(7eafdd70) (Fluke: 351C)
0x600000-0x7FFFFF2097152rom1.binCRC(7eafdd70) (Fluke: 351C)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x40000-0x13FFFF1048576rom5.binCRC(f6d49863) (Fluke: 8A7A)
0x40000-0x13FFFF1048576rom5.binCRC(f6d49863) (Fluke: 8A7A)
0x40000-0x13FFFF1048576rom5.binCRC(f6d49863) (Fluke: 8A7A)
Memory Area:text
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768text.u81CRC(e67fd534) (Fluke: 910F)
0x0000-0x7FFF32768text.u81CRC(e67fd534) (Fluke: 910F)
0x0000-0x7FFF32768text.u81CRC(e67fd534) (Fluke: 910F)
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