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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.
Batsugun (Toaplan, 1993)
Memory Area:batsugun_68k_mem
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x100000-0x10FFFF65536RAM
0x200010-0x2000112Read PortIN1
0x200014-0x2000152Read PortIN2
0x200018-0x2000192Read PortSYS
0x20001C-0x20001D2Writetoaplan2_v25_coin_word_w (// Coin count/lock + v25 reset line)
0x210000-0x21FFFF65536Read/Writeshared_ram_r, shared_ram_w
0x300000-0x30000D14Device Read/Writegp9001, gp9001vdp_device, gp9001_vdp_r, gp9001_vdp_w
0x400000-0x400FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x500000-0x50000D14Device Read/Writegp9001_1, gp9001vdp_device, gp9001_vdp_r, gp9001_vdp_w
0x700000-0x7000012Readvideo_count_r
Memory Area:v25_mem
Address RangeLengthFunctionDescription
0x0000-0x00012Device Read/Writeymsnd, ym2151_device, read, write
0x00041Device Read/Writeoki, okim6295_device, read, write
0x80000-0x87FFF32768Mirror, RAM, Shared0x78000, , shared_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:gp9001
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576tp030_3l.binCRC(3024b793) (Fluke: C9FA)
0x0000-0xFFFFF1048576tp030_3l.binCRC(3024b793) (Fluke: C9FA)
0x100000-0x1FFFFF1048576tp030_3h.binCRC(ed75730b) (Fluke: 571A)
0x100000-0x1FFFFF1048576tp030_3h.binCRC(ed75730b) (Fluke: 571A)
0x200000-0x2FFFFF1048576tp030_4l.binCRC(fedb9861) (Fluke: 70A3)
0x200000-0x2FFFFF1048576tp030_4l.binCRC(fedb9861) (Fluke: 70A3)
0x300000-0x3FFFFF1048576tp030_4h.binCRC(d482948b) (Fluke: E607)
0x300000-0x3FFFFF1048576tp030_4h.binCRC(d482948b) (Fluke: E607)
Memory Area:gp9001_1
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576tp030_5.binCRC(bcf5ba05) (Fluke: 06D0)
0x0000-0xFFFFF1048576tp030_5.binCRC(bcf5ba05) (Fluke: 06D0)
0x100000-0x1FFFFF1048576tp030_6.binCRC(0666fecd) (Fluke: ACD1)
0x100000-0x1FFFFF1048576tp030_6.binCRC(0666fecd) (Fluke: ACD1)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144tp030_2.binCRC(276146f5) (Fluke: 5F5D)
0x0000-0x3FFFF262144tp030_2.binCRC(276146f5) (Fluke: 5F5D)
Memory Area:plds
Address RangeLengthLabel/LocationDescription
0x0000-0x0116279tp030_u19_gal16v8b-15.binCRC(f71669e8)
0x0000-0x0116279tp030_u19_gal16v8b-15.binCRC(f71669e8)
0x0000-0x0116279tp030_u19_gal16v8b-15.binCRC(f71669e8)
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