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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.
Billard List (D.G.R.M., 1995)
Memory Area:pokechmp_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM
0x0800-0x0FFF2048RAM Write, Sharedpokechmp_videoram_w, videoram
0x1000-0x11FF512RAM, Sharedspriteram
0x18001Read PortP1
0x18011Writepokechmp_flipscreen_w
0x1802-0x181F30Write NOP
0x1A001Read Port, WriteP2, pokechmp_sound_w
0x1C001Read Port, WriteDSW, pokechmp_bank_w
0x2000-0x23FF1024RAM Device Write, Sharedpalette, palette_device, write_ext, palette_ext
0x2400-0x27FF1024RAM Device Write, Sharedpalette, palette_device, write, palette
0x4000-0x7FFF16384ROM Bankbank1
0x8000-0xFFFF32768ROM Bankfixed
Memory Area:pokechmp_sound_map
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM
0x0800-0x08012Device Writeym1, ym2203_device, write
0x1000-0x10012Device Writeym2, ym3812_device, write
0x18001Write NOP(/* MSM5205 chip on Pocket Gal, not connected here? */)
0x20001Writepokechmp_sound_bank_w (/* sound rom bank seems to be replaced with OKI bank */)
0x28001Device Read/Writeoki, okim6295_device, read, write (// extra)
0x30001Device Readsoundlatch, generic_latch_8_device, read
0x4000-0x7FFF16384ROM Bankbank3
0x8000-0xFFFF32768ROM
 

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
0x10000-0x17FFF32768pokechamp_09_27c512.binCRC(c78f6483) (Fluke: 1E3D)
Memory Area:bgs
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF262144billiard_list.6CRC(e674f7c0)
0x40000-0x7FFFF262144billiard_list.5CRC(f50d1510)
0x80000-0xBFFFF262144billiard_list.4CRC(7466c0be)
0xC0000-0xFFFFF262144billiard_list.3CRC(1ac4fa42)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072billiard_list.1CRC(4ef416f7)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288billiard_list.xCRC(b54806ed) (Fluke: 5753)
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