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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.
Truxton II / Tatsujin Oh (Toaplan, 1992)
Memory Area:truxton2_68k_mem
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x100000-0x10FFFF65536RAM
0x200000-0x20000D14Device Read/Writegp9001, gp9001vdp_device, gp9001_vdp_r, gp9001_vdp_w
0x300000-0x300FFF4096RAM Device Write, Sharedpalette, palette_device, write, palette
0x400000-0x401FFF8192RAM Write, Sharedtoaplan2_tx_videoram_w, tx_videoram
0x402000-0x402FFF4096RAM, Sharedtx_lineselect
0x403000-0x4031FF512RAM Write, Sharedtoaplan2_tx_linescroll_w, tx_linescroll
0x403200-0x403FFF3584RAM
0x500000-0x50FFFF65536RAM Write, Sharedtoaplan2_tx_gfxram16_w, tx_gfxram16
0x600000-0x6000012Readvideo_count_r
0x700000-0x7000012Read PortDSWA
0x700002-0x7000032Read PortDSWB
0x700004-0x7000052Read PortJMPR
0x700006-0x7000072Read PortIN1
0x700008-0x7000092Read PortIN2
0x70000A-0x70000B2Read PortSYS
0x700010-0x7000112Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff
0x700014-0x7000174Device Read/Write 8-bitymsnd, ym2151_device, read, write, 0x00ff
0x70001E-0x70001F2Writetoaplan2_coin_word_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:gp9001
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFFF1048576tp024_4.binCRC(805c449e) (Fluke: 6281)
0x100000-0x1FFFFF1048576tp024_3.binCRC(47587164) (Fluke: 4BB5)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288tp024_2.binCRC(f2f6cae4) (Fluke: 23FB)
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