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.
Memory Area:scudsp_mem
Address RangeLengthFunctionDescription
0x0000-0x00FF256RAM
Memory Area:sound_mem
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576RAM, Sharedsound_ram
0x100000-0x100FFF4096Device Read/Writescsp, scsp_device, read, write
Memory Area:stv_mem
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM, Sharedshare6 (// bios)
0x100000-0x10007F128Read/Write 8-bitstv_SMPC_r, stv_SMPC_w,0xffffffff
0x180000-0x18FFFF65536Read/Write 8-bit, Sharedsaturn_backupram_r,saturn_backupram_w,0xffffffff, share1
0x200000-0x2FFFFF1048576RAM, Mirror, Shared0x20100000, workram_l
0x1000000-0x17FFFFF8388608Writeminit_w
0x1800000-0x1FFFFFF8388608Writesinit_w
0x2000000-0x4FFFFFF50331648ROM, Shared, Regionshare7, abus, 0 (// cartridge)
0x5800000-0x589FFFF655360Read/Writestvcd_r, stvcd_w
0x5A00000-0x5AFFFFF1048576Read/Write 16-bitsaturn_soundram_r, saturn_soundram_w,0xffffffff
0x5B00000-0x5B00FFF4096Device Read/Write 16-bitscsp, scsp_device, read, write, 0xffffffff
0x5C00000-0x5C7FFFF524288Read/Writesaturn_vdp1_vram_r, saturn_vdp1_vram_w
0x5C80000-0x5CBFFFF262144Read/Writesaturn_vdp1_framebuffer0_r, saturn_vdp1_framebuffer0_w
0x5D00000-0x5D0001F32Read/Write 16-bitsaturn_vdp1_regs_r, saturn_vdp1_regs_w,0xffffffff
0x5E00000-0x5E7FFFF524288Mirror, Read/Write0x80000, saturn_vdp2_vram_r, saturn_vdp2_vram_w
0x5F00000-0x5F7FFFF524288Read/Writesaturn_vdp2_cram_r, saturn_vdp2_cram_w
0x5F80000-0x5FBFFFF262144Read/Write 16-bitsaturn_vdp2_regs_r, saturn_vdp2_regs_w,0xffffffff
0x5FE0000-0x5FE00CF208Read/Writesaturn_scu_r, saturn_scu_w
0x6000000-0x60FFFFF1048576RAM, Mirror, Shared0x21f00000, workram_h
0x20000000-0x2007FFFF524288ROM, Sharedshare6 (// bios mirror)
0x22000000-0x24FFFFFF50331648ROM, Sharedshare7 (// cart mirror)
0xC0000000-0xC00007FF2048RAM(// cache 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.   
0x0000-0x007F128eepromCRC(dbe305a9)
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