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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.
Taisen Hot Gimmick (Psikyo, 1997)
Memory Area:ps4_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM(// program ROM (1 meg))
0x2000000-0x21FFFFF2097152ROM, Regionmaincpu, 0x100000 (// data ROM)
0x3000000-0x30037FF14336RAM, Sharedspriteram
0x3003FE0-0x3003FE34Read/Writeps4_eeprom_r,ps4_eeprom_w
0x3003FE4-0x3003FEF12RAM Write, Sharedps4_vidregs_w, vidregs (// vid regs?)
0x3003FE4-0x3003FE74Read NOP(// also writes to this address - might be vblank?)
0x3003FF0-0x3003FF34Writeps4_screen1_brt_w (// screen 1 brightness)
0x3003FF4-0x3003FF74Write, Sharedps4_bgpen_1_dword_w, bgpen_1 (// screen 1 clear colour)
0x3003FF8-0x3003FFB4Writeps4_screen2_brt_w (// screen 2 brightness)
0x3003FFC-0x3003FFF4Write, Sharedps4_bgpen_2_dword_w, bgpen_2 (// screen 2 clear colour)
0x3004000-0x3005FFF8192RAM Write, Sharedps4_paletteram32_RRRRRRRRGGGGGGGGBBBBBBBBxxxxxxxx_dword_w, paletteram (// palette)
0x3006000-0x3007FFF8192ROM Bankgfxbank (// data for rom tests (gfx), data is controlled by vidreg)
0x5000000-0x50000078Device Read/Write 8-bitymf, ymf278b_device, read, write, 0xffffffff
0x5800000-0x58000034Read PortP1_P2
0x00ffUnknownActive High
0xffff00UnknownActive Low
0xff000000UnknownActive High
0x5800004-0x58000074Read PortP3_P4
0x00ffUnknownActive High
0xffff00UnknownActive Low
0xff000000UnknownActive High
0x5800008-0x580000B4Writeio_select_w (// Used by Mahjong games to choose input (also maps normal loderndf inputs to offsets))
0x6000000-0x60FFFFF1048576RAM, Sharedram (// main RAM (1 meg))
 

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:ymf
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFFF4194304snd0.binCRC(c090d51a) (Fluke: 92BC)
0x400000-0x7FFFFF4194304snd1.binCRC(c24243b5) (Fluke: AD47)
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