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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.
Hellfire (Toaplan (Taito license), 1989)
Memory Area:hellfire_main_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x40000-0x47FFF32768RAM
0x80000-0x800012Read PortVBLANK
0x80002-0x800032Writetoaplan1_intenable_w
0x80008-0x8000F8Writetoaplan1_bcu_control_w
0x84000-0x847FF2048RAM Write, Sharedtoaplan1_bgpalette_w, bgpalette
0x86000-0x867FF2048RAM Write, Sharedtoaplan1_fgpalette_w, fgpalette
0xC0000-0xC0FFF4096Read/Writetoaplan1_shared_r, toaplan1_shared_w
0x100000-0x1000012Writetoaplan1_bcu_flipscreen_w
0x100002-0x1000032Read/Writetoaplan1_tileram_offs_r, toaplan1_tileram_offs_w
0x100004-0x1000074Read/Writetoaplan1_tileram16_r, toaplan1_tileram16_w
0x100010-0x10001F16Read/Writetoaplan1_scroll_regs_r, toaplan1_scroll_regs_w
0x140000-0x1400012Readtoaplan1_frame_done_r
0x140002-0x1400032Read/Writetoaplan1_spriteram_offs_r, toaplan1_spriteram_offs_w
0x140004-0x1400052Read/Writetoaplan1_spriteram16_r, toaplan1_spriteram16_w
0x140006-0x1400072Read/Writetoaplan1_spritesizeram16_r, toaplan1_spritesizeram16_w
0x180000-0x1800034Writetoaplan1_tile_offsets_w
0x180006-0x1800072Writetoaplan1_fcu_flipscreen_w
0x180008-0x1800092Writetoaplan1_reset_sound_w
Memory Area:hellfire_sound_io_map
Address RangeLengthFunctionDescription
0x00001Read PortDSWA
0x00101Read PortDSWB
0x000070k 270k 200k+Active High
0x0004100k 350k 250k+Active High
0x0008100k OnlyActive High
0x000c200k OnlyActive High
0x00302Active High
0x00003Active High
0x00204Active High
0x00105Active High
0x0000OffActive High
0x0040OnActive High
0x00201Read PortTJUMP
0x0002EuropeActive High
0x0003EuropeActive High
0x0001USAActive High
0x0000JapanActive High
0x00f0UnknownActive High
0x00301Writetoaplan1_coin_w (/* Coin counter/lockout */)
0x00401Read PortP1
0x00501Read PortP2
0x00601Read PortSYSTEM
0x0070-0x00712Device Read/Writeymsnd, ym3812_device, read, write
Memory Area:toaplan1_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM, Sharedsharedram
 

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
0x0000-0x7FFF32768b90_03.2CRC(4058fa67) (Fluke: 7603)
0x0000-0x7FFF32768b90_03.2CRC(4058fa67) (Fluke: 7603)
0x0000-0x7FFF32768b90_03.2CRC(4058fa67) (Fluke: 7603)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x001F3213.3wCRC(bc88cced),N82S123AN bprom - sprite attribute (flip/position) ?? (Fluke: 6597)
0x0000-0x001F3213.3wCRC(bc88cced),N82S123AN bprom - sprite attribute (flip/position) ?? (Fluke: 6597)
0x0000-0x001F3213.3wCRC(bc88cced),N82S123AN bprom - sprite attribute (flip/position) ?? (Fluke: 6597)
0x0000-0x001F3213.3wCRC(bc88cced),N82S123AN bprom - sprite attribute (flip/position) ?? (Fluke: 6597)
0x0020-0x003F3212.6bCRC(a1e17492),N82S123AN bprom - ??? (Fluke: A37B)
0x0020-0x003F3212.6bCRC(a1e17492),N82S123AN bprom - ??? (Fluke: A37B)
0x0020-0x003F3212.6bCRC(a1e17492),N82S123AN bprom - ??? (Fluke: A37B)
0x0020-0x003F3212.6bCRC(a1e17492),N82S123AN bprom - ??? (Fluke: A37B)
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