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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.
Major Poker (PAL System / Micro Manufacturing, 1994)
Memory Area:map
Address RangeLengthFunctionDescription
0x0000-0xDFFF57344ROM
0xE000-0xE7FF2048ROM Bankrom_bank
0xE800-0xEFFF2048RAM, Sharednvram
0xF000-0xF7FF2048Devicepalette_bank, address_map_bank_device, amap8
0xF800-0xFFFF2048Devicevram_bank, address_map_bank_device, amap8
Memory Area:palettebanks
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192RAM Device Write, Sharedpalette, palette_device, write, palette
Memory Area:portmap
Address RangeLengthFunctionDescription
0x00001Writerom_bank_w
0x00011Writepalette_bank_w
0x00021Writevram_bank_w
0x00101Writepulses_w (// kind of watchdog on bit4... mech counters on bits 0-1-2-3.)
0x00101Readmux_port2_r (// muxed set of controls.)
0x00111Writemux_sel_w (// multiplexer selector.)
0x00111Read PortIN1
0x00121Read PortIN2
0x00121Writevidreg_w (// video registers: normal or up down screen.)
0x00131Readmux_port_r (// all 4 DIP switches banks multiplexed.)
0x00131Writelamps_a_w (// lamps a out.)
0x00141Writelamps_b_w (// lamps b out.)
0x00141Read PortTEST (// "freeze" switch.)
0x00301Device Writecrtc, mc6845_device, address_w
0x00311Device Read/Writecrtc, mc6845_device, register_r, register_w
0x00501Device Read/Writeoki, okim6295_device, read, write
0x00601Write NOP(// leftover from a PSG SN76489/96?...)
Memory Area:vrambanks
Address RangeLengthFunctionDescription
0x0000-0x07FF2048RAM Write, Sharedfg_vram_w, fg_vram
0x0800-0x0FFF2048RAM Write, Sharedbg_vram_w, bg_vram
0x1000-0x1FFF4096RAM(// spare vram? cleared during boot along with fg and bg)
 

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:bg_gfx
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF52428827c040.rom1CRC(67299eff)
0x0000-0x7FFFF52428827c040.rom1CRC(67299eff)
0x0000-0x7FFFF52428827c040.rom1CRC(67299eff)
0x80000-0xFFFFF52428827c040.rom2CRC(2d68b177)
0x80000-0xFFFFF52428827c040.rom2CRC(2d68b177)
0x80000-0xFFFFF52428827c040.rom2CRC(2d68b177)
Memory Area:fg_gfx
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF13107227c1001.rom3CRC(54452bb8)
0x0000-0x1FFFF13107227c1001.rom3CRC(54452bb8)
0x0000-0x1FFFF13107227c1001.rom3CRC(54452bb8)
0x20000-0x3FFFF13107227c1001.rom4CRC(2e1e0972)
0x20000-0x3FFFF13107227c1001.rom4CRC(2e1e0972)
0x20000-0x3FFFF13107227c1001.rom4CRC(2e1e0972)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF6553627c512__a.rom6CRC(0213a933)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFFF26214427c2001.rom5CRC(4843858e)
0x0000-0x3FFFF26214427c2001.rom5CRC(4843858e)
0x0000-0x3FFFF26214427c2001.rom5CRC(4843858e)
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