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:megasys1Z_map
Address RangeLengthFunctionDescription
0x0000-0x5FFFF393216ROM
0x80000-0x800012Read PortSYSTEM
0x80002-0x800032Read PortP1
0x80004-0x800052Read PortP2
0x80006-0x800072Read PortDSW
0x84200-0x842056Device Writescroll0, megasys1_tilemap_device, scroll_w
0x84208-0x8420D6Device Writescroll1, megasys1_tilemap_device, scroll_w
0x84300-0x843012Writescreen_flag_w
0x84308-0x843092Writesoundlatch_z_w
0x88000-0x887FF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0x8E000-0x8FFFF8192RAM, Sharedobjectram
0x90000-0x93FFF16384RAM Device Write, Sharedscroll0, megasys1_tilemap_device, write, scroll0
0x94000-0x97FFF16384RAM Device Write, Sharedscroll1, megasys1_tilemap_device, write, scroll1
0xF0000-0xFFFFF65536RAM Write, Sharedram_w, ram
Memory Area:z80_sound_io_map
Address RangeLengthFunctionDescription
0x0000-0x00012Device Read/Writeymsnd, ym2203_device, read, write
Memory Area:z80_sound_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0xC000-0xC7FF2048RAM
0xE0001Device Readsoundlatch_z, generic_latch_8_device, read
0xF0001Write NOP(/* ?? */)
 

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
0x0000-0xFFFF65536lom_01.romCRC(46e85e90) (Fluke: 307C)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256makaiden.9CRC(3567065d) (Fluke: 470F)
0x0100-0x01FF256makaiden.10CRC(e6709c51) (Fluke: 6522)
Memory Area:scroll0
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072lom_05.romCRC(d04fc713) (Fluke: 9856)
Memory Area:scroll1
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536makaiden.8CRC(a7f623f9) (Fluke: 6836)
Memory Area:sprites
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072lom_06.romCRC(f33b6eed) (Fluke: 5518)
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