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:lastday_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0xBFFF16384ROM Bankbank1
0xC000-0xC0078Device Writebg, dooyong_rom_tilemap_device, ctrl_w
0xC008-0xC00F8Device Writefg, dooyong_rom_tilemap_device, ctrl_w
0xC0101Read PortSYSTEM
0xC0101Writelastday_ctrl_w (/* coin counter, flip screen */)
0xC0111Writebankswitch_w
0xC0111Read PortP1
0xC0121Device Writesoundlatch, generic_latch_8_device, write
0xC0121Read PortP2
0xC0131Read PortDSWA
0xC0141Read PortDSWB
0xC800-0xCFFF2048RAM Device Write, Sharedpalette, palette_device, write, palette
0xD000-0xDFFF4096Read/Writelastday_tx_r, lastday_tx_w
0xE000-0xEFFF4096RAM
0xF000-0xFFFF4096RAM, Sharedspriteram
Memory Area:lastday_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0xC000-0xC7FF2048RAM
0xC8001Device Readsoundlatch, generic_latch_8_device, read
0xF000-0xF0012Device Read/Writeym1, ym2203_device, read, write
0xF002-0xF0032Device Read/Writeym2, ym2203_device, read, write
 

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
0x0000-0x7FFF327681.d3CRC(dd4316fd),empty (Fluke: 0792)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF327682.j4CRC(83eb572c),empty (Fluke: 0150)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF655363.s5CRC(7817d4f3),closest to 'lastday' set
0x10000-0x1FFFF655364.u5CRC(70961ea6),banked at 0x8000-0xbfff (Fluke: 34DB)
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