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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.
Midnight Resistance (Data East Corporation, 1989)
Memory Area:midres_map
Address RangeLengthFunctionDescription
0x0000-0x7FFFF524288ROM
0x100000-0x103FFF16384RAM, Sharedram
0x120000-0x1207FF2048RAM, Sharedspriteram
0x140000-0x1407FF2048Device Write, Sharedpalette, palette_device, write, palette
0x160000-0x1600012Writedec0_priority_w
0x180000-0x18000F16Readmidres_controls_r
0x180008-0x18000F8Write NOP(/* ?? watchdog ?? */)
0x1A0000-0x1A00012Writemidres_sound_w
0x200000-0x2000078Device Writetilegen2, deco_bac06_device, pf_control_0_w
0x200010-0x2000178Device Writetilegen2, deco_bac06_device, pf_control_1_w
0x220000-0x2207FF2048Device Read/Writetilegen2, deco_bac06_device, pf_data_r, pf_data_w
0x220800-0x220FFF2048Device Read/Writetilegen2, deco_bac06_device, pf_data_r, pf_data_w (/* mirror address used in end sequence */)
0x240000-0x24007F128Device Read/Writetilegen2, deco_bac06_device, pf_colscroll_r, pf_colscroll_w
0x240400-0x2407FF1024Device Read/Writetilegen2, deco_bac06_device, pf_rowscroll_r, pf_rowscroll_w
0x280000-0x2800078Device Writetilegen3, deco_bac06_device, pf_control_0_w
0x280010-0x2800178Device Writetilegen3, deco_bac06_device, pf_control_1_w
0x2A0000-0x2A07FF2048Device Read/Writetilegen3, deco_bac06_device, pf_data_r, pf_data_w
0x2C0000-0x2C007F128Device Read/Writetilegen3, deco_bac06_device, pf_colscroll_r, pf_colscroll_w
0x2C0400-0x2C07FF1024Device Read/Writetilegen3, deco_bac06_device, pf_rowscroll_r, pf_rowscroll_w
0x300000-0x3000078Device Writetilegen1, deco_bac06_device, pf_control_0_w
0x300010-0x3000178Device Writetilegen1, deco_bac06_device, pf_control_1_w
0x320000-0x321FFF8192RAM
0x320000-0x321FFF8192Device Read/Writetilegen1, deco_bac06_device, pf_data_r, pf_data_w
0x340000-0x34007F128Device Read/Writetilegen1, deco_bac06_device, pf_colscroll_r, pf_colscroll_w
0x340400-0x3407FF1024Device Read/Writetilegen1, deco_bac06_device, pf_rowscroll_r, pf_rowscroll_w
Memory Area:midres_s_map
Address RangeLengthFunctionDescription
0x0000-0xFFFF65536ROM
0x108000-0x1080012Device Writeym2, ym3812_device, write
0x118000-0x1180012Device Writeym1, ym2203_device, write
0x130000-0x1300012Device Read/Writeoki, okim6295_device, read, write
0x138000-0x1380012Device Readsoundlatch, generic_latch_8_device, read
0x1F0000-0x1F1FFF8192RAM Bankbank8
0x1FF400-0x1FF4034Device Writeaudiocpu, h6280_device, irq_status_w
 

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
0x0000-0xFFFF65536fl16CRC(66360bdf) (Fluke: 08F1)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x8000-0xFFFF32768fk_05.romCRC(3cdb7453) (Fluke: 2829)
0x8000-0xFFFF32768fk_05.romCRC(3cdb7453) (Fluke: 2829)
0x18000-0x1FFFF32768fk_04.romCRC(325ba20c) (Fluke: 3589)
0x18000-0x1FFFF32768fk_04.romCRC(325ba20c) (Fluke: 3589)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072fl09CRC(907d5910) (Fluke: AFBF)
0x0000-0x1FFFF131072fl09CRC(907d5910) (Fluke: AFBF)
0x20000-0x3FFFF131072fl08CRC(a936c03c) (Fluke: 0C24)
0x20000-0x3FFFF131072fl08CRC(a936c03c) (Fluke: 0C24)
0x40000-0x5FFFF131072fl07CRC(2068c45c) (Fluke: A336)
0x40000-0x5FFFF131072fl07CRC(2068c45c) (Fluke: A336)
0x60000-0x7FFFF131072fl06CRC(b7241ab9) (Fluke: 6279)
0x60000-0x7FFFF131072fl06CRC(b7241ab9) (Fluke: 6279)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072fl11CRC(b86b73b4) (Fluke: 95EF)
0x0000-0x1FFFF131072fl11CRC(b86b73b4) (Fluke: 95EF)
0x20000-0x3FFFF131072fl10CRC(92245b29) (Fluke: 2797)
0x20000-0x3FFFF131072fl10CRC(92245b29) (Fluke: 2797)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072fl01CRC(2c8b35a7) (Fluke: 9BCD)
0x0000-0x1FFFF131072fl01CRC(2c8b35a7) (Fluke: 9BCD)
0x20000-0x3FFFF131072fl03CRC(1eefed3c) (Fluke: 8E42)
0x20000-0x3FFFF131072fl03CRC(1eefed3c) (Fluke: 8E42)
0x40000-0x5FFFF131072fl00CRC(756fb801) (Fluke: 1CC9)
0x40000-0x5FFFF131072fl00CRC(756fb801) (Fluke: 1CC9)
0x60000-0x7FFFF131072fl02CRC(54d2c120) (Fluke: 8AD2)
0x60000-0x7FFFF131072fl02CRC(54d2c120) (Fluke: 8AD2)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072fl17CRC(9029965d) (Fluke: 8073)
Memory Area:plds
Address RangeLengthLabel/LocationDescription
0x0000-0x0103260pal16r4a-1.binCRC(d28fb8e0) (Fluke: 6B69)
0x0000-0x0103260pal16r4a-1.binCRC(d28fb8e0) (Fluke: 6B69)
0x0200-0x0303260pal16l8b-2.binCRC(bcb591e3) (Fluke: 3779)
0x0200-0x0303260pal16l8b-2.binCRC(bcb591e3) (Fluke: 3779)
0x0400-0x0503260pal16l8a-3.binCRC(e12972ac) (Fluke: 9C86)
0x0400-0x0503260pal16l8a-3.binCRC(e12972ac) (Fluke: 9C86)
0x0600-0x0703260pal16l8a-4.binCRC(c6437e49) (Fluke: 8F6C)
0x0600-0x0703260pal16l8a-4.binCRC(c6437e49) (Fluke: 8F6C)
0x0800-0x0903260pal16l8b-5.binCRC(e9ee3a67) (Fluke: 72FF)
0x0800-0x0903260pal16l8b-5.binCRC(e9ee3a67) (Fluke: 72FF)
0x0A00-0x0B03260pal16l8a-6.binCRC(23b17abe) (Fluke: FA43)
0x0A00-0x0B03260pal16l8a-6.binCRC(23b17abe) (Fluke: FA43)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF2567114.prmCRC(eb539ffb),Priority (not used) (Fluke: 4AFA)
0x0000-0x00FF2567114.prmCRC(eb539ffb),Priority (not used) (Fluke: 4AFA)
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