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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.
Zero Point (Unico, 1998)
Memory Area:zeropnt_map
Address RangeLengthFunctionDescription
0x0000-0xFFFFF1048576ROM(// ROM)
0x800018-0x8000192Read PortINPUTS
0x0001Coin 1Active High
0x0002Coin 2Active High
0x0008UnknownActive High
0x0010Start 1Active High
0x0020Start 2Active High
0x0040UnknownActive High
0x0080Service 1Active High
0x0100Button 1Active Low
0x0200Button 1Active Low
0x0400UnknownActive Low
0x0800UnknownActive Low
0x1000UnknownActive Low
0x2000UnknownActive Low
0x4000UnknownActive Low
0x8000UnknownActive Low
0x80001A-0x80001B2Read PortDSW1
0x00ffUnknownActive High
0x0000OffActive High
0x0100OnActive High
0x0000OffActive High
0x0200OnActive High
0x0000OffActive High
0x0400OnActive High
0x0000OffActive High
0x0800OnActive High
0x0000OffActive High
0x1000OnActive High
0xe0005C_1CActive High
0xc0004C_1CActive High
0xa0003C_1CActive High
0x80002C_1CActive High
0x00001C_1CActive High
0x20001C_2CActive High
0x40001C_3CActive High
0x60001C_4CActive High
0x80001C-0x80001D2Read PortDSW2
0x00ffUnknownActive High
0x0000OffActive High
0x0100OnActive High
0x0000OffActive High
0x0200OnActive High
0x0000OffActive High
0x0400OnActive High
0x0000OffActive High
0x0800OnActive High
0x1000EasyActive High
0x0000NormalActive High
0x2000HardActive High
0x40002Active High
0x00003Active High
0x80004Active High
0xc0005Active High
0x800030-0x8000312Write NOP(// ? 0)
0x80010C-0x80012122Read/Writeunico_scroll_r, unico_scroll_w (// Scroll)
0x800170-0x8001712Readunico_guny_0_msb_r (// Light Guns)
0x800174-0x8001752Readunico_gunx_0_msb_r (//)
0x800178-0x8001792Readunico_guny_1_msb_r (//)
0x80017C-0x80017D2Readunico_gunx_1_msb_r (//)
0x800188-0x8001892Device Read/Write 8-bitoki, okim6295_device, read, write, 0x00ff (// Sound)
0x80018A-0x80018B2Device Write 8-bitymsnd, ym3812_device, write_port_w, 0xff00
0x80018C-0x80018D2Device Read/Write 8-bitymsnd, ym3812_device, status_port_r, control_port_w, 0xff00
0x80018E-0x80018F2Writezeropnt_sound_bank_w (//)
0x8001E0-0x8001E12Write Only(// ? IRQ Ack)
0x904000-0x90FFFF49152Read/Writeunico_vram_r, unico_vram_w (// Layers 1, 2, 0)
0x920000-0x923FFF16384RAM(// ? 0)
0x930000-0x9307FF2048Read/Writeunico_spriteram_r, unico_spriteram_w (// Sprites)
0x940000-0x947FFF32768RAM Write, Sharedunico_palette_w, paletteram (// Palette)
0xEF0000-0xEFFFFF65536RAM(// RAM)
 

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:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152unico_zpobj_z01.binCRC(1f2768a3) (Fluke: 51B8)
0x0000-0x1FFFFF2097152unico_zpobj_z01.binCRC(1f2768a3) (Fluke: 51B8)
0x0000-0x1FFFFF2097152unico_zpobj_z01.binCRC(1f2768a3) (Fluke: 51B8)
0x200000-0x3FFFFF2097152unico_zpobj_z02.binCRC(de34f33a) (Fluke: 0354)
0x200000-0x3FFFFF2097152unico_zpobj_z02.binCRC(de34f33a) (Fluke: 0354)
0x400000-0x5FFFFF2097152unico_zpobj_z03.binCRC(d7a657f7) (Fluke: 22C2)
0x400000-0x5FFFFF2097152unico_zpobj_z03.binCRC(d7a657f7) (Fluke: 22C2)
0x400000-0x5FFFFF2097152unico_zpobj_z03.binCRC(d7a657f7) (Fluke: 22C2)
0x600000-0x7FFFFF2097152unico_zpobj_z04.binCRC(3aec2f8d) (Fluke: A5F6)
0x600000-0x7FFFFF2097152unico_zpobj_z04.binCRC(3aec2f8d) (Fluke: A5F6)
0x600000-0x7FFFFF2097152unico_zpobj_z04.binCRC(3aec2f8d) (Fluke: A5F6)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFFF2097152unico_zpscr_z06.binCRC(e1e53cf0) (Fluke: 0A7D)
0x0000-0x1FFFFF2097152unico_zpscr_z06.binCRC(e1e53cf0) (Fluke: 0A7D)
0x0000-0x1FFFFF2097152unico_zpscr_z06.binCRC(e1e53cf0) (Fluke: 0A7D)
0x200000-0x3FFFFF2097152unico_zpscr_z05.binCRC(0d7d4850) (Fluke: B3E9)
0x200000-0x3FFFFF2097152unico_zpscr_z05.binCRC(0d7d4850) (Fluke: B3E9)
0x200000-0x3FFFFF2097152unico_zpscr_z05.binCRC(0d7d4850) (Fluke: B3E9)
0x400000-0x5FFFFF2097152unico_zpscr_z07.binCRC(bb178f32) (Fluke: 75D8)
0x400000-0x5FFFFF2097152unico_zpscr_z07.binCRC(bb178f32) (Fluke: 75D8)
0x400000-0x5FFFFF2097152unico_zpscr_z07.binCRC(bb178f32) (Fluke: 75D8)
0x600000-0x7FFFFF2097152unico_zpscr_z08.binCRC(672f02e5) (Fluke: CCB9)
0x600000-0x7FFFFF2097152unico_zpscr_z08.binCRC(672f02e5) (Fluke: CCB9)
0x600000-0x7FFFFF2097152unico_zpscr_z08.binCRC(672f02e5) (Fluke: CCB9)
Memory Area:oki
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFF524288unico_1.rom1CRC(fd2384fa) (Fluke: FE08)
0x0000-0x7FFFF524288unico_1.rom1CRC(fd2384fa) (Fluke: FE08)
0x0000-0x7FFFF524288unico_1.rom1CRC(fd2384fa) (Fluke: FE08)
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