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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.
Vulgus (Capcom, 1984)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x9FFF40960ROM
0xC0001Read PortSYSTEM
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040Coin 2Active Low
0x0080Coin 1Active Low
0xC0011Read PortP1
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick DownActive Low
0x0008Joystick UpActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xC0021Read PortP2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick DownActive Low
0x0008Joystick UpActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0xC0031Read PortDSW1
0x0003LivesActive High
0x00011Active High
0x00022Active High
0x00033Active High
0x00005Active High
0x001cCoin_BActive High
0x00105C_1CActive High
0x00084C_1CActive High
0x00183C_1CActive High
0x00042C_1CActive High
0x001c1C_1CActive High
0x000c1C_2CActive High
0x00141C_3CActive High
0x0000InvalidActive High
0x00e0Coin_AActive High
0x00805C_1CActive High
0x00404C_1CActive High
0x00c03C_1CActive High
0x00202C_1CActive High
0x00e01C_1CActive High
0x00601C_2CActive High
0x00a01C_3CActive High
0x0000Free_PlayActive High
0xC0041Read PortDSW2
0x0000OffActive High
0x0004OnActive High
0x0008Demo_SoundsActive High
0x0000OffActive High
0x0008OnActive High
0x0070Bonus_LifeActive High
0x003010000 50000Active High
0x005010000 60000Active High
0x001010000 70000Active High
0x007020000 60000Active High
0x006020000 70000Active High
0x002020000 80000Active High
0x004030000 70000Active High
0x0000NoneActive High
0x0080CabinetActive High
0x0000UprightActive High
0x0080CocktailActive High
0xC8001Device Writesoundlatch, generic_latch_8_device, write
0xC8011Write NOP(// ?)
0xC802-0xC8032RAM, Sharedscroll_low
0xC8041Writec804_w
0xC8051Writepalette_bank_w
0xC902-0xC9032RAM, Sharedscroll_high
0xCC00-0xCC7F128RAM, Sharedspriteram
0xD000-0xD7FF2048RAM Write, Sharedfgvideoram_w, fgvideoram
0xD800-0xDFFF2048RAM Write, Sharedbgvideoram_w, bgvideoram
0xE000-0xEFFF4096RAM
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x4000-0x47FF2048RAM
0x60001Device Readsoundlatch, generic_latch_8_device, read
0x8000-0x80012Device Writeay1, ay8910_device, address_data_w
0xC000-0xC0012Device Writeay2, ay8910_device, address_data_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
0x0000-0x1FFF81921-11c.binCRC(3bd2acf4) (Fluke: DEC4)
0x0000-0x1FFF81921-11c.binCRC(3bd2acf4) (Fluke: DEC4)
0x0000-0x1FFF81921-11c.binCRC(3bd2acf4) (Fluke: DEC4)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81921-3d.binCRC(8bc5d7a5),characters (Fluke: F0F9)
0x0000-0x1FFF81921-3d.binCRC(8bc5d7a5),characters (Fluke: F0F9)
0x0000-0x1FFF81921-3d.binCRC(8bc5d7a5),characters (Fluke: F0F9)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81922-2a.binCRC(e10aaca1),tiles (Fluke: 080D)
0x0000-0x1FFF81922-2a.binCRC(e10aaca1),tiles (Fluke: 080D)
0x0000-0x1FFF81922-2a.binCRC(e10aaca1),tiles (Fluke: 080D)
0x2000-0x3FFF81922-3a.binCRC(8da520da) (Fluke: 3E4A)
0x2000-0x3FFF81922-3a.binCRC(8da520da) (Fluke: 3E4A)
0x2000-0x3FFF81922-3a.binCRC(8da520da) (Fluke: 3E4A)
0x4000-0x5FFF81922-4a.binCRC(206a13f1) (Fluke: 7BA6)
0x4000-0x5FFF81922-4a.binCRC(206a13f1) (Fluke: 7BA6)
0x4000-0x5FFF81922-4a.binCRC(206a13f1) (Fluke: 7BA6)
0x6000-0x7FFF81922-5a.binCRC(b6d81984) (Fluke: 23E7)
0x6000-0x7FFF81922-5a.binCRC(b6d81984) (Fluke: 23E7)
0x6000-0x7FFF81922-5a.binCRC(b6d81984) (Fluke: 23E7)
0x8000-0x9FFF81922-6a.binCRC(5a26b38f) (Fluke: C562)
0x8000-0x9FFF81922-6a.binCRC(5a26b38f) (Fluke: C562)
0x8000-0x9FFF81922-6a.binCRC(5a26b38f) (Fluke: C562)
0xA000-0xBFFF81922-7a.binCRC(1e1ca773) (Fluke: DB48)
0xA000-0xBFFF81922-7a.binCRC(1e1ca773) (Fluke: DB48)
0xA000-0xBFFF81922-7a.binCRC(1e1ca773) (Fluke: DB48)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81922-2n.binCRC(6db1b10d),sprites (Fluke: 5644)
0x0000-0x1FFF81922-2n.binCRC(6db1b10d),sprites (Fluke: 5644)
0x0000-0x1FFF81922-2n.binCRC(6db1b10d),sprites (Fluke: 5644)
0x2000-0x3FFF81922-3n.binCRC(5d8c34ec) (Fluke: 7914)
0x2000-0x3FFF81922-3n.binCRC(5d8c34ec) (Fluke: 7914)
0x2000-0x3FFF81922-3n.binCRC(5d8c34ec) (Fluke: 7914)
0x4000-0x5FFF81922-4n.binCRC(0071a2e3) (Fluke: 6A10)
0x4000-0x5FFF81922-4n.binCRC(0071a2e3) (Fluke: 6A10)
0x4000-0x5FFF81922-4n.binCRC(0071a2e3) (Fluke: 6A10)
0x6000-0x7FFF81922-5n.binCRC(4023a1ec) (Fluke: F45A)
0x6000-0x7FFF81922-5n.binCRC(4023a1ec) (Fluke: F45A)
0x6000-0x7FFF81922-5n.binCRC(4023a1ec) (Fluke: F45A)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192vulgus.002CRC(e49d6c5d) (Fluke: 17A2)
0x2000-0x3FFF8192vulgus.003CRC(51acef76) (Fluke: 4298)
0x4000-0x5FFF8192vulgus.004CRC(489e7f60) (Fluke: 0CFE)
0x6000-0x7FFF8192vulgus.005CRC(de3a24a8) (Fluke: BBAF)
0x8000-0x9FFF81921-8n.binCRC(6ca5ca41) (Fluke: F3F4)
0x8000-0x9FFF81921-8n.binCRC(6ca5ca41) (Fluke: F3F4)
0x8000-0x9FFF81921-8n.binCRC(6ca5ca41) (Fluke: F3F4)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256e8.binCRC(06a83606),red component (Fluke: 5E96)
0x0000-0x00FF256e8.binCRC(06a83606),red component (Fluke: 5E96)
0x0000-0x00FF256e8.binCRC(06a83606),red component (Fluke: 5E96)
0x0100-0x01FF256e9.binCRC(beacf13c),green component (Fluke: 6806)
0x0100-0x01FF256e9.binCRC(beacf13c),green component (Fluke: 6806)
0x0100-0x01FF256e9.binCRC(beacf13c),green component (Fluke: 6806)
0x0200-0x02FF256e10.binCRC(de1fb621),blue component (Fluke: 781A)
0x0200-0x02FF256e10.binCRC(de1fb621),blue component (Fluke: 781A)
0x0200-0x02FF256e10.binCRC(de1fb621),blue component (Fluke: 781A)
0x0300-0x03FF256d1.binCRC(7179080d),char lookup table (Fluke: F2D9)
0x0300-0x03FF256d1.binCRC(7179080d),char lookup table (Fluke: F2D9)
0x0300-0x03FF256d1.binCRC(7179080d),char lookup table (Fluke: F2D9)
0x0400-0x04FF256j2.binCRC(d0842029),sprite lookup table (Fluke: 8E28)
0x0400-0x04FF256j2.binCRC(d0842029),sprite lookup table (Fluke: 8E28)
0x0400-0x04FF256j2.binCRC(d0842029),sprite lookup table (Fluke: 8E28)
0x0500-0x05FF256c9.binCRC(7a1f0bd6),tile lookup table (Fluke: AD00)
0x0500-0x05FF256c9.binCRC(7a1f0bd6),tile lookup table (Fluke: AD00)
0x0500-0x05FF256c9.binCRC(7a1f0bd6),tile lookup table (Fluke: AD00)
0x0600-0x06FF25682s126.9kCRC(32b10521),interrupt timing? (not used) (Fluke: 85E6)
0x0600-0x06FF25682s126.9kCRC(32b10521),interrupt timing? (not used) (Fluke: 85E6)
0x0600-0x06FF25682s126.9kCRC(32b10521),interrupt timing? (not used) (Fluke: 85E6)
0x0700-0x07FF25682s129.8nCRC(4921635c),video timing? (not used) (Fluke: 1FB1)
0x0700-0x07FF25682s129.8nCRC(4921635c),video timing? (not used) (Fluke: 1FB1)
0x0700-0x07FF25682s129.8nCRC(4921635c),video timing? (not used) (Fluke: 1FB1)
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