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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.
Space Panic (Universal, 1980)
Memory Area:panic_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0x4000-0x5FFF8192RAM, Sharedvideoram
0x6000-0x601F32Write Only, Sharedspriteram
0x68001Read PortP1
0x0001Button 1Active Low
0x0002Joystick RightActive Low
0x0004Joystick LeftActive Low
0x0008Joystick DownActive Low
0x0010Joystick UpActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080Button 2Active Low
0x68011Read PortP2
0x0001Button 1Active Low
0x0002Joystick RightActive Low
0x0004Joystick LeftActive Low
0x0008Joystick DownActive Low
0x0010Joystick UpActive Low
0x0020UnknownActive Low
0x0040UnknownActive Low
0x0080Button 2Active Low
0x68021Read PortDSW
0x0007Coin_AActive High
0x00001C_1CActive High
0x00052C_3CActive High
0x00011C_2CActive High
0x00021C_3CActive High
0x00031C_4CActive High
0x00041C_5CActive High
0x0008CabinetActive High
0x0000UprightActive High
0x0008CocktailActive High
0x0010Bonus_LifeActive High
0x00003000Active High
0x00105000Active High
0x0020LivesActive High
0x00003Active High
0x00204Active High
0x00c0Coin_BActive High
0x00002C_1CActive High
0x00401C_1CActive High
0x00801C_2CActive High
0x00c01C_3CActive High
0x68031Read PortSYSTEM
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020UnknownActive Low
0x0040Coin 1Active Low
0x0080Coin 2Active Low
0x7000-0x700B12Writepanic_sound_output_w
0x700C-0x700E3Writecosmic_color_register_w
0x700F1Writeflip_screen_w
0x7800-0x78012Writepanic_sound_output2_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:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048spcpanic.11CRC(acea9df4) (Fluke: 59CD)
0x0000-0x07FF2048spcpanic.11CRC(acea9df4) (Fluke: 59CD)
0x0000-0x07FF2048spcpanic.11CRC(acea9df4) (Fluke: 59CD)
0x0000-0x07FF2048spcpanic.11CRC(acea9df4) (Fluke: 59CD)
0x0800-0x0FFF2048spcpanic.12CRC(e83423d0) (Fluke: E8CE)
0x0800-0x0FFF2048spcpanic.12CRC(e83423d0) (Fluke: E8CE)
0x0800-0x0FFF2048spcpanic.12CRC(e83423d0) (Fluke: E8CE)
0x0800-0x0FFF2048spcpanic.12CRC(e83423d0) (Fluke: E8CE)
0x1000-0x17FF2048spcpanic.10CRC(c9631c2d) (Fluke: BF64)
0x1000-0x17FF2048spcpanic.10CRC(c9631c2d) (Fluke: BF64)
0x1000-0x17FF2048spcpanic.10CRC(c9631c2d) (Fluke: BF64)
0x1000-0x17FF2048spcpanic.10CRC(c9631c2d) (Fluke: BF64)
0x1800-0x1FFF2048spcpanic.9CRC(eec78b4c) (Fluke: DB09)
0x1800-0x1FFF2048spcpanic.9CRC(eec78b4c) (Fluke: DB09)
0x1800-0x1FFF2048spcpanic.9CRC(eec78b4c) (Fluke: DB09)
0x1800-0x1FFF2048spcpanic.9CRC(eec78b4c) (Fluke: DB09)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048spe1CRC(70ac0888) (Fluke: 3F24)
0x0800-0x0FFF2048spe2CRC(2b910c48) (Fluke: 4483)
0x1000-0x17FF2048spe3CRC(03810148) (Fluke: 4EFF)
0x1800-0x1FFF2048spe4CRC(119bbbfd) (Fluke: 8E50)
0x2000-0x27FF2048spcpanic.5CRC(5b80f277) (Fluke: 21A3)
0x2000-0x27FF2048spcpanic.5CRC(5b80f277) (Fluke: 21A3)
0x2000-0x27FF2048spcpanic.5CRC(5b80f277) (Fluke: 21A3)
0x2800-0x2FFF2048spcpanic.6CRC(b73babf0) (Fluke: 370D)
0x2800-0x2FFF2048spcpanic.6CRC(b73babf0) (Fluke: 370D)
0x2800-0x2FFF2048spcpanic.6CRC(b73babf0) (Fluke: 370D)
0x3000-0x37FF2048spe7CRC(2894106e) (Fluke: 0EB1)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F3282s123.spCRC(35d43d2f) (Fluke: A746)
0x0000-0x001F3282s123.spCRC(35d43d2f) (Fluke: A746)
0x0000-0x001F3282s123.spCRC(35d43d2f) (Fluke: A746)
0x0000-0x001F3282s123.spCRC(35d43d2f) (Fluke: A746)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048spcpanic.8CRC(7da0b321) (Fluke: 8C1F)
0x0000-0x07FF2048spcpanic.8CRC(7da0b321) (Fluke: 8C1F)
0x0000-0x07FF2048spcpanic.8CRC(7da0b321) (Fluke: 8C1F)
0x0000-0x07FF2048spcpanic.8CRC(7da0b321) (Fluke: 8C1F)
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