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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.
Planet Probe (Crux / Kyugo, 1985)
Memory Area:cpu2_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x4000-0x47FF2048RAM, Sharedsharedram
0x80001Read PortP2
0x0001Joystick LeftActive High
0x0002Joystick RightActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040UnknownActive High
0x0080UnknownActive High
0x80401Read PortP1
0x0001Joystick LeftActive High
0x0002Joystick RightActive High
0x0004Joystick UpActive High
0x0008Joystick DownActive High
0x0010Button 1Active High
0x0020Button 2Active High
0x0040UnknownActive High
0x0080UnknownActive High
0x80801Read PortSYSTEM
0x0001Coin 1Active High
0x0002Coin 2Active High
0x0004Service 1Active High
0x0008Start 1Active High
0x0010Start 2Active High
0x0020UnknownActive High
0x0040UnknownActive High
0x0080UnknownActive High
Memory Area:cpu2_port_map
Address RangeLengthFunctionDescription
0x0000-0x00012Device Writeaysnd, ay8910_device, address_data_w
0x00021Device Readaysnd, ay8910_device, data_r
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x8FFF4096RAM Write, Shared, Mirrorbg2videoram_w, bg2videoram, 0x2000
0x9000-0x9FFF4096RAM Write, Shared, Mirrorbg1videoram_w, bg1videoram, 0x2000
0xC0001Write Only, Sharedsprite_priority (/* sprite/BG priority */)
0xC400-0xCFFF3072RAM Write, Sharedfgvideoram_w, fgvideoram (// fg videoram + sprites)
0xE0001Device Read/Writewatchdog, watchdog_timer_device, reset_r, reset_w
0xF000-0xF7FF2048RAM, Sharedsharedram
Memory Area:main_port_map
Address RangeLengthFunctionDescription
0x00001Writenmi_mask_w
0x00011Writeflip_screen_w
0x00021Writehold_cpu2_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
0x0000-0x1FFF8192pb9.binCRC(82294dd6)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192pb8.binCRC(8d809e45)
0x2000-0x3FFF8192pb10.binCRC(895f9dd3)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192pb6.binCRC(ff309239)
Memory Area:gfx4
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192pb7.binCRC(439978f7)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192pb2.binCRC(a88592aa)
0x2000-0x3FFF8192pb3.binCRC(e4e20f74)
0x4000-0x5FFF8192pb4.binCRC(4e40e3fe)
0x6000-0x7FFF8192pb5.binCRC(b26ff0fd)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256n82s129.3CRC(dfb6b97c)
0x0100-0x01FF256n82s129.1CRC(3cc696a2)
0x0200-0x02FF256dm74s287.2CRC(64fea033)
Memory Area:sub
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192pb1.binCRC(cd624df9)
Memory Area:unkprom
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF256mmi6301-1.binCRC(b5297a3b),???? == vastar - tbp24s10.8n (Fluke: 9E5F)
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