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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 Guerrilla (Omori Electric Co., Ltd., 1979)
Memory Area:spaceg_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x3000-0x3FFF4096ROM
0x7000-0x77FF2048RAM
0x94001Write Only, Sharedio9400 (/* gfx ctrl */)
0x94011Write Only, Sharedio9401 (/* gfx ctrl */)
0x94021Write NOP
0x94051Writesound1_w
0x94061Writesound2_w
0x94071Writesound3_w
0x98001Read Port9800
0x00003Active High
0x00044Active High
0x00085Active High
0x000c6Active High
0x000010000Active High
0x002030000Active High
0x001040000Active High
0x003050000Active High
0x000010000Active High
0x008030000Active High
0x004040000Active High
0x00c050000Active High
0x98011Read Port9801
0x0001Coin 1Active High
0x0004Button 1Active High
0x98021Read Port9802
0x0004Button 1Active High
0x0008Start 1Active High
0x0010Start 2Active High
0x98051Read Port9805
0x0001Joystick LeftActive High
0x0002Joystick RightActive High
0x98061Read Port9806
0x0001Joystick LeftActive High
0x0002Joystick RightActive High
0xA000-0xBFFF8192RAM Read, Sharedspaceg_colorram_r, colorram
0xC000-0xDFFF8192RAM Write, Sharedzvideoram_w, videoram
 

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:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF10241.9aCRC(d6f80b0e) (Fluke: 2994)
0x0400-0x07FF10242.8aCRC(708b8eec) (Fluke: F9F8)
0x0800-0x0BFF10243.9bCRC(7f0b5cb4) (Fluke: D484)
0x0C00-0x0FFF10244.8bCRC(8b40a154) (Fluke: F326)
0x1000-0x13FF10245.9cCRC(5279241c) (Fluke: 5C3F)
0x1400-0x17FF10246.8cCRC(9b84fe3a) (Fluke: BB62)
0x1800-0x1BFF10247.9dCRC(95279b25) (Fluke: 2B8B)
0x1C00-0x1FFF10248.8dCRC(6a824383) (Fluke: DDB8)
0x3000-0x33FF102413.9gCRC(dccc386f) (Fluke: 0A47)
0x3400-0x37FF102414.8gCRC(dc9a10c2) (Fluke: FEE7)
0x3800-0x3BFF102415.9hCRC(55e2950d) (Fluke: 660E)
0x3C00-0x3FFF102416.8hCRC(567259c4) (Fluke: A780)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32prom1
0x0020-0x003F32prom2
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