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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 Laser (Taito, 1980)
Memory Area:invadpt2_io_map
Address RangeLengthFunctionDescription
0x00001Read PortIN0
0x0001UnknownActive High
0x0002UnknownActive High
0x0004UnknownActive High
0x0008UnknownActive High
0x0010UnknownActive High
0x0020UnknownActive High
0x0040UnknownActive High
0x0080UnknownActive High
0x00011Read PortIN1
0x0001Coin 1Active High
0x0002Start 2Active High
0x0004Start 1Active High
0x0008UnknownActive High
0x0010Button 1Active High
0x0020Joystick LeftActive High
0x0040Joystick RightActive High
0x0080UnknownActive High
0x0003LivesActive High
0x00003Active High
0x00014Active High
0x00025Active High
0x00036Active High
0x0008Bonus_LifeActive High
0x00081000Active High
0x00001500Active High
0x0010UnknownActive High
0x0020UnknownActive High
0x0040UnknownActive High
0x0080OffActive High
0x0000OnActive High
0x00021Read Port, Device WriteIN2, mb14241, mb14241_device, shift_count_w
0x0010Button 1Active High
0x0020Joystick LeftActive High
0x0040Joystick RightActive High
0x0080CoinageActive High
0x00001 Coin/1 Or 2 PlayersActive High
0x00801 Coin/1 Player 2 Coins/2 PlayersActive High
0x00031Device Read, Writemb14241, mb14241_device, shift_result_r, invadpt2_sh_port_1_w
0x00041Device Writemb14241, mb14241_device, shift_data_w
0x00051Writeinvadpt2_sh_port_2_w
0x00061Device Writewatchdog, watchdog_timer_device, reset_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:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048la01CRC(bedc0078) (Fluke: 3AEE)
0x0800-0x0FFF2048la02CRC(43bc65c5) (Fluke: 59EA)
0x1000-0x17FF2048la03CRC(1083e9cc) (Fluke: 0474)
0x1800-0x1FFF2048la04CRC(5116b234) (Fluke: B748)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF102401.1BAD_DUMP CRC(aac24f34) (Fluke: A0DD)
0x0400-0x07FF102402.2BAD_DUMP CRC(2bdf83a0) (Fluke: DCA1)
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