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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.
Indian Battle (Taito do Brasil, 1983)
Memory Area:indianbtbr_io_map
Address RangeLengthFunctionDescription
0x00001Read PortIN0
0x00003Active High
0x00014Active High
0x00025Active High
0x00036Active High
0x0004UnusedActive High
0x0008UnusedActive High
0x0010UnusedActive High
0x0020UnknownActive High
0x0040UnusedActive High
0x0080UnknownActive High
0x00011Readindianbtbr_01_r
0x00021Read Port, Device WriteIN2, mb14241, mb14241_device, shift_count_w
0x0001UnusedActive High
0x0002UnusedActive High
0x0004UnusedActive High
0x0000OffActive High
0x0008OnActive High
0x0010Button 1Active High
0x0020Joystick LeftActive High
0x0040Joystick RightActive High
0x0080UnknownActive Low
0x00031Device Read, Writemb14241, mb14241_device, shift_result_r, indianbtbr_sh_port_1_w
0x00041Device Writemb14241, mb14241_device, shift_data_w
0x00051Writeindianbtbr_sh_port_2_w
0x00061Device Writewatchdog, watchdog_timer_device, reset_w
0x00071Write NOP
Memory Area:schaser_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM
0x2000-0x3FFF8192RAM, Sharedmain_ram
0x4000-0x5FFF8192ROM
0xC000-0xDFFF8192Read/Writeschaser_scattered_colorram_r, schaser_scattered_colorram_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
0x0000-0x07FF20481.36CRC(5cf6316b)
0x0800-0x0FFF20482.35CRC(882c7421)
0x1000-0x17FF20483.34CRC(5c51675d) (Fluke: 8661)
0x1800-0x1FFF20484.33CRC(70ebec95) (Fluke: 0F8C)
0x4000-0x47FF20485.32CRC(aa12dbae)
0x4800-0x4FFF20486.31CRC(d9cb1691)
0x5000-0x57FF20487.42CRC(7060ba0b) (Fluke: 839F)
0x5800-0x5FFF20488.41CRC(e96699d6)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x03FF1024mb7054.1CRC(4acf4db3) (Fluke: 761C)
0x0400-0x07FF1024mb7054.2CRC(62cb3419) (Fluke: 1D)
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