Memory Area:gfx1
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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.
Pinball 2000: Revenge From Mars (Midway, 1999)
Memory Area:mediagx_io
Address RangeLengthFunctionDescription
0x0020-0x00234Read/Write 8-bitio20_r, io20_w, 0xffff0000
0x00E8-0x00EB4Read/Write NOP(// I/O delay port)
0x0378-0x037B4Read/Writeparallel_port_r, parallel_port_w
0x0400-0x04034Read/Writeport400_r, port400_w
0x0800-0x08034Read/Writeport800_r, port800_w
0x0CF8-0x0CFF8Device Read/Writepcibus, pci_bus_legacy_device, read, write
Memory Area:mediagx_map
Address RangeLengthFunctionDescription
0x0000-0x9FFFF655360RAM, Sharedmain_ram
0xA0000-0xAFFFF65536RAM
0xB0000-0xB7FFF32768RAM, Sharedcga_ram
0xC0000-0xFFFFF262144RAM, Sharedbios_ram
0x100000-0xFFFFFF15728640RAM
0x40008000-0x400080FF256Read/Writebiu_ctrl_r, biu_ctrl_w
0x40008300-0x400083FF256Read/Writedisp_ctrl_r, disp_ctrl_w
0x40008400-0x400084FF256Read/Writememory_ctrl_r, memory_ctrl_w
0x40800000-0x40BFFFFF4194304RAM, Sharedvram
0xFFFC0000-0xFFFFFFFF262144ROM, Regionbios, 0 (/* System BIOS */)
 

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.   
0x0000-0x3FFFF262144awdbios.binCRC(854ce8c6)
0x0000-0x3FFFF262144awdbios.binCRC(854ce8c6)
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096cga.chrCRC(42009069) (Fluke: 0415)
0x0000-0x0FFF4096cga.chrCRC(42009069) (Fluke: 0415)
Memory Area:prism
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFFFF8388608rfm_u100.romCRC(b3548b1b)
0x800000-0xFFFFFF8388608rfm_u101.romCRC(8bef301d)
0x1000000-0x17FFFFF8388608rfm_u102.romCRC(749f5c59)
0x1000000-0x17FFFFF8388608rfm_u102.romCRC(749f5c59)
0x1800000-0x1FFFFFF8388608rfm_u103.romCRC(a9ec5e97)
0x1800000-0x1FFFFFF8388608rfm_u103.romCRC(a9ec5e97)
0x2000000-0x27FFFFF8388608rfm_u104.romCRC(0a1acd70)
0x2000000-0x27FFFFF8388608rfm_u104.romCRC(0a1acd70)
0x2800000-0x2FFFFFF8388608rfm_u105.romCRC(1ef31684)
0x2800000-0x2FFFFFF8388608rfm_u105.romCRC(1ef31684)
0x3000000-0x37FFFFF8388608rfm_u106.romCRC(daf4e1dc)
0x3000000-0x37FFFFF8388608rfm_u106.romCRC(daf4e1dc)
0x3800000-0x3FFFFFF8388608rfm_u107.romCRC(e737ab39)
0x3800000-0x3FFFFFF8388608rfm_u107.romCRC(e737ab39)
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