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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.
Metal Clash (Data East, 1985)
Memory Area:metlclsh_master_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x9FFF8192RAM, Sharedshare1
0xA000-0xBFFF8192ROM
0xC0001Read PortIN0
0x00002C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_3CActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0xC0011Read PortIN1
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Start 1Active Low
0x0080Start 2Active Low
0xC0021Read PortIN2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Coin 1Active Low
0x0080Coin 2Active Low
0xC0031Read PortDSW
0x00002Active High
0x00013Active High
0x0002LowActive High
0x0000HighActive High
0x0004LowActive High
0x0000HighActive High
0x000075Active High
0x000890Active High
0x0010OffActive High
0x0000OnActive High
0x0020UnknownActive High
0x0040Service 1Active Low
0x0080CustomActive High
0xC0801Write NOP(// ? 0)
0xC0C21Writemetlclsh_cause_irq (// cause irq on cpu #2)
0xC0C31Writemetlclsh_ack_nmi (// nmi ack)
0xD000-0xD0012Device Read/Writeym1, ym2203_device, read, write
0xE000-0xE0012Device Writeym2, ym3526_device, write
0xE800-0xE9FF512RAM, Sharedspriteram
0xFFF0-0xFFFF16ROM(// Reset/IRQ vectors)
Memory Area:metlclsh_slave_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x9FFF8192RAM, Sharedshare1
0xC0001Read Port, WriteIN0, metlclsh_gfxbank_w (// bg tiles bank)
0x00002C_1CActive High
0x00031C_1CActive High
0x00021C_2CActive High
0x00011C_3CActive High
0x0004OffActive High
0x0000OnActive High
0x0008OffActive High
0x0000OnActive High
0x0010OffActive High
0x0000OnActive High
0x0020OffActive High
0x0000OnActive High
0x0040OffActive High
0x0000OnActive High
0x0080OffActive High
0x0000OnActive High
0xC0011Read PortIN1
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Start 1Active Low
0x0080Start 2Active Low
0xC0021Read PortIN2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick UpActive Low
0x0008Joystick DownActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040Coin 1Active Low
0x0080Coin 2Active Low
0xC0031Read PortDSW
0x00002Active High
0x00013Active High
0x0002LowActive High
0x0000HighActive High
0x0004LowActive High
0x0000HighActive High
0x000075Active High
0x000890Active High
0x0010OffActive High
0x0000OnActive High
0x0020UnknownActive High
0x0040Service 1Active Low
0x0080CustomActive High
0xC0C01Writemetlclsh_cause_nmi2 (// cause nmi on cpu #1)
0xC0C11Writemetlclsh_ack_irq2 (// irq ack)
0xD000-0xD7FF2048ROM Bank, Write, Sharedbank1, metlclsh_bgram_w, bgram (// this is banked)
0xE3011Writemetlclsh_flipscreen_w (// 0/1)
0xE4011Writemetlclsh_rambank_w
0xE402-0xE4032Write Only, Sharedscrollx
0xE4171Writemetlclsh_ack_nmi2 (// nmi ack)
0xFFF0-0xFFFF16ROM(// Reset/IRQ vectors)
 

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
0x0000-0x7FFF32768cs06.binCRC(9f61403f) (Fluke: 589A)
0x8000-0xFFFF32768cs07.binCRC(d0610ea5) (Fluke: 187A)
0x10000-0x17FFF32768cs08.binCRC(a8b02125) (Fluke: 3EF8)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096cs01.binCRC(9c72343d) (Fluke: 7C2D)
0x2000-0x2FFF4096cs02.binCRC(3674673e) (Fluke: E0A7)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384cs05.binCRC(f90c9c6b) (Fluke: 8E98)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768cs04.binCRC(c2cc79a6) (Fluke: FC32)
0xA000-0xBFFF8192cs00.binCRC(af0f2998) (Fluke: 33D2)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F3282s123.prmCRC(6844cc88) (Fluke: D8F0)
Memory Area:sub
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768cs03.binCRC(51c4720c) (Fluke: 08AE)
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