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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.
Blasted (Bally Midway, 1988)
Memory Area:mcr68_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144ROM
0x60000-0x63FFF16384RAM
0x70000-0x70FFF4096RAM Write, Sharedmcr68_videoram_w, videoram
0x71000-0x71FFF4096RAM
0x80000-0x80FFF4096RAM, Sharedspriteram
0x90000-0x9007F128Device Write, Sharedpalette, palette_device, write, palette
0xA0000-0xA000F16Read/Writemcr68_6840_upper_r, mcr68_6840_upper_w
0xB0000-0xBFFFF65536Device Writewatchdog, watchdog_timer_device, reset16_w
0xD0000-0xDFFFF65536Read PortIN0
0x0001Coin 1Active Low
0x0002Coin 2Active Low
0x0004Unused /*Credit W/bill */Active Low
0x0008UnusedActive Low
0x0010TiltActive Low
0x0020UnusedActive Low
0x0040Service 1Active Low
0x0100Button 1Active Low
0x0200Button 1Active Low
0x0400Unused /*Credit 1W/bill */Active Low
0x0800Unused /*Credit 2W/bill */Active Low
0xf000UnusedActive Low
0xE0000-0xEFFFF65536Read PortIN1
0x0001Joystick UpActive Low
0x0002Joystick RightActive Low
0x0004Joystick DownActive Low
0x0008Joystick LeftActive Low
0x0010Joystick UpActive Low
0x0020Joystick RightActive Low
0x0040Joystick DownActive Low
0x0080Joystick LeftActive Low
0xff00UnusedActive Low
0xF0000-0xFFFFF65536Read PortDSW
0x0003CoinageActive High
0x00022C_1CActive High
0x00031C_1CActive High
0x00011C_2CActive High
0x00001C/2C (duplicate)Active High
0x000cDifficultyActive High
0x0008EasyActive High
0x0000MediumActive High
0x0004HardActive High
0x000cMedium (duplicate)Active High
0x0020OffActive High
0x0000OnActive High
0x0040Demo_SoundsActive High
0x0000OffActive High
0x0040OnActive High
0x0080OffActive High
0x0000OnActive High
0xff00UnusedActive Low
 

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
0x0000-0x7FFF3276811dCRC(d8ed5cbc) (Fluke: 3846)
0x8000-0xFFFF3276812dCRC(60d00c69) (Fluke: B77E)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFFF131072fg0CRC(5034ae8a) (Fluke: 0561)
0x20000-0x3FFFF131072fg1CRC(4fbdba58) (Fluke: C771)
0x40000-0x5FFFF131072fg2CRC(8891f6f8) (Fluke: C911)
0x60000-0x7FFFF131072fg3CRC(18e4a130) (Fluke: 9495)
Memory Area:plds
Address RangeLengthLabel/LocationDescription
0x00001pal20l8.9bmarked COLARB in manual
0x00011pal16l8.1jmarked IODCD in manual
0x00021pal16l8.2jmarked MEMDCD in manual
0x00031pal16r4.2kmarked DTACK in manual
0x00041pal16r4.14kmarked HSYNC in manual
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