Search

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.
NFL Football (Bally Midway, 1983)
Memory Area:cpu_90009_map
Address RangeLengthFunctionDescription
0x0000-0x6FFF28672ROM
0x7000-0x77FF2048Mirror, RAM, Shared0x0800, , nvram
0xF000-0xF1FF512Mirror, RAM, Shared0x0200, , spriteram
0xF400-0xF41F32Mirror, Device Write, Shared0x03e0, palette, palette_device, write, palette
0xF800-0xF81F32Mirror, Device Write, Shared0x03e0, palette, palette_device, write_ext, palette_ext
0xFC00-0xFFFF1024RAM Write, Sharedmcr_90009_videoram_w, videoram
Memory Area:cpu_90009_portmap
Address RangeLengthFunctionDescription
0x00E01Device Writewatchdog, watchdog_timer_device, reset_w
0x00E81Write NOP
0x00F0-0x00F34Device Read/Writectc, z80ctc_device, read, write
Memory Area:cpu_90010_map
Address RangeLengthFunctionDescription
0x0000-0xBFFF49152ROM
0xC000-0xC7FF2048Mirror, RAM, Shared0x1800, , nvram
0xE000-0xE1FF512Mirror, RAM, Shared0x1600, , spriteram
0xE800-0xEFFF2048Mirror, RAM Write, Shared0x1000, mcr_90010_videoram_w, videoram
Memory Area:cpu_90010_portmap
Address RangeLengthFunctionDescription
0x00E01Device Writewatchdog, watchdog_timer_device, reset_w
0x00E81Write NOP
0x00F0-0x00F34Device Read/Writectc, z80ctc_device, read, write
Memory Area:cpu_91490_map
Address RangeLengthFunctionDescription
0x0000-0xDFFF57344ROM
0xE000-0xE7FF2048RAM, Sharednvram
0xE800-0xE9FF512Mirror, RAM, Shared0x0200, , spriteram
0xF000-0xF7FF2048RAM Write, Sharedmcr_91490_videoram_w, videoram
0xF800-0xF87F128Mirror, Write, Shared0x0780, mcr_paletteram9_w, paletteram
Memory Area:cpu_91490_portmap
Address RangeLengthFunctionDescription
0x00E01Device Writewatchdog, watchdog_timer_device, reset_w
0x00E81Write NOP
0x00F0-0x00F34Device Read/Writectc, z80ctc_device, read, write
Memory Area:ipu_91695_map
Address RangeLengthFunctionDescription
0x0000-0x3FFF16384ROM
0xE000-0xFFFF8192RAM
Memory Area:ipu_91695_portmap
Address RangeLengthFunctionDescription
0x0000-0x00034Mirror, Device Read/Write0xe0, ipu_pio0, z80pio_device, read, write
0x0004-0x00074Mirror, Device Read/Write0xe0, ipu_sio, z80dart_device, cd_ba_r, cd_ba_w
0x0008-0x000B4Mirror, Device Read/Write0xe0, ipu_ctc, z80ctc_device, read, write
0x000C-0x000F4Mirror, Device Read/Write0xe0, ipu_pio1, z80pio_device, read, write
0x0010-0x00134Mirror, Write0xe0, mcr_ipu_laserdisk_w
0x001C-0x001F4Mirror, Read/Write0xe0, mcr_ipu_watchdog_r, mcr_ipu_watchdog_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:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192nflcpubg.6fCRC(6d116cd9) (Fluke: 07AB)
0x2000-0x3FFF8192nflcpubg.5fCRC(5f1b0b67) (Fluke: 4ADD)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192nflvidfg.cp4CRC(eb6b808d) (Fluke: 8ECB)
0x2000-0x3FFF8192nflvidfg.cp3CRC(be21580a) (Fluke: AA18)
0x4000-0x5FFF8192nflvidfg.cp6CRC(54a0bff8) (Fluke: 2F0A)
0x6000-0x7FFF8192nflvidfg.cp5CRC(6aeba0ab) (Fluke: 5DAD)
0x8000-0x9FFF8192nflvidfg.cp8CRC(112ee67b) (Fluke: B04F)
0xA000-0xBFFF8192nflvidfg.cp7CRC(73f62392) (Fluke: 52C7)
0xC000-0xDFFF8192nflvidfg.c10CRC(1766dcc7) (Fluke: DF9C)
0xE000-0xFFFF8192nflvidfg.cp9CRC(46558146) (Fluke: E7B8)
Memory Area:ipu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192ipu-7-9.a2CRC(0e083adb) (Fluke: 5C66)
0x2000-0x3FFF8192ipu-7-9.a4CRC(5c9c4764) (Fluke: 2FF1)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384nflcpupg.1cCRC(d76a7a41) (Fluke: A8AD)
0x4000-0x7FFF16384nflcpupg.2cCRC(2aa76168) (Fluke: 7476)
0x8000-0xBFFF16384nflcpupg.3cCRC(5ec01e09) (Fluke: 0E60)
Memory Area:snt:cpu
Address RangeLengthLabel/LocationDescription
0x8000-0x8FFF4096nfl-sqtk-11-15-83.u2CRC(aeddda31) (Fluke: 0CF0)
0x9000-0x9FFF4096nfl-sqtk-11-15-83.u3CRC(36229d13) (Fluke: D8AB)
0xA000-0xAFFF4096nfl-sqtk-11-15-83.u4CRC(b202439b) (Fluke: B005)
0xB000-0xBFFF4096nfl-sqtk-11-15-83.u5CRC(bbfe4d39) (Fluke: 62F7)
Memory Area:ssio:cpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096nflsnd.a7CRC(1339be2e) (Fluke: 7DB2)
0x1000-0x1FFF4096nflsnd.a8CRC(8630b560) (Fluke: 23A9)
0x2000-0x2FFF4096nflsnd.a9CRC(1e0fe4c8) (Fluke: DDAF)
© Copyright 2009-2025, ClassicSoft, LLC. All rights reserved
Powered by the ClassicSoft Web Content Framework V3