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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.
Action Fighter (Sega, 1986)
Memory Area:n7751_portmap
Address RangeLengthFunctionDescription
0x00001Read/Writen7751_p2_r, n7751_p2_w
0x00001Device Writedac, dac_byte_interface, write
0x00001Readn7751_rom_r
0x00001Readn7751_t1_r
0x00001Device Writen7751_8243, i8243_device, i8243_prog_w
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0xE8001Readsound_data_r
0xF800-0xFFFF2048RAM
Memory Area:sound_no7751_portmap
Address RangeLengthFunctionDescription
0x0000-0x00012Mirror, Device Read/Write0x3e, ymsnd, ym2151_device, read, write
0x00801Mirror, Read/Write NOP0x3f,
0x00C01Mirror, Read0x3f, sound_data_r
Memory Area:sound_portmap
Address RangeLengthFunctionDescription
0x0000-0x00012Mirror, Device Read/Write0x3e, ymsnd, ym2151_device, read, write
0x00801Mirror, Write0x3f, n7751_command_w
0x00C01Mirror, Read0x3f, sound_data_r
Memory Area:system16a_map
Address RangeLengthFunctionDescription
0x0000-0x3FFFF262144Mirror, ROM0x380000,
0x400000-0x407FFF32768Mirror, Device Read/Write, Shared0xb88000, segaic16vid, segaic16_video_device, tileram_r, tileram_w, tileram
0x410000-0x410FFF4096Mirror, Device Read/Write, Shared0xb8f000, segaic16vid, segaic16_video_device, textram_r, textram_w, textram
0x440000-0x4407FF2048Mirror, RAM, Shared0x3bf800, , sprites
0x840000-0x840FFF4096Mirror, RAM Write, Shared0x3bf000, paletteram_w, paletteram
0xC40000-0xC43FFF16384Mirror, Read/Write0x39c000, misc_io_r, misc_io_w
0xC60000-0xC6FFFF65536Device Readwatchdog, watchdog_timer_device, reset16_r
0xC70000-0xC73FFF16384Mirror, RAM, Shared0x38c000, , nvram
 

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
0x0000-0xFFFF65536epr-10281.95CRC(30e92cda) (Fluke: C62F)
0x10000-0x1FFFF65536epr-10282.94CRC(b67b8910) (Fluke: 4045)
0x20000-0x2FFFF65536epr-10283.93CRC(e7dbfd2d) (Fluke: 07E4)
Memory Area:maincpu:key
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192317-0018.keyCRC(fee04be8) (Fluke: 2B02)
Memory Area:soundcpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768epr-10284.12CRC(8ff09116) (Fluke: 6B33)
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