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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.
Pit Fighter (Atari Games, 1990)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x37FFF229376ROM
0x38000-0x3FFFF32768ROM(/* pitfight slapstic goes here */)
0x40000-0x77FFF229376ROM
0x78000-0x7FFFF32768ROM(/* hydra slapstic goes here */)
0xF80000-0xF800012Device Writewatchdog, watchdog_timer_device, reset16_w
0xF88000-0xF8FFFF32768Device Writeeeprom, atari_eeprom_device, unlock_write
0xF90000-0xF900012Device Write 8-bitjsa, atari_jsa_ii_device, main_command_w, 0xff00
0xF98000-0xF980012Device Writejsa, atari_jsa_ii_device, sound_reset_w
0xFA0000-0xFA00012Device Write 8-bitrle, atari_rle_objects_device, control_write, 0x00ff
0xFB0000-0xFB00012Writevideo_int_ack_w
0xFC0000-0xFC00012Readspecial_port0_r
0xFC8000-0xFC80078Read/Writea2d_data_r, a2d_select_w
0xFD0000-0xFD00012Device Read 8-bitjsa, atari_jsa_ii_device, main_response_r, 0xff00
0xFD8000-0xFDFFFF32768Device Read/Write 8-biteeprom, atari_eeprom_device, read, write, 0x00ff
0xFE8000-0xFE89FF2560RAM Device Write, Sharedpalette, palette_device, write, palette
0xFF0000-0xFF0FFF4096RAM, Sharedrle
0xFF0000-0xFFFFFF65536RAM
0xFF2000-0xFF20012Write, Sharedmo_command_w, mo_command
0xFF4000-0xFF5FFF8192Device Write, Sharedplayfield, tilemap_device, write, playfield
0xFF6000-0xFF6FFF4096Device Write, Sharedalpha, tilemap_device, write, alpha
 

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
0x10000-0x1FFFF65536136081-1018.120mCRC(1a0f8bcf) (Fluke: 196F)
0x10000-0x1FFFF65536136081-1018.120mCRC(1a0f8bcf) (Fluke: 196F)
0x10000-0x1FFFF65536136081-1018.120mCRC(1a0f8bcf) (Fluke: 196F)
0x10000-0x1FFFF65536136081-1018.120mCRC(1a0f8bcf) (Fluke: 196F)
0x10000-0x1FFFF65536136081-1018.120mCRC(1a0f8bcf) (Fluke: 196F)
0x10000-0x1FFFF65536136081-1018.120mCRC(1a0f8bcf) (Fluke: 196F)
0x10000-0x1FFFF65536136081-1018.120mCRC(1a0f8bcf) (Fluke: 196F)
0x10000-0x1FFFF65536136081-1018.120mCRC(1a0f8bcf) (Fluke: 196F)
0x50000-0x5FFFF65536136081-1022.75mCRC(524319d0) (Fluke: 09BA)
0x50000-0x5FFFF65536136081-1022.75mCRC(524319d0) (Fluke: 09BA)
0x50000-0x5FFFF65536136081-1022.75mCRC(524319d0) (Fluke: 09BA)
0x50000-0x5FFFF65536136081-1022.75mCRC(524319d0) (Fluke: 09BA)
0x50000-0x5FFFF65536136081-1022.75mCRC(524319d0) (Fluke: 09BA)
0x50000-0x5FFFF65536136081-1022.75mCRC(524319d0) (Fluke: 09BA)
0x50000-0x5FFFF65536136081-1022.75mCRC(524319d0) (Fluke: 09BA)
0x50000-0x5FFFF65536136081-1022.75mCRC(524319d0) (Fluke: 09BA)
0x80000-0x8FFFF65536136081-1025.45mCRC(fc41691a),playfield plane 4 (Fluke: 363A)
0x80000-0x8FFFF65536136081-1025.45mCRC(fc41691a),playfield plane 4 (Fluke: 363A)
0x80000-0x8FFFF65536136081-1025.45mCRC(fc41691a),playfield plane 4 (Fluke: 363A)
0x80000-0x8FFFF65536136081-1025.45mCRC(fc41691a),playfield plane 4 (Fluke: 363A)
0x80000-0x8FFFF65536136081-1025.45mCRC(fc41691a),playfield plane 4 (Fluke: 363A)
0x80000-0x8FFFF65536136081-1025.45mCRC(fc41691a),playfield plane 4 (Fluke: 363A)
0x80000-0x8FFFF65536136081-1025.45mCRC(fc41691a),playfield plane 4 (Fluke: 363A)
0x80000-0x8FFFF65536136081-1025.45mCRC(fc41691a),playfield plane 4 (Fluke: 363A)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536136081-1027.15lCRC(a59f381d),alphanumerics (Fluke: E8EC)
0x0000-0xFFFF65536136081-1027.15lCRC(a59f381d),alphanumerics (Fluke: E8EC)
0x0000-0xFFFF65536136081-1027.15lCRC(a59f381d),alphanumerics (Fluke: E8EC)
0x0000-0xFFFF65536136081-1027.15lCRC(a59f381d),alphanumerics (Fluke: E8EC)
0x0000-0xFFFF65536136081-1027.15lCRC(a59f381d),alphanumerics (Fluke: E8EC)
0x0000-0xFFFF65536136081-1027.15lCRC(a59f381d),alphanumerics (Fluke: E8EC)
0x0000-0xFFFF65536136081-1027.15lCRC(a59f381d),alphanumerics (Fluke: E8EC)
Memory Area:jsa:cpu
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536136081-1060.1bCRC(231d71d7) (Fluke: D3BF)
0x0000-0xFFFF65536136081-1060.1bCRC(231d71d7) (Fluke: D3BF)
0x0000-0xFFFF65536136081-1060.1bCRC(231d71d7) (Fluke: D3BF)
0x0000-0xFFFF65536136081-1060.1bCRC(231d71d7) (Fluke: D3BF)
0x0000-0xFFFF65536136081-1060.1bCRC(231d71d7) (Fluke: D3BF)
0x0000-0xFFFF65536136081-1060.1bCRC(231d71d7) (Fluke: D3BF)
0x0000-0xFFFF65536136081-1060.1bCRC(231d71d7) (Fluke: D3BF)
Memory Area:jsa:oki1
Address RangeLengthLabel/LocationDescription
0x0000-0xFFFF65536136081-1061.7kCRC(5b0468c6) (Fluke: 8820)
0x0000-0xFFFF65536136081-1061.7kCRC(5b0468c6) (Fluke: 8820)
0x0000-0xFFFF65536136081-1061.7kCRC(5b0468c6) (Fluke: 8820)
0x0000-0xFFFF65536136081-1061.7kCRC(5b0468c6) (Fluke: 8820)
0x0000-0xFFFF65536136081-1061.7kCRC(5b0468c6) (Fluke: 8820)
0x0000-0xFFFF65536136081-1061.7kCRC(5b0468c6) (Fluke: 8820)
0x0000-0xFFFF65536136081-1061.7kCRC(5b0468c6) (Fluke: 8820)
0x0000-0xFFFF65536136081-1061.7kCRC(5b0468c6) (Fluke: 8820)
0x10000-0x1FFFF65536136081-1062.7jCRC(f73fe3cb) (Fluke: 8771)
0x10000-0x1FFFF65536136081-1062.7jCRC(f73fe3cb) (Fluke: 8771)
0x10000-0x1FFFF65536136081-1062.7jCRC(f73fe3cb) (Fluke: 8771)
0x10000-0x1FFFF65536136081-1062.7jCRC(f73fe3cb) (Fluke: 8771)
0x10000-0x1FFFF65536136081-1062.7jCRC(f73fe3cb) (Fluke: 8771)
0x10000-0x1FFFF65536136081-1062.7jCRC(f73fe3cb) (Fluke: 8771)
0x10000-0x1FFFF65536136081-1062.7jCRC(f73fe3cb) (Fluke: 8771)
0x10000-0x1FFFF65536136081-1062.7jCRC(f73fe3cb) (Fluke: 8771)
0x20000-0x2FFFF65536136081-1063.7eCRC(aa93421d) (Fluke: 1F47)
0x20000-0x2FFFF65536136081-1063.7eCRC(aa93421d) (Fluke: 1F47)
0x20000-0x2FFFF65536136081-1063.7eCRC(aa93421d) (Fluke: 1F47)
0x20000-0x2FFFF65536136081-1063.7eCRC(aa93421d) (Fluke: 1F47)
0x20000-0x2FFFF65536136081-1063.7eCRC(aa93421d) (Fluke: 1F47)
0x20000-0x2FFFF65536136081-1063.7eCRC(aa93421d) (Fluke: 1F47)
0x20000-0x2FFFF65536136081-1063.7eCRC(aa93421d) (Fluke: 1F47)
0x20000-0x2FFFF65536136081-1063.7eCRC(aa93421d) (Fluke: 1F47)
0x30000-0x3FFFF65536136081-1064.7dCRC(33f045d5) (Fluke: BD26)
0x30000-0x3FFFF65536136081-1064.7dCRC(33f045d5) (Fluke: BD26)
0x30000-0x3FFFF65536136081-1064.7dCRC(33f045d5) (Fluke: BD26)
0x30000-0x3FFFF65536136081-1064.7dCRC(33f045d5) (Fluke: BD26)
0x30000-0x3FFFF65536136081-1064.7dCRC(33f045d5) (Fluke: BD26)
0x30000-0x3FFFF65536136081-1064.7dCRC(33f045d5) (Fluke: BD26)
0x30000-0x3FFFF65536136081-1064.7dCRC(33f045d5) (Fluke: BD26)
0x30000-0x3FFFF65536136081-1064.7dCRC(33f045d5) (Fluke: BD26)
Memory Area:plds
Address RangeLengthLabel/LocationDescription
0x0000-0x0116279gal16v8a-136081-1043.15eCRC(649d9c0d) (Fluke: BA93)
0x0000-0x0116279gal16v8a-136081-1043.15eCRC(649d9c0d) (Fluke: BA93)
0x0000-0x0116279gal16v8a-136081-1043.15eCRC(649d9c0d) (Fluke: BA93)
0x0000-0x0116279gal16v8a-136081-1043.15eCRC(649d9c0d) (Fluke: BA93)
0x0000-0x0116279gal16v8a-136081-1043.15eCRC(649d9c0d) (Fluke: BA93)
0x0000-0x0116279gal16v8a-136081-1043.15eCRC(649d9c0d) (Fluke: BA93)
0x0000-0x0116279gal16v8a-136081-1043.15eCRC(649d9c0d) (Fluke: BA93)
0x0000-0x0116279gal16v8a-136081-1043.15eCRC(649d9c0d) (Fluke: BA93)
0x0200-0x0316279gal16v8a-136079-1045.40pCRC(535c4d2e) (Fluke: 861C)
0x0200-0x0316279gal16v8a-136079-1045.40pCRC(535c4d2e) (Fluke: 861C)
0x0200-0x0316279gal16v8a-136079-1045.40pCRC(535c4d2e) (Fluke: 861C)
0x0200-0x0316279gal16v8a-136079-1045.40pCRC(535c4d2e) (Fluke: 861C)
0x0200-0x0316279gal16v8a-136079-1045.40pCRC(535c4d2e) (Fluke: 861C)
0x0200-0x0316279gal16v8a-136079-1045.40pCRC(535c4d2e) (Fluke: 861C)
0x0200-0x0316279gal16v8a-136079-1045.40pCRC(535c4d2e) (Fluke: 861C)
0x0200-0x0316279gal16v8a-136079-1045.40pCRC(535c4d2e) (Fluke: 861C)
0x0400-0x0516279gal16v8a-136079-1046.65dCRC(38b22b2c) (Fluke: 121A)
0x0400-0x0516279gal16v8a-136079-1046.65dCRC(38b22b2c) (Fluke: 121A)
0x0400-0x0516279gal16v8a-136079-1046.65dCRC(38b22b2c) (Fluke: 121A)
0x0400-0x0516279gal16v8a-136079-1046.65dCRC(38b22b2c) (Fluke: 121A)
0x0400-0x0516279gal16v8a-136079-1046.65dCRC(38b22b2c) (Fluke: 121A)
0x0400-0x0516279gal16v8a-136079-1046.65dCRC(38b22b2c) (Fluke: 121A)
0x0400-0x0516279gal16v8a-136079-1046.65dCRC(38b22b2c) (Fluke: 121A)
0x0400-0x0516279gal16v8a-136079-1046.65dCRC(38b22b2c) (Fluke: 121A)
0x0600-0x0716279gal16v8a-136079-1047.40sCRC(20839904) (Fluke: 1163)
0x0600-0x0716279gal16v8a-136079-1047.40sCRC(20839904) (Fluke: 1163)
0x0600-0x0716279gal16v8a-136079-1047.40sCRC(20839904) (Fluke: 1163)
0x0600-0x0716279gal16v8a-136079-1047.40sCRC(20839904) (Fluke: 1163)
0x0600-0x0716279gal16v8a-136079-1047.40sCRC(20839904) (Fluke: 1163)
0x0600-0x0716279gal16v8a-136079-1047.40sCRC(20839904) (Fluke: 1163)
0x0600-0x0716279gal16v8a-136079-1047.40sCRC(20839904) (Fluke: 1163)
0x0600-0x0716279gal16v8a-136079-1047.40sCRC(20839904) (Fluke: 1163)
0x0800-0x0916279gal16v8a-136079-1048.125fCRC(d16e8d6e) (Fluke: 2381)
0x0800-0x0916279gal16v8a-136079-1048.125fCRC(d16e8d6e) (Fluke: 2381)
0x0800-0x0916279gal16v8a-136079-1048.125fCRC(d16e8d6e) (Fluke: 2381)
0x0800-0x0916279gal16v8a-136079-1048.125fCRC(d16e8d6e) (Fluke: 2381)
0x0800-0x0916279gal16v8a-136079-1048.125fCRC(d16e8d6e) (Fluke: 2381)
0x0800-0x0916279gal16v8a-136079-1048.125fCRC(d16e8d6e) (Fluke: 2381)
0x0800-0x0916279gal16v8a-136079-1048.125fCRC(d16e8d6e) (Fluke: 2381)
0x0800-0x0916279gal16v8a-136079-1048.125fCRC(d16e8d6e) (Fluke: 2381)
0x0A00-0x0B16279gal16v8a-136079-1049.120fCRC(68440ab1) (Fluke: 71B0)
0x0A00-0x0B16279gal16v8a-136079-1049.120fCRC(68440ab1) (Fluke: 71B0)
0x0A00-0x0B16279gal16v8a-136079-1049.120fCRC(68440ab1) (Fluke: 71B0)
0x0A00-0x0B16279gal16v8a-136079-1049.120fCRC(68440ab1) (Fluke: 71B0)
0x0A00-0x0B16279gal16v8a-136079-1049.120fCRC(68440ab1) (Fluke: 71B0)
0x0A00-0x0B16279gal16v8a-136079-1049.120fCRC(68440ab1) (Fluke: 71B0)
0x0A00-0x0B16279gal16v8a-136079-1049.120fCRC(68440ab1) (Fluke: 71B0)
0x0A00-0x0B16279gal16v8a-136079-1049.120fCRC(68440ab1) (Fluke: 71B0)
0x0C00-0x0D16279gal16v8a-136079-1050.115fCRC(20dc296a) (Fluke: E482)
0x0C00-0x0D16279gal16v8a-136079-1050.115fCRC(20dc296a) (Fluke: E482)
0x0C00-0x0D16279gal16v8a-136079-1050.115fCRC(20dc296a) (Fluke: E482)
0x0C00-0x0D16279gal16v8a-136079-1050.115fCRC(20dc296a) (Fluke: E482)
0x0C00-0x0D16279gal16v8a-136079-1050.115fCRC(20dc296a) (Fluke: E482)
0x0C00-0x0D16279gal16v8a-136079-1050.115fCRC(20dc296a) (Fluke: E482)
0x0C00-0x0D16279gal16v8a-136079-1050.115fCRC(20dc296a) (Fluke: E482)
0x0C00-0x0D16279gal16v8a-136079-1050.115fCRC(20dc296a) (Fluke: E482)
0x0E00-0x0F16279gal16v8a-136079-1051.105fCRC(45f0cb5f) (Fluke: 76DB)
0x0E00-0x0F16279gal16v8a-136079-1051.105fCRC(45f0cb5f) (Fluke: 76DB)
0x0E00-0x0F16279gal16v8a-136079-1051.105fCRC(45f0cb5f) (Fluke: 76DB)
0x0E00-0x0F16279gal16v8a-136079-1051.105fCRC(45f0cb5f) (Fluke: 76DB)
0x0E00-0x0F16279gal16v8a-136079-1051.105fCRC(45f0cb5f) (Fluke: 76DB)
0x0E00-0x0F16279gal16v8a-136079-1051.105fCRC(45f0cb5f) (Fluke: 76DB)
0x0E00-0x0F16279gal16v8a-136079-1051.105fCRC(45f0cb5f) (Fluke: 76DB)
0x0E00-0x0F16279gal16v8a-136079-1051.105fCRC(45f0cb5f) (Fluke: 76DB)
0x1000-0x1116279gal16v8a-136079-1052.30nCRC(6b3d2669) (Fluke: 701E)
0x1000-0x1116279gal16v8a-136079-1052.30nCRC(6b3d2669) (Fluke: 701E)
0x1000-0x1116279gal16v8a-136079-1052.30nCRC(6b3d2669) (Fluke: 701E)
0x1000-0x1116279gal16v8a-136079-1052.30nCRC(6b3d2669) (Fluke: 701E)
0x1000-0x1116279gal16v8a-136079-1052.30nCRC(6b3d2669) (Fluke: 701E)
0x1000-0x1116279gal16v8a-136079-1052.30nCRC(6b3d2669) (Fluke: 701E)
0x1000-0x1116279gal16v8a-136079-1052.30nCRC(6b3d2669) (Fluke: 701E)
0x1000-0x1116279gal16v8a-136079-1052.30nCRC(6b3d2669) (Fluke: 701E)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF512136081-1040.30sCRC(9b0f8b95) (Fluke: C104)
0x0000-0x01FF512136081-1040.30sCRC(9b0f8b95) (Fluke: C104)
0x0000-0x01FF512136081-1040.30sCRC(9b0f8b95) (Fluke: C104)
0x0000-0x01FF512136081-1040.30sCRC(9b0f8b95) (Fluke: C104)
0x0000-0x01FF512136081-1040.30sCRC(9b0f8b95) (Fluke: C104)
0x0000-0x01FF512136081-1040.30sCRC(9b0f8b95) (Fluke: C104)
0x0000-0x01FF512136081-1040.30sCRC(9b0f8b95) (Fluke: C104)
0x0000-0x01FF512136081-1040.30sCRC(9b0f8b95) (Fluke: C104)
0x0200-0x03FF512136081-1041.25sCRC(f7ba6153) (Fluke: CEEF)
0x0200-0x03FF512136081-1041.25sCRC(f7ba6153) (Fluke: CEEF)
0x0200-0x03FF512136081-1041.25sCRC(f7ba6153) (Fluke: CEEF)
0x0200-0x03FF512136081-1041.25sCRC(f7ba6153) (Fluke: CEEF)
0x0200-0x03FF512136081-1041.25sCRC(f7ba6153) (Fluke: CEEF)
0x0200-0x03FF512136081-1041.25sCRC(f7ba6153) (Fluke: CEEF)
0x0200-0x03FF512136081-1041.25sCRC(f7ba6153) (Fluke: CEEF)
0x0200-0x03FF512136081-1041.25sCRC(f7ba6153) (Fluke: CEEF)
0x0400-0x05FF512136081-1042.20sCRC(3572fe68) (Fluke: B97F)
0x0400-0x05FF512136081-1042.20sCRC(3572fe68) (Fluke: B97F)
0x0400-0x05FF512136081-1042.20sCRC(3572fe68) (Fluke: B97F)
0x0400-0x05FF512136081-1042.20sCRC(3572fe68) (Fluke: B97F)
0x0400-0x05FF512136081-1042.20sCRC(3572fe68) (Fluke: B97F)
0x0400-0x05FF512136081-1042.20sCRC(3572fe68) (Fluke: B97F)
0x0400-0x05FF512136081-1042.20sCRC(3572fe68) (Fluke: B97F)
0x0400-0x05FF512136081-1042.20sCRC(3572fe68) (Fluke: B97F)
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