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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.
720 Degrees (Atari Games, 1986)
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096RAM
0x1000-0x11FF512Mirror, RAM Device Write, Shared0x0200, palette, palette_device, write, palette
0x1400-0x14034Mirror, Read/Write0x007c, adc_r, bankselect_w
0x1480-0x14878Mirror, Write0x0078, adc_strobe_w
0x1580-0x15812Mirror, Write0x001e, int0_ack_w
0x15A0-0x15A12Mirror, Write0x001e, int1_ack_w
0x15C0-0x15C12Mirror, Write0x001e, scanline_int_ack_w
0x15E0-0x15E12Mirror, Write0x001e, video_int_ack_w
0x1600-0x16012Mirror, Write0x007e, int_enable_w
0x1680-0x16812Mirror, Device Write 8-bit0x007e, soundcomm, atari_sound_comm_device, main_command_w, 0x00ff
0x1700-0x17012Mirror, Write, Shared0x007e, xscroll_w, xscroll
0x1780-0x17812Mirror, Write, Shared0x007e, yscroll_w, yscroll
0x1800-0x18012Mirror, Read, Device Write0x03fe, switch_r, watchdog, watchdog_timer_device, reset16_w
0x1C00-0x1C012Mirror, Read0x03fe, sound_r
0x2000-0x3FFF8192Read/Writevideoram_r, videoram_w
0x4000-0x5FFF8192ROM Bankrombank1
0x6000-0x7FFF8192ROM Bankrombank2
0x8000-0x81FF512Read/Write, Sharedslapstic_r, slapstic_w, slapstic_base
0x8000-0xFFFF32768ROM
Memory Area:sound_map
Address RangeLengthFunctionDescription
0x0000-0x0FFF4096Mirror, RAM0x2000,
0x1000-0x17FF2048Mirror, Device Read/Write0x2000, eeprom, eeprom_parallel_28xx_device, read, write
0x1800-0x180F16Mirror, Device Read/Write0x2780, pokey1, pokey_device, read, write
0x1810-0x18134Mirror, Read0x278c, leta_r
0x1830-0x183F16Mirror, Device Read/Write0x2780, pokey2, pokey_device, read, write
0x18401Mirror, Read0x278f, switch_6502_r
0x1850-0x18512Mirror, Device Read/Write0x278e, ymsnd, ym2151_device, read, write
0x18601Mirror, Read0x278f, sound_6502_r
0x18701Mirror, Write0x2781, tms5220_w
0x1872-0x18732Mirror, Write0x2780, tms5220_strobe_w
0x18741Mirror, Write0x2781, sound_6502_w
0x18761Mirror, Write0x2781, coincount_w
0x18781Mirror, Device Write0x2781, soundcomm, atari_sound_comm_device, sound_irq_ack_w
0x187A1Mirror, Write0x2781, mixer_w
0x187C1Mirror, Write0x2781, switch_6502_w
0x187E1Mirror, Write0x2781, sound_reset_w
0x4000-0xFFFF49152ROM
 

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:audiocpu
Address RangeLengthLabel/LocationDescription
0x4000-0x7FFF16384136047-2134.2aCRC(0db4ca28) (Fluke: A7DF)
0x4000-0x7FFF16384136047-2134.2aCRC(0db4ca28) (Fluke: A7DF)
0x8000-0xBFFF16384136047-1135.2bCRC(b1f157d0) (Fluke: 6FDA)
0x8000-0xBFFF16384136047-1135.2bCRC(b1f157d0) (Fluke: 6FDA)
0x8000-0xBFFF16384136047-1135.2bCRC(b1f157d0) (Fluke: 6FDA)
0x8000-0xBFFF16384136047-1135.2bCRC(b1f157d0) (Fluke: 6FDA)
0x8000-0xBFFF16384136047-1135.2bCRC(b1f157d0) (Fluke: 6FDA)
0x8000-0xBFFF16384136047-1135.2bCRC(b1f157d0) (Fluke: 6FDA)
0xC000-0xFFFF16384136047-2136.2cdCRC(00b06bec) (Fluke: F3B7)
0xC000-0xFFFF16384136047-2136.2cdCRC(00b06bec) (Fluke: F3B7)
Memory Area:eeprom
Address RangeLengthLabel/LocationDescription
0x0000-0x01FF512720-eeprom.binCRC(cfe1c24e)
0x0000-0x01FF512720-eeprom.binCRC(cfe1c24e)
0x0000-0x01FF512720-eeprom.binCRC(cfe1c24e)
0x0000-0x01FF512720-eeprom.binCRC(cfe1c24e)
0x0000-0x01FF512720-eeprom.binCRC(cfe1c24e)
0x0000-0x01FF512720-eeprom.binCRC(cfe1c24e)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768136047-1121.6aCRC(7adb5f9a) (Fluke: D53F)
0x0000-0x7FFF32768136047-1121.6aCRC(7adb5f9a) (Fluke: D53F)
0x0000-0x7FFF32768136047-1121.6aCRC(7adb5f9a) (Fluke: D53F)
0x0000-0x7FFF32768136047-1121.6aCRC(7adb5f9a) (Fluke: D53F)
0x0000-0x7FFF32768136047-1121.6aCRC(7adb5f9a) (Fluke: D53F)
0x0000-0x7FFF32768136047-1121.6aCRC(7adb5f9a) (Fluke: D53F)
0x8000-0xFFFF32768136047-1122.6bCRC(41b60141) (Fluke: FE4A)
0x8000-0xFFFF32768136047-1122.6bCRC(41b60141) (Fluke: FE4A)
0x8000-0xFFFF32768136047-1122.6bCRC(41b60141) (Fluke: FE4A)
0x8000-0xFFFF32768136047-1122.6bCRC(41b60141) (Fluke: FE4A)
0x8000-0xFFFF32768136047-1122.6bCRC(41b60141) (Fluke: FE4A)
0x8000-0xFFFF32768136047-1122.6bCRC(41b60141) (Fluke: FE4A)
0x10000-0x17FFF32768136047-1123.7aCRC(501881d5) (Fluke: D308)
0x10000-0x17FFF32768136047-1123.7aCRC(501881d5) (Fluke: D308)
0x10000-0x17FFF32768136047-1123.7aCRC(501881d5) (Fluke: D308)
0x10000-0x17FFF32768136047-1123.7aCRC(501881d5) (Fluke: D308)
0x10000-0x17FFF32768136047-1123.7aCRC(501881d5) (Fluke: D308)
0x10000-0x17FFF32768136047-1123.7aCRC(501881d5) (Fluke: D308)
0x18000-0x1FFFF32768136047-1124.7bCRC(096f2574) (Fluke: 4EB0)
0x18000-0x1FFFF32768136047-1124.7bCRC(096f2574) (Fluke: 4EB0)
0x18000-0x1FFFF32768136047-1124.7bCRC(096f2574) (Fluke: 4EB0)
0x18000-0x1FFFF32768136047-1124.7bCRC(096f2574) (Fluke: 4EB0)
0x18000-0x1FFFF32768136047-1124.7bCRC(096f2574) (Fluke: 4EB0)
0x18000-0x1FFFF32768136047-1124.7bCRC(096f2574) (Fluke: 4EB0)
0x20000-0x27FFF32768136047-1117.6cCRC(5a55f149) (Fluke: 43DF)
0x20000-0x27FFF32768136047-1117.6cCRC(5a55f149) (Fluke: 43DF)
0x20000-0x27FFF32768136047-1117.6cCRC(5a55f149) (Fluke: 43DF)
0x20000-0x27FFF32768136047-1117.6cCRC(5a55f149) (Fluke: 43DF)
0x20000-0x27FFF32768136047-1117.6cCRC(5a55f149) (Fluke: 43DF)
0x20000-0x27FFF32768136047-1117.6cCRC(5a55f149) (Fluke: 43DF)
0x28000-0x2FFFF32768136047-1118.6dCRC(9bb2429e) (Fluke: 42DD)
0x28000-0x2FFFF32768136047-1118.6dCRC(9bb2429e) (Fluke: 42DD)
0x28000-0x2FFFF32768136047-1118.6dCRC(9bb2429e) (Fluke: 42DD)
0x28000-0x2FFFF32768136047-1118.6dCRC(9bb2429e) (Fluke: 42DD)
0x28000-0x2FFFF32768136047-1118.6dCRC(9bb2429e) (Fluke: 42DD)
0x28000-0x2FFFF32768136047-1118.6dCRC(9bb2429e) (Fluke: 42DD)
0x30000-0x37FFF32768136047-1119.7dCRC(8f7b20e5) (Fluke: 8240)
0x30000-0x37FFF32768136047-1119.7dCRC(8f7b20e5) (Fluke: 8240)
0x30000-0x37FFF32768136047-1119.7dCRC(8f7b20e5) (Fluke: 8240)
0x30000-0x37FFF32768136047-1119.7dCRC(8f7b20e5) (Fluke: 8240)
0x30000-0x37FFF32768136047-1119.7dCRC(8f7b20e5) (Fluke: 8240)
0x30000-0x37FFF32768136047-1119.7dCRC(8f7b20e5) (Fluke: 8240)
0x38000-0x3FFFF32768136047-1120.7cCRC(46af6d35) (Fluke: CC79)
0x38000-0x3FFFF32768136047-1120.7cCRC(46af6d35) (Fluke: CC79)
0x38000-0x3FFFF32768136047-1120.7cCRC(46af6d35) (Fluke: CC79)
0x38000-0x3FFFF32768136047-1120.7cCRC(46af6d35) (Fluke: CC79)
0x38000-0x3FFFF32768136047-1120.7cCRC(46af6d35) (Fluke: CC79)
0x38000-0x3FFFF32768136047-1120.7cCRC(46af6d35) (Fluke: CC79)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x20000-0x27FFF32768136047-1109.6tCRC(0a46b693) (Fluke: 8B23)
0x20000-0x27FFF32768136047-1109.6tCRC(0a46b693) (Fluke: 8B23)
0x20000-0x27FFF32768136047-1109.6tCRC(0a46b693) (Fluke: 8B23)
0x20000-0x27FFF32768136047-1109.6tCRC(0a46b693) (Fluke: 8B23)
0x20000-0x27FFF32768136047-1109.6tCRC(0a46b693) (Fluke: 8B23)
0x20000-0x27FFF32768136047-1109.6tCRC(0a46b693) (Fluke: 8B23)
0x28000-0x2FFFF32768136047-1110.6srCRC(457d7e38) (Fluke: C8DD)
0x28000-0x2FFFF32768136047-1110.6srCRC(457d7e38) (Fluke: C8DD)
0x28000-0x2FFFF32768136047-1110.6srCRC(457d7e38) (Fluke: C8DD)
0x28000-0x2FFFF32768136047-1110.6srCRC(457d7e38) (Fluke: C8DD)
0x28000-0x2FFFF32768136047-1110.6srCRC(457d7e38) (Fluke: C8DD)
0x28000-0x2FFFF32768136047-1110.6srCRC(457d7e38) (Fluke: C8DD)
0x30000-0x37FFF32768136047-1111.6pCRC(ffad0a5b) (Fluke: 0881)
0x30000-0x37FFF32768136047-1111.6pCRC(ffad0a5b) (Fluke: 0881)
0x30000-0x37FFF32768136047-1111.6pCRC(ffad0a5b) (Fluke: 0881)
0x30000-0x37FFF32768136047-1111.6pCRC(ffad0a5b) (Fluke: 0881)
0x30000-0x37FFF32768136047-1111.6pCRC(ffad0a5b) (Fluke: 0881)
0x30000-0x37FFF32768136047-1111.6pCRC(ffad0a5b) (Fluke: 0881)
0x38000-0x3FFFF32768136047-1112.6nCRC(06664580) (Fluke: 39F4)
0x38000-0x3FFFF32768136047-1112.6nCRC(06664580) (Fluke: 39F4)
0x38000-0x3FFFF32768136047-1112.6nCRC(06664580) (Fluke: 39F4)
0x38000-0x3FFFF32768136047-1112.6nCRC(06664580) (Fluke: 39F4)
0x38000-0x3FFFF32768136047-1112.6nCRC(06664580) (Fluke: 39F4)
0x38000-0x3FFFF32768136047-1112.6nCRC(06664580) (Fluke: 39F4)
0x60000-0x67FFF32768136047-1113.6mCRC(7445dc0f) (Fluke: 1314)
0x60000-0x67FFF32768136047-1113.6mCRC(7445dc0f) (Fluke: 1314)
0x60000-0x67FFF32768136047-1113.6mCRC(7445dc0f) (Fluke: 1314)
0x60000-0x67FFF32768136047-1113.6mCRC(7445dc0f) (Fluke: 1314)
0x60000-0x67FFF32768136047-1113.6mCRC(7445dc0f) (Fluke: 1314)
0x60000-0x67FFF32768136047-1113.6mCRC(7445dc0f) (Fluke: 1314)
0x68000-0x6FFFF32768136047-1114.6lCRC(23eaceb0) (Fluke: 5731)
0x68000-0x6FFFF32768136047-1114.6lCRC(23eaceb0) (Fluke: 5731)
0x68000-0x6FFFF32768136047-1114.6lCRC(23eaceb0) (Fluke: 5731)
0x68000-0x6FFFF32768136047-1114.6lCRC(23eaceb0) (Fluke: 5731)
0x68000-0x6FFFF32768136047-1114.6lCRC(23eaceb0) (Fluke: 5731)
0x68000-0x6FFFF32768136047-1114.6lCRC(23eaceb0) (Fluke: 5731)
0x70000-0x77FFF32768136047-1115.6kjCRC(0cc8de53) (Fluke: DC3E)
0x70000-0x77FFF32768136047-1115.6kjCRC(0cc8de53) (Fluke: DC3E)
0x70000-0x77FFF32768136047-1115.6kjCRC(0cc8de53) (Fluke: DC3E)
0x70000-0x77FFF32768136047-1115.6kjCRC(0cc8de53) (Fluke: DC3E)
0x70000-0x77FFF32768136047-1115.6kjCRC(0cc8de53) (Fluke: DC3E)
0x70000-0x77FFF32768136047-1115.6kjCRC(0cc8de53) (Fluke: DC3E)
0x78000-0x7FFFF32768136047-1116.6jhCRC(2d8f1369) (Fluke: 4646)
0x78000-0x7FFFF32768136047-1116.6jhCRC(2d8f1369) (Fluke: 4646)
0x78000-0x7FFFF32768136047-1116.6jhCRC(2d8f1369) (Fluke: 4646)
0x78000-0x7FFFF32768136047-1116.6jhCRC(2d8f1369) (Fluke: 4646)
0x78000-0x7FFFF32768136047-1116.6jhCRC(2d8f1369) (Fluke: 4646)
0x78000-0x7FFFF32768136047-1116.6jhCRC(2d8f1369) (Fluke: 4646)
0xA0000-0xA7FFF32768136047-1101.5tCRC(2ac77b80) (Fluke: 0699)
0xA0000-0xA7FFF32768136047-1101.5tCRC(2ac77b80) (Fluke: 0699)
0xA0000-0xA7FFF32768136047-1101.5tCRC(2ac77b80) (Fluke: 0699)
0xA0000-0xA7FFF32768136047-1101.5tCRC(2ac77b80) (Fluke: 0699)
0xA0000-0xA7FFF32768136047-1101.5tCRC(2ac77b80) (Fluke: 0699)
0xA0000-0xA7FFF32768136047-1101.5tCRC(2ac77b80) (Fluke: 0699)
0xA8000-0xAFFFF32768136047-1102.5srCRC(f19c3b06) (Fluke: 3CDD)
0xA8000-0xAFFFF32768136047-1102.5srCRC(f19c3b06) (Fluke: 3CDD)
0xA8000-0xAFFFF32768136047-1102.5srCRC(f19c3b06) (Fluke: 3CDD)
0xA8000-0xAFFFF32768136047-1102.5srCRC(f19c3b06) (Fluke: 3CDD)
0xA8000-0xAFFFF32768136047-1102.5srCRC(f19c3b06) (Fluke: 3CDD)
0xA8000-0xAFFFF32768136047-1102.5srCRC(f19c3b06) (Fluke: 3CDD)
0xB0000-0xB7FFF32768136047-1103.5pCRC(78f9ab90) (Fluke: 89B5)
0xB0000-0xB7FFF32768136047-1103.5pCRC(78f9ab90) (Fluke: 89B5)
0xB0000-0xB7FFF32768136047-1103.5pCRC(78f9ab90) (Fluke: 89B5)
0xB0000-0xB7FFF32768136047-1103.5pCRC(78f9ab90) (Fluke: 89B5)
0xB0000-0xB7FFF32768136047-1103.5pCRC(78f9ab90) (Fluke: 89B5)
0xB0000-0xB7FFF32768136047-1103.5pCRC(78f9ab90) (Fluke: 89B5)
0xB8000-0xBFFFF32768136047-1104.5nCRC(77ce4a7f) (Fluke: 516B)
0xB8000-0xBFFFF32768136047-1104.5nCRC(77ce4a7f) (Fluke: 516B)
0xB8000-0xBFFFF32768136047-1104.5nCRC(77ce4a7f) (Fluke: 516B)
0xB8000-0xBFFFF32768136047-1104.5nCRC(77ce4a7f) (Fluke: 516B)
0xB8000-0xBFFFF32768136047-1104.5nCRC(77ce4a7f) (Fluke: 516B)
0xB8000-0xBFFFF32768136047-1104.5nCRC(77ce4a7f) (Fluke: 516B)
0xE0000-0xE7FFF32768136047-1105.5mCRC(bef5a025) (Fluke: B743)
0xE0000-0xE7FFF32768136047-1105.5mCRC(bef5a025) (Fluke: B743)
0xE0000-0xE7FFF32768136047-1105.5mCRC(bef5a025) (Fluke: B743)
0xE0000-0xE7FFF32768136047-1105.5mCRC(bef5a025) (Fluke: B743)
0xE0000-0xE7FFF32768136047-1105.5mCRC(bef5a025) (Fluke: B743)
0xE0000-0xE7FFF32768136047-1105.5mCRC(bef5a025) (Fluke: B743)
0xE8000-0xEFFFF32768136047-1106.5lCRC(92a159c8) (Fluke: E737)
0xE8000-0xEFFFF32768136047-1106.5lCRC(92a159c8) (Fluke: E737)
0xE8000-0xEFFFF32768136047-1106.5lCRC(92a159c8) (Fluke: E737)
0xE8000-0xEFFFF32768136047-1106.5lCRC(92a159c8) (Fluke: E737)
0xE8000-0xEFFFF32768136047-1106.5lCRC(92a159c8) (Fluke: E737)
0xE8000-0xEFFFF32768136047-1106.5lCRC(92a159c8) (Fluke: E737)
0xF0000-0xF7FFF32768136047-1107.5kjCRC(0a94a3ef) (Fluke: 8416)
0xF0000-0xF7FFF32768136047-1107.5kjCRC(0a94a3ef) (Fluke: 8416)
0xF0000-0xF7FFF32768136047-1107.5kjCRC(0a94a3ef) (Fluke: 8416)
0xF0000-0xF7FFF32768136047-1107.5kjCRC(0a94a3ef) (Fluke: 8416)
0xF0000-0xF7FFF32768136047-1107.5kjCRC(0a94a3ef) (Fluke: 8416)
0xF0000-0xF7FFF32768136047-1107.5kjCRC(0a94a3ef) (Fluke: 8416)
0xF8000-0xFFFFF32768136047-1108.5jhCRC(9815eda6) (Fluke: D772)
0xF8000-0xFFFFF32768136047-1108.5jhCRC(9815eda6) (Fluke: D772)
0xF8000-0xFFFFF32768136047-1108.5jhCRC(9815eda6) (Fluke: D772)
0xF8000-0xFFFFF32768136047-1108.5jhCRC(9815eda6) (Fluke: D772)
0xF8000-0xFFFFF32768136047-1108.5jhCRC(9815eda6) (Fluke: D772)
0xF8000-0xFFFFF32768136047-1108.5jhCRC(9815eda6) (Fluke: D772)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384136047-1125.4tCRC(6b7e2328) (Fluke: EAC4)
0x0000-0x3FFF16384136047-1125.4tCRC(6b7e2328) (Fluke: EAC4)
0x0000-0x3FFF16384136047-1125.4tCRC(6b7e2328) (Fluke: EAC4)
0x0000-0x3FFF16384136047-1125.4tCRC(6b7e2328) (Fluke: EAC4)
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