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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.
Bowling Alley (Midway, 1978)
Memory Area:bowler_io_map
Address RangeLengthFunctionDescription
0x00011Readbowler_shift_result_r
0x00011Device Writemb14241, mb14241_device, shift_count_w
0x00021Device Writemb14241, mb14241_device, shift_data_w
0x00021Read PortIN0
0x0003LanguageActive High
0x0000EnglishActive High
0x0001FrenchActive High
0x0002GermanActive High
0x0003GermanActive High
0x0004Demo_SoundsActive High
0x0000OffActive High
0x0004OnActive High
0x0008Game_TimeActive High
0x0000No LimitActive High
0x00085 MinutesActive High
0x0010CoinageActive High
0x00102C_1CActive High
0x00001C_1CActive High
0x0020DifficultyActive High
0x0020EasyActive High
0x0000HardActive High
0x0040CabinetActive High
0x0000UprightActive High
0x0040Cocktail (not functional)Active High
0x00031Readmw8080bw_shift_result_rev_r
0x00041Read PortIN1
0x0001Coin 1Active High
0x0002Hook/StraightActive High
0x0004Start 1Active High
0x0008Game SelectActive High
0x0010UnusedActive High
0x0020UnusedActive High
0x0040UnusedActive High
0x0080UnusedActive High
0x00041Device Writewatchdog, watchdog_timer_device, reset_w
0x00051Read PortIN2
0x00ffTrackball YActive High
0x00051Writebowler_audio_1_w
0x00061Read PortIN3
0x00ffTrackball XActive High
0x00061Writebowler_audio_2_w
0x00071Writebowler_lights_1_w
0x00081Writebowler_audio_3_w
0x00091Writebowler_audio_4_w
0x000A1Writebowler_audio_5_w
0x000E1Writebowler_lights_2_w
0x000F1Writebowler_audio_6_w
Memory Area:main_map
Address RangeLengthFunctionDescription
0x0000-0x1FFF8192ROM, Write NOP
0x2000-0x3FFF8192Mirror, RAM, Shared0x4000, , main_ram
0x4000-0x5FFF8192ROM, Write NOP
 

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:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048h.cpuCRC(74c29b93) (Fluke: A915)
0x0800-0x0FFF2048g.cpuCRC(ca26d8b4) (Fluke: E723)
0x1000-0x17FF2048f.cpuCRC(ba8a0bfa) (Fluke: 447E)
0x1800-0x1FFF2048e.cpuCRC(4da65a40) (Fluke: C9E8)
0x4000-0x47FF2048d.cpuCRC(e7dbc9d9) (Fluke: 4CAB)
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