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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.
Top Roller (Jaleco, 1983)
Memory Area:cclimber_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x6000-0x6BFF3072RAM(/* Crazy Kong only */)
0x8000-0x83FF1024RAM
0x8800-0x88FF256RAM, Sharedbigspriteram
0x8900-0x8BFF768RAM(/* not used, but initialized */)
0x9000-0x93FF1024Mirror, RAM, Shared0x0400, , videoram
0x9800-0x9BFF1024RAM(/* not used, but initialized */)
0x9800-0x981F32RAM, Sharedcolumn_scroll
0x9880-0x989F32RAM, Sharedspriteram
0x98DC-0x98DF4RAM, Sharedbigspritectrl
0x9C00-0x9FFF1024RAM Write, Sharedcclimber_colorram_w, colorram
0xA0001Read Port, WriteP1, nmi_mask_w
0x0008Button 1Active High
0x0010Joystick UpActive High
0x0020Joystick DownActive High
0x0040Joystick LeftActive High
0x0080Joystick RightActive High
0xA001-0xA0022Write Only, Sharedflip_screen
0xA0031Writenmi_mask_w (//used by Crazy Kong Bootleg with alt levels and speed up)
0xA0041Device Writecclimber_audio, cclimber_audio_device, sample_trigger_w
0xA8001Read Port, Device WriteP2, cclimber_audio, cclimber_audio_device, sample_rate_w
0x0008Button 1Active High
0x0010Joystick UpActive High
0x0020Joystick DownActive High
0x0040Joystick LeftActive High
0x0080Joystick RightActive High
0xB0001Read Port, Device WriteDSW, cclimber_audio, cclimber_audio_device, sample_volume_w
0x00003Active High
0x00014Active High
0x00025Active High
0x00036Active High
0x000c4C_1CActive High
0x00083C_1CActive High
0x00042C_1CActive High
0x00001C_1CActive High
0x00182C_3CActive High
0x00101C_2CActive High
0x00141C_3CActive High
0x001cFree_PlayActive High
0x0000Every 30000Active High
0x0020Every 50000Active High
0x0000EasyActive High
0x0040HardActive High
0x0080UprightActive High
0x0000CocktailActive High
0xB8001Read PortSYSTEM
0x0001Coin 2Active Low
0x0002Coin 1Active Low
0x0004Start 1Active Low
0x0008Start 2Active Low
0x0010Coin 3Active Low
Memory Area:cclimber_portmap
Address RangeLengthFunctionDescription
0x0008-0x00092Device Writecclimber_audio:aysnd, ay8910_device, address_data_w
0x000C1Device Readcclimber_audio:aysnd, ay8910_device, data_r
Memory Area:toprollr_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM Bankbank1
0x6000-0x6BFF3072RAM, Sharedram
0x8800-0x88FF256RAM, Sharedbigspriteram
0x8C00-0x8FFF1024RAM, Sharedbg_videoram
0x9000-0x93FF1024RAM, Sharedvideoram
0x9400-0x97FF1024RAM, Sharedbg_coloram
0x9800-0x987F128RAM(/* unused ? */)
0x9880-0x995F224RAM, Sharedspriteram
0x99DC-0x99DF4RAM, Sharedbigspritectrl
0x9C00-0x9FFF1024RAM, Sharedcolorram
0xA0001Read Port, WriteP1, nmi_mask_w
0x0008Button 1Active High
0x0010Joystick UpActive High
0x0020Joystick DownActive High
0x0040Joystick LeftActive High
0x0080Joystick RightActive High
0xA001-0xA0022Write Only, Sharedflip_screen
0xA0041Device Writecclimber_audio, cclimber_audio_device, sample_trigger_w
0xA005-0xA0062Writetoprollr_rombank_w
0xA8001Read Port, Device WriteP2, cclimber_audio, cclimber_audio_device, sample_rate_w
0x0008Button 1Active High
0x0010Joystick UpActive High
0x0020Joystick DownActive High
0x0040Joystick LeftActive High
0x0080Joystick RightActive High
0xB0001Read Port, Device WriteDSW, cclimber_audio, cclimber_audio_device, sample_volume_w
0x00003Active High
0x00014Active High
0x00025Active High
0x00036Active High
0x000c4C_1CActive High
0x00083C_1CActive High
0x00042C_1CActive High
0x00001C_1CActive High
0x00182C_3CActive High
0x00101C_2CActive High
0x00141C_3CActive High
0x001cFree_PlayActive High
0x0000Every 30000Active High
0x0020Every 50000Active High
0x0000EasyActive High
0x0040HardActive High
0x0080UprightActive High
0x0000CocktailActive High
0xB8001Read PortSYSTEM
0x0001Coin 2Active Low
0x0002Coin 1Active Low
0x0004Start 1Active Low
0x0008Start 2Active Low
0x0010Coin 3Active Low
0xC000-0xFFFF16384ROM
 

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
0x0000-0x1FFF819216.j4CRC(ce3afe26) (Fluke: 12D3)
0x2000-0x3FFF819215.h4CRC(1d9e3325) (Fluke: 7812)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF819214.c4CRC(7a945733) (Fluke: 39BC)
0x2000-0x3FFF819213.a4CRC(89327329) (Fluke: 2BBA)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF40966.m5CRC(e30c1dd8) (Fluke: 2B8D)
0x1000-0x1FFF40965.l5CRC(84139f46) (Fluke: BA30)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0xC000-0xDFFF819210.k3CRC(1e8914a6) (Fluke: 9768)
0xE000-0xFFFF819211.l3CRC(b20a9fa2) (Fluke: 5BD4)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32prom.p2CRC(42e828fa) (Fluke: F242)
0x0020-0x003F32prom.r2CRC(99b87eed) (Fluke: 1EFD)
0x0040-0x005F32prom.a1CRC(7d626d6c) (Fluke: E5F9)
0x0060-0x007F32prom.p9CRC(eb399c02) (Fluke: E753)
0x0080-0x009F32prom.n9CRC(fb03ea99) (Fluke: 2F9E)
0x00A0-0x019F256prom.s9CRC(abf4c5fb) (Fluke: 4318)
Memory Area:samples
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF819212.p3CRC(7f989dc9) (Fluke: B153)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81922.f5CRC(ef789f00) (Fluke: F059)
0x2000-0x3FFF81928.f3CRC(94371cfb) (Fluke: 3EF2)
0x4000-0x5FFF81924.k5CRC(1cb48ea0) (Fluke: 3987)
0x6000-0x7FFF81923.h5CRC(d45494ba) (Fluke: D9B8)
0x8000-0x9FFF81929.h3CRC(8a8032a7) (Fluke: 944B)
0xC000-0xDFFF81921.d5CRC(9894374d) (Fluke: CB08)
0xE000-0xFFFF81927.d3CRC(904fffb6) (Fluke: D78E)
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