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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.
The Speed Rumbler (Capcom, 1986)
Memory Area:srumbler_map
Address RangeLengthFunctionDescription
0x0000-0x1DFF7680RAM(/* RAM (of 1 sort or another) */)
0x1E00-0x1FFF512RAM, Sharedspriteram
0x2000-0x3FFF8192RAM Write, Sharedbackground_w, backgroundram
0x40081Read Port, WriteSYSTEM, bankswitch_w
0x0001Start 1Active Low
0x0002Start 2Active Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010UnknownActive Low
0x0020Coin 3Active Low
0x0040Coin 1Active Low
0x0080Coin 2Active Low
0x40091Read Port, WriteP1, _4009_w
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick DownActive Low
0x0008Joystick UpActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x400A-0x400D4Writescroll_w
0x400A1Read PortP2
0x0001Joystick RightActive Low
0x0002Joystick LeftActive Low
0x0004Joystick DownActive Low
0x0008Joystick UpActive Low
0x0010Button 1Active Low
0x0020Button 2Active Low
0x0040UnknownActive Low
0x0080UnknownActive Low
0x400B1Read PortDSW1
0x0007Coin_BActive High
0x00004C_1CActive High
0x00013C_1CActive High
0x00022C_1CActive High
0x00071C_1CActive High
0x00061C_2CActive High
0x00051C_3CActive High
0x00041C_4CActive High
0x00031C_6CActive High
0x0038Coin_AActive High
0x00004C_1CActive High
0x00083C_1CActive High
0x00102C_1CActive High
0x00381C_1CActive High
0x00301C_2CActive High
0x00281C_3CActive High
0x00201C_4CActive High
0x00181C_6CActive High
0x0080Flip_ScreenActive High
0x0080OffActive High
0x0000OnActive High
0x400C1Read PortDSW2
0x0003LivesActive High
0x00033Active High
0x00024Active High
0x00015Active High
0x00007Active High
0x0004CabinetActive High
0x0000UprightActive High
0x0004CocktailActive High
0x0018Bonus_LifeActive High
0x001820k 70k and every 70kActive High
0x001030k 80k and every 80kActive High
0x000820k 80kActive High
0x000030k 80kActive High
0x0060DifficultyActive High
0x0040EasyActive High
0x0060NormalActive High
0x0020DifficultActive High
0x0000Very_DifficultActive High
0x0080Allow_ContinueActive High
0x0000NoActive High
0x0080YesActive High
0x400E1Device Writesoundlatch, generic_latch_8_device, write
0x5000-0x5FFF4096ROM Bank, Write, Shared5000, foreground_w, foregroundram (/* Banked ROM */)
0x6000-0x6FFF4096Write NOP(/* Video RAM 2 ??? (not used) */)
0x6000-0x6FFF4096ROM Bank6000 (/* Banked ROM */)
0x7000-0x7FFF4096ROM Bank7000 (/* Banked ROM */)
0x7000-0x73FF1024Device Write, Sharedpalette, palette_device, write, palette
0x8000-0x8FFF4096ROM Bank8000 (/* Banked ROM */)
0x9000-0x9FFF4096ROM Bank9000 (/* Banked ROM */)
0xA000-0xAFFF4096ROM Banka000 (/* Banked ROM */)
0xB000-0xBFFF4096ROM Bankb000 (/* Banked ROM */)
0xC000-0xCFFF4096ROM Bankc000 (/* Banked ROM */)
0xD000-0xDFFF4096ROM Bankd000 (/* Banked ROM */)
0xE000-0xEFFF4096ROM Banke000 (/* Banked ROM */)
0xF000-0xFFFF4096ROM Bankf000 (/* Banked ROM */)
Memory Area:srumbler_sound_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x80012Device Writeym1, ym2203_device, write
0xA000-0xA0012Device Writeym2, ym2203_device, write
0xC000-0xC7FF2048RAM
0xE0001Device Readsoundlatch, generic_latch_8_device, read
 

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
0x0000-0x7FFF32768rc05.2fCRC(0177cebe) (Fluke: 1BB9)
0x0000-0x7FFF32768rc05.2fCRC(0177cebe) (Fluke: 8E86)
Memory Area:gfx1
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384rc10.6gCRC(adabe271),characters (Fluke: 4EB2)
0x0000-0x3FFF16384rc10.6gCRC(adabe271),characters (Fluke: 4EB2)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768rc11.11aCRC(5fa042ba),tiles (Fluke: DF53)
0x0000-0x7FFF32768rc11.11aCRC(5fa042ba),tiles (Fluke: DF53)
0x8000-0xFFFF32768rc12.13aCRC(a2db64af) (Fluke: 05D4)
0x8000-0xFFFF32768rc12.13aCRC(a2db64af) (Fluke: 05D4)
0x10000-0x17FFF32768rc13.14aCRC(f1df5499) (Fluke: CDDE)
0x10000-0x17FFF32768rc13.14aCRC(f1df5499) (Fluke: CDDE)
0x18000-0x1FFFF32768rc14.15aCRC(b22b31b3) (Fluke: 6FFC)
0x18000-0x1FFFF32768rc14.15aCRC(b22b31b3) (Fluke: 6FFC)
0x20000-0x27FFF32768rc15.11cCRC(ca3a3af3) (Fluke: 3E82)
0x20000-0x27FFF32768rc15.11cCRC(ca3a3af3) (Fluke: 3E82)
0x28000-0x2FFFF32768rc16.13cCRC(c49a4a11) (Fluke: 1263)
0x28000-0x2FFFF32768rc16.13cCRC(c49a4a11) (Fluke: 1263)
0x30000-0x37FFF32768rc17.14cCRC(aa80aaab) (Fluke: E95C)
0x30000-0x37FFF32768rc17.14cCRC(aa80aaab) (Fluke: E95C)
0x38000-0x3FFFF32768rc18.15cCRC(ce67868e) (Fluke: 7F32)
0x38000-0x3FFFF32768rc18.15cCRC(ce67868e) (Fluke: 7F32)
Memory Area:gfx3
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768rc20.15eCRC(3924c861),sprites (Fluke: 104A)
0x0000-0x7FFF32768rc20.15eCRC(3924c861),sprites (Fluke: 104A)
0x8000-0xFFFF32768rc19.14eCRC(ff8f9129) (Fluke: 3E55)
0x8000-0xFFFF32768rc19.14eCRC(ff8f9129) (Fluke: 3E55)
0x10000-0x17FFF32768rc22.15fCRC(ab64161c) (Fluke: D6DF)
0x10000-0x17FFF32768rc22.15fCRC(ab64161c) (Fluke: D6DF)
0x18000-0x1FFFF32768rc21.14fCRC(fd64bcd1) (Fluke: D193)
0x18000-0x1FFFF32768rc21.14fCRC(fd64bcd1) (Fluke: D193)
0x20000-0x27FFF32768rc24.15hCRC(c972af3e) (Fluke: 3BA3)
0x20000-0x27FFF32768rc24.15hCRC(c972af3e) (Fluke: 3BA3)
0x28000-0x2FFFF32768rc23.14hCRC(8c9abf57) (Fluke: 0487)
0x28000-0x2FFFF32768rc23.14hCRC(8c9abf57) (Fluke: 0487)
0x30000-0x37FFF32768rc26.15jCRC(d4f1732f) (Fluke: F4B3)
0x30000-0x37FFF32768rc26.15jCRC(d4f1732f) (Fluke: F4B3)
0x38000-0x3FFFF32768rc25.14jCRC(d2a4ea4f) (Fluke: B5F6)
0x38000-0x3FFFF32768rc25.14jCRC(d2a4ea4f) (Fluke: B5F6)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF25663s141.12aCRC(8421786f),ROM banking (Fluke: A7CA)
0x0000-0x00FF25663s141.12aCRC(8421786f),ROM banking (Fluke: A7CA)
0x0100-0x01FF25663s141.13aCRC(6048583f),ROM banking (Fluke: 31AD)
0x0100-0x01FF25663s141.13aCRC(6048583f),ROM banking (Fluke: 31AD)
0x0200-0x02FF25663s141.8jCRC(1a89a7ff),priority (not used) (Fluke: 67FA)
0x0200-0x02FF25663s141.8jCRC(1a89a7ff),priority (not used) (Fluke: 67FA)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF32768rc04.14eCRC(a68ce89c) (Fluke: A408)
0x0000-0x7FFF32768rc04.14eCRC(a68ce89c) (Fluke: A408)
0x8000-0xFFFF32768rc03.13eCRC(87bda812) (Fluke: FEFE)
0x8000-0xFFFF32768rc03.13eCRC(87bda812) (Fluke: 7B5C)
0x10000-0x17FFF32768rc02.12eCRC(d8609cca) (Fluke: BBC0)
0x10000-0x17FFF32768rc02.12eCRC(d8609cca) (Fluke: 447C)
0x18000-0x1FFFF32768rc01.11eCRC(27ec4776) (Fluke: EFF5)
0x18000-0x1FFFF32768rc01.11eCRC(27ec4776) (Fluke: 27B5)
0x20000-0x27FFF32768rc09.14fCRC(2146101d) (Fluke: 39A3)
0x20000-0x27FFF32768rc09.14fCRC(2146101d) (Fluke: AA24)
0x28000-0x2FFFF32768rc08.13fCRC(838369a6) (Fluke: DC73)
0x28000-0x2FFFF32768rc08.13fCRC(838369a6) (Fluke: B884)
0x30000-0x37FFF32768rc07.12fCRC(de785076) (Fluke: D144)
0x30000-0x37FFF32768rc07.12fCRC(de785076) (Fluke: D144)
0x38000-0x3FFFF32768rc06.11fCRC(a70f4fd4) (Fluke: 6726)
0x38000-0x3FFFF32768rc06.11fCRC(a70f4fd4) (Fluke: 6726)
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