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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.
BanBam (Sun Electronics, 1984)
Memory Area:strnskil_map1
Address RangeLengthFunctionDescription
0x0000-0x9FFF40960ROM
0xC000-0xC7FF2048RAM
0xC800-0xCFFF2048RAM, Sharedshare1
0xD000-0xD7FF2048RAM Write, Sharedstrnskil_videoram_w, videoram
0xD8001Readstrnskil_d800_r
0xD8011Read PortDSW1
0x0001LivesActive High
0x00003Active High
0x00015Active High
0x0002CabinetActive High
0x0002UprightActive High
0x0000CocktailActive High
0x0004Flip_ScreenActive High
0x0000OffActive High
0x0004OnActive High
0x00001C 1C / 1C 1CActive High
0x00102C 1C / 2C 1CActive High
0x00202C 1C / 1C 3CActive High
0x00301C 1C / 1C 2CActive High
0x00401C 1C / 1C 3CActive High
0x00501C 1C / 1C 4CActive High
0x00601C 1C / 1C 5CActive High
0x00701C 1C / 1C 6CActive High
0x00801C 2C / 1C 2CActive High
0x00901C 2C / 1C 4CActive High
0x00a01C 2C / 1C 5CActive High
0x00b01C 2C / 1C 10CActive High
0x00c01C 2C / 1C 11CActive High
0x00d01C 2C / 1C 12CActive High
0x00e01C 2C / 1C 6CActive High
0x00f0Free_PlayActive High
0xD8021Read PortDSW2
0x0001Demo_SoundsActive High
0x0001OffActive High
0x0000OnActive High
0x0006Bonus_LifeActive High
0x000020000 50000Active High
0x000220000 80000Active High
0x000420000Active High
0x0006NoneActive High
0x0008OffActive High
0x0000OnActive High
0x0000OffActive High
0x0080OnActive High
0xD8031Read PortSYSTEM
0x0080Service 1Active High
0x0040UnknownActive High
0x0010UnknownActive High
0x0008Start 2Active High
0x0004Start 1Active High
0x0002Coin 2Active High
0x0001Coin 1Active High
0xD8041Read PortP1
0x0080UnknownActive High
0x0040UnknownActive High
0x0020UnknownActive High
0x0010Button 1Active High
0x0008Joystick DownActive High
0x0004Joystick UpActive High
0x0002Joystick LeftActive High
0x0001Joystick RightActive High
0xD8051Read PortP2
0x0080UnknownActive High
0x0040UnknownActive High
0x0020UnknownActive High
0x0010Button 1Active High
0x0008Joystick DownActive High
0x0004Joystick UpActive High
0x0002Joystick LeftActive High
0x0001Joystick RightActive High
0xD8081Writestrnskil_scrl_ctrl_w
0xD8091Write NOP(/* coin counter? */)
0xD80A-0xD80B2Write Only, Sharedxscroll
Memory Area:strnskil_map2
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0xC000-0xC7FF2048RAM, Sharedspriteram
0xC800-0xCFFF2048RAM, Sharedshare1
0xD8011Device Writesn1, sn76496_device, write
0xD8021Device Writesn2, sn76496_device, write
 

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
0x0000-0x1FFF8192ban-rom6.ic90CRC(41fc44df) (Fluke: FFBD)
0x2000-0x3FFF8192ban-rom7.ic92CRC(8b429c5b) (Fluke: 732C)
0x4000-0x5FFF8192ban-rom8.ic94CRC(76c02d6b) (Fluke: F8D5)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192ban-rom11.ic102CRC(aa827c57) (Fluke: 4F15)
0x2000-0x3FFF8192ban-rom10.ic101CRC(51bd1c5c) (Fluke: 45C7)
0x4000-0x5FFF8192ban-rom9.ic100CRC(c0a5a4c8) (Fluke: 8348)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192ban-rom2.ic7CRC(a5aeef6e) (Fluke: B3CC)
0x2000-0x3FFF8192ban-rom3.ic8CRC(f91472bf) (Fluke: FEB7)
0x4000-0x5FFF8192ban-rom4.ic9CRC(436a09ef) (Fluke: 87D1)
0x6000-0x7FFF8192ban-rom5.ic10CRC(45205f86) (Fluke: 590C)
Memory Area:mcu
Address RangeLengthLabel/LocationDescription
0x0000-0x07FF2048sun-8212.ic3BAD_DUMP CRC(8869611e)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF25616-3.66CRC(dbcd3bec),R Prom type 24s10 (Fluke: 6D56)
0x0100-0x01FF25616-4.67CRC(9eb7b6cf),G Prom type 24s10 (Fluke: B50E)
0x0200-0x02FF25616-5.68CRC(9b30a7f3),B Prom type 24s10 (Fluke: 4311)
0x0300-0x04FF51216-1.148CRC(777e2770),sprite Prom type mb7124h (Fluke: 243E)
0x0500-0x06FF51216-2.97CRC(7f95d4b2),bg Prom type mb7124h (Fluke: C1DE)
Memory Area:sub
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192ban-rom1.ic2CRC(e36009f6) (Fluke: 0A5E)
Memory Area:user1
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF25616-6.59CRC(ec4faf5b),Prom type 24s10 (Fluke: C61A)
0x0000-0x1FFF8192ban-rom12.ic2CRC(044bb2f6) (Fluke: ADA0)
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