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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.
Mario Bros. (bootleg, 1983)
Memory Area:mariobl_io_map
Address RangeLengthFunctionDescription
0x00001Device Read/Writeay1, ay8910_device, data_r, address_w
0x00011Device Writeay1, ay8910_device, data_w
0x00801Device Read/Writeay2, ay8910_device, data_r, address_w
0x00811Device Writeay2, ay8910_device, data_w
Memory Area:mariobl_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x6000-0x6FFF4096RAM
0x7000-0x71FF512RAM, Sharedspriteram (/* physical sprite ram */)
0x7200-0x72FF256RAM(// attrram? (only enough for sprites?))
0x7281-0x73FF383RAM(// seems to have scroll vals for every column on this bl)
0x7300-0x737F128RAM(// probably x-scroll?)
0x73801Writemariobl_scroll_w
0x7400-0x77FF1024RAM Write, Sharedmario_videoram_w, videoram
0x8000-0x9FFF8192ROM
0xA0001Read NOP(/* watchdog? */)
0xA1001Read PortDSW (/* DSW */)
0x0003LivesActive High
0x00003Active High
0x00014Active High
0x00025Active High
0x00036Active High
0x001cCoinageActive High
0x00083C_1CActive High
0x00102C_1CActive High
0x00001C_1CActive High
0x00181C_2CActive High
0x00041C_3CActive High
0x000c1C_4CActive High
0x00141C_5CActive High
0x001c1C_6CActive High
0x00001 CreditActive High
0x00202 CreditsActive High
0x00c0Bonus_LifeActive High
0x000020k 50k 30k+Active High
0x004030k 60k 30k+Active High
0x008040k 70k 30k+Active High
0x00c0NoneActive High
0xA2061Writemario_gfxbank_w
0xB000-0xBFFF4096ROM
0xE000-0xFFFF8192ROM
 

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
0x0000-0x0FFF4096mbjba-5.4nCRC(9bbcf9fb)
0x1000-0x1FFF4096mbjba-4.4lCRC(9379e836)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF8192mbjba-3.3nsCRC(3981adb2)
0x0000-0x01FF512tma1-c-4p.4pCRC(afc9bd41) (Fluke: AB42)
0x2000-0x3FFF8192mbjba-2.3lsCRC(7b58c92e)
0x4000-0x5FFF8192mbjba-1.3lCRC(c772cb8f)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x3FFF16384mbjba-8.7iCRC(344c959d)
0x4000-0x5FFF8192mbjba-7.7gCRC(06faf308)
0xE000-0xFFFF8192mbjba-6.7fCRC(761dd670)
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