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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.
Magical Odds (Pal Company / Micro Manufacturing Inc., 1992)
Memory Area:goldstar_readport
Address RangeLengthFunctionDescription
0x00101Read PortDSW6
Memory Area:magodds_map
Address RangeLengthFunctionDescription
0x0000-0x7FFF32768ROM
0x8000-0x87FF2048RAM, Sharednvram
0x8800-0x8FFF2048RAM Write, Sharedgoldstar_fg_vidram_w, fg_vidram
0x9000-0x97FF2048RAM Write, Sharedgoldstar_fg_atrram_w, fg_atrram
0x9800-0x99FF512RAM Write, Sharedgoldstar_reel1_ram_w, reel1_ram
0xA000-0xA1FF512RAM Write, Sharedgoldstar_reel2_ram_w, reel2_ram
0xA900-0xAAFF512RAM Write, Sharedgoldstar_reel3_ram_w, reel3_ram (// +0x100 compared to lucky8)
0xB040-0xB07F64RAM, Sharedreel1_scroll
0xB080-0xB0BF64RAM, Sharedreel2_scroll
0xB100-0xB17F128RAM, Sharedreel3_scroll
0xB800-0xB8034Device Read/Writeppi8255_0, i8255_device, read, write (/* Input Ports */)
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004P1 - Big / Switch ControlsActive Low
0x0008P1 - Double-UpActive Low
0x0010P1 - Take ScoreActive Low
0x0020P1 - BetActive Low
0x0040P1 - Small / InfoActive Low
0x0080P1 - StartActive Low
0xB810-0xB8134Device Read/Writeppi8255_1, i8255_device, read, write (/* Input Ports */)
0x0001UnknownActive Low
0x0002UnknownActive Low
0x0004UnknownActive Low
0x0008UnknownActive Low
0x0010Coin DActive Low
0x0020Coin CActive Low
0x0040Gamble KeyinActive Low
0x0080Coin AActive Low
0xB820-0xB8234Device Read/Writeppi8255_2, i8255_device, read, write (/* Input/Output Ports */)
0x0000+4 - 56%Active High
0x0001+3 - 60%Active High
0x0002+2 - 64%Active High
0x0003+1 - 68%Active High
0x00040 - 72%Active High
0x0005-1 - 76%Active High
0x0006-2 - 80%Active High
0x0007-3 - 84%Active High
0x0008OffActive High
0x0000OnActive High
0x0010UnknownActive High
0x0010OffActive High
0x0000OnActive High
0x0020UnknownActive High
0x0020OffActive High
0x0000OnActive High
0x0040UnknownActive High
0x0040OffActive High
0x0000OnActive High
0x0080UnknownActive High
0x0080OffActive High
0x0000OnActive High
0xB8301Device Read/Writeaysnd, ay8910_device, data_r, data_w
0xB8401Device Writeaysnd, ay8910_device, address_w (/* no sound... only use both ports for DSWs */)
0xB8501Writemagodds_outb850_w (/* lamps */)
0xB8601Writemagodds_outb860_w (/* watchdog */)
0xB8701Device Writesnsnd, sn76489_device, write (/* sound */)
0xC000-0xFFFF16384ROM, Regionmaincpu,0xc000
 

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
0x0000-0xFFFF655367_l7_g5.512CRC(654bb754)
0x10000-0x1FFFF655366_l6_g3.512CRC(3e44d92b)
0x20000-0x2FFFF655365_l5_g2.512CRC(f0ffb199)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x1FFF81924_m4_h6.764CRC(cccfaa5d)
0x0000-0x1FFF81924_m4_h6.764CRC(cccfaa5d)
0x2000-0x3FFF81922_m2_h3.764CRC(fb7541d5)
0x2000-0x3FFF81922_m2_h3.764CRC(fb7541d5)
0x4000-0x5FFF81923_m3_h5.764CRC(49572d8b)
0x4000-0x5FFF81923_m3_h5.764CRC(49572d8b)
0x6000-0x7FFF81921_m1_h2.764CRC(d7d657e4)
0x6000-0x7FFF81921_m1_h2.764CRC(d7d657e4)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x7FFF327688_p6_d12.512CRC(6978c662)
0xC000-0xFFFF163849_p7_d14.512CRC(095230ba)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF25682s129a.3cCRC(8c4c0dc8)
0x0000-0x00FF25682s129a.3cCRC(8c4c0dc8)
0x0100-0x01FF25682s129a.1cCRC(55e3c65f)
0x0100-0x01FF25682s129a.1cCRC(55e3c65f)
0x0200-0x02FF25682s129a.2cCRC(4d46f40a)
0x0200-0x02FF25682s129a.2cCRC(4d46f40a)
Memory Area:proms2
Address RangeLengthLabel/LocationDescription
0x0000-0x00FF25682s129a.6jCRC(1200815e)
0x0000-0x00FF25682s129a.6jCRC(1200815e)
Memory Area:proms3
Address RangeLengthLabel/LocationDescription
0x0000-0x001F32dm74s288.1aCRC(6a13320b)
0x0000-0x001F32dm74s288.1aCRC(6a13320b)
0x0020-0x003F32dm74s288.1bCRC(e04abac8)
0x0020-0x003F32dm74s288.1bCRC(e04abac8)
0x0040-0x005F32dm74s288.12kCRC(03231e84)
0x0040-0x005F32dm74s288.12kCRC(03231e84)
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