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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.
Lady Bug (bootleg, 1981)
Memory Area:ladybug_map
Address RangeLengthFunctionDescription
0x0000-0x5FFF24576ROM
0x6000-0x6FFF4096RAM
0x7000-0x73FF1024Write Only, Sharedspriteram
0x8000-0x8FFF4096Read NOP
0x90001Read PortIN0
0x90011Read PortIN1
0x90021Read PortDSW0
0x90031Read PortDSW1
0xA0001Writeladybug_flipscreen_w
0xB000-0xBFFF4096Device Writesn1, sn76489_device, write
0xC000-0xCFFF4096Device Writesn2, sn76489_device, write
0xD000-0xD3FF1024RAM Write, Sharedladybug_videoram_w, videoram
0xD400-0xD7FF1024RAM Write, Sharedladybug_colorram_w, colorram
0xE0001Read PortIN2
 

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
0x0000-0x0FFF4096l9.f7CRC(77b1da1e)
0x1000-0x1FFF4096l0.h7CRC(aa82e00b)
Memory Area:gfx2
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096l8.l7CRC(8b99910b)
0x1000-0x1FFF4096l7.m7CRC(86a5b448)
Memory Area:maincpu
Address RangeLengthLabel/LocationDescription
0x0000-0x0FFF4096lb1a.cpuCRC(ec135e54)
0x1000-0x1FFF4096lb2a.cpuCRC(3049c5c6)
0x2000-0x2FFF4096lb3a.cpuCRC(b0fef837)
0x3000-0x3FFF4096l4.h4CRC(ffc424d7)
0x4000-0x4FFF4096l5.j4CRC(ad6af809)
0x5000-0x5FFF4096lb6a.cpuCRC(88c8002a)
Memory Area:proms
Address RangeLengthLabel/LocationDescription
0x0000-0x001F3210-2.k1CRC(df091e52),palette
0x0020-0x003F3210-1.f4CRC(40640d8f),sprite color lookup table
0x0040-0x005F3210-3.c4CRC(27fa3a50),??
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