[MAME]

Lady Bug 

Memory map (preliminary)

0000-5fff ROM
6000-6fff RAM
d000-d3ff video RAM
          d000-d007/d020-d027/d040-d047/d060-d067 contain the column scroll
          registers (not used by Lady Bug)
d400-d7ff color RAM (4 bits wide)

memory mapped ports:

read:
9000      IN0
9001      IN1
9002      DSW0
9003      DSW1
e000      IN2 (not used by Lady Bug)
8000      interrupt enable? (toggle)?
see the input_ports definition below for details on the input bits

write:
7000-73ff sprites
a000      flip screen
b000      sound port 1
c000      sound port 2

interrupts:
There is no vblank interrupt. The vblank status is read from IN1.
Coin insertion in left slot generates a NMI, in right slot an IRQ.

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[Jan/15/97]

Here is a set of LadyBug ROMs without the corrupt sprites.

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[Jun/16/2005]

Lady Bug (bootleg set 2)
Year 1981  

ROMs:
6x Intel ID2732A (1-2-3-4-5-6)
3x TI TMS2532 (7-8-9)
1x Motorola MCM2532 (10)  
 
NOTE:
Note Blister, no PCB
It's a clone of "Lady Bug"  
  
Dumped 16/06/2005  

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