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ladybug.c

0.01 [Nicola Salmoria]


TODO:

- Coin lockouts are missing. The game only accepts 9 coins, so there has to be a lockout call somewhere.

- Space Raider: Decode cpu#2 writes to port 0x30 and 0x38 - resistors for sound, decode cpu#2 writes to port 0x28-0x2f - ???, examine other bits from cpu#2 write to 0xe800 and one unknown dip


NOTES:

- Lady Bug doesn't have VBlank interrupts. Interrupts are still used by the game: but they are related to coin slots. Left slot generates a NMI, Right slot an IRQ.


WIP:

- 0.01: Added ladybug.c driver.