Invade-a-load loader plug-in for WAV-PRG
Written by Fabrizio Gennari, 1999

This plug-in converts Commodore 64 tapes using Invade-a-load (also known as "180 loader") to PC emulator format.

File format:

Threshold: 362 clock cycles
Lead-in byte: $40 (repeated)
Sync byte:    $5A

Then come:
start address (low byte, high byte)
end address (low byte, high byte)
data
checksum (XOR of all data bytes)
