code/modules/modular_computers/hardware/virus_disk.dm

VIRUS_MODE_ABORT	Completely give up sending the virus. Returns immediately.
VIRUS_MODE_GENERIC	'Generic' mode. Assumes no more than the magic packet is required, and simply adds some bogus registers to cover up the real fields.
VIRUS_MODE_RAW_SIGNAL	Throw out the old signal and provide an entirely unique one. Use this if you need to mark a packet inviolable.
VIRUS_MODE_EXTRA_STAPLE	Add a list of extra fields to the packet.

Define Details

Completely give up sending the virus. Returns immediately.

Add a list of extra fields to the packet.

'Generic' mode. Assumes no more than the magic packet is required, and simply adds some bogus registers to cover up the real fields.

Throw out the old signal and provide an entirely unique one. Use this if you need to mark a packet inviolable.