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The Commodore 64 never had a virus

The Commodore 64 never had a virus.  I knew I had a clean machine when I turned it on.  Is having the operating system in RAM better than having the operating system in ROM in modern computers?  The Commodore 64 had array memory whereas more modern computers have libraries and other points of infection.
 
Someone made a trojan for the Commodore 64 whereas a program tried to format the disk but if you turned off the drive or had a write protect tab on your disk, nothing could happen.  The fact that commodore hard drives were intelligent hard drives meant that hardware controlled the action instead of viruses controlling the action.  Besides, there really wasn't a whole lot of memory in them to cause a virus (2K of memory).
 
 

There was several viruses for

There was several viruses for the Commodore 64, of those I know of:

  • BHP
  • BULA
  • HIV

The spreading of a virus was bad, almost non-existant.
 

I heard about HIV (in fact, o

I heard about HIV (in fact, one of my friends gave me a disk with it, but I never ran it).  I haven't heard of the others.

Truly,
Robert Bernardo
Fresno Commodore User Group
http://videocam.net.au/fcug

IIRC there were some viruses

IIRC there were some viruses which were loaded in the floppy drive. And usually you turned off and on just the C64 when you loaded another game from disk. It was worse with a reset switch, because it was possible to write reset resistant programs (faking the CBM80 module id at $8000).

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