Commodore 64-128-Plus/4 computers
$FFF6-$FFF9 (65526-9) in the C64
BIOS, right before the hard-coded jump vectors for the processor, you can find
the letter sequence "RRBY" (for the main C-64 engineers Robert
Russell and Bob Yannes).
· BUG: The BASIC program in some of the original systems can be crashed by executing PRINT""+-[x] (where x is any integer), or by attempting to create a BASIC program with an initial line number near 350800.
BUG: Due to a quirk in the
C64's BASIC operating system, a screensaver of sorts may be activated: Begin by
pressing RUN/STOP+RETORE, and then enter "
on the subsequently cleared screen. A screen full of “?” will appear (see