Commodore VIC-20

?DEVICE NOT PRESENT ERROR Commodore VIC-20 ?DEVICE NOT PRESENT ERROR means the VIC-20 tried to communicate with a … ?OUT OF DATA ERROR Commodore VIC-20 ?OUT OF DATA ERROR means your program tried to READ more values than exist in … ?OUT OF MEMORY ERROR Commodore VIC-20 ?OUT OF MEMORY ERROR on the VIC-20 means your program has used all available … ?RETURN WITHOUT GOSUB ERROR Commodore VIC-20 ?RETURN WITHOUT GOSUB ERROR means the program hit a RETURN statement without a … ?STRING TOO LONG ERROR Commodore VIC-20 ?STRING TOO LONG ERROR means a string variable exceeded 255 characters. … ?SYNTAX ERROR Commodore VIC-20 ?SYNTAX ERROR on the VIC-20 means BASIC could not understand the command you …