Hello World!

ldy #0
beq in
loop:
jsr $ffd2
iny
in:
lda hello,y
bne loop
rts
hello: .tx "Hello World!"
       .by 13,10,0

Das war C64-Assembler. Mehr Hello World-Programme in 365 (!) verschiedenen Programmiersprachen (plus 58 Überetzungen in menschliche Sprachen) gibt's hier.

Ready.
10 Print "Whooohooo! ";
20 Goto 10
Run

Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo! Whooohooo!