;https://www.pagetable.com/?p=926
 processor 6502
 org $fff
 .word $1001
 .word basic
basic:
 .word 0
start:
 ldy #0
Loop:
 lda MSG,y
 beq Wait
 JSR $FFD2
 iny
 bne Loop
Wait:
 jmp Wait
MSG:
 .byte "HELLO WORLD"
 .byte 0