; hello.asm - single-object demo.
; Prints "Hello, World!" through the memory-mapped terminal at $F001,
; then writes to the halt register at $F003.

        .export start
        .org $0600

        jmp start

msg:
        .asciiz "Hello, World!"

start:
        ldx #0
loop:
        lda msg,x
        beq done
        sta $F001
        inx
        jmp loop
done:
        lda #$00
        sta $F003
        rts