define SCREEN $f000 ; location of screen memory ldy #$00 ; index value (character we're currently processing)

char: lda text,y ; get a character from address (text + Y) beq done ; if the character is NULL, branch to done sta SCREEN,y ; store character at (SCREEN + Y) iny ; increment Y (go to next character) bne char ; repeat loop

done: brk ; when we're done, break (stop the program)

text: ; this is the text message