Start:  ; Screen size 32(Y) * 24(X) characters.

; Print numbers using the ‘line number’ ROM routine
; Screen size = 32(X) * 24(Y) characters
    ld a, 22    ; Ctrl character for 'print at'
    rst 16      ; Send it to the screen
    ld a, 12    ; X coordinate
    rst 16      ; Send it to the screen
    ld a, 12    ; Y coordinate
    rst 16      ; Send it to the screen
    ld bc, 50   ; Number to print
    call 6683   ; Use the 'line number' routine in ROM

; Print numbers using the ‘stack bc’ & the
; ‘Top of calculator stack’ ROM routines

    ld a, 22    ; Ctrl character for 'print at'.
    rst 16      ; Send it to the screen.
    ld a, 12    ; X coordinate.
    rst 16      ; Send it to the screen.
    ld a, 16    ; Y coordinate.
    rst 16      ; Send it to the screen.
    ld bc, 100  ; Number to print
    call 11563      ; Use the 'stack bc' routine in ROM
            ; to put the contents of bc on the stack.
    call 11747      ; Display top of calculator stack.


quit:   jp quit