@opt stack_pointer RF
@opt csr_scratch RH
@use ext_std:*

; bootstrap code (must be called to setup mandatory data)
; will jump to label main
@include bootstrap

@label main
  ; set graphics mode to gr_text_mode
  ldi vt_gr_mode_addr RA
  ldr RA RA
  ldi gr_text_mode RB
  str RB RA

@label loop
  jpi loop