collapseos/blk/555

( Required config: LCD_MEM )
: _mem+ [ LCD_MEM LITN ] @ + ;
: FNTW 3 ; : FNTH 5 ;
( Wait until the lcd is ready to receive a command. It's a bit
  weird to implement a waiting routine in asm, but the forth
  version is a bit heavy and we don't want to wait longer than
  we have to. )
CODE _wait
    BEGIN,
        0x10 ( CMD ) INAi,
        RLA, ( When 7th bit is clr, we can send a new cmd )
    JRC, AGAIN,
;CODE