89 ldx #$08 ; 8 bytes/char
93 sta a:VDC_DATA_LO ; bitplane 0
94 stz a:VDC_DATA_HI ; bitplane 1
96 clc ; increment font pointer
104 bne lineloop ; next bitplane 0 byte
105 ldx #$08 ; fill bitplane 2/3 with 0
110 bne fillloop ; next byte
112 bne charloop ; next character