$C8B6/51382: Erase dir entry Jump from $C842, $D8D3, $EDDF: C8B6: A0 00 LDY #$00 C8B8: 98 TYA C8B9: 91 94 STA ($94),Y ; set file type to zero C8BB: 20 5E DE JSR $DE5E ; write block C8BE: 4C 99 D5 JMP $D599 ; and check Previous Page / Next Page