{| class="wikitable" style="text-align:center;"
|-
! rowspan="2" | Register !! colspan="8" | Bit Position !! rowspan="2" | Function !! rowspan="2" | Range (BCD)
|-
! 7 || 6 || 5 || 4 || 3 || 2 || 1 || 0
{| class="wikitable" style="text-align:center;"
|-
! rowspan="2" | Register !! colspan="8" | Bit Position !! rowspan="2" | Function !! rowspan="2" | Range (BCD)
|-
! 7 || 6 || 5 || 4 || 3 || 2 || 1 || 0