ON 20030602@8:10:23 AM at page: http://www.piclist.orgmicrochip/math/radix/ah2b-1d4b.htm amc-SCS-P34a alice m campbell published post 37774.0743865741
I think the correct conversion code from Tracy Smith should read :

  addlw -'A'          ; expect upper case letters
  skpc
  addlw 'A' - 0x18 -'0'
  addlw 0x11
|Delete 'P-' before: '' but after: '