PROCEDURE SUMMARY

String Input
     Read_String              accepts any string input
     Read_String_Upper        forces characters to upper case
     Read_Password            suppresses character echo
     Read_Alpha               accepts only alpha characters
     Read_YN                  accepts a 'Y' or 'N'
Number Input
     Read_Byte                updates byte variable
     Read_Word                updates word variable
     Read_Int                 updates integer variable
     Read_LongInt             updates longint variable
     Read_Real                updates real variable
Special Input
     Read_Select              displays scrollable selection list