*****************************************

* See if character in "B" is a uppercase letter

* OTHER MODULES NEEDED: none

* ENTRY: B=character to test

* EXIT: CC zero=1 if uppercase, 0 if not

 nam Is Char Uppercase?
 ttl Assembler Library Module


 section .text


IS_UPPER:
 cmpb #'A 
 blo no not uppercase, zero cleared
 cmpb #'Z if equal, zero set
 bhi no not upperc, zero cleared
 orcc #%00000100 set zero

no
 rts

 endsect