* Disassembly by Os9disasm of case.r

 section code

toupper: clra   
 ldb   3,s 
 leax  _chcodes,y 
 lda   d,x 
 anda  #4 
 beq   L0022 
 andb  #$df 
 clra   
 rts    
tolower: clra   
 ldb   3,s 
 leax  _chcodes,y 
 lda   d,x 
 anda  #2 
 beq   L0022 
 orb   #$20 
 clra   
 rts    
L0022 ldd   2,s 
 rts    

 endsect