view lib/kreiderclib/case.as @ 3162:c44cd20907bd

sysgo.asm: Delete trailing whitespace, fix indent (no functional change) Add comments and vertical whitespace for readability.
author Neal Crook <foofoobedoo@gmail.com>
date Thu, 06 Apr 2017 22:04:46 +0100
parents 1647f1874cdf
children
line wrap: on
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* 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