Mercurial > hg > Members > kono > nitros9-code

view lib/alib/to_lower.a @ 2765:0bd16cca86b7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Updated rules.mak for all the os9 format's to format the entire disk. People were having some issues with the disk images not being formatted to their full capacity and preventing some functions from working.
author drencor-xeen
date Thu, 17 Jan 2013 11:03:26 -0600
parents 7d70b7e1cb21
children aaba193af04f
line wrap: on
line source

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

* Convert character in "B" to lowercase

* OTHER MODULES NEEDED: IS_UPPER

* ENTRY: B=ascii value of character to convert

* EXIT: B=ascii value of character in lowercase

* Note: control codes, etc. are not effected.


 nam Convert Char to Lowercase
 ttl Assembler Library Module


 psect TO_LOWER,0,0,0,0,0

TO_LOWER:
 pshs cc
 lbsr IS_UPPER only uppercase can be converted
 bne tolox no upper, exit
 addb #$20 make lowercase

tolox
 puls cc,pc

 endsect