Add comments to the cputs() and cputc() sources about the former relying on

the latter not to clobber ptr1.
2025-07-04 11:20:35 +02:00
parent 29f7ab3809
commit 947eecb65c
23 changed files with 50 additions and 1 deletions
--- a/libsrc/telestrat/cputc.s
+++ b/libsrc/telestrat/cputc.s
@@ -1,8 +1,10 @@
 ; 2018-04-13, Jede (jede@oric.org)
 ;
-
+;
 ; void cputc (char c);
 ;
+; Important note: The implementation of cputs() relies on the cputc() function
+; not clobbering ptr1. Beware when rewriting or changing this function!

        .export         _cputc, _cputcxy, cputdirect, display_conio
        .export         CHARCOLOR, OLD_CHARCOLOR, BGCOLOR, OLD_BGCOLOR