Added "popptr1" which is of common use to save some bytes.

2018-05-20 15:30:18 +02:00
parent 3a6430b13d
commit c95ed4b8b5
35 changed files with 113 additions and 151 deletions
--- a/libsrc/common/strncat.s
+++ b/libsrc/common/strncat.s
@@ -6,7 +6,7 @@
 ;

        .export         _strncat
-        .import         popax
+        .import         popax, popptr1
        .importzp       ptr1, ptr2, ptr3, tmp1, tmp2
        .macpack        cpu
        
@@ -17,9 +17,7 @@ _strncat:
    eor #$FF
    sta tmp2
    
-    jsr popax       ; get src
-    sta ptr1
-    stx ptr1+1
+    jsr popptr1     ; get src

    jsr popax       ; get dest
    sta ptr3        ; remember for function return