Call __seterrno instead of assigning to _errno and save a few bytes.

[cc65] / libsrc / runtime / umul16x16r32.s

diff --git a/libsrc/runtime/umul16x16r32.s b/libsrc/runtime/umul16x16r32.s
index d86162c7a6f67449fc849d97814863080c083235..1f3efb65c996174343d765aa17821a7d847192df 100644 (file)
--- a/libsrc/runtime/umul16x16r32.s
+++ b/libsrc/runtime/umul16x16r32.s
@@ -4,23 +4,21 @@
 ; CC65 runtime: 16x16 => 32 unsigned multiplication
 ;
 
-        .export         _cc65_umul16x16r32, umul16x16r32, umul16x16r32m
-        .import         popax
-       .importzp       ptr1, ptr3, sreg
+        .export         umul16x16r32, umul16x16r32m
+
+        .include        "zeropage.inc"
 
 
 ;---------------------------------------------------------------------------
 ; 16x16 => 32 unsigned multiplication routine.
 ;
-;   lhs         rhs           result          result also in
-; -------------------------------------------------------------
-;   ptr1        ax            ax:sreg          ptr1:sreg
+;  routine         lhs         rhs        result          result also in
+; -----------------------------------------------------------------------
+;  umul16x16r32    ptr1        ax         ax:sreg          ptr1:sreg
+;  umul16x16r32m   ptr1        ptr3       ax:sreg          ptr1:sreg
+;
+; ptr3 is left intact by the routine.
 ;
-
-_cc65_umul16x16r32:
-        sta     ptr1
-        stx     ptr1+1
-        jsr     popax
 
 umul16x16r32:
         sta     ptr3