Added additional entry points that clear the high word of the right operand.

git-svn-id: svn://svn.cc65.org/cc65/trunk@4023 b7a2c559-68d2-44c3-8de9-860c34a00d81
2009-08-15 20:58:35 +00:00
parent d0f9a0d6a7
commit b1f772e9be
6 changed files with 42 additions and 11 deletions
--- a/libsrc/runtime/ladd.s
+++ b/libsrc/runtime/ladd.s
@@ -4,7 +4,7 @@
 ; CC65 runtime: long add
 ;

-	.export		tosaddeax
+	.export		tosadd0ax, tosaddeax
 	.import		addysp1
 	.importzp	sp, sreg, tmp1

@@ -12,6 +12,11 @@

 ; EAX = TOS + EAX

+tosadd0ax:
+        ldy     #$00
+        sty     sreg
+        sty     sreg+1
+
 tosaddeax:
      	clc
 .if (.cpu .bitand CPU_ISET_65SC02)