This commit was generated by cvs2svn to compensate for changes in r2,

which included commits to RCS files with non-trunk default branches. git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-05-28 13:40:48 +00:00
parent 579491e8a4
commit 53dd513176
847 changed files with 91345 additions and 0 deletions
--- a/libsrc/runtime/rsub.s
+++ b/libsrc/runtime/rsub.s
@@ -0,0 +1,29 @@
+;
+; Ullrich von Bassewitz, 05.08.1998
+;
+; CC65 runtime: sub ints reversed
+;
+
+       	.export	        tosrsuba0, tosrsubax
+	.import		addysp1
+	.importzp	sp, tmp1
+
+;
+; AX = AX - TOS
+;
+
+tosrsuba0:
+    	ldx 	#0
+tosrsubax:
+	ldy 	#0
+	sec
+	sbc	(sp),y	       	; lo byte
+	sta	tmp1	       	; save lo byte
+	txa
+	iny
+	sbc	(sp),y	       	; hi byte
+	tax
+	lda	tmp1
+	jmp	addysp1		; drop TOS, set condition codes
+
+