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/lrsub.s
+++ b/libsrc/runtime/lrsub.s
@@ -0,0 +1,33 @@
+;
+; Ullrich von Bassewitz, 05.08.1998
+;
+; CC65 runtime: long sub reversed
+;
+
+;
+; EAX = EAX - TOS
+;
+	.export		tosrsubeax
+	.import		addysp1
+	.importzp	sp, sreg, tmp1
+
+tosrsubeax:
+      	ldy	#0
+       	sec
+	sbc	(sp),y	       	; byte 0
+       	sta    	tmp1	       	; use as temp storage
+	txa
+	iny
+	sbc	(sp),y	       	; byte 1
+	tax
+	iny
+	lda	sreg
+	sbc	(sp),y	       	; byte 2
+	sta	sreg
+	iny
+	lda	sreg+1
+	sbc	(sp),y	       	; byte 3
+	sta	sreg+1
+	lda	tmp1
+       	jmp    	addysp1		; drop TOS
+