Split of the lruntime module

git-svn-id: svn://svn.cc65.org/cc65/trunk@427 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-11-01 22:03:22 +00:00
parent 8f83a48602
commit 7bb82698d1
6 changed files with 138 additions and 108 deletions
--- a/libsrc/runtime/steaxspp.s
+++ b/libsrc/runtime/steaxspp.s
@@ -0,0 +1,37 @@
+;
+; Ullrich von Bassewitz, 22.06.1998
+;
+; CC65 runtime: Store eax at the address on top of stack.
+;
+
+
+	.export	    	steaxspp
+	.import		popax
+	.importzp	sreg, ptr1
+
+.proc	steaxspp
+
+	pha
+	txa
+	pha
+	jsr	popax		; get address
+	sta	ptr1
+	stx	ptr1+1
+	ldy	#3
+	lda 	sreg+1
+	sta	(ptr1),y
+	dey
+	lda	sreg
+	sta	(ptr1),y
+	dey
+	pla
+	tax
+	sta	(ptr1),y
+	dey
+	pla
+	sta	(ptr1),y
+	rts
+
+.endproc
+
+