Added some 65C02 code.

git-svn-id: svn://svn.cc65.org/cc65/trunk@484 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-11-27 22:59:03 +00:00
parent 5be5b3763b
commit b4163d0e4e
11 changed files with 149 additions and 80 deletions
--- a/libsrc/runtime/and.s
+++ b/libsrc/runtime/and.s
@@ -11,13 +11,18 @@
 tosanda0:
      	ldx	#$00
 tosandax:
-	ldy	#0
+.ifpc02
+	and	(sp)		; 65C02 version, saves 2 cycles and 1 byte
+	ldy	#1
+.else
+      	ldy	#0
       	and	(sp),y
-	sta	ptr4
-	iny
-	txa
-	and	(sp),y
+      	iny
+.endif
+       	pha
+      	txa
+      	and	(sp),y
 	tax
-	lda	ptr4
+	pla
 	jmp	addysp1		; drop TOS, set condition codes