Replaced the incsp functions by faster (but slightly larger) versions

git-svn-id: svn://svn.cc65.org/cc65/trunk@2146 b7a2c559-68d2-44c3-8de9-860c34a00d81
2003-05-04 22:34:16 +00:00
parent cfe7a8c246
commit 1cdb90926a
6 changed files with 70 additions and 45 deletions
--- a/libsrc/runtime/incsp6.s
+++ b/libsrc/runtime/incsp6.s
@@ -1,20 +1,24 @@
 ;
-; Ullrich von Bassewitz, 25.10.2000
+; Ullrich von Bassewitz, 2003-05-04
 ;
 ; CC65 runtime: Increment the stackpointer by 6
 ;

       	.export		incsp6
-	.import		addysp
+        .importzp       sp

 .proc	incsp6

-	ldy   	#6
-	jmp   	addysp
+        lda     sp
+        clc
+        adc     #6
+        sta     sp
+        bcs     @L1
+        rts
+
+@L1:    inc     sp+1
+        rts

 .endproc

-
-
-
-	
+