X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=src%2Fcc65%2Fcoptadd.h;h=cc2afe48b8e1abcfeef9af4a21bff0287db6810c;hb=7aefd9b4e7b67908b7b3c38b6003c7f1a8d3ee2d;hp=545552bcd2fe70143874fee7b16520cf3a9ea51a;hpb=21111ba235f184c962985fd79c4782eaa5990c83;p=cc65

diff --git a/src/cc65/coptadd.h b/src/cc65/coptadd.h
index 545552bcd..cc2afe48b 100644
--- a/src/cc65/coptadd.h
+++ b/src/cc65/coptadd.h
@@ -6,10 +6,10 @@
 /*                                                                           */
 /*                                                                           */
 /*                                                                           */
-/* (C) 2001      Ullrich von Bassewitz                                       */
-/*               Wacholderweg 14                                             */
-/*               D-70597 Stuttgart                                           */
-/* EMail:        uz@cc65.org                                                 */
+/* (C) 2001-2005, Ullrich von Bassewitz                                      */
+/*                Römerstrasse 52                                            */
+/*                D-70794 Filderstadt                                        */
+/* EMail:         uz@cc65.org                                                */
 /*                                                                           */
 /*                                                                           */
 /* This software is provided 'as-is', without any expressed or implied       */
@@ -97,6 +97,47 @@ unsigned OptAdd2 (CodeSeg* S);
  */
 
 unsigned OptAdd3 (CodeSeg* S);
+/* Search for the sequence
+ *
+ *  	jsr     pushax
+ *     	ldx     #$00
+ *      lda     xxx
+ *      jsr     tosaddax
+ *
+ * and replace it by
+ *
+ *      clc
+ *      adc     xxx
+ *      bcc     L1
+ *      inx
+ * L1:
+ */                           
+
+unsigned OptAdd4 (CodeSeg* S);
+/* Search for the sequence
+ *
+ *  	jsr     pushax
+ *      lda     xxx
+ *     	ldx     yyy
+ *      jsr     tosaddax
+ *
+ * and replace it by
+ *
+ *      clc
+ *      adc     xxx
+ *      pha
+ *      txa
+ *      adc     yyy
+ *      tax
+ *      pla
+ */
+
+unsigned OptAdd5 (CodeSeg* S);
+/* Search for a call to incaxn and replace it by an 8 bit add if the X register
+ * is not used later.
+ */
+
+unsigned OptAdd6 (CodeSeg* S);
 /* Search for the sequence
  *
  *  	adc     ...