Added function setdss to library 'stddef'

doc/stddef.txt

@@ -53,6 +53,13 @@ The following functions are defined:
                         most significant byte, passed in the Y 
                         register, to desthi.
 
+  setdss();             Sets the destination pointer to the source 
+                        pointer.
+
+                        Note: Calls the getsrc function, followed by
+                        the setdst function, copying srclo and srchi
+                        to dstlo and dsthi, respectively.
+
   setsrd();             Sets the source pointer to the destination 
                         pointer.
 

include/stddef.a02

@@ -28,6 +28,10 @@ RESRXY: LDX TEMP1   ;Load X Index
         LDY TEMP2   ;Load Y Index
         RTS
 
+;Set Destinatioon Pointer to Source Pointer
+SETDSS: JSR GETSRC  ;Get Destination Pointer
+        JMP SETDST  ;Store in Source Pointer
+
 ;Restore Destination Pointer
 RESDST: JSR RESRXY  ;Load Address and Drop into SETDST
 

include/stddef.h02

@@ -37,6 +37,9 @@ void savrxy();
 /* Save Source Pointer */
 void savsrc(); 
 
+/* Set Destination Pointer to Source Pointer */
+void setdss();  
+
 /* Set Destination Pointer        *
  * Args: &d - Destination address */
 void setdst();