Finalize update t SDCC 4.2

Overall a gain of 2K of memory, not bad at all!
diff --git a/contiki-cpc/ctk/ctk-conio-service.c b/contiki-cpc/ctk/ctk-conio-service.c
index 3985711..08f52c1 100644
--- a/contiki-cpc/ctk/ctk-conio-service.c
+++ b/contiki-cpc/ctk/ctk-conio-service.c
@@ -56,6 +56,19 @@
 // The revers function does nothing in our conio driver anyway.
 #define revers(x)
 
+#if 0
+static void revers(bool invert)
+{
+	static bool isInverted;
+	if (isInverted == invert)
+		return;
+
+	__asm
+		call 0xBB9C
+	__endasm
+}
+#endif
+
 /*-----------------------------------------------------------------------------------*/
 static void
 s_ctk_draw_init(void)
@@ -189,7 +202,7 @@
 	} else {
 	  revers(wfocus != 0 && j == w->widget.textentry.ypos);
 	  cvlinexy(xpos, ypos, 1);
-	  gotoxy(xpos + 1, ypos);          
+	  gotoxy(xpos + 1, ypos);
 	  cputsn(text, w->w);
 	  i = wherex();
 	  if(i - xpos - 1 < w->w) {
@@ -300,13 +313,13 @@
 	// - Y1
 	// - X1
   __asm
+		LD d,l
+		LD e,A
+
 		pop bc ; RV
 		pop hl ; x1 y1
 		push bc
 
-		LD d,l
-		LD e,A
-
 		call	0xBB99 ; TXT GET PAPER
 
 		; A contains PAPER number