adapted to Kick Assembler, some documentation update

c64/kernal/f13e.getin.s

@@ -1,27 +1,27 @@
 
-;;
-;; Official Kernal routine, described in:
-;;
-;; - [RG64] C64 Programmer's Reference Guide   - page 283
-;; - [CM64] Compute's Mapping the Commodore 64 - page 227/228
-;;
-;; CPU registers that has to be preserved (see [RG64]): .X, .Y
-;;
+//
+// Official Kernal routine, described in:
+//
+// - [RG64] C64 Programmer's Reference Guide   - page 283
+// - [CM64] Compute's Mapping the Commodore 64 - page 227/228
+//
+// CPU registers that has to be preserved (see [RG64]): .X, .Y
+//
 
-;; XXX currently does not preserve registers, to be fixed!
+// XXX currently does not preserve registers, to be fixed!
 
-getin:
+GETIN:
 
-	;; Wait for a key
+	// Wait for a key
 	lda keys_in_key_buffer
-	bne +
+	bne !+
 
-	;; Nothing in keyboard buffer to read
+	// Nothing in keyboard buffer to read
 	sec
 	lda #$00
 	rts
 	
-*
+!:
 	lda keyboard_buffer
 	pha