more work on documenting residual similarities with C64 KERNAL

c64/kernal/chrin.s

@@ -27,8 +27,8 @@ chrin_repeat:
 	sta keyboard_input_ready
 	pla
 	tax
-	lda #$0d
 	clc
+	lda #$0d
 	rts
 
 not_end_of_input:
@@ -100,8 +100,8 @@ empty_line:
 	;; the cursor advances and screen scrolls as required)
 	pla
 	tax
-	lda #$0d
 	clc
+	lda #$0d
 	rts
 	
 not_enter:	

c64/kernal/scan_keyboard.s

@@ -220,7 +220,7 @@ Main:
 	;; //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 	;; // Check for Port Activity
 
-	sty $dc00       ;// Connect all Keyboard Rows
+	stx $dc00       ;// Connect all Keyboard Rows
 	cpx $dc01
 	bne skip0
 	jmp NoActivityDetected