started rework to fix MEGA65 extra keys

src/,,config_mega65.s

@@ -54,6 +54,8 @@
 ;; #CONFIG# JOY1_CURSOR                NO
 ;; #CONFIG# JOY2_CURSOR                NO
 
+;; #CONFIG# CONFIG_M65_KB_DEV          NO        ; for development, keep disabled
+
 ;; #CONFIG# PROGRAMMABLE_KEYS          YES
 
 ;; #CONFIG# KEYCMD_RUN                 "RUN"

src/kernal/keyboard/scnkey.s

@@ -34,6 +34,12 @@
 
 SCNKEY:
 
+!ifdef CONFIG_MB_M65 { !ifdef CONFIG_M65_KB_DEV {
+
+	jsr M65_MODEGET
+	+bcc m65_scnkey
+} }
+
 	; Prepare for SHFLAG update
 
 	lda SHFLAG

src/kernal/keyboard_m65/mega65_scnkey.s

@@ -0,0 +1,7 @@
+;; #LAYOUT# M65 KERNAL_0 #TAKE
+;; #LAYOUT# *   *        #IGNORE
+
+
+m65_scnkey:
+
+	rts