moved new MEGA65 keyboard handler to separate ROM segment

src/kernal/board_m65/C000.mega65_vectable_kernal_C.s

@@ -17,5 +17,5 @@
 
 	; Vector table (Open ROMs private!)
 
-	!word $0000
+	!word m65_scnkey
 }

src/kernal/board_m65/mega65_imports_C.s

@@ -0,0 +1,13 @@
+;; #LAYOUT# M65 KERNAL_C #TAKE
+;; #LAYOUT# *   *        #IGNORE
+
+;; #IMPORT# KERNAL_0 = KERNAL_0_combined.sym
+
+;
+; Definitions for calling MEGA65 segment KERNAL_0 routines from KERNAL_C
+;
+
+;; #ALIAS# m65_scnkey_init_pressed         = KERNAL_0.m65_scnkey_init_pressed
+;; #ALIAS# scnkey_buffer_full              = KERNAL_0.scnkey_buffer_full
+;; #ALIAS# kb_matrix_bucky_shflag          = KERNAL_0.kb_matrix_bucky_shflag
+;; #ALIAS# __kb_matrix_normal              = KERNAL_0.__kb_matrix_normal

src/kernal/keyboard/scnkey.s

@@ -37,7 +37,28 @@ SCNKEY:
 !ifdef CONFIG_MB_M65 { !ifdef CONFIG_M65_KB_DEV {
 
 	jsr M65_MODEGET
-	+bcc m65_scnkey
+	bcs scnkey_legacy_mode
+
+	; Map KERNAL_C segment
+
+	lda VIC_CTRLA
+	pha
+	ora #%00100000
+	sta VIC_CTRLA
+
+	; Call the native mode routine
+
+	jsr (VKC__m65_scnkey)
+
+	; Restore mapping and quit
+
+	pla
+	sta VIC_CTRLA
+
+	rts
+
+scnkey_legacy_mode:
+
 } }
 
 	; Prepare for SHFLAG update

src/kernal/keyboard_m65/mega65_scnkey.s

@@ -1,4 +1,4 @@
-;; #LAYOUT# M65 KERNAL_0 #TAKE
+;; #LAYOUT# M65 KERNAL_C #TAKE
 ;; #LAYOUT# *   *        #IGNORE
 
 
@@ -127,6 +127,8 @@ m65_scnkey_next_1:
 	dex
 	bpl m65_scnkey_loop_1
 
+	rts
+
 	;
 	; Analyze currently and previously pressed keys
 	;
@@ -156,6 +158,8 @@ m65_scnkey_output_key:
 
 	; Put the key into the keyboard buffer
 
+	inc $D020
+
 	tya
 	ldy NDX
 	sta KEYD, y