switching from MEGA65 native mode to legacy mode works now

src/kernal/board_m65/mega65_viciv_init.s

@@ -0,0 +1,27 @@
+// #LAYOUT# M65 KERNAL_0 #TAKE
+// #LAYOUT# *   *        #IGNORE
+
+//
+// Routine to initialize VIC-IV for entering MEGA65 native mode
+//
+
+
+viciv_init:
+
+	// Switch VIC to VIC-IV mode
+
+	jsr viciv_unhide
+
+	// Disable badlines and slow interrupt emulation
+
+	lda #$00
+	sta MISC_EMU
+
+	// Set misc VIC-IV flags
+
+	lda #%01000000  // enable C65 character set
+	sta VIC_CTRLA
+
+	// XXX enable 48 MHz mode in VIC_CTRLC
+
+	rts