toggling character sets now works in MEGA65 native mode too

src/kernal/screen_m65/mega65_chrout_screen_control.s

@@ -92,10 +92,5 @@ m65_chrout_screen_TAB_SET_CLR:
 m65_chrout_screen_ESC:
 	nop
 m65_chrout_screen_BELL:
-	nop
-m65_chrout_screen_GFX:
-	nop
-m65_chrout_screen_TXT:
-	nop
 
 	jmp m65_chrout_screen_done

src/kernal/screen_m65/mega65_chrout_screen_control_2.s

@@ -62,6 +62,22 @@ m65_chrout_screen_HOME:
 	jsr M65_HOME
 	jmp_8 m65_chrout_screen_ctrl2_end
 
+// Character set switching
+
+m65_chrout_screen_GFX:
+	
+	lda VIC_CHARPTR+1
+	ora #%00001000
+!:
+	sta VIC_CHARPTR+1
+	jmp_8 m65_chrout_screen_ctrl2_end
+
+m65_chrout_screen_TXT:
+
+	lda VIC_CHARPTR+1
+	and #%11110111
+	jmp_8 !-
+
 // INS key
 
 m65_chrout_screen_INS:

src/kernal/screen_m65/mega65_scrmodeset.s

@@ -87,6 +87,16 @@ m65_scrmodeset_internal: // entry point for M65_MODE65
 	stx VIC_COLPTR+0
 	stx VIC_COLPTR+1
 
+	// Set the following location:
+	// - VIC_CHARPTR                   - for character generator location
+	
+	lda #<MEMCONF_CHRBASE
+	sta VIC_CHARPTR+0
+	lda #>MEMCONF_CHRBASE
+	sta VIC_CHARPTR+1
+	lda #$01
+	sta VIC_CHARPTR+2
+
 	// Set the following locations:
 	// - M65_SCRGUARD, M65_COLGUARD    - guards for virtual screen end
 	// - M65_COLVIEWMAX                - guard for viewport start