temporary workaround for MEGA65 DevKit vs XEMU behaviour difference, fixes C64 mode

src/,,config_mega65.s

@@ -110,3 +110,8 @@
 ; --- Other
 
 ;; #CONFIG# COMPRESSION_LVL_2          NO
+
+
+; --- Temporary hotfixes
+
+;; #CONFIG# HOTFIX_CHARPTR             YES

src/kernal/screen_m65/mega65_scrmodeset.s

@@ -91,6 +91,8 @@ m65_scrmodeset_internal: ; entry point for M65_MODE65
 	stx VIC_COLPTR+0
 	stx VIC_COLPTR+1
 
+!ifndef CONFIG_HOTFIX_CHARPTR {
+
 	; Set the following location:
 	; - VIC_CHARPTR                   - for character generator location
 	
@@ -100,6 +102,7 @@ m65_scrmodeset_internal: ; entry point for M65_MODE65
 	sta VIC_CHARPTR+1
 	lda #$01
 	sta VIC_CHARPTR+2
+}
 
 	; Set the following locations:
 	; - M65_SCRGUARD, M65_COLGUARD    - guards for virtual screen end