adapted SCREEN rioutine to MEGA65 native mode

src/kernal/screen_m65/mega65_screen_table_height.s

@@ -0,0 +1,9 @@
+// #LAYOUT# M65 KERNAL_0 #TAKE
+// #LAYOUT# *   *        #IGNORE
+
+
+m65_scrtab_txtheight:        // height of the text screen
+
+	.byte 25
+	.byte 25
+	.byte 50

src/kernal/screen_m65/mega65_screen_table_width.s

@@ -0,0 +1,9 @@
+// #LAYOUT# M65 KERNAL_0 #TAKE
+// #LAYOUT# *   *        #IGNORE
+
+
+m65_scrtab_txtwidth:         // width of the text screen (logical width is always set to 80)
+
+	.byte 40
+	.byte 80
+	.byte 80

src/kernal/screen_m65/mega65_screen_tables.s

@@ -8,18 +8,6 @@ m65_scrtab_vic_ctrlb:        // parameters for VIC control register B
 	.byte %10100000 // 80x25 + extended attributes
 	.byte %10100100 // 80x50 + extended attributes
 
-m65_scrtab_txtwidth:         // width of the text screen (logical width is always set to 80)
-
-	.byte 40
-	.byte 80
-	.byte 80
-
-m65_scrtab_txtheight:        // height of the text screen
-
-	.byte 25
-	.byte 25
-	.byte 50
-
 m65_scrtab_viewmax_lo:       // maximum allowed viewport start - low byte
 
 	.byte $B0