Insure virtual screen dimensions support maximum zoom out with mintty on 180p

screensize.cmd

@@ -0,0 +1,10 @@
+# Visualize Screen Dimensions
+insert-string &cat $curwidth &cat "x" $pagelen
+insert-string &rig "---------+" &sub 10 $curcol
+&sub &div $curwidth 10 1 insert-string "---------+"
+insert-string &lef "1234567890" &mod $curwidth 10
+end-of-file
+&sub $pagelen 3 execute-command-line "insert-string &cat $curline ~n"
+beginning-of-file
+unmark-buffer
+write-message $line

tcap.c

@@ -88,8 +88,8 @@ static char *CS, *DL, *AL, *SF, *SR;
 #endif
 
 struct terminal term = {
-	210,	/* actual 204 on 1920x1080 landscape terminal window */
-	500,	/* actual 475 */
+	270,	/* actual 269 on 1920x1080 landscape terminal window */
+	1910,	/* actual 1901 */
 	0,		/* These four values are set dynamically at open time. */
 	0,
 	0,