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-rw-r--r--apps/ex15.mu24
1 files changed, 19 insertions, 5 deletions
diff --git a/apps/ex15.mu b/apps/ex15.mu
index 3f0d32bc..51bfc1db 100644
--- a/apps/ex15.mu
+++ b/apps/ex15.mu
@@ -14,11 +14,15 @@
 #   2. Run:
 #       qemu-system-i386 -hda code.img -hdb data.img
 #
-# Expected output:
-#   'à' in green in a few places near the top-left corner of screen, showing off
-#   what this approach can and cannot do.
+# Expected output, showing off what this approach can and cannot do:
+#   'à' in green in a few places near the top-left corner of screen, with
+#   other letters nearby showing cases where characters blend to the eye.
 #
-#   A few Devanagari letter combinations.
+#   A few Devanagari letter combinations. Devanagari works well except for
+#   characters blending together.
+#
+#   A few Tamil letter combinations. Tamil often doesn't look right, and
+#   requires ligatures for many letter combinations.
 #
 #   Others? (Patches welcome.) I suspect Tibetan in particular will not work
 #   well with this approach. But I need native readers to assess quality.
@@ -78,7 +82,7 @@ fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk)
   var dummy/eax: int <- draw-code-point-on-real-screen 0x0915/devanagari-letter-ka, 0x13/x 9/y, 3/fg 0/bg
   var dummy/eax: int <- overlay-code-point-on-real-screen 0x0903/devanagari-visarga, 0x13/x 9/y, 3/fg 0/bg
 
-  # render the same letters as a single stream of utf-8 graphemes rather than individual code-points.
+  # render the same devanagari letters as a single stream of utf-8 graphemes rather than individual code-points.
   var text-storage: (stream byte 0x200)
   var text/esi: (addr stream byte) <- address text-storage
   var g/eax: grapheme <- to-grapheme 0x0915/devanagari-letter-ka
@@ -132,4 +136,14 @@ fn main screen: (addr screen), keyboard: (addr keyboard), data-disk: (addr disk)
   # render everything
   set-cursor-position screen, 4/x 0xe/y
   draw-stream-wrapping-right-then-down-from-cursor-over-full-screen screen, text, 3/fg 0/bg
+
+  # a stream of tamil graphemes (with interspersed spaces for clarity) that don't look the same in Mu
+  set-cursor-position 0, 4/x 0x12/y
+  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0, "எ ஃ கு ", 3/fg 0/bg
+  set-cursor-position 0, 4/x 0x13/y
+  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0, "அ ன் று ", 3/fg 0/bg
+  set-cursor-position 0, 4/x 0x14/y
+  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0, "அ தா வ து " , 3/fg 0/bg
+  set-cursor-position 0, 4/x 0x15/y
+  draw-text-wrapping-right-then-down-from-cursor-over-full-screen 0, "அ ஃ தா ன் று ", 3/fg 0/bg
 }