27 files changed, 20 insertions, 0 deletions

diff --git a/apps/assort b/apps/assort
index bc4b2eb9..7cbf2e7a 100755
--- a/apps/assort
+++ b/apps/assort
Binary files differdiff --git a/apps/braces b/apps/braces
index e7618b4e..864662ef 100755
--- a/apps/braces
+++ b/apps/braces
Binary files differdiff --git a/apps/calls b/apps/calls
index 16a1c90b..e4c185ed 100755
--- a/apps/calls
+++ b/apps/calls
Binary files differdiff --git a/apps/crenshaw2-1 b/apps/crenshaw2-1
index 34a50dcb..0791f0c4 100755
--- a/apps/crenshaw2-1
+++ b/apps/crenshaw2-1
Binary files differdiff --git a/apps/crenshaw2-1b b/apps/crenshaw2-1b
index cc00dc48..3b5d0bef 100755
--- a/apps/crenshaw2-1b
+++ b/apps/crenshaw2-1b
Binary files differdiff --git a/apps/dquotes b/apps/dquotes
index a49d897d..a9ba6ab5 100755
--- a/apps/dquotes
+++ b/apps/dquotes
Binary files differdiff --git a/apps/ex1 b/apps/ex1
index 5f17bc66..16371a7b 100755
--- a/apps/ex1
+++ b/apps/ex1
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index cb8973fe..9529b921 100755
--- a/apps/ex10
+++ b/apps/ex10
Binary files differdiff --git a/apps/ex11 b/apps/ex11
index 1cb1aa5c..ffc1b034 100755
--- a/apps/ex11
+++ b/apps/ex11
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index 80e5deeb..40ba51f5 100755
--- a/apps/ex12
+++ b/apps/ex12
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index 6a4c16b8..46652134 100755
--- a/apps/ex13
+++ b/apps/ex13
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index 5e0c1be1..2e1e0de8 100755
--- a/apps/ex2
+++ b/apps/ex2
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index af787c11..e554f535 100755
--- a/apps/ex3
+++ b/apps/ex3
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index 35ade1ee..b8f93eb9 100755
--- a/apps/ex4
+++ b/apps/ex4
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index 805cadc3..a3c4f494 100755
--- a/apps/ex5
+++ b/apps/ex5
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index 06fdfd7b..2fcd0897 100755
--- a/apps/ex6
+++ b/apps/ex6
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index 0a535d45..731f4c21 100755
--- a/apps/ex7
+++ b/apps/ex7
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index 78f1773d..6cb660fb 100755
--- a/apps/ex8
+++ b/apps/ex8
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index 5140cf68..e067b833 100755
--- a/apps/ex9
+++ b/apps/ex9
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index 92e0523a..8d73facb 100755
--- a/apps/factorial
+++ b/apps/factorial
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index cd183977..806481f0 100755
--- a/apps/hex
+++ b/apps/hex
Binary files differdiff --git a/apps/mu b/apps/mu
index 700919ca..1e372839 100755
--- a/apps/mu
+++ b/apps/mu
Binary files differdiff --git a/apps/pack b/apps/pack
index 22a66caf..997c34dd 100755
--- a/apps/pack
+++ b/apps/pack
Binary files differdiff --git a/apps/screen.mu b/apps/screen.mu
new file mode 100644
index 00000000..4f36809e
--- /dev/null
+++ b/apps/screen.mu
@@ -0,0 +1,20 @@
+# test some primitives for text-mode 
+
+fn main -> exit-status/ebx: int {
+  var nrows/eax: int <- copy 0
+  var ncols/ecx: int <- copy 0
+  nrows, ncols <- screen-size
+  enable-screen-grid-mode
+  move-cursor 5, 35
+  start-color 1, 0x7a
+  start-blinking
+  print-string "Hello world!"
+  reset-formatting
+  move-cursor 6, 35
+  print-string "tty dimensions: "
+  print-int32-to-screen nrows
+  print-string " rows, "
+  print-int32-to-screen ncols
+  print-string " rows\n"
+  exit-status <- copy 0
+}
diff --git a/apps/sigils b/apps/sigils
index 76becaf3..ef6518ec 100755
--- a/apps/sigils
+++ b/apps/sigils
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index 018e9fa7..c1c8e9c5 100755
--- a/apps/survey
+++ b/apps/survey
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index 4b1eea42..408ead69 100755
--- a/apps/tests
+++ b/apps/tests
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