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-rw-r--r--020syscalls.cc3
-rwxr-xr-xapps/assortbin44404 -> 44412 bytes
-rwxr-xr-xapps/bracesbin46267 -> 46275 bytes
-rwxr-xr-xapps/callsbin50914 -> 50922 bytes
-rwxr-xr-xapps/crenshaw2-1bin43745 -> 43753 bytes
-rwxr-xr-xapps/crenshaw2-1bbin44292 -> 44300 bytes
-rwxr-xr-xapps/dquotesbin48026 -> 48034 bytes
-rwxr-xr-xapps/ex1bin205 -> 213 bytes
-rwxr-xr-xapps/ex10bin272 -> 280 bytes
-rwxr-xr-xapps/ex11bin1186 -> 1194 bytes
-rwxr-xr-xapps/ex12bin242 -> 250 bytes
-rwxr-xr-xapps/ex13bin219 -> 227 bytes
-rwxr-xr-xapps/ex2bin206 -> 214 bytes
-rwxr-xr-xapps/ex3bin223 -> 231 bytes
-rwxr-xr-xapps/ex4bin244 -> 252 bytes
-rwxr-xr-xapps/ex5bin244 -> 252 bytes
-rwxr-xr-xapps/ex6bin240 -> 248 bytes
-rwxr-xr-xapps/ex7bin374 -> 382 bytes
-rwxr-xr-xapps/ex8bin242 -> 250 bytes
-rwxr-xr-xapps/ex9bin236 -> 244 bytes
-rwxr-xr-xapps/factorialbin42848 -> 42856 bytes
-rwxr-xr-xapps/hexbin46584 -> 46592 bytes
-rwxr-xr-xapps/mubin341146 -> 341155 bytes
-rw-r--r--apps/mu.subx2
-rwxr-xr-xapps/packbin56983 -> 56991 bytes
-rwxr-xr-xapps/sigilsbin58636 -> 58644 bytes
-rwxr-xr-xapps/surveybin54336 -> 54344 bytes
-rwxr-xr-xapps/testsbin43176 -> 43184 bytes
-rw-r--r--apps/tile.mu60
-rw-r--r--init.linux5
30 files changed, 69 insertions, 1 deletions
diff --git a/020syscalls.cc b/020syscalls.cc
index be075426..84a6af34 100644
--- a/020syscalls.cc
+++ b/020syscalls.cc
@@ -79,6 +79,9 @@ void process_int80() {
     Reg[EAX].u = new_segment(/*length*/read_mem_u32(Reg[EBX].u+0x4));
     trace(Callstack_depth+1, "run") << "result: " << Reg[EAX].u << end();
     break;
+  case 0xa2:  // nanosleep
+    cerr << "not sleeping\n";
+    break;
   default:
     raise << HEXWORD << EIP << ": unimplemented syscall " << Reg[EAX].u << '\n' << end();
   }
diff --git a/apps/assort b/apps/assort
index e86d5472..f61cb556 100755
--- a/apps/assort
+++ b/apps/assort
Binary files differdiff --git a/apps/braces b/apps/braces
index e208f3de..1adc5fe4 100755
--- a/apps/braces
+++ b/apps/braces
Binary files differdiff --git a/apps/calls b/apps/calls
index 63624be8..e86af3dc 100755
--- a/apps/calls
+++ b/apps/calls
Binary files differdiff --git a/apps/crenshaw2-1 b/apps/crenshaw2-1
index b79a6253..513e5525 100755
--- a/apps/crenshaw2-1
+++ b/apps/crenshaw2-1
Binary files differdiff --git a/apps/crenshaw2-1b b/apps/crenshaw2-1b
index d0e31bf7..9e0fcc06 100755
--- a/apps/crenshaw2-1b
+++ b/apps/crenshaw2-1b
Binary files differdiff --git a/apps/dquotes b/apps/dquotes
index c0b11177..32c7604d 100755
--- a/apps/dquotes
+++ b/apps/dquotes
Binary files differdiff --git a/apps/ex1 b/apps/ex1
index 16371a7b..aec15656 100755
--- a/apps/ex1
+++ b/apps/ex1
Binary files differdiff --git a/apps/ex10 b/apps/ex10
index 9529b921..4e3a163d 100755
--- a/apps/ex10
+++ b/apps/ex10
Binary files differdiff --git a/apps/ex11 b/apps/ex11
index ffc1b034..bd1b754d 100755
--- a/apps/ex11
+++ b/apps/ex11
Binary files differdiff --git a/apps/ex12 b/apps/ex12
index 40ba51f5..d50e6db9 100755
--- a/apps/ex12
+++ b/apps/ex12
Binary files differdiff --git a/apps/ex13 b/apps/ex13
index 46652134..2f77063a 100755
--- a/apps/ex13
+++ b/apps/ex13
Binary files differdiff --git a/apps/ex2 b/apps/ex2
index 2e1e0de8..e18440e1 100755
--- a/apps/ex2
+++ b/apps/ex2
Binary files differdiff --git a/apps/ex3 b/apps/ex3
index e554f535..b594a24b 100755
--- a/apps/ex3
+++ b/apps/ex3
Binary files differdiff --git a/apps/ex4 b/apps/ex4
index b8f93eb9..25789096 100755
--- a/apps/ex4
+++ b/apps/ex4
Binary files differdiff --git a/apps/ex5 b/apps/ex5
index 90ad3a52..d2874012 100755
--- a/apps/ex5
+++ b/apps/ex5
Binary files differdiff --git a/apps/ex6 b/apps/ex6
index 2fcd0897..c9e34a6d 100755
--- a/apps/ex6
+++ b/apps/ex6
Binary files differdiff --git a/apps/ex7 b/apps/ex7
index 731f4c21..d6d12ab8 100755
--- a/apps/ex7
+++ b/apps/ex7
Binary files differdiff --git a/apps/ex8 b/apps/ex8
index 6cb660fb..dc45c8eb 100755
--- a/apps/ex8
+++ b/apps/ex8
Binary files differdiff --git a/apps/ex9 b/apps/ex9
index e067b833..7d2d495e 100755
--- a/apps/ex9
+++ b/apps/ex9
Binary files differdiff --git a/apps/factorial b/apps/factorial
index 3c35ab6a..46909f1c 100755
--- a/apps/factorial
+++ b/apps/factorial
Binary files differdiff --git a/apps/hex b/apps/hex
index e59ab578..6a470eb3 100755
--- a/apps/hex
+++ b/apps/hex
Binary files differdiff --git a/apps/mu b/apps/mu
index 4fe31095..34350d0d 100755
--- a/apps/mu
+++ b/apps/mu
Binary files differdiff --git a/apps/mu.subx b/apps/mu.subx
index ef830b10..627a9436 100644
--- a/apps/mu.subx
+++ b/apps/mu.subx
@@ -16782,7 +16782,7 @@ _string_ff_subop_decrement:  # (payload array byte)
     0x11/imm32/alloc-id:fake:payload
     # "ff 1/subop/decrement"
     0x14/imm32/size
-    0x66/f 0x66/f 0x31/1 0x2f/slash 0x73/s 0x75/u 0x62/b 0x6f/o 0x70/p 0x2f/slash 0x64/d 0x65/e 0x63/c 0x72/r 0x65/e 0x6d/m 0x65/e 0x6e/n 0x74/t
+    0x66/f 0x66/f 0x20/space 0x31/1 0x2f/slash 0x73/s 0x75/u 0x62/b 0x6f/o 0x70/p 0x2f/slash 0x64/d 0x65/e 0x63/c 0x72/r 0x65/e 0x6d/m 0x65/e 0x6e/n 0x74/t
 
 Single-int-var-in-mem:  # (payload list var)
     0x11/imm32/alloc-id:fake:payload
diff --git a/apps/pack b/apps/pack
index e5abcd4e..3b72f273 100755
--- a/apps/pack
+++ b/apps/pack
Binary files differdiff --git a/apps/sigils b/apps/sigils
index 46c21b5a..d1bc0e91 100755
--- a/apps/sigils
+++ b/apps/sigils
Binary files differdiff --git a/apps/survey b/apps/survey
index ed2dcf08..ad4630c9 100755
--- a/apps/survey
+++ b/apps/survey
Binary files differdiff --git a/apps/tests b/apps/tests
index 581e5135..4410fd93 100755
--- a/apps/tests
+++ b/apps/tests
Binary files differdiff --git a/apps/tile.mu b/apps/tile.mu
new file mode 100644
index 00000000..44451aa1
--- /dev/null
+++ b/apps/tile.mu
@@ -0,0 +1,60 @@
+# little example program: animate a line in text-mode
+
+fn main -> exit-status/ebx: int {
+  clear-screen
+  move-cursor-on-screen 5, 5
+  print-string-to-screen "_________"
+  enable-keyboard-immediate-mode
+  var dummy/eax: byte <- read-key
+  var row/eax: int <- copy 5
+  {
+    compare row, 0xe  # 15
+    break-if-=
+    animate row
+    row <- increment
+    sleep 0 0x5f5e100  # 100ms
+    loop
+  }
+  var dummy/eax: byte <- read-key
+  enable-keyboard-type-mode
+  clear-screen
+  exit-status <- copy 0
+}
+
+fn animate row: int {
+  var col/eax: int <- copy 5
+  {
+    compare col, 0xe
+    break-if-=
+    move-cursor-on-screen row, col
+    print-string-to-screen " "
+    increment row
+    move-cursor-on-screen row, col
+    print-string-to-screen "_"
+    decrement row
+    col <- increment
+    loop
+  }
+}
+
+type timespec {
+  tv_sec: int
+  tv_nsec: int
+}
+
+# prototype wrapper around syscall_nanosleep
+# nsecs must be less than 999999999 or 0x3b9ac9ff nanoseconds
+fn sleep secs: int, nsecs: int {
+  var t: timespec
+  # initialize t
+  var tmp/eax: (addr int) <- get t, tv_sec
+  var tmp2/ecx: int <- copy secs
+  copy-to *tmp, tmp2
+  tmp <- get t, tv_nsec
+  tmp2 <- copy nsecs
+  copy-to *tmp, tmp2
+  # perform the syscall
+  var t-addr/ebx: (addr timespec) <- address t
+  var rem-addr/ecx: (addr timespec) <- copy 0
+  syscall_nanosleep
+}
diff --git a/init.linux b/init.linux
index 497b1ea1..9893f856 100644
--- a/init.linux
+++ b/init.linux
@@ -72,3 +72,8 @@ syscall_ioctl:  # fd/ebx: int, cmd/ecx: int, arg/edx: (addr _)
     b8/copy-to-eax 0x36/imm32
     cd/syscall 0x80/imm8
     c3/return
+
+syscall_nanosleep:
+    b8/copy-to-eax 0xa2/imm32  # 162
+    cd/syscall 0x80/imm8
+    c3/return