1 files changed, 36 insertions, 0 deletions
diff --git a/19/py/d21.py b/19/py/d21.py
new file mode 100644
index 0000000..2e39563
--- /dev/null
+++ b/19/py/d21.py
@@ -0,0 +1,36 @@
+import intcode
+
+f = open("../input/21", "r").readlines()
+
+c = intcode.Computer([int(x) for x in f[0].split(",")], ascii=True)
+output = []
+
+def ascii_draw(a):
+    s = ""
+    for c in a:
+        if c == 10:
+            s += "\n"
+        elif c < 128:
+            s += chr(c)
+        else:
+            print("[INVALID ASCII]", c)
+    return s
+
+while not c.SIG_HALT:
+    c.step()
+    if c.SIG_INPUT:
+        # flush output
+        print(ascii_draw(output))
+        output = []
+        if len(output) > 0:
+            output = []
+        while True:
+            s = input()
+            if s.upper() == "END":
+                break
+            c.queue_ascii(s.upper())
+    if c.SIG_OUTPUT:
+        output.append(c.output)
+        c.output = None
+print(output)
+print(ascii_draw(output))