Initial data commit

Task/Integer-sequence/Cowgol/integer-sequence-2.cowgol

@@ -0,0 +1,45 @@
+include "cowgol.coh";
+
+sub print_back(s: [uint8]) is
+    while [s] != 0 loop;
+        print_char([s]);
+        s := @prev s;
+    end loop;
+    print_nl();
+end sub;
+
+sub incr(n: [uint8]): (r: [uint8]) is
+    r := n;
+    while [n] != 0 loop;
+        n := @prev n;
+    end loop;
+    n := @next n;
+    loop
+        if [n] == 0 then
+            [n] := '1';
+            [@next n] := 0;
+            r := n;
+            break;
+        elseif [n] == '9' then
+            [n] := '0';
+            n := @next n;
+            continue;
+        else
+            [n] := [n] + 1;
+            break;
+        end if;
+    end loop;
+end sub;
+
+sub init(n: [uint8]): (r: [uint8]) is
+    [n] := 0;
+    [n+1] := '0';
+    [n+2] := 0;
+    r := n+1;
+end sub;
+
+var infnum := init(LOMEM);
+loop
+    infnum := incr(infnum);
+    print_back(infnum);
+end loop;