begin implementing procedure calls

the register allocator does not consider the fact that called procedures
probably clobber t-registers. also, the way i refer to the built in
functions is cursed. it barely works now and won't when you can define
procedures

1 files changed, 10 insertions, 0 deletions

diff --git a/fibonacci.hgn b/fibonacci.hgn
new file mode 100644
index 0000000..00c0638
--- /dev/null
+++ b/fibonacci.hgn
@@ -0,0 +1,10 @@
+let a = 0
+let b = 1
+let n = read_int(0)
+while n > 0 {
+    let c = a + b
+    a = b
+    b = c
+    n = n - 1
+}
+print(a)