First commit, porting from PaCO

heap.h

@@ -0,0 +1,11 @@
+#pragma once
+
+void heap_init();
+const int heap_get_address();
+void heap_reserve(const int size);
+const int heap_get_size();
+void heap_alloc();
+const float heap_get_float(const int address);
+const char* heap_get_string(const int address);
+void heap_set_float(const int address, const float value);
+void heap_set_string(const int address, const char* value);