From b4b789422ee53b8711734ad1033add2be9a32dc9 Mon Sep 17 00:00:00 2001
From: Michal Moskal <michal@moskal.me>
Date: Mon, 7 Nov 2016 16:04:15 +0000
Subject: [PATCH] Add afterProgramPage() for filesystem support

---
 libs/core/core.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/libs/core/core.cpp b/libs/core/core.cpp
index 4a8969eb..574b73f0 100644
--- a/libs/core/core.cpp
+++ b/libs/core/core.cpp
@@ -203,6 +203,19 @@ namespace pxt {
   void *ptrOfLiteral(int offset);
   //%
   int getNumGlobals();
+
+  //%
+  uint32_t programSize() {
+    return bytecode[17] * 2;
+  }
+
+  //%
+  uint32_t afterProgramPage() {
+    uint32_t ptr = (uint32_t)&bytecode[0];
+    ptr += programSize();
+    ptr = (ptr + (PAGE_SIZE - 1)) & ~(PAGE_SIZE - 1);
+    return ptr;
+  }
 }
 
 namespace pxtrt {