From b9dfd552a62a46449532d49adc0773589076c808 Mon Sep 17 00:00:00 2001
From: Uri Shaked
Date: Thu, 21 Nov 2019 19:40:02 +0200
Subject: feat: add blink demo

---
 demo/src/intelhex.ts | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 demo/src/intelhex.ts

(limited to 'demo/src/intelhex.ts')

diff --git a/demo/src/intelhex.ts b/demo/src/intelhex.ts
new file mode 100644
index 0000000..ba5d6c8
--- /dev/null
+++ b/demo/src/intelhex.ts
@@ -0,0 +1,18 @@
+/**
+ * Minimal Intel HEX loader
+ * Part of AVR8js
+ *
+ * Copyright (C) 2019, Uri Shaked
+ */
+
+export function loadHex(source: string, target: Uint8Array) {
+  for (const line of source.split('\n')) {
+    if (line[0] === ':' && line.substr(7, 2) === '00') {
+      const bytes = parseInt(line.substr(1, 2), 16);
+      const addr = parseInt(line.substr(3, 4), 16);
+      for (let i = 0; i < bytes; i++) {
+        target[addr + i] = parseInt(line.substr(9 + i * 2, 2), 16);
+      }
+    }
+  }
+}
-- 
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