From 7ad39f891de16aa70280f052ce1386fd517b08c1 Mon Sep 17 00:00:00 2001
From: Brad Grantham <grantham@plunk.org>
Date: Mon, 7 Nov 2016 21:22:49 -0800
Subject: [PATCH] Modified for interactivity

Added peek_key and clear_strobe so that an interrupt key can be
probed by main loop
---
 keyboard.cpp | 12 ++++++++++++
 keyboard.h   |  6 ++++++
 2 files changed, 18 insertions(+)

diff --git a/keyboard.cpp b/keyboard.cpp
index de1423f..0fb2dab 100644
--- a/keyboard.cpp
+++ b/keyboard.cpp
@@ -128,6 +128,18 @@ void stop_keyboard()
     }
 }
 
+bool peek_key(char *k)
+{
+    if(strobe)
+        *k = last_key;
+    return strobe;
+}
+
+void clear_strobe()
+{
+    strobe = false;
+}
+
 void poll_keyboard()
 {
     int i;
diff --git a/keyboard.h b/keyboard.h
index 1356569..3aca6b9 100644
--- a/keyboard.h
+++ b/keyboard.h
@@ -16,4 +16,10 @@ unsigned char get_keyboard_data_and_strobe();
 // Clears the strobe and pretends that no keys are down.
 unsigned char get_any_key_down_and_clear_strobe();
 
+// Peek at the current key
+bool peek_key(char *k);
+
+// Peek at the current key
+void clear_strobe();
+
 #endif /* _KEYBOARD_H_ */