X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/a6327524107e76c689841eda10fbc19030b4cd15..6093edb55a1c35ac1163e244f02023345e3e3aca:/cs410/keyb.c

diff --git a/cs410/keyb.c b/cs410/keyb.c
new file mode 100644
index 0000000..8fd4c98
--- /dev/null
+++ b/cs410/keyb.c
@@ -0,0 +1,39 @@
+#include <io.h>
+#include "keyhelp.h"
+#include "../net/net.h"
+#include <output.h>
+
+/* Takes over the i8042... oh well.  If we ever fully emulate the i8042,
+ * then we'll patch into that.
+ */
+
+#define KEYBOARD_PORT 0x60
+#define KEYB_STATUS_PORT 0x64
+#define KEYB_OBF 0x1
+
+int getchar()
+{
+	kh_type key;
+	unsigned char scancode;
+	
+	/* Ignore accesses -- XXX hack */
+	outl(0x840, 0x0);
+	outl(0x848, 0x0);
+	
+	do
+	{
+		while (!(inb(KEYB_STATUS_PORT) & KEYB_OBF))
+			eth_poll();
+		
+		scancode = inb(KEYBOARD_PORT);
+		outputf("scancode: %02x", scancode);
+		key = process_scancode(scancode);
+	} while (!KH_HASDATA(key) || !KH_ISMAKE(key));
+	
+	/* XXX */
+	outl(0x840, 0x0);
+	outl(0x844, 0x1000);
+	outl(0x848, 0x1000);
+	
+	return KH_GETCHAR(key);
+}