Ignores key-up events for regular (non-button) keys.
Clears Controller/key byte after eval-ing the vector.

---
 src/devices/controller.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/devices/controller.js b/src/devices/controller.js
index 4b01d77..cd2d733 100644
--- a/src/devices/controller.js
+++ b/src/devices/controller.js
@@ -53,6 +53,11 @@ function Controller(emu)
 			event.preventDefault(); 
 		}
 		emu.uxn.dev[0x82] = this.state;
-		emu.uxn.eval(peek16(emu.uxn.dev, 0x80))
+		if(mask || event.type == "keydown") {
+			emu.uxn.eval(peek16(emu.uxn.dev, 0x80))
+		}
+		if(event.type == "keydown") {
+			emu.uxn.dev[0x83] = 0;
+		}
 	}
 }
-- 
2.39.5 (Apple Git-154)