make states numbers instead of booleans

bricks/inputs/keyboard-input.lua

@@ -1,4 +1,8 @@
 
+local function queueBit(gate, bit)
+	table.insert(gate.queueBits, 1, bit)
+end
+
 return function(gate, argv)
 	if argv[1]=="\\:" then argv[1] = ";" end
 	
@@ -7,18 +11,14 @@ return function(gate, argv)
 	
 	local code = keycode+(status and 128 or 0)
 	
-	local function queueBit(bit)
-		table.insert(gate.queueBits, 1, bit)
-	end
-	
-	queueBit(true)
+	queueBit(gate, 1)
 	for bitidx = 1, 8 do
-		local val = bit.band(code, 0x80)~=0
-		queueBit(val)
+		local val = bit.band(code, 0x80)
+		queueBit(gate, val)
 		
 		code = bit.lshift(code, 1)
 	end
-	queueBit(false)
+	queueBit(gate, 0)
 	
 	Gate.queue(gate, 0)
 end