Fix keyboard strobe behaviour

apple2/softSwitches2.go

@@ -93,8 +93,7 @@ func getSoftSwitch(ioFlag uint8, isSet bool) softSwitchR {
 }
 
 func getKeySoftSwitch(io *ioC0Page) uint8 {
-	strobed := (io.softSwitchesData[ioDataKeyboard] & (1 << 7)) == 0
-	if strobed && io.keyboard != nil {
+	if io.keyboard != nil {
 		if key, ok := io.keyboard.GetKey(); ok {
 			io.softSwitchesData[ioDataKeyboard] = key + (1 << 7)
 		}

apple2sdl/sdlKeyboard.go

@@ -35,9 +35,8 @@ func (k *sdlKeyboard) putText(textEvent *sdl.TextInputEvent) {
 func (k *sdlKeyboard) putKey(keyEvent *sdl.KeyboardEvent) {
 	/* To get keys as understood by the Apple2 hardware run:
 	10 A=PEEK(49152)
-	20 B = A - 128
-	30 PRINT A, B
-	40 GOTO 10
+	20 PRINT A, A - 128
+	30 GOTO 10
 	*/
 	if keyEvent.Type != sdl.KEYDOWN {
 		// Process only key pushes