.PAUSE2 JSR RDKEY \ Scan the keyboard for a key press and return the \ ASCII code of the key pressed in X (or 0 for no key \ press) BNE PAUSE2 \ If a key was already being held down when we entered \ this routine, keep looping back up to PAUSE2, until \ the key is released JSR RDKEY \ Any pre-existing key press is now gone, so we can \ start scanning the keyboard again, returning the \ ASCII code of the key pressed in X (or 0 for no key \ press) BEQ PAUSE2 \ Keep looping up to PAUSE2 until a key is pressed .newyearseve RTS \ Return from the subroutineName: PAUSE2 [Show more] Type: Subroutine Category: Keyboard Summary: Wait until a key is pressed, ignoring any existing key pressContext: See this subroutine in context in the source code Variations: See code variations for this subroutine in the different versions References: This subroutine is called as follows: * JMTB calls PAUSE2
Returns: X The ASCII code of the key that was pressed
[X]
Subroutine PAUSE2 (category: Keyboard)
Wait until a key is pressed, ignoring any existing key press
[X]
Subroutine RDKEY (category: Keyboard)
Scan the keyboard for key presses