TICK waits until the ▶ run button is clicked. This starts a timer running the block body once a second up to 99 times.
We show TICK randomly walking a neighborhood over and over.
TICK requires a repeat count to repeat 1 to 99 times. The ▶ button appears when CLICK first runs. Shift-click enables reporting same as CLICK.
TICK 5 HELLO
TICK writes state.debug based on the shiftKey state. TICK reads and writes state.ticks, the number of ticks remaining. Remove state.ticks to stop ticking early. See UNTIL.