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TIP: Untick the 'Update' option to improve performance

TIP: Some browsers require human interaction before they play sound. So try clicking, and refreshing the page, if you hear nothing

Hold either the left or right ALT keys to invoke symbol shift. Please be patient with your keypresses.
TIP: Type VLIST and enter to see a list of supported Forth verbs
TIP: If you use Alt+TAB to move away from the window, you must remember to press 'alt' again when returning to the emulator.