A ZX81 alternative PRINT function that scrolls when at the bottom of the display. The intent is to show how to call machine language functions from BASIC and passing parameters on the same line. https://youtu.be/tQwA9HgaTJM
JSZeddy, by Erik Olofsen based on JSSpeccy and Z81 emus.
For programs that don’t auto-run, press R then ENTER.
Also you may need to click on the applet to enable keyboard entry.