C02/vic20/echo.c02

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/***************************************
* ECHO - Demo program for the Apple 1 *
* Echos typed keys to display *
* ESC key aborts to monitor *
***************************************/
#include <vic20.h02>
char key; //Key value
main:
key = getkey();
if (key == 3) goto exit;
prchr(key);
goto main;