Robbbert: I've pasted it into the IBM PCjr, and unsuccessfully to save it, But it runs perfectly (Even if I lost every game)
Let me explain the principle on the hand of the mc1000 driver. On this driver the tape function is working.
1.) Start the mc1000 emulation 2.) Create a new Cassette image (menu > file manager > cassette > create), example: test.wav 3.) Type now following: 4.) 2 PRINT "Test" 5.) Press Return 6.) Type now following: 7.) SAVE 8.) Press Return 8.) Choose "Record" (menu > tape control) 9.) If the cursor is back and blinking 10.) Choose stop (menu > tape control) 11.) Hardreset 12.) Type now following: 13.) LOAD 14.) Choose "Play" (menu > tape control) 15.) Type now following: 16.) RUN