| 10 REM "Demo of the BASIC nullbuffer feature" | |
| 20 REM "The variable @$ is the input buffer and used as I/O channel" | |
| 100 PRINT "ibuffer is", @$ | |
| 110 @="" | |
| 120 PRINT "ibuffer is now", @$ | |
| 130 A=10: B=20 | |
| 140 PRINT &0,A,",",B | |
| 150 PRINT "ibuffer is now", @$ | |
| 160 INPUT &0, C, D | |
| 170 PRINT "Read ", C, D, "from ibuffer" | |
| 200 END | |