APPENDIX A: Sample
Appendix A. Sample Dumb-Terminal
Program
10REM ***
20 | REM *** | Running under IBM BASIC |
30 | REM *** | This Program allows direct interaction between the |
40REM *** IBM PC and an IEEE bus device through the interface converter.
50REM *** The interface converter must be configured as the IEEE bus
60REM *** controller and have
70REM ***
80REM ***
90REM ***
100 |
| CLS |
110 | ' | Open the serial communications port and set the serial parameters |
120 |
| OPEN "COM1: 9600,n,8,2,cs,ds" AS 1 |
130 | ' | Display any characters received from the COM1 port |
140 |
| IF LOC(1) THEN PRINT INPUT$ (LOC(1) ,1); |
150' Transmit any key presses from keyboard to the COM1 port and to the screen
160 K$=INKEY$
170PRINT #1,K$; : PRINT K$;
180GOTO 140 ' Do it again
65