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Commodore BASIC  |  1990-02-12  |  560b  |  22 lines
  1. 1 A=USR(0),0,1,4
  2. 2 A=USR(33),0:A=USR(34),0,Y,6:A=USR(34),X,255,7:A=USR(17):A=USR(1)
  3. 3 OPEN15,D0,15,"I0"
  4. 4 CLOSE15:POKE679,23
  5. 5 PRINTCHR$(14)"[147][208]RINT AT [204]EFT, [195]ENTER, OR [210]IGHT ?"
  6. 6 GETA$:IFA$=""THEN6
  7. 7 IFA$="L"THENPOKE679,6:GOTO11
  8. 8 IFA$="C"THENPOKE679,23:GOTO11
  9. 9 IFA$="R"THENPOKE679,40:GOTO11
  10. 10 LOAD"CMND",D0
  11. 11 OPEN4,4,5:CMD4
  12. 12 SYS36900
  13. 13 PRINT#4:CLOSE4
  14. 14 PRINT"[147] ! TO SWITCH SCREENS AND PRINT,"
  15. 15 PRINT"[198]1 TO PRINT THE SAME SCREEN AGAIN,"
  16. 16 PRINT"OR ANY OTHER KEY TO EXIT."
  17. 17 GETA$:IFA$=""THEN17
  18. 18 IFA$="!"THENSYS36867:GOTO5
  19. 19 IFA$=CHR$(133)THEN5
  20. 20 PRINT"[147]":A=USR(0),1,7,14:A=USR(1):A=USR(16):A=USR(34),16,Y,6:A=USR(34),X,231,7
  21. 21 LOAD"CMND",D0
  22.