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Commodore BASIC  |  1988-11-13  |  988b  |  41 lines
  1. 1 OPEN15,D0,15,"UI:"
  2. 2 CLOSE15
  3. 3 X=168:Y=138:SF=8:GOTO18
  4. 4 GETA$:IFA$=""THEN12
  5. 5 IFA$="_"THENRETURN
  6. 6 IFA$="[147]"THENSYS36888:GOTO12
  7. 7 IFA$="!"THENSYS36867:GOTO12
  8. 8 IFA$="="THENSYS36882:GOTO12
  9. 9 IFA$="&"THENSYS36879:GOTO12
  10. 10 IFA$=""THENSYS36885:GOTO12
  11. 11 A=USR(33),0:A=USR(39),0,16:A=USR(45),0:A=USR(47),0:LOAD"CMND",D0
  12. 12 X=X+USR(121)*SF:Y=Y-USR(122)*SF
  13. 13 IFX>306THENX=306
  14. 14 IFX<24THENX=24
  15. 15 IFY>226THENY=226
  16. 16 IFY<50THENY=50
  17. 17 A=USR(34),X,Y,0:A=USR(34),16,Y,6:A=USR(34),X,231,7:RETURN
  18. 18 A=USR(39),0,34:A=USR(44),0:A=USR(46),0:A=USR(32),0
  19. 19 GOSUB4:IFA$="_"THEN21
  20. 20 A=USR(117):IFA<>16THEN19
  21. 21 A=USR(0),0,1,4:A=USR(34),0,Y,6:A=USR(34),X,255,7:A=USR(17)
  22. 22 A=USR(117):IFA<>0THEN22
  23. 23 A=USR(1):A=USR(33),0:SYS36864:PRINT"[147]":X1=20:Y1=13:SYS32771
  24. 24 LO=40*(Y1-1)+X1+1023:RV=128ANDPEEK(LO)
  25. 25 GETA$:IFA$="_"THEN37
  26. 26 POKELO,91ORRV
  27. 27 X1=X1+USR(121):Y1=Y1-USR(122)
  28. 28 IFX1<1THENX1=1
  29. 29 IFX1>40THENX1=40
  30. 30 IFY1<1THENY1=1
  31. 31 IFY1>24THENY1=24
  32. 32 POKELO,32OR(128ANDRV)
  33. 33 A=USR(117):IFA<>16THEN24
  34. 34 RV=-1*(RV=0)*128
  35. 35 A=USR(117):IFA<>0THEN35
  36. 36 GOTO25
  37. 37 SYS32774:PRINT"[147]"
  38. 38 A=USR(0),1,7,14:A=USR(1):A=USR(16):A=USR(34),16,Y,6:A=USR(34),X,231,7
  39. 39 A=USR(32),0
  40. 40 GOTO18
  41.