Useful POKE, PUT and OPEN Statements

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  • 12 July 2025 at 11:06 am #3531
    CDesp
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    • Topics: 15
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      POKE 19,1 Default Storage device Tape 1
      POKE 19,2 Default Storage device Tape 2
      POKE 19,9 Default Storage device Serial Port

      POKE 51,1 Switches Screen OFF (VF Display Still available)
      POKE 51,0 Switches Screen ON (if switched off)

      PUT#8,12 Form Feed for Printer
      PUT#8,27,30 An Escape Sequence for Printer
      PUT12 MOVE CURSOR TO HOME
      PUT22,12 Cursor Position
      PUT23,25 High Resolution Screen
      PUT23,67 Background colour screen changes from Black to white(Green on Emulator)
      PUT23,68 Background colour screen changes from White(Green on Emulator) to Black
      PUT31 Clear Screen
      PUT48 TO PUT57 PRINTS 0 TO 9 ON Screen
      PUT65 TO PUT90 PRINTS A TO Z ON Screen

      OPEN#0,0,”L40″ 80 CHRS Screen
      OPEN#8,8,”2400″:LIST#8 Listing to 2400 Baud Printer
      OPEN#15,8:LIST#15 Output Basic Program listing to file for Emulator
      OPEN#0,0 Screen Display only
      OPEN#0,3 Line Display only
      OPEN#0,4 Display Screen and Line Display

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