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PL65 Copyright (C) 1987 Noahsoft#

Here's a working disk image of PL65 for anyone who wants to try what must be the rarest of Atari 8-bit languages. To use it, boot with SpartaDOS (an X cart image in one of the emulators is a good development environment) then run PL65.COM and choose from the various menu options. SAMPLE.PRG is a useful example program to figure out some of the finer points of the language (there's no manual on the disk) and S.OBJ is the compiled source. Little or no third-party documentation exists and I don't have a manual. I have one in-depth magazine article (in 8:16, BaPAUG's magazine, written by Simon Trew).

ATR Image#

  • pl65.atr(info) ; Thank you Fujix from AtariAge for giving us this very rare language! :-)))

Source Code#

  • pl65src.zip(info) ; Thank you DanBoris from AtariAge for giving us this partial commented disassembly of the PL65 sample program along with some plain ascii versions of the source file and libraries. We really appreciate your help! :-)))

Manual#

Thank you spookt from AtariAge for your help in this case and MrFish for the post processing. :-)

Reference#

Picture#

PL65 startscreen

PL65 manual cover

Movies#

Sample Code#

!====================================!
! KEYS.LIB
! PL65 Keys operations.
!------------------------------------!
CONST UPA=142,DNA=143,LTA=134,RTA=135
CONST ESC=28,SPC=33,TAB=44,RET=12
CONST none=255
BYTE CH=764
!------------------------------------!
PROC AnyKey()
BEGIN
  WHILE CH=none DO ENDWHILE CH=none
END
!------------------------------------!
FUNC InKey()
  BYTE k
BEGIN
  WHILE CH=none DO ENDWHILE k=CH CH=none
END k
!------------------------------------!
! Only Declarations for clear compiling!
! Definitions must be in MAIN() as BODY.
PROC EscF() FORWARD
PROC UpaF() FORWARD
PROC DnaF() FORWARD
PROC LtaF() FORWARD
PROC RtaF() FORWARD
PROC SpcF() FORWARD
PROC TabF() FORWARD
PROC RetF() FORWARD
PROC DefF() FORWARD
!------------------------------------!
PROC ParsKey(BYTE Key)
BEGIN
  CASE Key
    OF ESC DO EscF() ENDOF
    OF UPA DO UpaF() ENDOF
    OF DNA DO DnaF() ENDOF
    OF LTA DO LtaF() ENDOF
    OF RTA DO RtaF() ENDOF
    OF SPC DO SpcF() ENDOF
    OF TAB DO TabF() ENDOF
    OF RET DO RetF() ENDOF
  ELSE
    DefF()
  ENDCASE
END
!------------------------------------!
ENDFILE
! Keyboard Parser
INCLUDE TERMINAL.LIB
INCLUDE KEYS.LIB

PROC POS(INT COL=$55 BYTE ROW=$54)
BEGIN END ! Gets data from stack
!------------------------------------!
PROC CLR() BEGIN PUT(0,125) END
!------------------------------------!
BODY EscF BEGIN POS(18,10) WRTSTR("ESC") END
BODY UpaF BEGIN POS(18,10) WRTSTR("UPA") END
BODY DnaF BEGIN POS(18,10) WRTSTR("DNA") END
BODY LtaF BEGIN POS(18,10) WRTSTR("LTA") END
BODY RtaF BEGIN POS(18,10) WRTSTR("RTA") END
BODY SpcF BEGIN POS(18,10) WRTSTR("SPC") END
BODY TabF BEGIN POS(18,10) WRTSTR("TAB") END
BODY RetF BEGIN POS(18,10) WRTSTR("RET") END
BODY DefF BEGIN POS(18,10) WRTSTR("BAD") END
!------------------------------------!
MAIN()
  BYTE k
BEGIN
  CLR()
  WRTLN("Keys Parsing Sample")
  WRTLN("Waiting a KEY...") CR()
  
  REPEAT
    k=InKey() ParsKey(k)
  UNTIL k=ESC  
END

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ALLOC.png 346.4 kB 1 15-Aug-2017 20:14 Roland B. Wassenberg ALLOC.png
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Disk-sticker.jpg 145.8 kB 1 15-Aug-2017 20:16 Roland B. Wassenberg Disk-sticker.jpg
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Manual-Disk.jpg 143.8 kB 1 15-Aug-2017 20:17 Roland B. Wassenberg Manual-Disk.jpg
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Manual-example.jpg 200.1 kB 1 15-Aug-2017 20:17 Roland B. Wassenberg Manual-example.jpg
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Manual.jpg 16.6 kB 1 15-Aug-2017 18:32 Roland B. Wassenberg Manual.jpg
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PL65-Manual.pdf 6,799.0 kB 1 15-Aug-2017 19:17 Roland B. Wassenberg PL65-Manual.pdf
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PL65_Compiler_SpartaDOS_X_33a_... 368.3 kB 1 15-Aug-2017 20:15 Roland B. Wassenberg PL65_Compiler_SpartaDOS_X_33a_360.atr
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Startscreen.jpg 63.4 kB 1 15-Aug-2017 18:14 Roland B. Wassenberg Startscreen.jpg
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pl65-fixed.atr 184.0 kB 1 15-Aug-2017 20:15 Roland B. Wassenberg pl65-fixed.atr
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pl65.atr 184.0 kB 1 15-Aug-2017 18:14 Roland B. Wassenberg pl65.atr
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pl65src.zip 38.1 kB 1 15-Aug-2017 18:15 Roland B. Wassenberg pl65src.zip
« This particular version was published on 15-Aug-2017 19:16 by Roland B. Wassenberg.