Artifact af3d115c5c119e99db93e5fa60526ad78e4314736263c31d9b91a282c7b53b0f:


The Simple JSYS Interface
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This is a loadble option [Load Jsys; in RLISP, (Load Jsys) in LISP].
[Explain why it is useful.]

5 Syslisp functions: XJSYSn(R1,R2,R3,R4,Jnum)  -> result of Rn in R1

5 LISP functions: JSYSn(R1,R2,R3,R4,Jnum) ->Rn in R1
                  Ri given as Lisp Integers or Strings.
                  Tags removed converted to W-int or StringPointer.

Jsys Names are defined as NEWNAMs, eg jsPBIN, jsPBOUT, etc.

Support Functions:
  LowHalfWord(X), HighHalfWord(X), Xword(Hi,Lo), 
  Bits L, where L is list of BitPos or (FieldVal . RightBitPos)
  

(See Files JSYS0.RED and EXEC0.RED on PU:)



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