MPL Bytecode Compiler Code

(* MPL - MICRO PROGRAMMING LANGUAGE / COPYRIGHT (C) 2017-2019 DEREK JOHN EVANS *)

CONST IMPL:SET OF TNAT=[
 NARGC,NARGV,NCLWR,NCUPR,NFEND,NFNEW,NFOLD,NFRDC,NFRDS,NFWRC,NFWRS,NIABS,NIMAX,
 NIMIN,NISQR,NSOFI,NMCPY,NMREV,NMSET,NRABS,NRADD,NRATN,NRCMP,NRCOS,NRCPY,NRDIV,
 NREXP,NRFRA,NRINT,NRLOG,NRMAX,NRMIN,NRMUL,NRNEG,NRROU,NRSIN,NRSQR,NRSRT,NRSUB,
 NIOFR,NSOFR,NSADD,NSCPY,NSDEL,NSINS,NSMID,NSCHR,NSSTR,NIOFS,NROFS,NTCLR,NTINS,
 NTRDC,NTRDK,NTRDS,NTWRC,NTWRS,NTCLS,NTDEL,NTGXY,NTKEY,NSFIX,NFEOF,NROFI];

PROCEDURE LIBNAT(FN:TSTR); VAR T:TEXT; N:TNAT; O:TOPR;
 PROCEDURE WRV(S:TSTR; I:TINT); BEGIN WRITELN(T,S,':',I) END;
 PROCEDURE WRI(S:TSTR; I:TINT); BEGIN WRV('.'+S,I) END;
BEGIN
 IF FNEW(T,FN) THEN BEGIN
  WRV('TOM',ORD(VTOM)*2); WRV('AUX',ORD(VAUX)*2); WRV('TMP',ORD(VTMP)*2);
  WRI('FMIN',ORD(FMIN)); WRI('FMAX',ORD(FMAX));
  WRI('FINP',ORD(FINP)); WRI('FOUT',ORD(FOUT));
  FOR N:=LOW(TNAT) TO HIGH(TNAT) DO IF N IN IMPL THEN BEGIN
   STR(N,FN); DELETE(FN,1,1); WRI(FN,-ORD(N));
  END;
  WRITELN(T);
  FEND(T)
 END;
 FN := 'mpldefs.h';
 IF FNEW(T,FN) THEN
 BEGIN
  FOR O:=LOW(O) TO HIGH(O) DO BEGIN
   STR(O,FN); WRITELN(T, '#define ',FN, ' ', ORD(O));
  END;
  WRITELN(T);
  FOR N:=LOW(N) TO HIGH(N) DO BEGIN
   STR(N,FN); WRITELN(T, '#define ',FN, ' ', ORD(N));
  END;
  WRITELN(T);
  FEND(T);
 END;
END;