/* The instruction set. */

enum instructions {
  ACC0, ACC1, ACC2, ACC3, ACC4, ACC5, ACC6, ACC7,
  ACC, PUSH,
  PUSHACC0, PUSHACC1, PUSHACC2, PUSHACC3,
  PUSHACC4, PUSHACC5, PUSHACC6, PUSHACC7,
  PUSHACC, POP, ASSIGN,
  ENVACC1, ENVACC2, ENVACC3, ENVACC4, ENVACC,
  PUSHENVACC1, PUSHENVACC2, PUSHENVACC3, PUSHENVACC4, PUSHENVACC,
  PUSH_RETADDR, APPLY, APPLY1, APPLY2, APPLY3,
  APPTERM, APPTERM1, APPTERM2, APPTERM3, 
  RETURN, RESTART, GRAB,
  CLOSURE, CLOSUREREC,
  GETGLOBAL, PUSHGETGLOBAL, GETGLOBALFIELD, PUSHGETGLOBALFIELD, SETGLOBAL,
  ATOM0, ATOM, PUSHATOM0, PUSHATOM,
  MAKEBLOCK, MAKEBLOCK1, MAKEBLOCK2, MAKEBLOCK3,
  GETFIELD0, GETFIELD1, GETFIELD2, GETFIELD3, GETFIELD,
  SETFIELD0, SETFIELD1, SETFIELD2, SETFIELD3, SETFIELD,
  DUMMY, UPDATE,
  VECTLENGTH, GETVECTITEM, SETVECTITEM,
  GETSTRINGCHAR, SETSTRINGCHAR, 
  BRANCH, BRANCHIF, BRANCHIFNOT, SWITCH, TRANSLATE, BOOLNOT,
  PUSHTRAP, POPTRAP, RAISE, CHECK_SIGNALS,
  C_CALL1, C_CALL2, C_CALL3, C_CALL4, C_CALL5, C_CALLN,
  CONST0, CONST1, CONST2, CONST3, CONSTINT,
  PUSHCONST0, PUSHCONST1, PUSHCONST2, PUSHCONST3, PUSHCONSTINT,
  NEGINT, ADDINT, SUBINT, MULINT, DIVINT, MODINT,
  ANDINT, ORINT, XORINT, LSLINT, LSRINT, ASRINT,
  EQ, NEQ, LTINT, LEINT, GTINT, GEINT,
  OFFSETINT, OFFSETREF,
  STOP
};