/*
 * opcodes - opcode execution module definition
 *
 * Copyright (C) 1999-2007,2014,2021,2026  David I. Bell
 *
 * Calc is open software; you can redistribute it and/or modify it under
 * the terms of the version 2.1 of the GNU Lesser General Public License
 * as published by the Free Software Foundation.
 *
 * Calc is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
 * Public License for more details.
 *
 * A copy of version 2.1 of the GNU Lesser General Public License is
 * distributed with calc under the filename COPYING-LGPL.  You should have
 * received a copy with calc; if not, write to Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Under source code control:   1990/02/15 01:48:35
 * File existed as early as:    before 1990
 *
 * Share and enjoy!  :-)        http://www.isthe.com/chongo/tech/comp/calc/
 */

#if !defined(INCLUDE_OPCODES_H)
#  define INCLUDE_OPCODES_H

/*
 * Opcodes
 */
#  define OP_NOP 0L          /* no operation */
#  define OP_LOCALADDR 1L    /* load address of local variable */
#  define OP_GLOBALADDR 2L   /* load address of global variable */
#  define OP_PARAMADDR 3L    /* load address of parameter variable */
#  define OP_LOCALVALUE 4L   /* load value of local variable */
#  define OP_GLOBALVALUE 5L  /* load value of global variable */
#  define OP_PARAMVALUE 6L   /* load value of parameter variable */
#  define OP_NUMBER 7L       /* load constant real numeric value */
#  define OP_INDEXADDR 8L    /* load array index address */
#  define OP_PRINTRESULT 9L  /* print result of top-level expression */
#  define OP_ASSIGN 10L      /* assign value to variable */
#  define OP_ADD 11L         /* add top two values */
#  define OP_SUB 12L         /* subtract top two values */
#  define OP_MUL 13L         /* multiply top two values */
#  define OP_DIV 14L         /* divide top two values */
#  define OP_MOD 15L         /* take mod of top two values */
#  define OP_SAVE 16L        /* save value for later use */
#  define OP_NEGATE 17L      /* negate top value */
#  define OP_INVERT 18L      /* invert top value */
#  define OP_INT 19L         /* take integer part of top value */
#  define OP_FRAC 20L        /* take fraction part of top value */
#  define OP_NUMERATOR 21L   /* take numerator of top value */
#  define OP_DENOMINATOR 22L /* take denominator of top value */
#  define OP_DUPLICATE 23L   /* duplicate top value on stack */
#  define OP_POP 24L         /* pop top value from stack */
#  define OP_RETURN 25L      /* return value of function */
#  define OP_JUMPZ 26L       /* jump if top value is zero */
#  define OP_JUMPNZ 27L      /* jump if top value is nonzero */
#  define OP_JUMP 28L        /* jump unconditionally */
#  define OP_USERCALL 29L    /* call a user-defined function */
#  define OP_GETVALUE 30L    /* convert address to value */
#  define OP_EQ 31L          /* test top two elements for equality */
#  define OP_NE 32L          /* test top two elements for inequality */
#  define OP_LE 33L          /* test top two elements for <= */
#  define OP_GE 34L          /* test top two elements for >= */
#  define OP_LT 35L          /* test top two elements for < */
#  define OP_GT 36L          /* test top two elements for > */
#  define OP_PREINC 37L      /* add one to variable (++x) */
#  define OP_PREDEC 38L      /* subtract one from variable (--x) */
#  define OP_POSTINC 39L     /* add one to variable (x++) */
#  define OP_POSTDEC 40L     /* subtract one from variable (x--) */
#  define OP_DEBUG 41L       /* debugging point */
#  define OP_PRINT 42L       /* print value */
#  define OP_ASSIGNPOP 43L   /* assign to variable and remove it */
#  define OP_ZERO 44L        /* put zero on the stack */
#  define OP_ONE 45L         /* put one on the stack */
#  define OP_PRINTEOL 46L    /* print end of line */
#  define OP_PRINTSPACE 47L  /* print a space */
#  define OP_PRINTSTRING 48L /* print constant string */
#  define OP_DUPVALUE 49L    /* duplicate value of top value */
#  define OP_OLDVALUE 50L    /* old calculation value */
#  define OP_QUO 51L         /* integer quotient of top two values */
#  define OP_POWER 52L       /* number raised to a power */
#  define OP_QUIT 53L        /* quit program */
#  define OP_CALL 54L        /* call built-in routine */
#  define OP_GETEPSILON 55L  /* get allowed error for calculations */
#  define OP_AND 56L         /* arithmetic and */
#  define OP_OR 57L          /* arithmetic or */
#  define OP_NOT 58L         /* logical not */
#  define OP_ABS 59L         /* absolute value */
#  define OP_SGN 60L         /* sign of number */
#  define OP_ISINT 61L       /* whether top value is integer */
#  define OP_CONDORJUMP 62L  /* conditional or jump */
#  define OP_CONDANDJUMP 63L /* conditional and jump */
#  define OP_SQUARE 64L      /* square top value */
#  define OP_STRING 65L      /* load constant string value */
#  define OP_ISNUM 66L       /* whether top value is a number */
#  define OP_UNDEF 67L       /* load undefined value on stack */
#  define OP_ISNULL 68L      /* whether variable is the null value */
#  define OP_ARGVALUE 69L    /* load value of argument (parameter) n */
#  define OP_MATCREATE 70L   /* create matrix */
#  define OP_ISMAT 71L       /* whether variable is a matrix */
#  define OP_ISSTR 72L       /* whether variable is a string */
#  define OP_GETCONFIG 73L   /* get value of configuration parameter */
#  define OP_LEFTSHIFT 74L   /* left shift of integer */
#  define OP_RIGHTSHIFT 75L  /* right shift of integer */
#  define OP_CASEJUMP 76L    /* test case and jump if not matched */
#  define OP_ISODD 77L       /* whether value is an odd integer */
#  define OP_ISEVEN 78L      /* whether value is even integer */
#  define OP_FIADDR 79L      /* 'fast index' matrix value address */
#  define OP_FIVALUE 80L     /* 'fast index' matrix value */
#  define OP_ISREAL 81L      /* test value for real number */
#  define OP_IMAGINARY 82L   /* load imaginary numeric constant */
#  define OP_RE 83L          /* real part of complex number */
#  define OP_IM 84L          /* imaginary part of complex number */
#  define OP_CONJUGATE 85L   /* complex conjugate of complex number */
#  define OP_OBJCREATE 86L   /* create object */
#  define OP_ISOBJ 87L       /* whether value is an object */
#  define OP_NORM 88L        /* norm of value (square of abs) */
#  define OP_ELEMADDR 89L    /* address of element of object */
#  define OP_ELEMVALUE 90L   /* value of element of object */
#  define OP_ISTYPE 91L      /* whether two values are the same type */
#  define OP_SCALE 92L       /* scale value by a power of two */
#  define OP_ISLIST 93L      /* whether value is a list */
#  define OP_SWAP 94L        /* swap values of two variables */
#  define OP_ISSIMPLE 95L    /* whether value is a simple type */
#  define OP_CMP 96L         /* compare values returning -1, 0, or 1 */
#  define OP_SETCONFIG 97L   /* set configuration parameter */
#  define OP_SETEPSILON 98L  /* set allowed error for calculations */
#  define OP_ISFILE 99L      /* whether value is a file */
#  define OP_ISASSOC 100L    /* whether value is an association */
#  define OP_INITSTATIC 101L /* once only code for static initialization */
#  define OP_ELEMINIT 102L   /* assign element of matrix or object */
#  define OP_ISCONFIG 103L   /* whether value is a configuration state */
#  define OP_ISHASH 104L     /* whether value is a hash state */
#  define OP_ISRAND 105L     /* whether value is subtractive 100 state */
#  define OP_ISRANDOM 106L   /* whether value is a Blum random state */
#  define OP_SHOW 107L       /* show data about current state */
#  define OP_INITFILL 108L   /* fill new matrix with copies of a value */
#  define OP_ASSIGNBACK 109L /* assign in reverse order */
#  define OP_TEST 110L       /* test whether value is "nonzero" */
#  define OP_ISDEFINED 111L  /* whether string names a function */
#  define OP_ISOBJTYPE 112L  /* whether string names an object type */
#  define OP_ISBLK 113L      /* whether value is a block */
#  define OP_PTR 114L        /* octet pointer */
#  define OP_DEREF 115L      /* dereference an octet pointer */
#  define OP_ISOCTET 116L    /* whether value is an octet */
#  define OP_ISPTR 117L      /* whether value is a pointer */
#  define OP_SAVEVAL 118L    /* activate updating */
#  define OP_LINKS 119L      /* return links for numbers and strings */
#  define OP_BIT 120L        /* whether specified bit is set */
#  define OP_COMP 121L       /* complement value */
#  define OP_XOR 122L        /* xor (~) of values */
#  define OP_HIGHBIT 123L    /* index of high bit of value */
#  define OP_LOWBIT 124L     /* index of low bit of value */
#  define OP_CONTENT 125L    /* value returned by unary # */
#  define OP_HASHOP 126L     /* binary # */
#  define OP_BACKSLASH 127L  /* unary backslash */
#  define OP_SETMINUS 128L   /* binary backslash */
#  define OP_PLUS 129L       /* unary + */
#  define OP_JUMPNN 130L     /* jump if top value is non-null */
#  define OP_ABORT 131L      /* abort operation */

#  define MAX_OPCODE 131L /* MUST BE LAST - highest legal opcode */

/*
 * external declarations
 */
extern char *funcname; /* function being executed */
extern long funcline;  /* function line being executed */

#endif
