/*
 datatypes.h
 Part of ForthBASIC, the BASIC interpreter and menuing system of POWER X Y

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _H_datatypes
#define _H_datatypes

#define BTYPE_NULL 0 /* no data */
#define BTYPE_U8 1 /* 1 byte value */
#define BTYPE_U16 2 /* 2 bytes value */
#define BTYPE_U32 3 /* 4 bytes value */
#define BTYPE_S16 4 /* 2 bytes value */
#define BTYPE_S32 5 /* 4 bytes value */
#define BTYPE_RAWSTR 6 /* length in bytes as (int), then string, then null byte at end */
#define BTYPE_437STR 7 /* string using 437 character set */
#define BTYPE_NKSTR 8 /* string using NK character set */
#define BTYPE_SINGLE 9 /* single precision floating number */
#define BTYPE_DOUBLE 10 /* double precision floating number */
#define BTYPE_VARIANT 11 /* used to indicate that a variable can contain any type */
#define BTYPE_RETURN 12 /* tells where to return to from a subroutine call */
#define BTYPE_USERTYPE 13 /* same format as string, for user-defined TYPEs */
#define BTYPE_ERROR 14
#define BTYPE_HEAP_INDEX 15
#define BTYPE_PROG_PTR 16
#define BTYPE_DATA_PTR 17

#define BTYPEMODIFIER_FIXED 32 /* Indicates a fixed-length value */
#define BTYPEMODIFIER_ARRAY 64 /* Indicates a array within a usertype */

#endif