1 /* 2 * Simulator of microcontrollers (regspdk.h) 3 * 4 * Copyright (C) 1999,99 Drotos Daniel, Talker Bt. 5 * 6 * To contact author send email to drdani@mazsola.iit.uni-miskolc.hu 7 * 8 */ 9 10 /* This file is part of microcontroller simulator: ucsim. 11 12 UCSIM is free software; you can redistribute it and/or modify 13 it under the terms of the GNU General Public License as published by 14 the Free Software Foundation; either version 2 of the License, or 15 (at your option) any later version. 16 17 UCSIM is distributed in the hope that it will be useful, 18 but WITHOUT ANY WARRANTY; without even the implied warranty of 19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 GNU General Public License for more details. 21 22 You should have received a copy of the GNU General Public License 23 along with UCSIM; see the file COPYING. If not, write to the Free 24 Software Foundation, 59 Temple Place - Suite 330, Boston, MA 25 02111-1307, USA. */ 26 /*@1@*/ 27 28 #ifndef REGPDK_HEADER 29 #define REGPDK_HEADER 30 31 #include "ddconfig.h" 32 33 34 const int io_size = 64; 35 union t_regs 36 { 37 u8_t a; 38 39 t_mem _a; 40 }; 41 42 #define BIT_Z 0x01 // zero status, 1=zero, 0=nonzero 43 #define BIT_C 0x02 // carry status(addition and subtraction) 44 #define BIT_AC 0x04 // sign, 1=negative, 0=positive (or zero) 45 #define BIT_OV 0x08 // signed overflow, 1=overflow, 0=no overflow 46 #define BIT_ALL (BIT_Z | BIT_C | BIT_AC | BIT_OV) // all bits 47 48 #define BITPOS_Z 0 // 1 49 #define BITPOS_C 1 // 2H 50 #define BITPOS_AC 2 // 4H 51 #define BITPOS_OV 3 // 8H 52 53 #endif 54 55 /* End of pdk.src/regspdk.h */ 56