/* * Simulator of microcontrollers (regspdk.h) * * Copyright (C) 1999,99 Drotos Daniel, Talker Bt. * * To contact author send email to drdani@mazsola.iit.uni-miskolc.hu * */ /* This file is part of microcontroller simulator: ucsim. UCSIM 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 2 of the License, or (at your option) any later version. UCSIM 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 UCSIM; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ /*@1@*/ #ifndef REGPDK_HEADER #define REGPDK_HEADER #include "ddconfig.h" const int io_size = 64; union t_regs { u8_t a; t_mem _a; }; #define BIT_Z 0x01 // zero status, 1=zero, 0=nonzero #define BIT_C 0x02 // carry status(addition and subtraction) #define BIT_AC 0x04 // sign, 1=negative, 0=positive (or zero) #define BIT_OV 0x08 // signed overflow, 1=overflow, 0=no overflow #define BIT_ALL (BIT_Z | BIT_C | BIT_AC | BIT_OV) // all bits #define BITPOS_Z 0 // 1 #define BITPOS_C 1 // 2H #define BITPOS_AC 2 // 4H #define BITPOS_OV 3 // 8H #endif /* End of pdk.src/regspdk.h */