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/*
* 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 */
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