/* * Simulator of microcontrollers (regsstm8.h) * * some z80 code base from Karl Bongers karl@turbobit.com * * 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 REGSTM8_HEADER #define REGSTM8_HEADER #include "ddconfig.h" struct t_regs { u8_t A; u16_t X; u16_t Y; u16_t SP; u8_t CC; //u8_t VECTOR; }; #define BIT_C 0x01 // carry status(out of bit 7) #define BIT_Z 0x02 // zero status, 1=zero, 0=nonzero #define BIT_N 0x04 // sign, 1=negative, 0=positive (or zero) #define BIT_I0 0x08 // interrupt mask, 1=disabled, 0=enabled #define BIT_H 0x10 // half carry status(out of bit 3) #define BIT_I1 0x20 // interrupt mask, 1=disabled, 0=enabled #define BIT_V 0x80 // signed overflow, 1=overflow #define BIT_ALL (BIT_C |BIT_Z |BIT_N |BIT_I0 |BIT_H |BIT_I1 |BIT_V) // all bits #define BITPOS_C 0 // 1 #define BITPOS_Z 1 // 2H #define BITPOS_N 2 // 4H #define BITPOS_I0 3 // 8H #define BITPOS_H 4 // 10H #define BITPOS_I1 5 // 20H #define BITPOS_V 7 // 80H #endif /* End of stm8.src/regsstm8.h */