111 lines
2.7 KiB
C
111 lines
2.7 KiB
C
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/*
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* libtilemcore - Graphing calculator emulation library
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*
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* Copyright (C) 2009 Benjamin Moody
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#ifndef _TILEM_Z80_H
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#define _TILEM_Z80_H
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/* Internal Z80 data structures */
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struct _TilemZ80Timer {
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int next, prev;
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dword count;
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dword period;
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TilemZ80TimerFunc callback;
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void* callbackdata;
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};
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struct _TilemZ80Breakpoint {
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int next, prev;
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int type;
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dword start;
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dword end;
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dword mask;
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TilemZ80BreakpointFunc testfunc;
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void* testdata;
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};
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/* Useful definitions */
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#define AF (calc->z80.r.af.d)
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#define BC (calc->z80.r.bc.d)
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#define DE (calc->z80.r.de.d)
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#define HL (calc->z80.r.hl.d)
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#define AF2 (calc->z80.r.af2.d)
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#define BC2 (calc->z80.r.bc2.d)
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#define DE2 (calc->z80.r.de2.d)
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#define HL2 (calc->z80.r.hl2.d)
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#define IX (calc->z80.r.ix.d)
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#define IY (calc->z80.r.iy.d)
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#define SP (calc->z80.r.sp.d)
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#define PC (calc->z80.r.pc.d)
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#define IR (calc->z80.r.ir.d)
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#define A (calc->z80.r.af.b.h)
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#define F (calc->z80.r.af.b.l)
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#define B (calc->z80.r.bc.b.h)
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#define C (calc->z80.r.bc.b.l)
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#define D (calc->z80.r.de.b.h)
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#define E (calc->z80.r.de.b.l)
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#define H (calc->z80.r.hl.b.h)
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#define L (calc->z80.r.hl.b.l)
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#define IXh (calc->z80.r.ix.b.h)
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#define IXl (calc->z80.r.ix.b.l)
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#define IYh (calc->z80.r.iy.b.h)
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#define IYl (calc->z80.r.iy.b.l)
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#define I (calc->z80.r.ir.b.h)
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#define Rh (calc->z80.r.r7)
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#define Rl (calc->z80.r.ir.b.l)
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#define R ((Rl & 0x7f) | Rh)
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#ifdef DISABLE_Z80_WZ_REGISTER
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# define WZ temp_wz.d
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# define WZ2 temp_wz2.d
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# define W temp_wz.b.h
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# define Z temp_wz.b.l
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#else
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# define WZ (calc->z80.r.wz.d)
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# define WZ2 (calc->z80.r.wz2.d)
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# define W (calc->z80.r.wz.b.h)
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# define Z (calc->z80.r.wz.b.l)
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#endif
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#define IFF1 (calc->z80.r.iff1)
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#define IFF2 (calc->z80.r.iff2)
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#define IM (calc->z80.r.im)
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#define FLAG_S 0x80
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#define FLAG_Z 0x40
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#define FLAG_Y 0x20
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#define FLAG_H 0x10
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#define FLAG_X 0x08
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#define FLAG_P 0x04
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#define FLAG_V FLAG_P
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#define FLAG_N 0x02
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#define FLAG_C 0x01
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#define BCw (calc->z80.r.bc.w.l)
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#define DEw (calc->z80.r.de.w.l)
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#define HLw (calc->z80.r.hl.w.l)
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#define SPw (calc->z80.r.sp.w.l)
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#define IXw (calc->z80.r.ix.w.l)
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#define IYw (calc->z80.r.iy.w.l)
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#endif
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