kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
80 wiersze
2.2 KiB
C
80 wiersze
2.2 KiB
C
/* z81/xz81, Linux console and X ZX81/ZX80 emulators.
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* Copyright (C) 1994 Ian Collier. z81 changes (C) 1995-2001 Russell Marks.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "common.h"
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#define Z80_quit 1
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#define Z80_NMI 2
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#define Z80_reset 3
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#define Z80_load 4
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#define Z80_save 5
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#define Z80_log 6
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extern int interrupted;
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extern unsigned long tstates,tsmax,frames;
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extern void setzx80mode(void);
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extern void vsync_raise(void);
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extern void vsync_lower(void);
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extern void ResetZ80(void);
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extern void ExecZ80(void);
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#define fetch(x) (memptr[(unsigned short)(x)>>10][(x)&1023])
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#define fetch2(x) ((fetch((x)+1)<<8)|fetch(x))
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#define store(x,y) do {\
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unsigned short off=(x)&1023;\
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unsigned char page=(unsigned short)(x)>>10;\
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int attr=memattr[page];\
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if(attr){\
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memptr[page][off]=(y);\
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}\
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} while(0)
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#define store2b(x,hi,lo) do {\
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unsigned short off=(x)&1023;\
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unsigned char page=(unsigned short)(x)>>10;\
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int attr=memattr[page];\
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if(attr) { \
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memptr[page][off]=(lo);\
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memptr[page][off+1]=(hi);\
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}\
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} while(0)
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#define store2(x,y) store2b(x,(y)>>8,(y)&255)
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#ifdef __GNUC__
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static void inline storefunc(unsigned short ad,unsigned char b){
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store(ad,b);
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}
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#undef store
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#define store(x,y) storefunc(x,y)
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static void inline store2func(unsigned short ad,unsigned char b1,unsigned char b2){
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store2b(ad,b1,b2);
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}
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#undef store2b
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#define store2b(x,hi,lo) store2func(x,hi,lo)
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#endif
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#define bc ((b<<8)|c)
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#define de ((d<<8)|e)
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#define hl ((h<<8)|l)
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