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/*
* Copyright (C) 1996-1998 Szeredi Miklos
* Email: mszeredi@inf.bme.hu
*
* This program 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. See the file COPYING.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#include "z80.h"
#ifdef PROCP
typedef Z80 *z80t;
#define OPDEF(name, num) z80t z80op_ ## name (z80t z80p)
#define ENDOP() return z80p
#undef DANM
#define DANM(x) z80p->x
#define TAB(t) DANM(t)
#define PORT(t) DANM(t)
#define SPECP(t) DANM(t)
#else
typedef void z80t;
#define OPDEF(name, num) void z80op_ ## name (z80t)
#define ENDOP()
#define TAB(t) z80c_ ## t
#define PORT(t) PRNM(t)
#define SPECP(t) SPNM(t)
#endif
typedef z80t (*op_f)(z80t);
extern op_f z80c_op_tab[];
extern op_f z80c_op_tab_cb[];
extern op_f z80c_op_tab_dd[];
extern op_f z80c_op_tab_ed[];
extern op_f z80c_op_tab_fd[];
#define TIME(x) DANM(tc) -= (x)
#define ENTIME(x) { TIME(x); ENDOP(); }
#define READ(addr) (DANM(mem)[addr])
#define WRITE(addr, val) PUTMEM(addr, DANM(mem) + (dbyte) (addr), val)
#define DREAD(addr) (DANM(mem)[addr] | (DANM(mem)[(dbyte)(addr+1)] << 8))
#define DWRITE(addr, x) WRITE(addr, (byte) x); \
WRITE((dbyte) (addr+1), (byte) (x >> 8))
#define IPCS ((sbyte) *PCP)
#define MODMEM(func) \
{ \
register byte bdef; \
bdef = *HLP; \
func(bdef); \
PUTMEM(HL, HLP, bdef); \
}
#define MODMEMADDR(func, addr) \
{ \
register byte bdef; \
bdef = READ(addr); \
func(bdef); \
WRITE(addr, bdef); \
}
#define IXDGET(ixy, addr) addr = ((dbyte) (ixy + IPCS)), PC++
#define FETCHD(x) \
{ \
register dbyte ddef; \
ddef = PC; \
x = DREAD(ddef); \
PC = ddef+2; \
}
#define POP(x) \
{ \
register dbyte ddef; \
ddef = SP; \
x = DREAD(ddef); \
SP = ddef+2; \
}
#define PUSH(x) \
{ \
register dbyte ddef, dval; \
dval = x; \
ddef = SP-2; \
DWRITE(ddef, dval); \
SP = ddef; \
}
#ifdef SPECT_MEM
#include "sp_def.h"
#else
#define PUTMEM(addr, ptr, val) *(ptr) = (val)
#define IN(porth, portl, dest) dest = PORT(inports)[portl]
#define OUT(porth, portl, source) PORT(outports)[portl] = (source)
#define DI_CHECK
#endif
#define SF 0x80
#define ZF 0x40
#define B5F 0x20
#define HF 0x10
#define B3F 0x08
#define PVF 0x04
#define NF 0x02
#define CF 0x01
#define ALLF (SF | ZF | HF | PVF | NF | CF)
#define BUTCF (SF | ZF | HF | PVF | NF)
#define AALLF 0xff
#define ABUTCF 0xfe
#define SETFLAGS(mask, val) (RF = (RF & ~(mask)) | (val))
#define SET_FL(x) (RF |= (x))
#define CLR_FL(x) (RF &= ~(x))
#define TESTZF (RF & ZF)
#define TESTCF (RF & CF)
#define TESTSF (RF & SF)
#define TESTPF (RF & PVF)
#define TESTHF (RF & HF)
#define TESTNF (RF & NF)
#define IDXCALC(v1, v2, res) \
((res & 0xA8) | ((v1 & 0x88) >> 1) | ((v2 & 0x88) >> 3))
#define DIDXCALC(v1, v2, res) \
(((res & 0x8800) >> 8) | ((v1 & 0x8800) >> 9) | ((v2 & 0x8800) >> 11))
extern byte z80c_incf_tbl[];
extern byte z80c_decf_tbl[];
extern byte z80c_addf_tbl[];
extern byte z80c_subf_tbl[];
extern byte z80c_orf_tbl[];
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