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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.
*
*/
#define ADDSUB(r, op, tbl) \
{ \
register byte res; \
register int idx; \
register int flag; \
res = RA op; \
idx = IDXCALC(RA, r, res); \
RA = res; \
flag = (RF & ~(AALLF)) | \
TAB(tbl)[idx]; \
if(!res) flag |= ZF; \
RF = flag; \
}
#define ADD(r) ADDSUB(r, + r, addf_tbl)
#define ADC(r) ADDSUB(r, + r + (RF & CF), addf_tbl)
#define SUB(r) ADDSUB(r, - r, subf_tbl)
#define SBC(r) ADDSUB(r, - r - (RF & CF), subf_tbl)
#define AND(r) \
{ \
register byte res; \
register byte flag; \
res = RA & r; \
RA = res; \
flag = (RF & ~(AALLF)) | \
TAB(orf_tbl)[res] | HF; \
RF = flag; \
}
#define XOR(r) \
{ \
register byte res; \
register byte flag; \
res = RA ^ r; \
RA = res; \
flag = (RF & ~(AALLF)) | \
TAB(orf_tbl)[res]; \
RF = flag; \
}
#define OR(r) \
{ \
register byte res; \
register byte flag; \
res = RA | r; \
RA = res; \
flag = (RF & ~(AALLF)) | \
TAB(orf_tbl)[res]; \
RF = flag; \
}
#define CP(r) \
{ \
register byte res; \
register int idx; \
register int flag; \
res = RA - r; \
idx = IDXCALC(RA, r, res); \
flag = (RF & ~(AALLF)) | \
TAB(subf_tbl)[idx]; \
if(!res) flag |= ZF; \
RF = flag; \
}
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