05a7f14f8d
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10950 a1c6a512-1295-4272-9138-f99709370657
125 lines
2.1 KiB
C
125 lines
2.1 KiB
C
/*
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* Copyright (C) 1996-1998 Szeredi Miklos
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* Email: mszeredi@inf.bme.hu
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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. See the file COPYING.
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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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*/
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/* IX */
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LD_RR_NN(ix, IX, 2)
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ADD_RR_RR(ix, IX, bc, BC, 0)
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ADD_RR_RR(ix, IX, de, DE, 1)
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ADD_RR_RR(ix, IX, ix, IX, 2)
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ADD_RR_RR(ix, IX, sp, SP, 3)
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INC_RR(ix, IX, 2)
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DEC_RR(ix, IX, 2)
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LD_INN_RR(ix, IX)
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LD_RR_INN(ix, IX)
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INC_R(ixh, XH, 4)
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INC_R(ixl, XL, 5)
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OPDEF(inc_iixd, 0x34)
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{
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register dbyte addr;
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IXDGET(IX, addr);
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MODMEMADDR(INC, addr);
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ENTIME(19);
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}
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DEC_R(ixh, XH, 4)
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DEC_R(ixl, XL, 5)
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OPDEF(dec_iixd, 0x35)
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{
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register dbyte addr;
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IXDGET(IX, addr);
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MODMEMADDR(DEC, addr);
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ENTIME(19);
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}
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LD_R_N(ixh, XH, 4)
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LD_R_N(ixl, XL, 5)
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OPDEF(ld_iixd_n, 0x36)
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{
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register dbyte addr;
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IXDGET(IX, addr);
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WRITE(addr, READ(PC));
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PC++;
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ENTIME(15);
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}
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/* IY */
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LD_RR_NN(iy, IY, 2)
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ADD_RR_RR(iy, IY, bc, BC, 0)
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ADD_RR_RR(iy, IY, de, DE, 1)
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ADD_RR_RR(iy, IY, iy, IY, 2)
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ADD_RR_RR(iy, IY, sp, SP, 3)
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INC_RR(iy, IY, 2)
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DEC_RR(iy, IY, 2)
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LD_INN_RR(iy, IY)
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LD_RR_INN(iy, IY)
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INC_R(iyh, YH, 4)
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INC_R(iyl, YL, 5)
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OPDEF(inc_iiyd, 0x34)
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{
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register dbyte addr;
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IXDGET(IY, addr);
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MODMEMADDR(INC, addr);
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ENTIME(19);
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}
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DEC_R(iyh, YH, 4)
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DEC_R(iyl, YL, 5)
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OPDEF(dec_iiyd, 0x35)
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{
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register dbyte addr;
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IXDGET(IY, addr);
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MODMEMADDR(DEC, addr);
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ENTIME(19);
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}
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LD_R_N(iyh, YH, 4)
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LD_R_N(iyl, YL, 5)
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OPDEF(ld_iiyd_n, 0x36)
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{
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register dbyte addr;
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IXDGET(IY, addr);
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WRITE(addr, READ(PC));
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PC++;
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ENTIME(15);
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}
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