2008-12-08 04:46:09 +00:00
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/*====================================================================
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filename: opcodes.h
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project: GameCube DSP Tool (gcdsp)
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created: 2005.03.04
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mail: duddie@walla.com
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Copyright (c) 2005 Duddie
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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====================================================================*/
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#ifndef _OPCODES_H
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#define _OPCODES_H
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enum partype_t
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{
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P_NONE = 0x0000,
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P_VAL = 0x0001,
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P_IMM = 0x0002,
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P_MEM = 0x0003,
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P_STR = 0x0004,
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P_REG = 0x8000,
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P_REG08 = P_REG | 0x0800,
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P_REG10 = P_REG | 0x1000,
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P_REG18 = P_REG | 0x1800,
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P_REG19 = P_REG | 0x1900,
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P_REG1A = P_REG | 0x1a00,
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P_REG1C = P_REG | 0x1c00,
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P_ACCM = P_REG | 0x1e00,
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P_ACCM_D = P_REG | 0x1e80,
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P_ACC = P_REG | 0x2000,
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P_ACC_D = P_REG | 0x2080,
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P_AX = P_REG | 0x2200,
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P_AX_D = P_REG | 0x2280,
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P_REGS_MASK = 0x03f80,
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P_REF = P_REG | 0x4000,
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P_PRG = P_REF | P_REG,
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};
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#define P_EXT 0x80
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typedef struct opcpar_t
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{
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partype_t type;
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uint8 size;
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uint8 loc;
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sint8 lshift;
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uint16 mask;
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} opcpar_t;
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typedef struct opc_t
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{
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const char* name;
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uint16 opcode;
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uint16 opcode_mask;
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uint8 size;
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uint8 param_count;
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opcpar_t params[8];
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} opc_t;
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extern opc_t opcodes[];
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extern const uint32 opcodes_size;
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extern opc_t opcodes_ext[];
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extern const uint32 opcodes_ext_size;
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inline uint16 swap16(uint16 x)
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{
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return((x >> 8) | (x << 8));
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}
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#endif
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