53 lines
1.8 KiB
C++
53 lines
1.8 KiB
C++
// Copyright (C) 2003-2009 Dolphin Project.
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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, version 2.0.
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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 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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// Additional copyrights go to Duddie and Tratax (c) 2004
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#ifndef _GDSP_CONDITION_CODES_H
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#define _GDSP_CONDITION_CODES_H
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// Anything to do with SR and conditions goes here.
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#include "Globals.h"
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#include "gdsp_registers.h"
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namespace DSPInterpreter {
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// SR flag defines.
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#define SR_CMP_MASK 0x3f // Shouldn't this include 0x40?
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// These are probably not accurate. Do not use yet.
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#define SR_UNKNOWN 0x0002 // ????????
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#define SR_ARITH_ZERO 0x0004
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#define SR_SIGN 0x0008
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#define SR_TOP2BITS 0x0020 // this is an odd one.
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#define SR_LOGIC_ZERO 0x0040 // ?? duddie's doc sometimes say & 1<<6 (0x40), sometimes 1<<14 (0x4000), while we have 0x20 .. eh
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#define SR_INT_ENABLE 0x0200 // Not 100% sure but duddie says so. This should replace the hack, if so.
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#define SR_MUL_MODIFY 0x2000 // 1 = normal. 0 = x2
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bool CheckCondition(u8 _Condition);
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int GetMultiplyModifier();
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void Update_SR_Register16(s16 _Value);
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void Update_SR_Register64(s64 _Value);
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} // namespace
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#endif // _GDSP_CONDITION_CODES_H
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