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49601e0af2
the right ops ;) git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4222 8ced0084-cf51-0410-be5f-012b33b47a6e
52 lines
1.5 KiB
C++
52 lines
1.5 KiB
C++
// Copyright (C) 2003 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 "Common.h"
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namespace DSPInterpreter {
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bool CheckCondition(u8 _Condition);
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int GetMultiplyModifier();
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void Update_SR_Register16(s16 _Value, bool carry = false, bool overflow = false);
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void Update_SR_Register64(s64 _Value, bool carry = false, bool overflow = false);
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void Update_SR_LZ(s64 value);
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inline bool isAddCarry(u64 val, u64 result) {
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return (val > result);
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}
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inline bool isSubCarry(u64 val, u64 result) {
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return (val < result);
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}
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inline bool isOverflow(s64 val1, s64 val2, s64 res) {
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return ((val1 ^ res) & (val2 ^ res)) < 0;
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}
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} // namespace
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#endif // _GDSP_CONDITION_CODES_H
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