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96 lines
4 KiB
C++
96 lines
4 KiB
C++
#include "MinMaxTest.h"
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#include "VuAssembler.h"
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void CMinMaxTest::Execute(CTestVm& virtualMachine)
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{
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auto resultReg1 = CVuAssembler::VF16;
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auto resultReg2 = CVuAssembler::VF17;
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auto resultReg3 = CVuAssembler::VF18;
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auto resultReg4 = CVuAssembler::VF19;
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virtualMachine.Reset();
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auto microMem = reinterpret_cast<uint32*>(virtualMachine.m_microMem);
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CVuAssembler assembler(microMem);
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//Inspired by Dynasty Warriors 5
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//Will use MINI on a vector, W contains alpha value as byte
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//Which is a denormal if we interpret is as a float
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//The denormal number should not be flushed to zero
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//DW5 also requires that MAX preserve denormals
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assembler.Write(
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CVuAssembler::Upper::MINI(CVuAssembler::DEST_XYZW, resultReg1, CVuAssembler::VF1, CVuAssembler::VF2),
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CVuAssembler::Lower::NOP());
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assembler.Write(
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CVuAssembler::Upper::MAX(CVuAssembler::DEST_XYZW, resultReg2, CVuAssembler::VF1, CVuAssembler::VF3),
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CVuAssembler::Lower::NOP());
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//Inspired by Gran Turismo 4
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//MINI/MAX needs to work properly with PS2's minimum & maximum float values
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assembler.Write(
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CVuAssembler::Upper::MINI(CVuAssembler::DEST_XYZW, resultReg3, CVuAssembler::VF1, CVuAssembler::VF4),
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CVuAssembler::Lower::NOP());
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assembler.Write(
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CVuAssembler::Upper::MAX(CVuAssembler::DEST_XYZW, resultReg4, CVuAssembler::VF5, CVuAssembler::VF1),
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CVuAssembler::Lower::NOP());
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assembler.Write(
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CVuAssembler::Upper::NOP() | CVuAssembler::Upper::E_BIT,
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CVuAssembler::Lower::NOP());
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assembler.Write(
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CVuAssembler::Upper::NOP(),
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CVuAssembler::Lower::NOP());
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virtualMachine.m_cpu.m_State.nCOP2[1].nV0 = Float::_1;
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virtualMachine.m_cpu.m_State.nCOP2[1].nV1 = Float::_Minus8;
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virtualMachine.m_cpu.m_State.nCOP2[1].nV2 = Float::_64;
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virtualMachine.m_cpu.m_State.nCOP2[1].nV3 = 0x80;
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virtualMachine.m_cpu.m_State.nCOP2[2].nV0 = Float::_8;
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virtualMachine.m_cpu.m_State.nCOP2[2].nV1 = Float::_8;
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virtualMachine.m_cpu.m_State.nCOP2[2].nV2 = Float::_8;
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virtualMachine.m_cpu.m_State.nCOP2[2].nV3 = Float::_8;
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virtualMachine.m_cpu.m_State.nCOP2[3].nV0 = Float::_Minus1;
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virtualMachine.m_cpu.m_State.nCOP2[3].nV1 = Float::_Minus1;
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virtualMachine.m_cpu.m_State.nCOP2[3].nV2 = Float::_Minus1;
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virtualMachine.m_cpu.m_State.nCOP2[3].nV3 = Float::_Minus1;
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virtualMachine.m_cpu.m_State.nCOP2[4].nV0 = Float::_Max;
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virtualMachine.m_cpu.m_State.nCOP2[4].nV1 = Float::_Max;
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virtualMachine.m_cpu.m_State.nCOP2[4].nV2 = Float::_Max;
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virtualMachine.m_cpu.m_State.nCOP2[4].nV3 = Float::_Max;
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virtualMachine.m_cpu.m_State.nCOP2[5].nV0 = Float::_Min;
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virtualMachine.m_cpu.m_State.nCOP2[5].nV1 = Float::_Min;
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virtualMachine.m_cpu.m_State.nCOP2[5].nV2 = Float::_Min;
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virtualMachine.m_cpu.m_State.nCOP2[5].nV3 = Float::_Min;
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virtualMachine.ExecuteTest(0);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg1].nV0 == Float::_1);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg1].nV1 == Float::_Minus8);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg1].nV2 == Float::_8);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg1].nV3 == 0x80);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg2].nV0 == Float::_1);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg2].nV1 == Float::_Minus1);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg2].nV2 == Float::_64);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg2].nV3 == 0x80);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg3].nV0 == Float::_1);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg3].nV1 == Float::_Minus8);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg3].nV2 == Float::_64);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg3].nV3 == 0x80);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg4].nV0 == Float::_1);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg4].nV1 == Float::_Minus8);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg4].nV2 == Float::_64);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg4].nV3 == 0x80);
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}
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