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71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
#include "FlagsTest.h"
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#include "VuAssembler.h"
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void CFlagsTest::Execute(CTestVm& virtualMachine)
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{
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virtualMachine.Reset();
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auto microMem = reinterpret_cast<uint32*>(virtualMachine.m_microMem);
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//From Champions: Return to Arms - MAC op latency needs to be 4 so that FSAND reads the proper result
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CVuAssembler assembler(microMem);
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//pipe = 0 //macTime = 0 + 4 = 4
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assembler.Write(
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CVuAssembler::Upper::SUBbc(CVuAssembler::DEST_W, CVuAssembler::VF0, CVuAssembler::VF2, CVuAssembler::VF1, CVuAssembler::BC_X),
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CVuAssembler::Lower::NOP());
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//pipe = 1
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assembler.Write(
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CVuAssembler::Upper::ITOF0(CVuAssembler::DEST_YW, CVuAssembler::VF3, CVuAssembler::VF21),
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CVuAssembler::Lower::NOP());
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//pipe = 2 //macTime = 2 + 4 = 6
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assembler.Write(
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CVuAssembler::Upper::MULAbc(CVuAssembler::DEST_XYZW, CVuAssembler::VF20, CVuAssembler::VF15, CVuAssembler::BC_W),
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CVuAssembler::Lower::NOP());
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//pipe = 3 //macTime = 3 + 4 = 7
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assembler.Write(
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CVuAssembler::Upper::MADDbc(CVuAssembler::DEST_XYZW, CVuAssembler::VF17, CVuAssembler::VF17, CVuAssembler::VF15, CVuAssembler::BC_Y),
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CVuAssembler::Lower::NOP());
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//pipe = 4
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assembler.Write(
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CVuAssembler::Upper::NOP(),
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CVuAssembler::Lower::NOP());
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//pipe = 5 //check result from SUBbc operation (valid from pipe >= 1)
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assembler.Write(
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CVuAssembler::Upper::NOP(),
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CVuAssembler::Lower::FSAND(CVuAssembler::VI13, 0xF));
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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 = 0; //VF1x = 0
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virtualMachine.m_cpu.m_State.nCOP2[2].nV3 = 0; //VF2w = 0
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virtualMachine.m_cpu.m_State.nCOP2[20].nV0 = 0x3F800000; //VF20 = (1, 1, 1, 1)
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virtualMachine.m_cpu.m_State.nCOP2[20].nV1 = 0x3F800000;
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virtualMachine.m_cpu.m_State.nCOP2[20].nV2 = 0x3F800000;
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virtualMachine.m_cpu.m_State.nCOP2[20].nV3 = 0x3F800000;
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virtualMachine.m_cpu.m_State.nCOP2[15].nV3 = 0x3F800000; //VF15w = 1
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virtualMachine.ExecuteTest(0);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2A.nV0 == 0x3F800000);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2A.nV1 == 0x3F800000);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2A.nV2 == 0x3F800000);
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2A.nV3 == 0x3F800000);
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//Check if Z flag is set and S cleared
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TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2VI[13] == 0x1);
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}
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