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Add test for Yangus MAX's case.
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Browse source
This commit is contained in:
Jean-Philip Desjardins 2025-03-10 14:27:40 -04:00
parent 0c6becf0fc
commit b15a49e311
3 changed files with 26 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

15
tools/VuTest/MinMaxTest.cpp
View file

@ -7,6 +7,7 @@ void CMinMaxTest::Execute(CTestVm& virtualMachine)
auto resultReg2 = CVuAssembler::VF17;
auto resultReg3 = CVuAssembler::VF18;
auto resultReg4 = CVuAssembler::VF19;
auto resultReg5 = CVuAssembler::VF20;
virtualMachine.Reset();
@ -29,7 +30,7 @@ void CMinMaxTest::Execute(CTestVm& virtualMachine)
CVuAssembler::Lower::NOP());
//Inspired by Gran Turismo 4
//MINI/MAX needs to work properly with PS2's minimum & maximum float values
//MINI/MAX need to work properly with PS2's minimum & maximum float values
assembler.Write(
CVuAssembler::Upper::MINI(CVuAssembler::DEST_XYZW, resultReg3, CVuAssembler::VF1, CVuAssembler::VF4),
@ -39,6 +40,13 @@ void CMinMaxTest::Execute(CTestVm& virtualMachine)
CVuAssembler::Upper::MAX(CVuAssembler::DEST_XYZW, resultReg4, CVuAssembler::VF5, CVuAssembler::VF1),
CVuAssembler::Lower::NOP());
//Inspired by Dragon Quest - Shounen Yangus to Fushigi no Dungeon
//MAX needs to compare denormal with 0 as bigger.
assembler.Write(
CVuAssembler::Upper::MAXbc(CVuAssembler::DEST_XYZW, resultReg5, CVuAssembler::VF1, CVuAssembler::VF0, CVuAssembler::BC_X),
CVuAssembler::Lower::NOP());
assembler.Write(
CVuAssembler::Upper::NOP() | CVuAssembler::Upper::E_BIT,
CVuAssembler::Lower::NOP());
@ -93,4 +101,9 @@ void CMinMaxTest::Execute(CTestVm& virtualMachine)
TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg4].nV1 == Float::_Minus8);
TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg4].nV2 == Float::_64);
TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg4].nV3 == 0x80);
TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg5].nV0 == Float::_1);
TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg5].nV1 == 0);
TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg5].nV2 == Float::_64);
TEST_VERIFY(virtualMachine.m_cpu.m_State.nCOP2[resultReg5].nV3 == 0x80);
}

11
tools/VuTest/VuAssembler.cpp
View file

@ -196,6 +196,17 @@ uint32 CVuAssembler::Upper::MAX(DEST dest, VF_REGISTER fd, VF_REGISTER fs, VF_RE
return result;
}
uint32 CVuAssembler::Upper::MAXbc(DEST dest, VF_REGISTER fd, VF_REGISTER fs, VF_REGISTER ft, BROADCAST bc)
{
uint32 result = 0x00000010;
result |= bc;
result |= (fd << 6);
result |= (fs << 11);
result |= (ft << 16);
result |= (dest << 21);
return result;
}
uint32 CVuAssembler::Upper::MINI(DEST dest, VF_REGISTER fd, VF_REGISTER fs, VF_REGISTER ft)
{
uint32 result = 0x0000002F;

1
tools/VuTest/VuAssembler.h
View file

@ -144,6 +144,7 @@ public:
static uint32 MULq(DEST, VF_REGISTER, VF_REGISTER);
static uint32 MULAbc(DEST, VF_REGISTER, VF_REGISTER, BROADCAST);
static uint32 MAX(DEST, VF_REGISTER, VF_REGISTER, VF_REGISTER);
static uint32 MAXbc(DEST, VF_REGISTER, VF_REGISTER, VF_REGISTER, BROADCAST);
static uint32 MINI(DEST, VF_REGISTER, VF_REGISTER, VF_REGISTER);
static uint32 NOP();
static uint32 OPMULA(VF_REGISTER, VF_REGISTER);