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Reduce y register pressure if x available

This commit is contained in:
drmortalwombat 2021-12-27 10:49:18 +01:00
parent 743510b54e
commit 57c72b1788
14 changed files with 927 additions and 110 deletions
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188
autotest/autotest.bat
View File

@ -1,123 +1,123 @@
@echo off rem @echo off
call :test stdlibtest.c @call :test stdlibtest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test testint16.c @call :test testint16.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test testint32.c @call :test testint32.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test testint16mul.c @call :test testint16mul.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test recursiontest.c @call :test recursiontest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test fastcalltest.c @call :test fastcalltest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test strcmptest.c @call :test strcmptest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test strcmptest2.c @call :test strcmptest2.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test arraytest.c @call :test arraytest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test arraytestfloat.c @call :test arraytestfloat.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test optiontest.c @call :test optiontest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test floatcmptest.c @call :test floatcmptest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test floatmultest.c @call :test floatmultest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test staticconsttest.c @call :test staticconsttest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test arrayinittest.c @call :test arrayinittest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test array2stringinittest.c @call :test array2stringinittest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test testint16cmp.c @call :test testint16cmp.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test testint8cmp.c @call :test testint8cmp.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test testint32cmp.c @call :test testint32cmp.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test testinterval.c @call :test testinterval.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test floatstringtest.c @call :test floatstringtest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test qsorttest.c @call :test qsorttest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test loopdomtest.c @call :test loopdomtest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test loopboundtest.c @call :test loopboundtest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test byteindextest.c @call :test byteindextest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test asmtest.c @call :test asmtest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :testb bitshifttest.c @call :testb bitshifttest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test arrparam.c @call :test arrparam.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test bsstest.c @call :test bsstest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test copyintvec.c @call :test copyintvec.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test divmodtest.c @call :test divmodtest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test enumswitch.c @call :test enumswitch.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test incvector.c @call :test incvector.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test structoffsettest2.c @call :test structoffsettest2.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test funcvartest.c @call :test funcvartest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test structassigntest.c @call :test structassigntest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test structmembertest.c @call :test structmembertest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test randsumtest.c @call :test randsumtest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
call :test longcodetest.c @call :test longcodetest.c
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
exit /b 0 @exit /b 0
:error :error
echo Failed with error #%errorlevel%. echo Failed with error #%errorlevel%.
@ -125,42 +125,42 @@ exit /b %errorlevel%
:test :test
..\release\oscar64 -e %~1 ..\release\oscar64 -e %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
..\release\oscar64 -e -n %~1 ..\release\oscar64 -e -n %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
..\release\oscar64 -e -O2 %~1 ..\release\oscar64 -e -O2 %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
..\release\oscar64 -e -O2 -n %~1 ..\release\oscar64 -e -O2 -n %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
..\release\oscar64 -e -O0 %~1 ..\release\oscar64 -e -O0 %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
..\release\oscar64 -e -O0 -n %~1 ..\release\oscar64 -e -O0 -n %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
..\release\oscar64 -e -O3 %~1 ..\release\oscar64 -e -O3 %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
..\release\oscar64 -e -O3 -n %~1 ..\release\oscar64 -e -O3 -n %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
exit /b 0 @exit /b 0
:testb :testb
..\release\oscar64 -e %~1 ..\release\oscar64 -e %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
..\release\oscar64 -e -O2 %~1 ..\release\oscar64 -e -O2 %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
..\release\oscar64 -e -O0 %~1 ..\release\oscar64 -e -O0 %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
..\release\oscar64 -e -O3 %~1 ..\release\oscar64 -e -O3 %~1
if %errorlevel% neq 0 goto :error @if %errorlevel% neq 0 goto :error
exit /b 0 @exit /b 0

5
oscar64/Compiler.cpp
View File

@ -404,7 +404,7 @@ bool Compiler::WriteOutputFile(const char* targetPath)
return true; return true;
} }
int Compiler::ExecuteCode(void) int Compiler::ExecuteCode(bool profile)
{ {
Location loc; Location loc;
@ -427,6 +427,9 @@ int Compiler::ExecuteCode(void)
printf("Emulation result %d\n", ecode); printf("Emulation result %d\n", ecode);
if (profile)
emu->DumpProfile();
if (ecode != 0) if (ecode != 0)
{ {
char sd[20]; char sd[20];

2
oscar64/Compiler.h
View File

@ -41,7 +41,7 @@ public:
bool ParseSource(void); bool ParseSource(void);
bool GenerateCode(void); bool GenerateCode(void);
bool WriteOutputFile(const char* targetPath); bool WriteOutputFile(const char* targetPath);
int ExecuteCode(void); int ExecuteCode(bool profile);
void AddDefine(const Ident* ident, const char* value); void AddDefine(const Ident* ident, const char* value);

6
oscar64/Emulator.cpp
View File

@ -491,6 +491,11 @@ bool Emulator::EmulateInstruction(AsmInsType type, AsmInsMode mode, int addr, in
return true; return true;
} }
void Emulator::DumpProfile(void)
{
DumpCycles();
}
int Emulator::Emulate(int startIP) int Emulator::Emulate(int startIP)
{ {
int trace = 0; int trace = 0;
@ -683,7 +688,6 @@ int Emulator::Emulate(int startIP)
if (mMemory[i] != 0) if (mMemory[i] != 0)
printf("ZP %02x : %02x\n", i, mMemory[i]); printf("ZP %02x : %02x\n", i, mMemory[i]);
#endif #endif
DumpCycles();
return int16(mMemory[BC_REG_ACCU] + 256 * mMemory[BC_REG_ACCU + 1]); return int16(mMemory[BC_REG_ACCU] + 256 * mMemory[BC_REG_ACCU + 1]);
} }

1
oscar64/Emulator.h
View File

@ -20,6 +20,7 @@ public:
Linker* mLinker; Linker* mLinker;
int Emulate(int startIP); int Emulate(int startIP);
void DumpProfile(void);
bool EmulateInstruction(AsmInsType type, AsmInsMode mode, int addr, int & cycles); bool EmulateInstruction(AsmInsType type, AsmInsMode mode, int addr, int & cycles);
protected: protected:
void UpdateStatus(uint8 result); void UpdateStatus(uint8 result);

245
oscar64/NativeCodeGenerator.cpp
View File

@ -8183,6 +8183,141 @@ void NativeCodeBasicBlock::GlobalRegisterYMap(int reg)
} }
} }
bool NativeCodeBasicBlock::ReduceLocalYPressure(void)
{
bool changed = false;
if (!mVisited)
{
mVisited = true;
int loadYRegs[256];
int start = 0;
while (start < mIns.Size())
{
while (start < mIns.Size() && (mIns[start].mLive & LIVE_CPU_REG_X))
start++;
if (start < mIns.Size())
{
int end = start + 1;
for (int i = 0; i < 256; i++)
loadYRegs[i] = 0;
int yreg = -1, areg = -1;
while (end < mIns.Size() && !mIns[end].ChangesXReg())
{
const NativeCodeInstruction& ins(mIns[end]);
if (ins.mType == ASMIT_LDY && ins.mMode == ASMIM_ZERO_PAGE)
{
yreg = ins.mAddress;
if (loadYRegs[yreg] >= 0)
loadYRegs[yreg]++;
}
else if (ins.mType == ASMIT_TAY)
{
yreg = areg;
if (yreg > 0 && loadYRegs[yreg] >= 0)
loadYRegs[yreg]++;
}
else if (ins.mType == ASMIT_STA && ins.mMode == ASMIM_ZERO_PAGE)
{
areg = ins.mAddress;
}
else if (ins.mMode == ASMIM_INDIRECT_Y)
{
if (yreg != -1)
loadYRegs[yreg] = -1;
}
else if (ins.ChangesYReg())
yreg = -1;
else if (ins.ChangesAccu())
areg = -1;
end++;
}
if (end > start)
{
int maxy = 0, maxr = 0;
for (int i = 1; i < 256; i++)
{
if (loadYRegs[i] > maxy)
{
maxy = loadYRegs[i];
maxr = i;
}
}
if (maxy > 1)
{
bool active = false;
int aactive = false;
for (int i = start; i < end; i++)
{
NativeCodeInstruction& ins(mIns[i]);
if (ins.mType == ASMIT_LDY && ins.mMode == ASMIM_ZERO_PAGE && ins.mAddress == maxr)
{
ins.mType = ASMIT_LDX;
active = true;
aactive = false;
}
else if ((ins.mType == ASMIT_LDA || ins.mType == ASMIT_STA) && ins.mMode == ASMIM_ZERO_PAGE && ins.mAddress == maxr)
{
aactive = true;
}
else if (active)
{
aactive = false;
if (ins.mType == ASMIT_INY)
ins.mType = ASMIT_INX;
else if (ins.mType == ASMIT_DEY)
ins.mType = ASMIT_DEX;
else if (ins.mType == ASMIT_CPY)
ins.mType = ASMIT_CPX;
else if (ins.mType == ASMIT_TYA)
ins.mType = ASMIT_TXA;
else if (ins.mType == ASMIT_STY)
ins.mType = ASMIT_STX;
else if (ins.mMode == ASMIM_ABSOLUTE_Y)
ins.mMode = ASMIM_ABSOLUTE_X;
else if (ins.mType == ASMIT_LDY || ins.mType == ASMIT_TAY)
active = false;
}
else if (aactive)
{
if (ins.mType == ASMIT_TAY)
{
ins.mType = ASMIT_TAX;
active = true;
}
else if (ins.ChangesAccu())
aactive = false;
}
}
changed = true;
}
}
start = end;
}
}
if (mTrueJump && mTrueJump->ReduceLocalYPressure())
changed = true;
if (mFalseJump && mFalseJump->ReduceLocalYPressure())
changed = true;
}
return changed;
}
bool NativeCodeBasicBlock::LocalRegisterXYMap(void) bool NativeCodeBasicBlock::LocalRegisterXYMap(void)
{ {
bool changed = false; bool changed = false;
@ -8678,7 +8813,7 @@ bool NativeCodeBasicBlock::FindGlobalAddress(int at, int reg, int& apos)
return false; return false;
} }
bool NativeCodeBasicBlock::FindGlobalAddressSumY(int at, int reg, bool direct, int& apos, const NativeCodeInstruction*& ains, const NativeCodeInstruction*& iins, uint32& flags) bool NativeCodeBasicBlock::FindGlobalAddressSumY(int at, int reg, bool direct, int& apos, const NativeCodeInstruction*& ains, const NativeCodeInstruction*& iins, uint32& flags, int& addr)
{ {
flags = 0; flags = 0;
@ -8812,6 +8947,38 @@ bool NativeCodeBasicBlock::FindGlobalAddressSumY(int at, int reg, bool direct, i
iins = &(mIns[j + 1]); iins = &(mIns[j + 1]);
apos = j + 0; apos = j + 0;
addr = mIns[j + 2].mAddress + 256 * (mIns[j + 4].mAddress + mIns[j + 5].mAddress);
int ireg = iins->mAddress;
if (reg == ireg && !direct)
return false;
int k = j + 7;
while (k < at)
{
if (mIns[k].mMode == ASMIM_ZERO_PAGE && mIns[k].mAddress == ireg && mIns[k].ChangesAddress())
return false;
if (reg == ireg && mIns[k].ChangesYReg())
return false;
k++;
}
return true;
}
else if (mIns[j + 0].mType == ASMIT_CLC &&
mIns[j + 1].mType == ASMIT_LDA && mIns[j + 1].mMode == ASMIM_IMMEDIATE &&
mIns[j + 2].mType == ASMIT_ADC && mIns[j + 2].mMode == ASMIM_ZERO_PAGE &&
mIns[j + 3].mType == ASMIT_STA && mIns[j + 3].mMode == ASMIM_ZERO_PAGE && mIns[j + 3].mAddress == reg &&
mIns[j + 4].mType == ASMIT_LDA && mIns[j + 4].mMode == ASMIM_IMMEDIATE &&
mIns[j + 5].mType == ASMIT_ADC && mIns[j + 5].mMode == ASMIM_IMMEDIATE &&
mIns[j + 6].mType == ASMIT_STA && mIns[j + 6].mMode == ASMIM_ZERO_PAGE && mIns[j + 6].mAddress == reg + 1)
{
ains = &(mIns[j + 1]);
iins = &(mIns[j + 2]);
apos = j + 0;
addr = mIns[j + 1].mAddress + 256 * (mIns[j + 4].mAddress + mIns[j + 5].mAddress);
int ireg = iins->mAddress; int ireg = iins->mAddress;
if (reg == ireg && !direct) if (reg == ireg && !direct)
return false; return false;
@ -8840,6 +9007,8 @@ bool NativeCodeBasicBlock::FindGlobalAddressSumY(int at, int reg, bool direct, i
iins = nullptr; iins = nullptr;
apos = j + 1; apos = j + 1;
addr = mIns[j + 2].mAddress + 256 * (mIns[j + 4].mAddress + mIns[j + 5].mAddress);
if (!direct) if (!direct)
return false; return false;
@ -8910,7 +9079,7 @@ bool NativeCodeBasicBlock::FindGlobalAddressSumY(int at, int reg, bool direct, i
return false; return false;
j--; j--;
} }
if (mFromJump->FindGlobalAddressSumY(mFromJump->mIns.Size(), reg, false, apos, ains, iins, flags)) if (mFromJump->FindGlobalAddressSumY(mFromJump->mIns.Size(), reg, false, apos, ains, iins, flags, addr))
{ {
if (iins->mMode == ASMIM_ZERO_PAGE) if (iins->mMode == ASMIM_ZERO_PAGE)
{ {
@ -9028,6 +9197,12 @@ bool NativeCodeBasicBlock::PatchAddressSumY(int at, int reg, int apos, int breg,
if (last == mIns.Size()) if (last == mIns.Size())
return false; return false;
if (mIns[last].mLive & LIVE_CPU_REG_Y)
{
mIns.Insert(last + 1, NativeCodeInstruction(ASMIT_LDY, ASMIM_IMMEDIATE, yindex));
mIns[last + 1].mLive |= CPU_REG_Y;
}
for (int i = 0; i < 6; i++) for (int i = 0; i < 6; i++)
{ {
mIns[apos + i + 1].mType = ASMIT_NOP; mIns[apos + i + 1].mType = ASMIT_NOP;
@ -11168,7 +11343,7 @@ bool NativeCodeBasicBlock::PeepHoleOptimizer(int pass)
int sreg = mIns[i + 0].mAddress; int sreg = mIns[i + 0].mAddress;
int apos, breg, ireg; int apos, breg, ireg, addr;
uint32 flags; uint32 flags;
if (FindAddressSumY(i, sreg, apos, breg, ireg)) if (FindAddressSumY(i, sreg, apos, breg, ireg))
@ -11196,7 +11371,7 @@ bool NativeCodeBasicBlock::PeepHoleOptimizer(int pass)
#endif #endif
} }
else if (FindGlobalAddressSumY(i, sreg, true, apos, ains, iins, flags)) else if (FindGlobalAddressSumY(i, sreg, true, apos, ains, iins, flags, addr))
{ {
if (iins || (flags & LIVE_CPU_REG_Y) || (flags & LIVE_CPU_REG_X)) //!(mIns[i + 1].mLive & LIVE_CPU_REG_X)) if (iins || (flags & LIVE_CPU_REG_Y) || (flags & LIVE_CPU_REG_X)) //!(mIns[i + 1].mLive & LIVE_CPU_REG_X))
{ {
@ -11219,8 +11394,18 @@ bool NativeCodeBasicBlock::PeepHoleOptimizer(int pass)
{ {
mIns[i + 0].mMode = ASMIM_ABSOLUTE_X; mIns[i + 0].mMode = ASMIM_ABSOLUTE_X;
} }
if (ains->mMode == ASMIM_IMMEDIATE)
{
mIns[i + 0].mLinkerObject = nullptr;
mIns[i + 0].mAddress = addr;
}
else
{
mIns[i + 0].mLinkerObject = ains->mLinkerObject; mIns[i + 0].mLinkerObject = ains->mLinkerObject;
mIns[i + 0].mAddress = ains->mAddress; mIns[i + 0].mAddress = ains->mAddress;
}
mIns[i + 0].mFlags &= ~NCIF_YZERO; mIns[i + 0].mFlags &= ~NCIF_YZERO;
if (!iins) if (!iins)
@ -11564,10 +11749,10 @@ bool NativeCodeBasicBlock::PeepHoleOptimizer(int pass)
const NativeCodeInstruction* ains, *iins; const NativeCodeInstruction* ains, *iins;
int sreg = mIns[i + 1].mAddress; int sreg = mIns[i + 1].mAddress;
int apos; int apos, addr;
uint32 flags; uint32 flags;
if (FindGlobalAddressSumY(i, sreg, true, apos, ains, iins, flags)) if (FindGlobalAddressSumY(i, sreg, true, apos, ains, iins, flags, addr))
{ {
if (iins || (flags & LIVE_CPU_REG_Y) || (flags & LIVE_CPU_REG_X)) //!(mIns[i + 1].mLive & LIVE_CPU_REG_X)) if (iins || (flags & LIVE_CPU_REG_Y) || (flags & LIVE_CPU_REG_X)) //!(mIns[i + 1].mLive & LIVE_CPU_REG_X))
{ {
@ -11594,7 +11779,7 @@ bool NativeCodeBasicBlock::PeepHoleOptimizer(int pass)
if (ains->mMode == ASMIM_IMMEDIATE) if (ains->mMode == ASMIM_IMMEDIATE)
{ {
mIns[i + 1].mLinkerObject = 0; mIns[i + 1].mLinkerObject = 0;
mIns[i + 1].mAddress = ains[0].mAddress + 256 * (ains[2].mAddress + ains[3].mAddress); mIns[i + 1].mAddress = addr;
} }
else else
{ {
@ -12154,6 +12339,15 @@ bool NativeCodeBasicBlock::PeepHoleOptimizer(int pass)
progress = true; progress = true;
} }
#endif #endif
else if (
mIns[i + 0].mType == ASMIT_TAX &&
mIns[i + 1].mType == ASMIT_TAY &&
mIns[i + 2].mMode == ASMIM_ABSOLUTE_Y && (mIns[i + 2].mLive & LIVE_CPU_REG_X) && !(mIns[i + 2].mLive & LIVE_CPU_REG_Y))
{
mIns[i + 1].mType = ASMIT_NOP; mIns[i + 1].mMode = ASMIM_IMPLIED;
mIns[i + 2].mMode = ASMIM_ABSOLUTE_X;
progress = true;
}
#if 1 #if 1
if ( if (
mIns[i + 0].mType == ASMIT_LDY && mIns[i + 0].mMode == ASMIM_IMMEDIATE && mIns[i + 0].mAddress <= 1 && mIns[i + 0].mType == ASMIT_LDY && mIns[i + 0].mMode == ASMIM_IMMEDIATE && mIns[i + 0].mAddress <= 1 &&
@ -12411,6 +12605,39 @@ bool NativeCodeBasicBlock::PeepHoleOptimizer(int pass)
progress = true; progress = true;
} }
#endif #endif
else if (
mIns[i + 0].mType == ASMIT_TYA &&
mIns[i + 1].mType == ASMIT_CLC &&
mIns[i + 2].mType == ASMIT_ADC && mIns[i + 2].mMode == ASMIM_IMMEDIATE && mIns[i + 2].mAddress <= 2 &&
mIns[i + 3].mType == ASMIT_TAY && !(mIns[i + 3].mLive & (LIVE_CPU_REG_A | LIVE_CPU_REG_C)))
{
mIns[i + 0].mType = ASMIT_NOP; mIns[i + 0].mMode = ASMIM_IMPLIED;
mIns[i + 1].mType = ASMIT_NOP; mIns[i + 0].mMode = ASMIM_IMPLIED;
mIns[i + 2].mType = ASMIT_INY; mIns[i + 2].mMode = ASMIM_IMPLIED;
if (mIns[i + 2].mAddress == 2)
mIns[i + 3].mType = ASMIT_INY;
else
mIns[i + 3].mType = ASMIT_NOP;
mIns[i + 3].mMode = ASMIM_IMPLIED;
progress = true;
}
else if (
mIns[i + 0].mType == ASMIT_TYA &&
mIns[i + 1].mType == ASMIT_SEC &&
mIns[i + 2].mType == ASMIT_SBC && mIns[i + 2].mMode == ASMIM_IMMEDIATE && mIns[i + 2].mAddress <= 2 &&
mIns[i + 3].mType == ASMIT_TAY && !(mIns[i + 3].mLive & (LIVE_CPU_REG_A | LIVE_CPU_REG_C)))
{
mIns[i + 0].mType = ASMIT_NOP; mIns[i + 0].mMode = ASMIM_IMPLIED;
mIns[i + 1].mType = ASMIT_NOP; mIns[i + 0].mMode = ASMIM_IMPLIED;
mIns[i + 2].mType = ASMIT_DEY; mIns[i + 2].mMode = ASMIM_IMPLIED;
if (mIns[i + 2].mAddress == 2)
mIns[i + 3].mType = ASMIT_DEY;
else
mIns[i + 3].mType = ASMIT_NOP;
mIns[i + 3].mMode = ASMIM_IMPLIED;
progress = true;
}
else if ( else if (
mIns[i + 0].mType == ASMIT_LDA && mIns[i + 0].mMode == ASMIM_ZERO_PAGE && mIns[i + 0].mType == ASMIT_LDA && mIns[i + 0].mMode == ASMIM_ZERO_PAGE &&
mIns[i + 1].IsShift() && mIns[i + 1].mMode == ASMIM_IMPLIED && mIns[i + 1].IsShift() && mIns[i + 1].mMode == ASMIM_IMPLIED &&
@ -13601,6 +13828,10 @@ void NativeCodeProcedure::Optimize(void)
{ {
ResetVisited(); ResetVisited();
changed = mEntryBlock->OptimizeInnerLoops(this); changed = mEntryBlock->OptimizeInnerLoops(this);
ResetVisited();
if (mEntryBlock->ReduceLocalYPressure())
changed = true;
} }
#if 1 #if 1
else if (step == 4) else if (step == 4)

3
oscar64/NativeCodeGenerator.h
View File

@ -204,7 +204,7 @@ public:
bool FindAddressSumY(int at, int reg, int & apos, int& breg, int& ireg); bool FindAddressSumY(int at, int reg, int & apos, int& breg, int& ireg);
bool PatchAddressSumY(int at, int reg, int apos, int breg, int ireg); bool PatchAddressSumY(int at, int reg, int apos, int breg, int ireg);
bool FindGlobalAddress(int at, int reg, int& apos); bool FindGlobalAddress(int at, int reg, int& apos);
bool FindGlobalAddressSumY(int at, int reg, bool direct, int& apos, const NativeCodeInstruction * & ains, const NativeCodeInstruction*& iins, uint32 & flags); bool FindGlobalAddressSumY(int at, int reg, bool direct, int& apos, const NativeCodeInstruction * & ains, const NativeCodeInstruction*& iins, uint32 & flags, int & addr);
bool FindPageStartAddress(int at, int reg, int& addr); bool FindPageStartAddress(int at, int reg, int& addr);
bool MoveStoreXUp(int at); bool MoveStoreXUp(int at);
bool MoveStoreHighByteDown(int at); bool MoveStoreHighByteDown(int at);
@ -233,6 +233,7 @@ public:
void GlobalRegisterXMap(int reg); void GlobalRegisterXMap(int reg);
void GlobalRegisterYMap(int reg); void GlobalRegisterYMap(int reg);
bool LocalRegisterXYMap(void); bool LocalRegisterXYMap(void);
bool ReduceLocalYPressure(void);
}; };
class NativeCodeProcedure class NativeCodeProcedure

2
oscar64/Parser.cpp
View File

@ -1135,7 +1135,7 @@ Expression* Parser::ParseSimpleExpression(void)
while (mScanner->mToken == TK_STRING) while (mScanner->mToken == TK_STRING)
{ {
int s = strlen(mScanner->mTokenString); int s = strlen(mScanner->mTokenString);
uint8* d = new uint8[dec->mSize + s]; uint8* d = new uint8[dec->mSize + s + 1];
memcpy(d, dec->mData, dec->mSize - 1); memcpy(d, dec->mData, dec->mSize - 1);
int i = 0; int i = 0;
while (mScanner->mTokenString[i]) while (mScanner->mTokenString[i])

1
oscar64/Scanner.cpp
View File

@ -593,6 +593,7 @@ void Scanner::NextToken(void)
mPreprocessor->PushSource(); mPreprocessor->PushSource();
mPreprocessor->NextLine(); mPreprocessor->NextLine();
mOffset = 0; mOffset = 0;
NextChar();
} }
mPreprocessorMode = false; mPreprocessorMode = false;
} }

6
oscar64/oscar64.cpp
View File

@ -110,7 +110,7 @@ int main(int argc, const char** argv)
strcpy_s(crtPath, includePath); strcpy_s(crtPath, includePath);
strcat_s(crtPath, "crt.c"); strcat_s(crtPath, "crt.c");
bool emulate = false; bool emulate = false, profile = false;
targetPath[0] = 0; targetPath[0] = 0;
@ -159,6 +159,8 @@ int main(int argc, const char** argv)
else if (arg[1] == 'e') else if (arg[1] == 'e')
{ {
emulate = true; emulate = true;
if (arg[2] == 'p')
profile = true;
} }
else if (arg[1] == 'd') else if (arg[1] == 'd')
{ {
@ -217,7 +219,7 @@ int main(int argc, const char** argv)
compiler->WriteOutputFile(targetPath); compiler->WriteOutputFile(targetPath);
if (emulate) if (emulate)
compiler->ExecuteCode(); compiler->ExecuteCode(profile);
} }
} }

115
samples/scrolling/bigfont.c Normal file
View File

@ -0,0 +1,115 @@
#include <c64/vic.h>
#include <c64/memmap.h>
#include <string.h>
byte font[2048];
void copyFont(void)
{
mmap_set(MMAP_CHAR_ROM);
memcpy(font, (byte *)0xd800, 2048);
mmap_set(MMAP_ROM);
}
#define screen ((byte *)0x0400)
#define color ((byte *)0xd800)
#define sline(x, y) (screen + 40 * (y) + (x))
#define srow 5
void scrollLeft(void)
{
for(char x=0; x<39; x++)
{
#assign y 0
#repeat
sline(0, srow + y)[x] = sline(1, srow + y)[x];
#assign y y + 1
#until y == 16
}
}
void expand(char c, byte f)
{
byte * fp = font + 8 * c;
#assign y 0
#repeat
sline(39, srow + 2 * y + 0)[0] =
sline(39, srow + 2 * y + 1)[0] = (fp[y] & f) ? 160 : 32;
#assign y y + 1
#until y == 8
}
const char * text =
s"Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt "
s"ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo "
s"dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit "
s"amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor "
s"invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam "
s"et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet."
inline void waitBottom(void)
{
while (!(vic.ctrl1 & VIC_CTRL1_RST8))
;
}
inline void waitTop(void)
{
while ((vic.ctrl1 & VIC_CTRL1_RST8))
;
}
int main(void)
{
mmap_trampoline();
copyFont();
memset(screen, 0x20, 1000);
for(int i=0; i<16; i++)
memset(color + 40 * (srow + i), i + 1, 40);
vic.color_back = VCOL_BLACK;
vic.color_border = VCOL_BLACK;
vic.ctrl2 = 0;
int ci = 0;
for(;;)
{
byte cf = 0x80;
while (cf)
{
for(char i=0; i<2; i++)
{
waitBottom();
vic.ctrl2 = 4;
waitTop();
waitBottom();
vic.ctrl2 = 2;
waitTop();
waitBottom();
vic.ctrl2 = 0;
waitTop();
waitBottom();
vic.ctrl2 = 6;
scrollLeft();
expand(text[ci], cf);
}
cf >>= 1;
}
ci++;
}
return 0;
}

238
samples/scrolling/grid2d.c Normal file
View File

@ -0,0 +1,238 @@
#include <c64/vic.h>
#include <c64/memmap.h>
#include <string.h>
#include <stdlib.h>
#include <c64/rasterirq.h>
#define screen ((byte *)0x0400)
#define color ((byte *)0xd800)
#define sline(x, y) (screen + 40 * (y) + (x))
static const char quad[4][4 * 4] =
{
{
0x20, 0x55, 0x6c, 0x4e,
0x20, 0x5d, 0xe1, 0x65,
0x20, 0x5d, 0xe1, 0x65,
0x20, 0x4a, 0x7c, 0x4d,
},
{
0x20, 0x40, 0x62, 0x77,
0x20, 0x20, 0xa0, 0x20,
0x20, 0x20, 0xa0, 0x20,
0x20, 0x40, 0xe2, 0x6f,
},
{
0x20, 0x40, 0x62, 0x77,
0x20, 0x20, 0xa0, 0x20,
0x20, 0x20, 0xa0, 0x20,
0x20, 0x40, 0xe2, 0x6f,
},
{
0x20, 0x49, 0x7b, 0x4d,
0x20, 0x5d, 0x61, 0x6a,
0x20, 0x5d, 0x61, 0x6a,
0x20, 0x4b, 0x7e, 0x4e,
}
};
#pragma align(quad, 256)
void expandrow0(char * dp, const char * grid, char ly)
{
char gi;
#assign gx 0
#repeat
gi = grid[gx] | ly;
dp[4 * gx + 0] = quad[0][gi];
dp[4 * gx + 1] = quad[1][gi];
dp[4 * gx + 2] = quad[2][gi];
dp[4 * gx + 3] = quad[3][gi];
#assign gx gx + 1
#until gx == 10
}
void expandrow1(char * dp, const char * grid, char ly)
{
char gi;
gi = grid[0] | ly;
dp[0] = quad[1][gi];
dp[1] = quad[2][gi];
dp[2] = quad[3][gi];
#assign gx 0
#repeat
gi = grid[gx + 1] | ly;
dp[4 * gx + 3] = quad[0][gi];
dp[4 * gx + 4] = quad[1][gi];
dp[4 * gx + 5] = quad[2][gi];
dp[4 * gx + 6] = quad[3][gi];
#assign gx gx + 1
#until gx == 9
gi = grid[10] | ly;
dp[39] = quad[0][gi];
}
void expandrow2(char * dp, const char * grid, char ly)
{
char gi;
gi = grid[0] | ly;
dp[0] = quad[2][gi];
dp[1] = quad[3][gi];
#assign gx 0
#repeat
gi = grid[gx + 1] | ly;
dp[4 * gx + 2] = quad[0][gi];
dp[4 * gx + 3] = quad[1][gi];
dp[4 * gx + 4] = quad[2][gi];
dp[4 * gx + 5] = quad[3][gi];
#assign gx gx + 1
#until gx == 9
gi = grid[10] | ly;
dp[38] = quad[0][gi];
dp[39] = quad[1][gi];
}
void expandrow3(char * dp, const char * grid, char ly)
{
char gi;
gi = grid[0] | ly;
dp[0] = quad[3][gi];
#assign gx 0
#repeat
gi = grid[gx + 1] | ly;
dp[4 * gx + 1] = quad[0][gi];
dp[4 * gx + 2] = quad[1][gi];
dp[4 * gx + 3] = quad[2][gi];
dp[4 * gx + 4] = quad[3][gi];
#assign gx gx + 1
#until gx == 9
gi = grid[10] | ly;
dp[37] = quad[0][gi];
dp[38] = quad[1][gi];
dp[39] = quad[2][gi];
}
void expand(char * dp, const char * grid, char px, char py)
{
char ry = 4 * (py & 3);
char rx = px & 3;
char * cdp = dp;
const char * cgrid = grid + (px >> 2) + 16 * (py >> 2);
for(char gy=0; gy<20; gy++)
{
switch (rx)
{
case 0:
expandrow0(cdp, cgrid, ry);
break;
case 1:
expandrow1(cdp, cgrid, ry);
break;
case 2:
expandrow2(cdp, cgrid, ry);
break;
default:
expandrow3(cdp, cgrid, ry);
break;
}
cdp += 40;
ry += 4;
if (ry == 16)
{
ry = 0;
cgrid += 16;
}
}
}
char grid[16][16];
#pragma align(grid, 256)
RIRQCode blank, scroll, bottom;
int main(void)
{
for(char y=0; y<16; y++)
{
for(char x=0; x<16; x++)
{
grid[y][x] = rand() & 3;
}
}
vic.color_border = 0;
rirq_init(true);
rirq_build(&blank, 1);
rirq_write(&blank, 0, &vic.ctrl1, 0);
rirq_set(0, 46 + 5 * 8, &blank);
rirq_build(&scroll, 3);
rirq_delay(&scroll, 10);
rirq_write(&scroll, 1, &vic.ctrl1, VIC_CTRL1_DEN);
rirq_write(&scroll, 2, &vic.ctrl2, 0);
rirq_set(1, 54 + 5 * 8, &scroll);
rirq_build(&bottom, 2);
rirq_write(&bottom, 0, &vic.ctrl1, VIC_CTRL1_DEN | VIC_CTRL1_RSEL);
rirq_write(&bottom, 1, &vic.ctrl2, VIC_CTRL2_CSEL);
rirq_set(2, 250, &bottom);
rirq_sort();
rirq_start();
int py = 40 * 32, px = 40 * 32, dy = 0, dx = 0, ax = 0, ay = 0;
for(;;)
{
int rx = px >> 5, ry = py >> 5;
vic.color_border++;
rirq_wait();
vic.color_border--;
rirq_data(&blank, 0, ((7 - ry) & 7) | VIC_CTRL1_DEN | VIC_CTRL1_BMM | VIC_CTRL1_ECM);
if ((ry & 7) == 0)
rirq_data(&scroll, 0, 4);
else
rirq_data(&scroll, 0, 10);
rirq_data(&scroll, 1, ((7 - ry) & 7) | VIC_CTRL1_DEN);
rirq_data(&scroll, 2, (7 - rx) & 7);
expand(screen + 200, &(grid[0][0]), rx >> 3, ry >> 3);
dx += ax;
dy += ay;
if ((rand() & 127) == 0)
{
ax = (rand() & 63) - 32;
ay = (rand() & 63) - 32;
}
dx -= (dx + 8) >> 4;
dy -= (dy + 8) >> 4;
py += dy;
if (py < 0 || py > 10 * 8 * 4 * 32)
{
dy = -dy;
py += dy;
}
px += dx;
if (px < 0 || px > 6 * 8 * 4 * 32)
{
dx = -dx;
px += dx;
}
}
return 0;
}

3
samples/scrolling/make.bat Normal file
View File

@ -0,0 +1,3 @@
..\..\bin\oscar64 bigfont.c -n
..\..\bin\oscar64 tunnel.c -n
..\..\bin\oscar64 grid2d.c -n

218
samples/scrolling/tunnel.c Normal file
View File

@ -0,0 +1,218 @@
#include <c64/vic.h>
#include <c64/memmap.h>
#include <string.h>
#include <stdlib.h>
#define screen ((byte *)0x0400)
#define color ((byte *)0xd800)
#define sline(x, y) (screen + 40 * (y) + (x))
char rbuff[25];
void expand(char x)
{
#assign y 0
#repeat
sline(0, y)[x] = rbuff[y];
#assign y y + 1
#until y == 25
}
void scrollLeft(void)
{
for(char x=0; x<39; x++)
{
#assign y 0
#repeat
sline(0, y)[x] = sline(1, y)[x];
#assign y y + 1
#until y == 12
}
#assign y 0
#repeat
sline(0, y)[39] = rbuff[y];
#assign y y + 1
#until y == 12
for(char x=0; x<39; x++)
{
#assign y 12
#repeat
sline(0, y)[x] = sline(1, y)[x];
#assign y y + 1
#until y == 25
}
#assign y 12
#repeat
sline(0, y)[39] = rbuff[y];
#assign y y + 1
#until y == 25
}
void scrollRight(void)
{
for(char x=39; x>0; x--)
{
#assign y 0
#repeat
sline(0, y)[x] = sline(-1, y)[x];
#assign y y + 1
#until y == 12
}
#assign y 0
#repeat
sline(0, y)[0] = rbuff[y];
#assign y y + 1
#until y == 12
for(char x=39; x>0; x--)
{
#assign y 12
#repeat
sline(0, y)[x] = sline(-1, y)[x];
#assign y y + 1
#until y == 25
}
#assign y 12
#repeat
sline(0, y)[0] = rbuff[y];
#assign y y + 1
#until y == 25
}
inline void waitBottom(void)
{
while (!(vic.ctrl1 & VIC_CTRL1_RST8))
;
}
inline void waitTop(void)
{
while ((vic.ctrl1 & VIC_CTRL1_RST8))
;
}
char ytop[256], ybottom[256];
void prepcol(char xi)
{
char yt, yb;
signed char dyt, dyb;
yt = ytop[(char)(xi + 0)];
yb = ybottom[(char)(xi + 0)];
dyt = yt - ytop[(char)(xi - 1)];
dyb = yb - ybottom[(char)(xi - 1)];
for(char i=0; i<yt; i++)
rbuff[i] = 160;
for(char i=yt; i<yb; i++)
rbuff[i] = 32;
for(char i=yb; i<25; i++)
rbuff[i] = 160;
if (dyt < 0)
rbuff[yt] = 105;
else if (dyt > 0)
rbuff[yt - 1] = 95;
if (dyb < 0)
rbuff[yb] = 233;
else if (dyb > 0)
rbuff[yb - 1] = 223;
}
void buildTunnel(void)
{
signed char yt = 1, yb = 24, dyt = 1, dyb = -1;
for(int i=0; i<256; i++)
{
unsigned r = rand();
if (!(r & 0x00e0))
dyt = -dyt;
if (!(r & 0xe000))
dyb = -dyb;
yt += dyt;
yb += dyb;
if (yt < 0)
{
yt = 0;
dyt = 1;
}
if (yb > 25)
{
yb = 25;
dyb = -1;
}
ytop[i] = yt;
ybottom[i] = yb;
if (yt + 5 > yb)
{
dyt = -1;
dyb = 1;
}
}
}
int main(void)
{
memset(screen, 0x20, 1000);
memset(color, 7, 1000);
vic.color_back = VCOL_BLACK;
vic.color_border = VCOL_BLACK;
buildTunnel();
for(char i=0; i<40; i++)
{
prepcol(i);
expand(i);
}
int xpos = 0, dx = 0, ax = 1;
int xi = 0, pxi = 0;
for(;;)
{
unsigned r = rand();
if ((r & 127) == 0)
ax = -ax;
dx += ax;
if (dx > 32)
dx = 32;
else if (dx < -32)
dx = -32;
xpos += dx;
pxi = xi;
xi = xpos >> 5;
if (pxi < xi)
prepcol(xi + 39);
else if (pxi > xi)
prepcol(xi + 0);
waitTop();
waitBottom();
vic.ctrl2 = (7 - (xpos >> 2)) & 7;
if (pxi < xi)
scrollLeft();
else if (pxi > xi)
scrollRight();
}
return 0;
}