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Add power support to processor base class.

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Signed-off-by: Adrian.Conlon <adrian.conlon@gmail.com>
This commit is contained in:
Adrian.Conlon 2017-08-31 12:13:00 +01:00
parent 20c126adfc
commit 1eb127ed72
5 changed files with 13 additions and 1 deletions
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1
LR35902/fusetest_LR35902/FuseTestRunner.cpp
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@ -19,6 +19,7 @@ void Fuse::TestRunner::initialise() {
m_bus.disableGameRom();
initialiseRegisters();
initialiseMemory();
m_cpu.powerOn();
}
void Fuse::TestRunner::initialiseRegisters() {

1
Z80/fusetest_Z80/FuseTestRunner.cpp
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@ -18,6 +18,7 @@ Fuse::TestRunner::TestRunner(const Test& test, const ExpectedTestResult& expecte
void Fuse::TestRunner::initialise() {
initialiseRegisters();
initialiseMemory();
m_cpu.powerOn();
}
void Fuse::TestRunner::initialiseRegisters() {

7
inc/Processor.h
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@ -61,6 +61,10 @@ namespace EightBit {
void halt() { --PC().word; m_halted = true; }
void proceed() { ++PC().word; m_halted = false; }
bool powered() const { return m_power; }
void powerOn() { m_power = true; }
void powerOff() { m_power = false; }
virtual void initialise();
void reset();
@ -102,6 +106,8 @@ namespace EightBit {
}
virtual int fetchExecute() {
if (!powered())
return 0;
return execute(fetchByte());
}
@ -142,5 +148,6 @@ namespace EightBit {
register16_t pc;
register16_t m_memptr;
bool m_halted;
bool m_power;
};
}

2
inc/TestHarness.h
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@ -55,6 +55,8 @@ namespace EightBit {
m_startHostCycles = currentHostCycles();
auto& cpu = m_board.CPU();
cpu.powerOn();
while (!cpu.isHalted()) {
m_totalCycles += cpu.step();
++m_instructions;

3
src/Processor.cpp
View File

@ -4,7 +4,8 @@
EightBit::Processor::Processor(Memory& memory)
: m_memory(memory),
cycles(0),
m_halted(false) {
m_halted(false),
m_power(false) {
PC().word = 0;
}