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Bring performance back to par by: inlining and static flag register access, where possible.

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Signed-off-by: Adrian.Conlon <adrian.conlon@arup.com>
This commit is contained in:
Adrian.Conlon
2017-06-18 18:14:39 +01:00
parent 5f288cf0e3
commit 23108a8536
7 changed files with 436 additions and 366 deletions
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20
src/IntelProcessor.cpp
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@@ -10,23 +10,3 @@ void EightBit::IntelProcessor::initialise() {
Processor::initialise();
MEMPTR().word = 0;
}
void EightBit::IntelProcessor::push(uint8_t value) {
m_memory.ADDRESS().word = --sp.word;
m_memory.reference() = value;
}
void EightBit::IntelProcessor::pushWord(register16_t value) {
push(value.high);
push(value.low);
}
uint8_t EightBit::IntelProcessor::pop() {
m_memory.ADDRESS().word = sp.word++;
return m_memory.reference();
}
void EightBit::IntelProcessor::popWord(register16_t& output) {
output.low = pop();
output.high = pop();
}