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Performance: watch out for unnecessary virtualised methods.

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon
2018-01-06 17:13:02 +00:00
parent 28f11b15bb
commit 108f66632e
3 changed files with 10 additions and 13 deletions
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4
inc/IntelProcessor.h
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@@ -125,8 +125,8 @@ namespace EightBit {
MEMPTR().word++; MEMPTR().word++;
} }
virtual void getWordViaMemptr(register16_t& value); void getWordViaMemptr(register16_t& value);
virtual void setWordViaMemptr(register16_t value); void setWordViaMemptr(register16_t value);
// //

10
inc/Processor.h
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@@ -106,8 +106,14 @@ namespace EightBit {
void halt() { --PC().word; lower(HALT()); } void halt() { --PC().word; lower(HALT()); }
void proceed() { ++PC().word; raise(HALT()); } void proceed() { ++PC().word; raise(HALT()); }
virtual uint8_t fetchByte(); uint8_t fetchByte() {
virtual void fetchWord(register16_t& output); return getByte(PC().word++);
}
void fetchWord(register16_t& output) {
output.low = fetchByte();
output.high = fetchByte();
}
void fetchWord() { void fetchWord() {
fetchWord(MEMPTR()); fetchWord(MEMPTR());

9
src/Processor.cpp
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@@ -27,12 +27,3 @@ int EightBit::Processor::singleStep() {
reset(); reset();
return step(); return step();
} }
uint8_t EightBit::Processor::fetchByte() {
return getByte(PC().word++);
}
void EightBit::Processor::fetchWord(register16_t& output) {
output.low = fetchByte();
output.high = fetchByte();
}