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Further return by value, rather than reference.

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon
2018-02-26 19:47:35 +00:00
parent adf506a41e
commit c6eb68ba13
4 changed files with 20 additions and 18 deletions
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M6502/src/mos6502.cpp
+8 -6
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@@ -47,13 +47,15 @@ int EightBit::MOS6502::step() {
void EightBit::MOS6502::reset() {
Processor::reset();
getWordPaged(0xff, RSTvector, PC());
PC() = getWordPaged(0xff, RSTvector);
}
void EightBit::MOS6502::getWordPaged(uint8_t page, uint8_t offset, register16_t& output) {
output.low = getBytePaged(page, offset);
EightBit::register16_t EightBit::MOS6502::getWordPaged(uint8_t page, uint8_t offset) {
EightBit::register16_t returned;
returned.low = getBytePaged(page, offset);
BUS().ADDRESS().low++;
output.high = getByte();
returned.high = getByte();
return returned;
}
uint8_t EightBit::MOS6502::getBytePaged(uint8_t page, uint8_t offset) {
@@ -73,7 +75,7 @@ void EightBit::MOS6502::interrupt(uint8_t vector) {
pushWord(PC());
push(P());
setFlag(P(), IF);
getWordPaged(0xff, vector, PC());
PC() = getWordPaged(0xff, vector);
}
int EightBit::MOS6502::execute(uint8_t cell) {
@@ -545,5 +547,5 @@ void EightBit::MOS6502::BRK() {
pushWord(PC());
PHP();
setFlag(P(), IF);
getWordPaged(0xff, IRQvector, PC());
PC() = getWordPaged(0xff, IRQvector);
}