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Refactor MC6850 for C++14/17 updates

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Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
This commit is contained in:
Adrian Conlon
2018-10-27 21:58:23 +01:00
parent 1a317c7907
commit 99692ce6c7
4 changed files with 43 additions and 25 deletions
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MC6809/test/Board.cpp
+11 -4
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@@ -28,7 +28,7 @@ void Board::initialise() {
updateAciaPins(EightBit::Chip::PinLevel::Low);
ACIA().lower(ACIA().CTS());
ACIA().powerOn();
ACIA().access();
accessAcia();
// Once the reset has completed, we can wire the ACIA event handlers...
ACIA().Transmitting.connect(std::bind(&Board::Acia_Transmitting, this, std::placeholders::_1));
@@ -75,13 +75,13 @@ void Board::Bus_WrittenByte_Acia(EightBit::EventArgs&) {
updateAciaPins(EightBit::Chip::Low);
if (ACIA().selected()) {
ACIA().DATA() = peek(ADDRESS());
ACIA().access();
accessAcia();
}
}
void Board::Bus_ReadingByte_Acia(EightBit::EventArgs&) {
updateAciaPins(EightBit::Chip::High);
if (ACIA().access())
if (accessAcia())
poke(ADDRESS(), ACIA().DATA());
}
@@ -115,4 +115,11 @@ void Board::Cpu_ExecutedInstruction_Acia(EightBit::mc6809&) {
void Board::Acia_Transmitting(EightBit::EventArgs&) {
std::cout << ACIA().TDR();
ACIA().markTransmitComplete();
}
}
bool Board::accessAcia() {
ACIA().raise(ACIA().E());
const bool accessed = ACIA().tick();
ACIA().lower(ACIA().E());
return accessed;
}