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Okay, so the 1540 doesn't toggle the actual attention line. I don't know what it does yet but this helps.

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This commit is contained in:
Thomas Harte 2016-07-06 22:31:14 -04:00
parent 1baf21827c
commit dcb86a027a
3 changed files with 4 additions and 4 deletions
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1
Machines/Commodore/1540/Commodore1540.cpp
View File

@ -72,6 +72,5 @@ void Machine::set_rom(const uint8_t *rom)
void Machine::mos6522_did_change_interrupt_status(void *mos6522)
{
printf("?");
set_irq_line(_serialPortVIA->get_interrupt_line() || _driveVIA.get_interrupt_line());
}

4
Machines/Commodore/1540/Commodore1540.hpp
View File

@ -34,7 +34,7 @@ class SerialPortVIA: public MOS::MOS6522<SerialPortVIA>, public MOS::MOS6522IRQD
if(port) {
std::shared_ptr<::Commodore::Serial::Port> serialPort = _serialPort.lock();
if(serialPort) {
serialPort->set_output(::Commodore::Serial::Line::Attention, !(value&0x10));
// serialPort->set_output(::Commodore::Serial::Line::Attention, !(value&0x10));
serialPort->set_output(::Commodore::Serial::Line::Clock, !(value&0x08));
serialPort->set_output(::Commodore::Serial::Line::Data, !(value&0x02));
}
@ -52,7 +52,7 @@ class SerialPortVIA: public MOS::MOS6522<SerialPortVIA>, public MOS::MOS6522IRQD
case ::Commodore::Serial::Line::Clock: _portB = (_portB & ~0x04) | (value ? 0x00 : 0x04); break;
case ::Commodore::Serial::Line::Attention:
_portB = (_portB & ~0x80) | (value ? 0 : 0x80);
set_control_line_input(Port::A, Line::One, !value); // truth here is active low; the 6522 takes true to be high
set_control_line_input(Port::A, Line::One, !value); // truth here is active low; my 6522 takes true to be high
break;
}
}

3
Machines/Commodore/Vic-20/Vic20.hpp
View File

@ -94,7 +94,8 @@ class UserPortVIA: public MOS::MOS6522<UserPortVIA>, public MOS::MOS6522IRQDeleg
void set_port_output(Port port, uint8_t value, uint8_t mask) {
if(!port) {
std::shared_ptr<::Commodore::Serial::Port> serialPort = _serialPort.lock();
if(serialPort) serialPort->set_output(::Commodore::Serial::Line::Attention, !(value&0x80));
if(serialPort)
serialPort->set_output(::Commodore::Serial::Line::Attention, !(value&0x80));
}
}