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Reintroduces a warm-up run for the C1540.

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That simulates the normal real-life scenario of switching the drive on slightly before the computer, and causes it to function correctly from immediate fast typing on an American Vic.

Also switches a couple of casts within the C1540 to functional style.
This commit is contained in:
Thomas Harte 2018-03-26 21:06:07 -04:00
parent a776bec46a
commit 6d464557a0
2 changed files with 8 additions and 4 deletions
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8
Machines/Commodore/1540/Implementation/C1540.cpp
View File

@ -165,14 +165,15 @@ void SerialPortVIA::set_port_output(MOS::MOS6522::Port port, uint8_t value, uint
attention_acknowledge_level_ = !(value&0x10);
data_level_output_ = (value&0x02);
serialPort->set_output(::Commodore::Serial::Line::Clock, (::Commodore::Serial::LineLevel)!(value&0x08));
// printf("[C1540] %s output is %s\n", StringForLine(::Commodore::Serial::Line::Clock), value ? "high" : "low");
serialPort->set_output(::Commodore::Serial::Line::Clock, static_cast<::Commodore::Serial::LineLevel>(!(value&0x08)));
update_data_line();
}
}
}
void SerialPortVIA::set_serial_line_state(::Commodore::Serial::Line line, bool value) {
// printf("[C1540] %s is %s\n", StringForLine(line), value ? "high" : "low");
// printf("[C1540] %s input is %s\n", StringForLine(line), value ? "high" : "low");
switch(line) {
default: break;
@ -194,9 +195,10 @@ void SerialPortVIA::set_serial_port(const std::shared_ptr<::Commodore::Serial::P
void SerialPortVIA::update_data_line() {
std::shared_ptr<::Commodore::Serial::Port> serialPort = serial_port_.lock();
if(serialPort) {
// printf("[C1540] %s output is %s\n", StringForLine(::Commodore::Serial::Line::Data), (!data_level_output_ && (attention_level_input_ != attention_acknowledge_level_)) ? "high" : "low");
// "ATN (Attention) is an input on pin 3 of P2 and P3 that is sensed at PB7 and CA1 of UC3 after being inverted by UA1"
serialPort->set_output(::Commodore::Serial::Line::Data,
(::Commodore::Serial::LineLevel)(!data_level_output_ && (attention_level_input_ != attention_acknowledge_level_)));
static_cast<::Commodore::Serial::LineLevel>(!data_level_output_ && (attention_level_input_ != attention_acknowledge_level_)));
}
}

4
Machines/Commodore/Vic-20/Vic20.cpp
View File

@ -383,6 +383,9 @@ class ConcreteMachine:
// give it a means to obtain its ROM
c1540_->set_rom_fetcher(rom_fetcher_);
// give it a little warm up
c1540_->run_for(Cycles(2000000));
}
insert_media(target->media);
@ -460,7 +463,6 @@ class ConcreteMachine:
switch(memory_model) {
default: break;
case Analyser::Static::Commodore::Target::MemoryModel::EightKB:
// TODO: is this 3kb or 8kb?
write_to_map(processor_read_memory_map_, expansion_ram_, 0x0000, 0x1000);
write_to_map(processor_write_memory_map_, expansion_ram_, 0x0000, 0x1000);
break;