6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2025-01-27 22:30:49 +00:00
Code Issues Projects Releases Wiki Activity

Merge branch 'AtariST' of github.com:TomHarte/CLK into AtariST

Browse Source
This commit is contained in:
Thomas Harte 2019-10-20 23:40:01 -04:00
commit e4f7ead894
1 changed files with 19 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
Components/SerialPort/SerialPort.cpp
View File

@ -15,6 +15,7 @@ void Line::set_writer_clock_rate(int clock_rate) {
}
void Line::advance_writer(int cycles) {
<<<<<<< HEAD
if(!cycles) return;
remaining_delays_ = std::max(remaining_delays_ - cycles, 0);
@ -30,6 +31,15 @@ void Line::advance_writer(int cycles) {
} else {
while(!events_.empty()) {
if(events_.front().delay <= cycles) {
=======
remaining_delays_ = std::max(remaining_delays_ - cycles, 0);
if(events_.empty()) {
write_cycles_since_delegate_call_ += cycles;
if(write_cycles_since_delegate_call_ > 256) update_delegate(level_);
} else {
while(!events_.empty()) {
if(events_.front().delay < cycles) {
>>>>>>> 2ae5739b8b6458acd867002563f1e03e747a8ee2
cycles -= events_.front().delay;
write_cycles_since_delegate_call_ += events_.front().delay;
const auto old_level = level_;
@ -44,12 +54,15 @@ void Line::advance_writer(int cycles) {
if(old_level != level_) {
update_delegate(old_level);
}
<<<<<<< HEAD
// Book enough extra time for the read delegate to be posted
// the final bit if one is attached.
if(events_.empty()) {
transmission_extra_ = minimum_write_cycles_for_read_delegate_bit();
}
=======
>>>>>>> 2ae5739b8b6458acd867002563f1e03e747a8ee2
} else {
events_.front().delay -= cycles;
write_cycles_since_delegate_call_ += cycles;
@ -65,7 +78,10 @@ void Line::write(bool level) {
events_.back().type = level ? Event::SetHigh : Event::SetLow;
} else {
level_ = level;
<<<<<<< HEAD
transmission_extra_ = minimum_write_cycles_for_read_delegate_bit();
=======
>>>>>>> 2ae5739b8b6458acd867002563f1e03e747a8ee2
}
}
@ -139,8 +155,11 @@ void Line::update_delegate(bool level) {
}
time_left_in_bit_ -= time_left;
}
<<<<<<< HEAD
int Line::minimum_write_cycles_for_read_delegate_bit() {
if(!read_delegate_) return 0;
return 1 + (read_delegate_bit_length_ * static_cast<unsigned int>(clock_rate_)).get<int>();
}
=======
>>>>>>> 2ae5739b8b6458acd867002563f1e03e747a8ee2