6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2024-11-17 10:06:21 +00:00
Code Issues Projects Releases Wiki Activity

Corrects index pulse signalling.

Browse Source
This commit is contained in:
Thomas Harte 2020-07-19 00:06:27 -04:00
parent a7855e8c98
commit d8b699c869
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
Storage/Disk/Drive.cpp
View File

@ -304,11 +304,6 @@ void Drive::get_next_event(float duration_already_passed) {
current_event_.type = Track::Event::IndexHole; current_event_.type = Track::Event::IndexHole;
} }
// Begin a 2ms period of holding the index line pulse active if this is an index pulse event.
if(current_event_.type == Track::Event::IndexHole) {
index_pulse_remaining_ = Cycles((get_input_clock_rate() * 2) / 1000);
}
// divide interval, which is in terms of a single rotation of the disk, by rotation speed to // divide interval, which is in terms of a single rotation of the disk, by rotation speed to
// convert it into revolutions per second; this is achieved by multiplying by rotational_multiplier_ // convert it into revolutions per second; this is achieved by multiplying by rotational_multiplier_
float interval = std::max((current_event_.length - duration_already_passed) * rotational_multiplier_, 0.0f); float interval = std::max((current_event_.length - duration_already_passed) * rotational_multiplier_, 0.0f);
@ -331,6 +326,9 @@ void Drive::process_next_event() {
is_ready_ = true; is_ready_ = true;
} }
cycles_since_index_hole_ = 0; cycles_since_index_hole_ = 0;
// Begin a 2ms period of holding the index line pulse active.
index_pulse_remaining_ = Cycles((get_input_clock_rate() * 2) / 1000);
} }
if( if(
event_delegate_ && event_delegate_ &&