6502/CLK
1
0
Fork 0
mirror of https://github.com/TomHarte/CLK.git synced 2025-01-11 08:30:55 +00:00
Code Issues Projects Releases Wiki Activity

Messing around trying to lock down timing precisely. Which includes formal initial conditions.

Browse Source
This commit is contained in:
Thomas Harte 2016-12-24 15:18:46 -05:00
parent 4d4852bb78
commit 4cb17143ef
1 changed files with 9 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
Storage/Disk/DiskController.cpp
View File

@ -13,17 +13,20 @@ using namespace Storage::Disk;
Controller::Controller(unsigned int clock_rate, unsigned int clock_rate_multiplier, unsigned int revolutions_per_minute) : Controller::Controller(unsigned int clock_rate, unsigned int clock_rate_multiplier, unsigned int revolutions_per_minute) :
clock_rate_(clock_rate * clock_rate_multiplier), clock_rate_(clock_rate * clock_rate_multiplier),
clock_rate_multiplier_(clock_rate_multiplier), clock_rate_multiplier_(clock_rate_multiplier),
rotational_multiplier_(60u, revolutions_per_minute),
cycles_since_index_hole_(0),
cycles_since_event_(0),
time_into_track_of_last_event_(0),
motor_is_on_(false),
is_reading_(true), is_reading_(true),
track_is_dirty_(false), track_is_dirty_(false),
TimedEventLoop(clock_rate * clock_rate_multiplier) TimedEventLoop(clock_rate * clock_rate_multiplier)
{ {
rotational_multiplier_.length = 60;
rotational_multiplier_.clock_rate = revolutions_per_minute;
rotational_multiplier_.simplify();
// seed this class with a PLL, any PLL, so that it's safe to assume non-nullptr later // seed this class with a PLL, any PLL, so that it's safe to assume non-nullptr later
Time one; Time one(1);
set_expected_bit_length(one); set_expected_bit_length(one);
} }
@ -99,7 +102,7 @@ void Controller::process_next_event()
time_into_track_of_last_event_ += current_event_.length; time_into_track_of_last_event_ += current_event_.length;
break; break;
case Track::Event::IndexHole: case Track::Event::IndexHole:
printf("%d [/%d = %d]\n", cycles_since_index_hole_, clock_rate_multiplier_, cycles_since_index_hole_ / clock_rate_multiplier_); printf("%p %d [/%d = %d]\n", this, cycles_since_index_hole_, clock_rate_multiplier_, cycles_since_index_hole_ / clock_rate_multiplier_);
cycles_since_index_hole_ = 0; cycles_since_index_hole_ = 0;
time_into_track_of_last_event_.set_zero(); time_into_track_of_last_event_.set_zero();
process_index_hole(); process_index_hole();