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Adds defences against double calls to end writing.

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This commit is contained in:
Thomas Harte 2017-09-16 17:07:36 -04:00
parent 98751e6ac8
commit a85909198f
2 changed files with 14 additions and 10 deletions
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2
Storage/Disk/DiskController.cpp
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@ -104,9 +104,11 @@ void Controller::begin_writing(bool clamp_to_index_hole) {
} }
void Controller::end_writing() { void Controller::end_writing() {
if(!is_reading_) {
is_reading_ = true; is_reading_ = true;
get_drive().end_writing(); get_drive().end_writing();
} }
}
bool Controller::is_reading() { bool Controller::is_reading() {
return is_reading_; return is_reading_;

2
Storage/Disk/Drive.cpp
View File

@ -237,6 +237,7 @@ void Drive::write_bit(bool value) {
} }
void Drive::end_writing() { void Drive::end_writing() {
if(!is_reading_) {
is_reading_ = true; is_reading_ = true;
if(!patched_track_) { if(!patched_track_) {
@ -250,3 +251,4 @@ void Drive::end_writing() {
cycles_since_index_hole_ %= get_input_clock_rate(); cycles_since_index_hole_ %= get_input_clock_rate();
invalidate_track(); invalidate_track();
} }
}