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synced 2024-12-23 20:29:42 +00:00
Added the infrastructure necessary for Oric disks to appear writeable to the machine and to receive changed tracks.
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@ -26,6 +26,11 @@ OricMFMDSK::OricMFMDSK(const char *file_name) :
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throw ErrorNotOricMFMDSK;
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}
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OricMFMDSK::~OricMFMDSK()
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{
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flush_updates();
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}
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unsigned int OricMFMDSK::get_head_position_count()
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{
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return track_count_;
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@ -36,7 +41,12 @@ unsigned int OricMFMDSK::get_head_count()
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return head_count_;
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}
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std::shared_ptr<Track> OricMFMDSK::get_uncached_track_at_position(unsigned int head, unsigned int position)
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bool OricMFMDSK::get_is_read_only()
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{
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return is_read_only_;
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}
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long OricMFMDSK::get_file_offset_for_position(unsigned int head, unsigned int position)
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{
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long seek_offset = 0;
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switch(geometry_type_)
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@ -48,7 +58,12 @@ std::shared_ptr<Track> OricMFMDSK::get_uncached_track_at_position(unsigned int h
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seek_offset = (position * track_count_ * head_count_) + head;
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break;
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}
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fseek(file_, (seek_offset * 6400) + 256, SEEK_SET);
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return (seek_offset * 6400) + 256;
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}
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std::shared_ptr<Track> OricMFMDSK::get_uncached_track_at_position(unsigned int head, unsigned int position)
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{
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fseek(file_, get_file_offset_for_position(head, position), SEEK_SET);
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PCMSegment segment;
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@ -115,3 +130,7 @@ std::shared_ptr<Track> OricMFMDSK::get_uncached_track_at_position(unsigned int h
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std::shared_ptr<PCMTrack> track(new PCMTrack(segment));
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return track;
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}
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void OricMFMDSK::store_updated_track_at_position(unsigned int head, unsigned int position, const std::shared_ptr<Track> &track, std::mutex &file_access_mutex)
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{
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}
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@ -27,6 +27,7 @@ class OricMFMDSK: public Disk, public Storage::FileHolder {
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@throws ErrorNotAcornADF if the file doesn't appear to contain an Acorn .ADF format image.
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*/
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OricMFMDSK(const char *file_name);
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~OricMFMDSK();
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enum {
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ErrorNotOricMFMDSK,
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@ -35,9 +36,13 @@ class OricMFMDSK: public Disk, public Storage::FileHolder {
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// implemented to satisfy @c Disk
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unsigned int get_head_position_count();
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unsigned int get_head_count();
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bool get_is_read_only();
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private:
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void store_updated_track_at_position(unsigned int head, unsigned int position, const std::shared_ptr<Track> &track, std::mutex &file_access_mutex);
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std::shared_ptr<Track> get_uncached_track_at_position(unsigned int head, unsigned int position);
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long get_file_offset_for_position(unsigned int head, unsigned int position);
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uint32_t head_count_;
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uint32_t track_count_;
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uint32_t geometry_type_;
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