mirror of
https://github.com/dingusdev/dingusppc.git
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94 lines
2.3 KiB
C++
94 lines
2.3 KiB
C++
/*
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DingusPPC - The Experimental PowerPC Macintosh emulator
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Copyright (C) 2018-22 divingkatae and maximum
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(theweirdo) spatium
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(Contact divingkatae#1017 or powermax#2286 on Discord for more info)
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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/** @file Macintosh Superdrive definitions. */
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#ifndef MAC_SUPERDRIVE_H
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#define MAC_SUPERDRIVE_H
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#include <devices/common/hwcomponent.h>
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#include <devices/floppy/floppyimg.h>
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#include <cinttypes>
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#include <memory>
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#include <string>
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namespace MacSuperdrive {
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/** Apple Drive status request addresses. */
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enum StatusAddr : uint8_t {
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MFM_Support = 5,
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Double_Sided = 6,
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Drive_Exists = 7,
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Disk_In_Drive = 8,
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Media_Kind = 0xF
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};
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/** Apple Drive command addresses. */
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enum CommandAddr : uint8_t {
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Motor_On_Off = 2,
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};
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/** Type of media currently in the drive. */
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enum MediaKind : uint8_t {
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low_density = 0,
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high_density = 1, // 1 or 2 MB disk
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};
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/** Disk recording method. */
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enum RecMethod : int {
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GCR = 0,
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MFM = 1
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};
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class MacSuperDrive : public HWComponent {
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public:
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MacSuperDrive();
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~MacSuperDrive() = default;
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void command(uint8_t addr, uint8_t value);
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uint8_t status(uint8_t addr);
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int insert_disk(std::string& img_path);
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protected:
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void set_disk_phys_params();
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private:
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uint8_t has_disk;
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// physical parameters of the currently inserted disk
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uint8_t media_kind;
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int rec_method;
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int num_tracks;
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int num_sides;
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int sectors_per_track[80];
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int rpm_per_track[80];
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int track_start_block[80]; // logical block number of the first sector in a track
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std::unique_ptr<FloppyImgConverter> img_conv;
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std::unique_ptr<char[]> disk_data;
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};
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}; // namespace MacSuperdrive
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#endif // MAC_SUPERDRIVE_H
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