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71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
// The MIT License (MIT)
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//
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// Copyright (c) 2015 Stefan Arentz - http://github.com/st3fan/ewm
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#ifndef EWM_DSK_H
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#define EWM_DSK_H
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#include <stdbool.h>
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#include <stdint.h>
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struct cpu_t;
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struct mem_t;
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#define EWM_DSK_DRIVE1 0
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#define EWM_DSK_DRIVE2 1
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#define EWM_DSK_TRACKS 35
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#define EWM_DSK_SECTORS 16
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#define EWM_DSK_SECTOR_SIZE 256
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struct ewm_dsk_track_t {
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size_t length;
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uint8_t *data;
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};
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struct ewm_dsk_drive_t {
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bool loaded;
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uint8_t volume;
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int track, head, phase;
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bool readonly;
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bool dirty;
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struct ewm_dsk_track_t tracks[EWM_DSK_TRACKS];
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};
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struct ewm_dsk_t {
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struct mem_t *rom;
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struct mem_t *iom;
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bool on;
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int active_drive;
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int mode;
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uint8_t latch;
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struct ewm_dsk_drive_t drives[2];
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uint8_t drive; // 0 based
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int skip;
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};
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int ewm_dsk_init(struct ewm_dsk_t *dsk, struct cpu_t *cpu);
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struct ewm_dsk_t *ewm_dsk_create(struct cpu_t *cpu);
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int ewm_dsk_set_disk_data(struct ewm_dsk_t *dsk, uint8_t index, bool readonly, void *data, size_t length);
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int ewm_dsk_set_disk_file(struct ewm_dsk_t *dsk, uint8_t index, bool readonly, char *path);
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#endif
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