// license:BSD-3-Clause // copyright-holders:R. Belmont /********************************************************************* appldriv.h Apple 5.25" floppy drive emulation (to be interfaced with applefdc.c) *********************************************************************/ #ifndef APPLDRIV_H #define APPLDRIV_H #include "imagedev/flopdrv.h" #include "formats/ap2_dsk.h" void apple525_set_lines(device_t *device,uint8_t lines); void apple525_set_enable_lines(device_t *device,int enable_mask); uint8_t apple525_read_data(device_t *device); void apple525_write_data(device_t *device,uint8_t data); int apple525_read_status(device_t *device); int apple525_get_count(running_machine &machine); class apple525_floppy_image_device : public legacy_floppy_image_device { public: // construction/destruction apple525_floppy_image_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); virtual image_init_result call_load() override; virtual void call_unload() override; void set_params(int dividend, int divisor) { m_dividend = dividend; m_divisor = divisor;} int get_dividend() { return m_dividend; } int get_divisor() { return m_divisor; } // these elements should be private, but are not yet unsigned int state : 4; /* bits 0-3 are the phase */ unsigned int tween_tracks : 1; unsigned int track_loaded : 1; unsigned int track_dirty : 1; int position; int spin_count; /* simulate drive spin to fool RWTS test at $BD34 */ uint8_t track_data[APPLE2_NIBBLE_SIZE * APPLE2_SECTOR_COUNT]; protected: virtual void device_start() override; private: int m_dividend; int m_divisor; }; // device type definition extern const device_type FLOPPY_APPLE; #define MCFG_LEGACY_FLOPPY_APPLE_PARAMS(_dividend,_divisor) \ downcast(device)->set_params(_dividend,_divisor); #define MCFG_LEGACY_FLOPPY_APPLE_2_DRIVES_ADD(_config,_dividend,_divisor) \ MCFG_DEVICE_ADD(FLOPPY_0, FLOPPY_APPLE, 0) \ MCFG_LEGACY_FLOPPY_CONFIG(_config) \ MCFG_LEGACY_FLOPPY_APPLE_PARAMS(_dividend,_divisor) \ MCFG_DEVICE_ADD(FLOPPY_1, FLOPPY_APPLE, 0) \ MCFG_LEGACY_FLOPPY_CONFIG(_config) \ MCFG_LEGACY_FLOPPY_APPLE_PARAMS(_dividend,_divisor) #define MCFG_LEGACY_FLOPPY_APPLE_4_DRIVES_ADD(_config,_dividend,_divisor) \ MCFG_DEVICE_ADD(FLOPPY_0, FLOPPY_APPLE, 0) \ MCFG_LEGACY_FLOPPY_CONFIG(_config) \ MCFG_LEGACY_FLOPPY_APPLE_PARAMS(_dividend,_divisor) \ MCFG_DEVICE_ADD(FLOPPY_1, FLOPPY_APPLE, 0) \ MCFG_LEGACY_FLOPPY_CONFIG(_config) \ MCFG_LEGACY_FLOPPY_APPLE_PARAMS(_dividend,_divisor) \ MCFG_DEVICE_ADD(FLOPPY_2, FLOPPY_APPLE, 0) \ MCFG_LEGACY_FLOPPY_CONFIG(_config) \ MCFG_LEGACY_FLOPPY_APPLE_PARAMS(_dividend,_divisor) \ MCFG_DEVICE_ADD(FLOPPY_3, FLOPPY_APPLE, 0) \ MCFG_LEGACY_FLOPPY_CONFIG(_config) \ MCFG_LEGACY_FLOPPY_APPLE_PARAMS(_dividend,_divisor) #define MCFG_LEGACY_FLOPPY_APPLE_2_DRIVES_REMOVE() \ MCFG_DEVICE_REMOVE(FLOPPY_0) \ MCFG_DEVICE_REMOVE(FLOPPY_1) #endif /* APPLDRIV_H */