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/*
 * (C) Copyright 2014 Leo C. <erbl259-lmu@yahoo.de>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#ifndef Z180_SERV_H
#define Z180_SERV_H

#include <stdbool.h>
#include "ff.h"

void setup_z180_serv(void);
void restart_z180_serv(void);


/* CP/M drive interface */

/* TODO: Variable Disk Format */
#define CONFIG_CPM_DISKSIZE		(8*1024*1024L)

typedef uint8_t drv_opt_t;

#define DRV_OPT_RO			(1<<0)  /* Drive is write protected */
#define DRV_OPT_DEBUG		(1<<1)	/* Debug this drive */
#define DRV_OPT_REATTATCH	(1<<7)	/* Change existing attachment */

typedef uint8_t drv_flag_t;
#define DRV_FLG_OPEN		(1<<0)	/* Drive is logged in from CP/M */
#define DRV_FLG_DIRTY		(2<<0)	/* Unwritten data */

struct cpm_drive_s {
	drv_opt_t	opt;
	drv_flag_t	flags;
	uint32_t	dph;
	char		*img_name;
	FIL			fd;
};

/* Return codes */

#define AT_OK		0
#define AT_ERROR	1
#define AT_RANGE	2
#define AT_ALREADY	3
#define AT_NOT		4
#define AT_NOFILE	5
#define AT_NOMEM	6
#define AT_OPEN		7
#define AT_OTHER	8


int drv_list(void);
int drv_detach(uint8_t drv);
int drv_attach(uint8_t drv, const char *filename, drv_opt_t options);

#endif /* Z180_SERV_H */