mirror of https://github.com/buserror/mii_emu.git
91 lines
2.0 KiB
C
91 lines
2.0 KiB
C
/*
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* mii_slot.h
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*
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* Copyright (C) 2023 Michel Pollet <buserror@gmail.com>
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*
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* SPDX-License-Identifier: MIT
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*/
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#pragma once
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#include <stdint.h>
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typedef struct mii_slot_drv_t mii_slot_drv_t;
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typedef struct mii_slot_t {
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uint8_t aux_rom_selected: 1, id;
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void * drv_priv; // for driver use
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const mii_slot_drv_t * drv;
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} mii_slot_t;
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typedef struct mii_t mii_t;
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/*
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* That won't handle secondary ROM banks, we'll do that if we ever need it
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*/
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typedef struct mii_slot_drv_t {
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struct mii_slot_drv_t *next; // in global driver queue
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uint32_t enable_flag; // if there is a MII_INIT_xxx flag
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const char * name;
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const char * desc;
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int (*probe)(
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mii_t * mii,
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uint32_t flags);
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int (*init)(
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mii_t * mii,
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struct mii_slot_t *slot);
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/* optional */
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void (*dispose)(
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mii_t * mii,
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struct mii_slot_t *slot);
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/* optional */
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void (*reset)(
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mii_t * mii,
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struct mii_slot_t *slot);
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// access to the slot's soft switches.
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uint8_t (*access)(
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mii_t * mii,
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struct mii_slot_t *slot,
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uint16_t addr, uint8_t data, bool write);
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// arbitrary command for load/save etc /* optional */
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int (*command)(
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mii_t * mii,
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struct mii_slot_t *slot,
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uint32_t cmd,
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void * param);
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} mii_slot_drv_t;
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// get driver installed in slot_id
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mii_slot_drv_t *
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mii_slot_drv_get(
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mii_t *mii,
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uint8_t slot_id);
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// install driver 'driver_name' in slot_id slot
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int
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mii_slot_drv_register(
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mii_t *mii,
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uint8_t slot_id,
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const char *driver_name);
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// find a driver 'name' in the global list
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mii_slot_drv_t *
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mii_slot_drv_find(
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mii_t *mii,
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const char * name);
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enum {
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MII_SLOT_DRIVE_COUNT = 0x01,
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MII_SLOT_DRIVE_LOAD = 0x20, // + drive index 0...n
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MII_SLOT_DRIVE_WP = 0x30, // + drive index 0...n
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MII_SLOT_SSC_SET_TTY = 0x10, // param is a pathname, or NULL for a pty
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// + drive index 0..1. Param is a mii_floppy_t **
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MII_SLOT_D2_GET_FLOPPY = 0x40,
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};
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// send a command to a slot/driver. Return >=0 if ok, -1 if error
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int
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mii_slot_command(
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mii_t *mii,
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uint8_t slot_id,
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uint8_t cmd,
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void * param);
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