umac/include/via.h
Matt Evans 83ca8a1cfe Clean up compilation warnings
Various functions dropped a void declaration (lazy), which is added.
Removed an unused variable in unix_main.
2024-12-16 23:16:43 +00:00

48 lines
1.7 KiB
C

/*
* Copyright 2024 Matt Evans
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef VIA_H
#define VIA_H
#include <stdio.h>
/* Callbacks for various VIA events: */
struct via_cb {
void (*ra_change)(uint8_t val);
void (*rb_change)(uint8_t val);
uint8_t (*ra_in)(void);
uint8_t (*rb_in)(void);
void (*sr_tx)(uint8_t val);
void (*irq_set)(int status);
};
void via_init(struct via_cb *cb);
void via_write(unsigned int address, uint8_t data);
uint8_t via_read(unsigned int address);
void via_tick(uint64_t time);
/* Trigger an event on CA1 or CA2: */
void via_caX_event(int ca);
void via_sr_rx(uint8_t val);
#endif