56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
/*
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* Copyright 2024 Matt Evans
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all 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,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef UMAC_H
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#define UMAC_H
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#include "disc.h"
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#include "via.h"
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#include "machw.h"
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int umac_init(void *_ram_base, void *_rom_base, disc_descr_t discs[DISC_NUM_DRIVES]);
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int umac_loop(void);
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void umac_reset(void);
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void umac_opt_disassemble(int enable);
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void umac_mouse(int deltax, int deltay, int button);
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void umac_kbd_event(uint8_t scancode, int down);
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static inline void umac_vsync_event(void)
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{
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via_caX_event(2);
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}
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static inline void umac_1hz_event(void)
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{
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via_caX_event(1);
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}
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/* Return the offset into RAM of the current display buffer */
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static inline unsigned int umac_get_fb_offset(void)
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{
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/* FIXME: Implement VIA RA6/vid.pg2 */
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return RAM_SIZE - ((DISP_WIDTH * DISP_HEIGHT / 8) + 0x380);
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}
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#endif
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