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comparison psg.h @ 487:c08a4efeee7f opengl

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Update opengl branch from default. Fix build breakage unrelated to merge
author Mike Pavone <pavone@retrodev.com>
date Sat, 26 Oct 2013 22:38:47 -0700
parents 3e1573fa22cf
children 9a5dc22297f2
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449:7696d824489d 487:c08a4efeee7f
1 /*
2 Copyright 2013 Michael Pavone
3 This file is part of BlastEm.
4 BlastEm is free software distributed under the terms of the GNU General Public License version 3 or greater. See COPYING for full license text.
5 */
1 #ifndef PSG_CONTEXT_H_ 6 #ifndef PSG_CONTEXT_H_
2 #define PSG_CONTEXT_H_ 7 #define PSG_CONTEXT_H_
3 8
4 #include <stdint.h> 9 #include <stdint.h>
5 10
6 typedef struct { 11 typedef struct {
7 int16_t *audio_buffer; 12 int16_t *audio_buffer;
8 int16_t *back_buffer; 13 int16_t *back_buffer;
9 double buffer_fraction; 14 uint64_t buffer_fraction;
10 double buffer_inc; 15 uint64_t buffer_inc;
11 uint32_t buffer_pos; 16 uint32_t buffer_pos;
12 uint32_t clock_inc; 17 uint32_t clock_inc;
13 uint32_t cycles; 18 uint32_t cycles;
19 uint32_t sample_rate;
14 uint32_t samples_frame; 20 uint32_t samples_frame;
15 uint16_t lsfr; 21 uint16_t lsfr;
16 uint16_t counter_load[4]; 22 uint16_t counter_load[4];
17 uint16_t counters[4]; 23 uint16_t counters[4];
18 uint8_t volume[4]; 24 uint8_t volume[4];
23 uint8_t latch; 29 uint8_t latch;
24 } psg_context; 30 } psg_context;
25 31
26 32
27 void psg_init(psg_context * context, uint32_t sample_rate, uint32_t master_clock, uint32_t clock_div, uint32_t samples_frame); 33 void psg_init(psg_context * context, uint32_t sample_rate, uint32_t master_clock, uint32_t clock_div, uint32_t samples_frame);
34 void psg_adjust_master_clock(psg_context * context, uint32_t master_clock);
28 void psg_write(psg_context * context, uint8_t value); 35 void psg_write(psg_context * context, uint8_t value);
29 void psg_run(psg_context * context, uint32_t cycles); 36 void psg_run(psg_context * context, uint32_t cycles);
30 37
31 #endif //PSG_CONTEXT_H_ 38 #endif //PSG_CONTEXT_H_
32 39