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Initial implementation of oscilloscope debug view
author Michael Pavone <pavone@retrodev.com>
date Tue, 22 Nov 2022 17:57:02 -0800
parents 2648081f3100
children 74112041b2c7
comparison
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2240:8e8db9141209 2243:0d1d5dccdd28
8 8
9 #include <stdint.h> 9 #include <stdint.h>
10 #include "serialize.h" 10 #include "serialize.h"
11 #include "render_audio.h" 11 #include "render_audio.h"
12 #include "vgm.h" 12 #include "vgm.h"
13 #include "oscilloscope.h"
13 14
14 typedef struct { 15 typedef struct {
15 audio_source *audio; 16 audio_source *audio;
16 vgm_writer *vgm; 17 vgm_writer *vgm;
18 oscilloscope *scope;
17 uint32_t clock_inc; 19 uint32_t clock_inc;
18 uint32_t cycles; 20 uint32_t cycles;
19 uint16_t lsfr; 21 uint16_t lsfr;
20 uint16_t counter_load[4]; 22 uint16_t counter_load[4];
21 uint16_t counters[4]; 23 uint16_t counters[4];
22 uint8_t volume[4]; 24 uint8_t volume[4];
23 uint8_t output_state[4]; 25 uint8_t output_state[4];
26 uint8_t scope_channel[4];
24 uint8_t noise_out; 27 uint8_t noise_out;
25 uint8_t noise_use_tone; 28 uint8_t noise_use_tone;
26 uint8_t noise_type; 29 uint8_t noise_type;
27 uint8_t latch; 30 uint8_t latch;
28 uint8_t pan; 31 uint8_t pan;
29 } psg_context; 32 } psg_context;
30 33
31 34
32 void psg_init(psg_context * context, uint32_t master_clock, uint32_t clock_div); 35 void psg_init(psg_context * context, uint32_t master_clock, uint32_t clock_div);
36 void psg_enable_scope(psg_context *context, oscilloscope *scope);
33 void psg_free(psg_context *context); 37 void psg_free(psg_context *context);
34 void psg_adjust_master_clock(psg_context * context, uint32_t master_clock); 38 void psg_adjust_master_clock(psg_context * context, uint32_t master_clock);
35 void psg_write(psg_context * context, uint8_t value); 39 void psg_write(psg_context * context, uint8_t value);
36 void psg_run(psg_context * context, uint32_t cycles); 40 void psg_run(psg_context * context, uint32_t cycles);
37 void psg_vgm_log(psg_context *context, uint32_t master_clock, vgm_writer *vgm); 41 void psg_vgm_log(psg_context *context, uint32_t master_clock, vgm_writer *vgm);