Mercurial > repos > blastem

annotate ym_common.h @ 2688:b42f00a3a937 default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix default target. Ensure m68k.h and z80.h are built before anything else when no dep info is available
author Michael Pavone <pavone@retrodev.com>
date Mon, 31 Mar 2025 21:06:18 -0700
parents eb588f22ec76
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
2558
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1 #ifndef YM_COMMON_H_
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
2 #define YM_COMMON_H_
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
3 #include <stdint.h>
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
4 #include <stdio.h>
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
5
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
6 #define MAX_ENVELOPE 0xFFC
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
7 #define MAX_OPL_ENVELOPE 0xFF8
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
8
2565
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
9 #define SSG_ENABLE 8
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
10 #define SSG_INVERT 4
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
11 #define SSG_ALTERNATE 2
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
12 #define SSG_HOLD 1
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
13
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
14 #define SSG_CENTER 0x800
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
15
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
16 enum {
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
17 PHASE_ATTACK,
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
18 PHASE_DECAY,
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
19 PHASE_SUSTAIN,
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
20 PHASE_RELEASE
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
21 };
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
22
2558
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
23 typedef struct {
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
24 int16_t *mod_src[2];
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
25 uint32_t phase_counter;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
26 uint32_t phase_inc;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
27 uint16_t envelope;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
28 int16_t output;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
29 uint16_t total_level;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
30 uint16_t sustain_level;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
31 uint8_t rates[4];
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
32 uint8_t key_scaling;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
33 uint8_t multiple;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
34 uint8_t detune;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
35 uint8_t am;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
36 uint8_t env_phase;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
37 uint8_t ssg;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
38 uint8_t inverted;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
39 uint8_t phase_overflow;
2565
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
40 uint8_t wave;
2558
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
41 } ym_operator;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
42
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
43 typedef struct {
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
44 FILE * logfile;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
45 uint16_t fnum;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
46 int16_t output;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
47 int16_t op1_old;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
48 int16_t op2_old;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
49 uint8_t block_fnum_latch;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
50 uint8_t block;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
51 uint8_t keycode;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
52 uint8_t algorithm;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
53 uint8_t feedback;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
54 uint8_t ams;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
55 uint8_t pms;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
56 uint8_t lr;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
57 uint8_t keyon;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
58 uint8_t scope_channel;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
59 uint8_t phase_overflow;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
60 } ym_channel;
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
61
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
62 extern int16_t lfo_pm_table[128 * 32 * 8];
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
63 extern uint16_t rate_table[64*8];
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
64
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
65 void ym_init_tables(void);
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
66 int16_t ym_sine(uint16_t phase, int16_t mod, uint16_t env);
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
67 int16_t ym_opl_wave(uint16_t phase, int16_t mod, uint16_t env, uint8_t waveform);
2565
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
68 void start_envelope(ym_operator *op, ym_channel *channel);
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
69 void keyon(ym_operator *op, ym_channel *channel);
eb588f22ec76 More work on OPL3 emulation
Michael Pavone <pavone@retrodev.com>
parents: 2558
diff changeset
70 void keyoff(ym_operator *op);
2558
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
71
3f58fec775df Initial work on YMF262 (aka OPL3) emulation
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
72 #endif //YM_COMMON_H_