Mercurial > repos > blastem
annotate ym2612.h @ 393:30c250a41629
Fix address adjustement in z80_retrans_stub
author | Mike Pavone <pavone@retrodev.com> |
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date | Sun, 09 Jun 2013 02:38:56 -0700 |
parents | 72933100c55c |
children | f0a3f86595ae |
rev | line source |
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288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
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changeset
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1 #ifndef YM2612_H_ |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
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2 #define YM2612_H_ |
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Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
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3 |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
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4 #include <stdint.h> |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
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5 |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
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6 #define NUM_PART_REGS (0xB7-0x30) |
362 | 7 #define NUM_CHANNELS 6 |
8 #define NUM_OPERATORS (4*NUM_CHANNELS) | |
9 | |
10 typedef struct { | |
11 uint32_t phase_inc; | |
12 uint32_t phase_counter; | |
13 uint16_t envelope; | |
371
0f8a759f1ff4
Use signed ints for things that represent signed values in YM2612 core
Mike Pavone <pavone@retrodev.com>
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364
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14 int16_t output; |
362 | 15 uint16_t total_level; |
16 uint16_t sustain_level; | |
17 uint8_t rates[4]; | |
18 uint8_t key_scaling; | |
19 uint8_t multiple; | |
20 uint8_t detune; | |
21 uint8_t env_phase; | |
22 } ym_operator; | |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
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23 |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
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24 typedef struct { |
362 | 25 uint16_t fnum; |
26 int16_t output; | |
27 uint8_t block_fnum_latch; | |
28 uint8_t block; | |
29 uint8_t keycode; | |
30 uint8_t algorithm; | |
31 uint8_t feedback; | |
32 uint8_t ams; | |
33 uint8_t pms; | |
34 uint8_t lr; | |
35 } ym_channel; | |
36 | |
37 typedef struct { | |
383
72933100c55c
Initial implementation of channel 3 special mode
Mike Pavone <pavone@retrodev.com>
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380
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38 uint16_t fnum; |
72933100c55c
Initial implementation of channel 3 special mode
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parents:
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39 uint8_t block; |
72933100c55c
Initial implementation of channel 3 special mode
Mike Pavone <pavone@retrodev.com>
parents:
380
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40 uint8_t block_fnum_latch; |
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41 uint8_t keycode; |
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42 } ym_supp; |
72933100c55c
Initial implementation of channel 3 special mode
Mike Pavone <pavone@retrodev.com>
parents:
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43 |
72933100c55c
Initial implementation of channel 3 special mode
Mike Pavone <pavone@retrodev.com>
parents:
380
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44 typedef struct { |
364
62177cc39049
Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents:
362
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45 int16_t *audio_buffer; |
62177cc39049
Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents:
362
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46 int16_t *back_buffer; |
62177cc39049
Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents:
362
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47 double buffer_fraction; |
62177cc39049
Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents:
362
diff
changeset
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48 double buffer_inc; |
380
1c8d74f2ab0b
Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run.
Mike Pavone <pavone@retrodev.com>
parents:
371
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49 uint32_t clock_inc; |
364
62177cc39049
Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents:
362
diff
changeset
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50 uint32_t buffer_pos; |
62177cc39049
Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents:
362
diff
changeset
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51 uint32_t sample_limit; |
362 | 52 uint32_t current_cycle; |
53 uint32_t write_cycle; | |
54 ym_operator operators[NUM_OPERATORS]; | |
55 ym_channel channels[NUM_CHANNELS]; | |
56 uint16_t timer_a; | |
57 uint16_t timer_a_load; | |
364
62177cc39049
Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents:
362
diff
changeset
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58 uint16_t env_counter; |
383
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Initial implementation of channel 3 special mode
Mike Pavone <pavone@retrodev.com>
parents:
380
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59 ym_supp ch3_supp[3]; |
72933100c55c
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Mike Pavone <pavone@retrodev.com>
parents:
380
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60 uint8_t ch3_mode; |
364
62177cc39049
Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents:
362
diff
changeset
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61 uint8_t current_op; |
62177cc39049
Incredibly broken YM2612 support plus a fix to Z80 bus request
Mike Pavone <pavone@retrodev.com>
parents:
362
diff
changeset
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62 uint8_t current_env_op; |
362 | 63 uint8_t timer_b; |
64 uint8_t timer_b_load; | |
65 uint8_t timer_control; | |
66 uint8_t dac_enable; | |
67 uint8_t status; | |
68 uint8_t selected_reg; | |
69 uint8_t selected_part; | |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
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70 } ym2612_context; |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
71 |
380
1c8d74f2ab0b
Make the PSG and YM2612 use the master clock internal with an increment based on clock divider so that they stay perflectly in sync. Run both the PSG and YM2612 whenver one of them needs to be run.
Mike Pavone <pavone@retrodev.com>
parents:
371
diff
changeset
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72 void ym_init(ym2612_context * context, uint32_t sample_rate, uint32_t master_clock, uint32_t clock_div, uint32_t sample_limit); |
288
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
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73 void ym_run(ym2612_context * context, uint32_t to_cycle); |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
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74 void ym_address_write_part1(ym2612_context * context, uint8_t address); |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
|
75 void ym_address_write_part2(ym2612_context * context, uint8_t address); |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
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76 void ym_data_write(ym2612_context * context, uint8_t value); |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
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77 uint8_t ym_read_status(ym2612_context * context); |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
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78 |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
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79 #endif //YM2612_H_ |
a8ee7934a1f8
Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
Mike Pavone <pavone@retrodev.com>
parents:
diff
changeset
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80 |