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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 3f58fec775df
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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3f58fec775df Initial work on YMF262 (aka OPL3) emulation
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1 #ifndef YMF262_H_
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2 #define YMF262_H_
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3
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4 #include "ym_common.h"
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5 #include "render_audio.h"
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6 #include "vgm.h"
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7 #include "oscilloscope.h"
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8
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9 #define OPL3_NUM_CHANNELS 18
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10 #define OPL3_NUM_OPERATORS (2*OPL3_NUM_CHANNELS)
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11 #define OPL3_PARAM_START 0x20
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12 #define OPL3_PARAM_END 0xF6
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13 #define OPL3_PARAM_REGS (OPL3_PARAM_END - OPL3_PARAM_START)
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14
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15 typedef struct {
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16 audio_source *audio;
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17 vgm_writer *vgm;
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18 oscilloscope *scope;
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19 uint32_t clock_inc;
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20 uint32_t cycle;
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21 int32_t volume_mult;
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22 int32_t volume_div;
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23 ym_operator operators[OPL3_NUM_OPERATORS];
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24 ym_channel channels[OPL3_NUM_CHANNELS];
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25 uint8_t part1_regs[OPL3_PARAM_REGS];
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26 uint8_t part2_regs[OPL3_PARAM_REGS];
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27 uint8_t timer_test[4];
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28 uint8_t nts;
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29 uint8_t connection_sel;
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30 uint8_t opl3_mode;
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31 uint8_t part2_test;
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32 uint8_t status;
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33 uint8_t current_op;
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34 uint8_t selected_reg;
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35 uint8_t selected_part;
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36 } ymf262_context;
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37
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38 void ymf262_init(ymf262_context *context, uint32_t master_clock, uint32_t clock_div, uint32_t options);
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39 void ymf262_reset(ymf262_context *context);
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40 void ymf262_free(ymf262_context *context);
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41 void ymf262_adjust_master_clock(ymf262_context *context, uint32_t master_clock);
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42 void ymf262_adjust_cycles(ymf262_context *context, uint32_t deduction);
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43 void ymf262_run(ymf262_context *context, uint32_t to_cycle);
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44 void ymf262_address_write_part1(ymf262_context *context, uint8_t address);
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45 void ymf262_address_write_part2(ymf262_context *context, uint8_t address);
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46 void ymf262_data_write(ymf262_context *context, uint8_t value);
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47 void ymf262_vgm_log(ymf262_context *context, uint32_t master_clock, vgm_writer *vgm);
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48 uint8_t ymf262_read_status(ymf262_context *context, uint32_t cycle, uint32_t port);
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49
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50
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51 #endif // YMF262_H_