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Add a YM2612 stub implementation with just timers and status registers so that games that depend on it can run.
author Mike Pavone <pavone@retrodev.com>
date Sun, 05 May 2013 22:56:42 -0700
parents 209a37eed3e7
children 2f264d2a60c2
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1 #ifndef BLASTEM_H_
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2 #define BLASTEM_H_
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4 #include <stdint.h>
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5 #include "m68k_to_x86.h"
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6 #include "z80_to_x86.h"
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7 #include "ym2612.h"
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8 #include "vdp.h"
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10 typedef struct {
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11 uint32_t th_counter;
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12 uint32_t timeout_cycle;
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13 uint8_t output;
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14 uint8_t control;
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15 uint8_t input[3];
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16 } io_port;
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18 typedef struct {
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19 m68k_context *m68k;
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20 z80_context *z80;
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21 vdp_context *vdp;
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22 ym2612_context *ym;
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23 } genesis_context;
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25 #define GAMEPAD_TH0 0
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26 #define GAMEPAD_TH1 1
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27 #define GAMEPAD_EXTRA 2
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29 extern io_port gamepad_1;
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30 extern io_port gamepad_2;
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32 void io_adjust_cycles(io_port * pad, uint32_t current_cycle, uint32_t deduction);
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33 uint16_t read_dma_value(uint32_t address);
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34 m68k_context * debugger(m68k_context * context, uint32_t address);
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36 #endif //BLASTEM_H_
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