2 Skelton for retropc emulator
4 Author : Takeda.Toshiya
7 [ AY-3-8910 / YM2203 / YM2608 ]
16 #include "fmgen/opna.h"
18 #ifdef SUPPORT_WIN32_DLL
19 #define SUPPORT_MAME_FM_DLL
20 //#include "fmdll/fmdll.h"
22 //#if defined(HAS_AY_3_8913)
23 // both port a and port b are not supported
24 //#elif defined(HAS_AY_3_8912)
25 // port b is not supported
26 //#define SUPPORT_YM2203_PORT_A
28 //#define SUPPORT_YM2203_PORT_A
29 //#define SUPPORT_YM2203_PORT_B
32 //#ifdef SUPPORT_YM2203_PORT_A
33 #define SIG_YM2203_PORT_A 0
35 //#ifdef SUPPORT_YM2203_PORT_B
36 #define SIG_YM2203_PORT_B 1
38 #define SIG_YM2203_MUTE 2
42 class YM2203 : public DEVICE
48 #ifdef SUPPORT_MAME_FM_DLL
56 int base_decibel_fm, base_decibel_psg;
66 int32_t v_right_volume;
67 int32_t v_left_volume;
92 bool _SUPPORT_YM2203_PORT_A;
93 bool _SUPPORT_YM2203_PORT_B;
97 //#ifdef HAS_YM_SERIES
99 outputs_t outputs_irq;
100 void update_interrupt();
103 YM2203(VM_TEMPLATE* parent_vm, EMU* parent_emu) : DEVICE(parent_vm, parent_emu)
105 base_decibel_fm = base_decibel_psg = 0;
108 _HAS_AY_3_8910 = _HAS_AY_3_8912 = _HAS_AY_3_8913 = false;
109 _HAS_YM_SERIES = false;
110 _SUPPORT_YM2203_PORT_A = _SUPPORT_YM2203_PORT_B = false;
112 for(int i = 0; i < 2; i++) {
113 initialize_output_signals(&port[i].outputs);
114 port[i].wreg = port[i].rreg = 0;//0xff;
117 initialize_output_signals(&outputs_irq);
118 this_device_name[0] = _T('\0');
126 void write_io8(uint32_t addr, uint32_t data);
127 uint32_t read_io8(uint32_t addr);
128 void write_signal(int id, uint32_t data, uint32_t mask);
129 uint32_t read_signal(int id);
130 void event_vline(int v, int clock);
131 void event_callback(int event_id, int error);
132 void mix(int32_t* buffer, int cnt);
133 void set_volume(int _ch, int decibel_l, int decibel_r);
134 void update_timing(int new_clocks, double new_frames_per_sec, int new_lines_per_frame);
136 void write_via_debugger_data8(uint32_t addr, uint32_t data);
137 uint32_t read_via_debugger_data8(uint32_t addr);
138 bool is_debugger_available()
146 uint64_t get_debug_data_addr_space()
148 return is_ym2608 ? 0x200 : 0x100;
150 void write_debug_data8(uint32_t addr, uint32_t data)
152 if(addr < (uint32_t)(is_ym2608 ? 0x200 : 0x100)) {
153 write_via_debugger_data8(addr, data);
156 uint32_t read_debug_data8(uint32_t addr)
158 if(addr < (uint32_t)(is_ym2608 ? 0x200 : 0x100)) {
159 return read_via_debugger_data8(addr);
164 bool process_state(FILEIO* state_fio, bool loading);
166 void set_context_irq(DEVICE* device, int id, uint32_t mask)
168 register_output_signal(&outputs_irq, device, id, mask);
170 void set_context_port_a(DEVICE* device, int id, uint32_t mask, int shift)
172 register_output_signal(&port[0].outputs, device, id, mask, shift);
174 void set_context_port_b(DEVICE* device, int id, uint32_t mask, int shift)
176 register_output_signal(&port[1].outputs, device, id, mask, shift);
178 void set_context_debugger(DEBUGGER* device)
182 void initialize_sound(int rate, int clock, int samples, int decibel_fm, int decibel_psg);
183 void set_reg(uint32_t addr, uint32_t data); // for patch