2 ASCII MSX1 Emulator 'yaMSX1'
3 ASCII MSX2 Emulator 'yaMSX2'
4 Pioneer PX-7 Emulator 'ePX-7'
9 modified by Takeda.Toshiya
16 #include "../../emu.h"
17 #include "../device.h"
20 #include "../datarec.h"
28 //#include "../ym2203.h"
29 #include "../ay_3_891x.h"
30 #include "../pcm1bit.h"
32 #include "../rp5c01.h"
35 #include "../tms9918a.h"
40 #include "../debugger.h"
50 // ----------------------------------------------------------------------------
52 // ----------------------------------------------------------------------------
54 VM::VM(EMU* parent_emu) : emu(parent_emu)
57 first_device = last_device = NULL;
58 dummy = new DEVICE(this, emu); // must be 1st device
59 event = new EVENT(this, emu); // must be 2nd device
60 dummy->set_device_name(_T("1st Dummy"));
61 event->set_device_name(_T("EVENT"));
63 drec = new DATAREC(this, emu);
64 drec->set_context_noise_play(new NOISE(this, emu));
65 drec->set_context_noise_stop(new NOISE(this, emu));
66 drec->set_context_noise_fast(new NOISE(this, emu));
67 pio = new I8255(this, emu);
68 io = new IO(this, emu);
70 ldp = new LD700(this, emu);
72 not_remote = new NOT(this, emu);
73 // psg = new YM2203(this, emu);
74 psg = new AY_3_891X(this, emu);
75 pcm = new PCM1BIT(this, emu);
76 not_remote->set_device_name(_T("NOT Gate (REMOTE)"));
79 rtc = new RP5C01(this, emu);
80 vdp = new V99X8(this, emu);
82 vdp = new TMS9918A(this, emu);
84 cpu = new Z80(this, emu);
85 joystick = new JOYSTICK(this, emu);
86 keyboard = new KEYBOARD(this, emu);
87 memory = new MEMORY(this, emu);
89 rtcif = new RTCIF(this, emu);
91 slot0 = new SLOT0(this, emu); // #0: main memory
92 slot1 = new SLOT1(this, emu); // #1: rom-cartridge or msx-dos
93 slot2 = new SLOT2(this, emu); // #2: fdd-cartridge or p-basic
94 slot3 = new SLOT3(this, emu); // #3: rom-cartridge or ram-cartridge
96 slot0->set_device_name(_T("SLOT#0 MAIN MEMORY"));
97 slot1->set_device_name(_T("SLOT#1 ROM CARTRIDGE"));
98 slot2->set_device_name(_T("SLOT#2 FDD CARTRIDGE"));
99 slot3->set_device_name(_T("SLOT#3 ROM CARTRIDGE"));
102 event->set_context_cpu(cpu);
103 event->set_context_sound(psg);
104 event->set_context_sound(pcm);
105 event->set_context_sound(drec);
107 event->set_context_sound(ldp);
109 event->set_context_sound(drec->get_context_noise_play());
110 event->set_context_sound(drec->get_context_noise_stop());
111 event->set_context_sound(drec->get_context_noise_fast());
113 drec->set_context_ear(psg, SIG_AY_3_891X_PORT_A, 0x80);
114 pio->set_context_port_a(memory, SIG_MEMORY_SEL, 0xff, 0);
115 pio->set_context_port_c(keyboard, SIG_KEYBOARD_COLUMN, 0x0f, 0);
116 pio->set_context_port_c(not_remote, SIG_NOT_INPUT, 0x10, 0);
117 not_remote->set_context_out(drec, SIG_DATAREC_REMOTE, 1);
118 pio->set_context_port_c(drec, SIG_DATAREC_MIC, 0x20, 0);
119 pio->set_context_port_c(pcm, SIG_PCM1BIT_SIGNAL, 0x80, 0);
120 psg->set_context_port_b(joystick, SIG_JOYSTICK_SEL, 0x40, 0);
121 vdp->set_context_irq(cpu, SIG_CPU_IRQ, 1);
124 pio->set_context_port_c(slot2, SIG_SLOT2_MUTE, 0x10, 0);
125 ldp->set_context_exv(slot2, SIG_SLOT2_EXV, 1);
126 ldp->set_context_ack(slot2, SIG_SLOT2_ACK, 1);
127 ldp->set_context_sound(psg, SIG_AY_3_891X_PORT_A, 0x80);
129 joystick->set_context_psg(psg);
130 // keyboard->set_context_cpu(cpu);
131 keyboard->set_context_pio(pio);
132 memory->set_context_slot(0, slot0);
133 memory->set_context_slot(1, slot1);
134 memory->set_context_slot(2, slot2);
135 memory->set_context_slot(3, slot3);
137 rtcif->set_context_rtc(rtc);
140 slot2->set_context_cpu(cpu);
141 slot2->set_context_ldp(ldp);
142 slot2->set_context_vdp(vdp);
146 cpu->set_context_mem(memory);
147 cpu->set_context_io(io);
148 cpu->set_context_intr(dummy);
150 cpu->set_context_bios(memory);
153 cpu->set_context_debugger(new DEBUGGER(this, emu));
158 io->set_iomap_range_rw(0xb4, 0xb5, rtcif);
159 io->set_iomap_range_rw(0x98, 0x9b, vdp);
161 io->set_iomap_range_rw(0x98, 0x99, vdp);
163 io->set_iomap_range_rw(0xa8, 0xab, pio);
164 io->set_iomap_alias_w(0xa0, psg, 0); // PSG ch
165 io->set_iomap_alias_w(0xa1, psg, 1); // PSG data
166 io->set_iomap_alias_r(0xa2, psg, 1); // PSG data
167 io->set_iomap_range_rw(0xfc, 0xff, memory);
169 // initialize all devices
170 for(DEVICE* device = first_device; device; device = device->next_device) {
171 device->initialize();
177 // delete all devices
178 for(DEVICE* device = first_device; device;) {
179 DEVICE *next_device = device->next_device;
182 device = next_device;
186 DEVICE* VM::get_device(int id)
188 for(DEVICE* device = first_device; device; device = device->next_device) {
189 if(device->this_device_id == id) {
196 // ----------------------------------------------------------------------------
197 // drive virtual machine
198 // ----------------------------------------------------------------------------
203 for(DEVICE* device = first_device; device; device = device->next_device) {
213 // ----------------------------------------------------------------------------
215 // ----------------------------------------------------------------------------
218 DEVICE *VM::get_cpu(int index)
227 // ----------------------------------------------------------------------------
229 // ----------------------------------------------------------------------------
231 void VM::draw_screen()
236 // ----------------------------------------------------------------------------
238 // ----------------------------------------------------------------------------
240 void VM::initialize_sound(int rate, int samples)
242 // init sound manager
243 event->initialize_sound(rate, samples);
246 psg->initialize_sound(rate, 3579545, samples, 0, 0);
247 pcm->initialize_sound(rate, 8000);
249 ldp->initialize_sound(rate, samples);
253 uint16_t* VM::create_sound(int* extra_frames)
255 return event->create_sound(extra_frames);
258 int VM::get_sound_buffer_ptr()
260 return event->get_sound_buffer_ptr();
264 void VM::movie_sound_callback(uint8_t *buffer, long size)
266 ldp->movie_sound_callback(buffer, size);
270 #ifdef USE_SOUND_VOLUME
271 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
274 psg->set_volume(1, decibel_l, decibel_r);
275 } else if(ch-- == 0) {
276 pcm->set_volume(0, decibel_l, decibel_r);
277 } else if(ch-- == 0) {
278 drec->set_volume(0, decibel_l, decibel_r);
280 } else if(ch-- == 0) {
281 ldp->set_volume(0, decibel_l, decibel_r);
283 } else if(ch-- == 0) {
284 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
285 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
286 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
291 // ----------------------------------------------------------------------------
293 // ----------------------------------------------------------------------------
295 void VM::open_cart(int drv, const _TCHAR* file_path)
298 slot1->open_cart(file_path);
300 slot3->open_cart(file_path);
305 void VM::close_cart(int drv)
315 bool VM::is_cart_inserted(int drv)
318 return slot1->is_cart_inserted();
320 return slot3->is_cart_inserted();
324 void VM::play_tape(int drv, const _TCHAR* file_path)
326 drec->play_tape(file_path);
327 // drec->set_remote(true);
330 void VM::rec_tape(int drv, const _TCHAR* file_path)
332 drec->rec_tape(file_path);
333 // drec->set_remote(true);
336 void VM::close_tape(int drv)
341 // drec->set_remote(false);
344 bool VM::is_tape_inserted(int drv)
346 return drec->is_tape_inserted();
349 bool VM::is_tape_playing(int drv)
351 return drec->is_tape_playing();
354 bool VM::is_tape_recording(int drv)
356 return drec->is_tape_recording();
359 int VM::get_tape_position(int drv)
361 return drec->get_tape_position();
364 const _TCHAR* VM::get_tape_message(int drv)
366 return drec->get_message();
369 void VM::push_play(int drv)
372 drec->set_remote(true);
375 void VM::push_stop(int drv)
377 drec->set_remote(false);
380 void VM::push_fast_forward(int drv)
383 drec->set_remote(true);
386 void VM::push_fast_rewind(int drv)
388 drec->set_ff_rew(-1);
389 drec->set_remote(true);
392 void VM::load_binary(int drv, const _TCHAR* file_path)
395 pac2->open_rampac2(file_path);
400 void VM::open_laser_disc(int drv, const _TCHAR* file_path)
402 ldp->open_disc(file_path);
405 void VM::close_laser_disc(int drv)
410 bool VM::is_laser_disc_inserted(int drv)
412 return ldp->is_disc_inserted();
415 uint32_t VM::is_laser_disc_accessed()
417 return lpd->read_signal(0);
420 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
422 memory->open_disk(drv, file_path, bank);
425 void VM::close_floppy_disk(int drv)
427 memory->close_disk(drv);
430 bool VM::is_floppy_disk_inserted(int drv)
432 return memory->is_disk_inserted(drv);
435 void VM::is_floppy_disk_protected(int drv, bool value)
437 memory->is_disk_protected(drv, value);
440 bool VM::is_floppy_disk_protected(int drv)
442 return memory->is_disk_protected(drv);
445 uint32_t VM::is_floppy_disk_accessed()
447 return memory->read_signal(0);
451 bool VM::is_frame_skippable()
453 return event->is_frame_skippable();
456 void VM::update_config()
458 for(DEVICE* device = first_device; device; device = device->next_device) {
459 device->update_config();
463 #define STATE_VERSION 4
465 void VM::save_state(FILEIO* state_fio)
467 state_fio->FputUint32(STATE_VERSION);
469 for(DEVICE* device = first_device; device; device = device->next_device) {
470 device->save_state(state_fio);
474 bool VM::load_state(FILEIO* state_fio)
476 if(state_fio->FgetUint32() != STATE_VERSION) {
479 for(DEVICE* device = first_device; device; device = device->next_device) {
480 if(!device->load_state(state_fio)) {