2 SHARP MZ-700 Emulator 'EmuZ-700'
3 SHARP MZ-800 Emulator 'EmuZ-800'
4 SHARP MZ-1500 Emulator 'EmuZ-1500'
6 Author : Takeda.Toshiya
13 #include "../../emu.h"
14 #include "../device.h"
18 #include "../datarec.h"
23 #include "../pcm1bit.h"
27 #include "../debugger.h"
37 #if defined(_MZ800) || defined(_MZ1500)
39 #include "../mb8877.h"
41 #include "../sn76489an.h"
42 #include "../z80pio.h"
43 #include "../z80sio.h"
46 #include "../mz1p17.h"
47 #include "../prnfile.h"
50 #include "quickdisk.h"
53 // ----------------------------------------------------------------------------
55 // ----------------------------------------------------------------------------
57 VM::VM(EMU* parent_emu) : emu(parent_emu)
60 boot_mode = config.boot_mode;
64 first_device = last_device = NULL;
65 dummy = new DEVICE(this, emu); // must be 1st device
66 event = new EVENT(this, emu); // must be 2nd device
68 dummy->set_device_name(_T("1st Dummy"));
70 and_int = new AND(this, emu);
71 and_int->set_device_name(_T("AND Gate (IRQ)"));
73 drec = new DATAREC(this, emu);
74 drec->set_context_noise_play(new NOISE(this, emu));
75 drec->set_context_noise_stop(new NOISE(this, emu));
76 drec->set_context_noise_fast(new NOISE(this, emu));
77 pit = new I8253(this, emu);
78 pio = new I8255(this, emu);
79 io = new IO(this, emu);
80 pcm = new PCM1BIT(this, emu);
81 cpu = new Z80(this, emu);
83 cpu->set_device_name(_T("CPU(Z80)"));
84 // cmos = new CMOS(this, emu);
85 emm = new EMM(this, emu);
86 kanji = new KANJI(this, emu);
87 keyboard = new KEYBOARD(this, emu);
88 memory = new MEMORY(this, emu);
89 ramfile = new RAMFILE(this, emu);
91 #if defined(_MZ800) || defined(_MZ1500)
92 and_snd = new AND(this, emu);
93 and_snd->set_device_name(_T("AND Gate (Sound)"));
94 fdc = new MB8877(this, emu); // mb8876
95 fdc->set_context_noise_seek(new NOISE(this, emu));
96 fdc->set_context_noise_head_down(new NOISE(this, emu));
97 fdc->set_context_noise_head_up(new NOISE(this, emu));
99 not_pit = new NOT(this, emu);
100 not_pit->set_device_name(_T("NOT Gate (PIT)"));
101 psg = new SN76489AN(this, emu);
102 #elif defined(_MZ1500)
103 if(config.printer_type == 0) {
104 printer = new PRNFILE(this, emu);
105 } else if(config.printer_type == 1) {
106 printer = new MZ1P17(this, emu);
110 not_reset = new NOT(this, emu);
111 not_strobe = new NOT(this, emu);
112 psg_l = new SN76489AN(this, emu);
113 psg_r = new SN76489AN(this, emu);
115 not_reset->set_device_name(_T("NOT Gate (Reset)"));
116 not_strobe->set_device_name(_T("NOT Gate (Prinet Strobe)"));
117 psg_l->set_device_name(_T("SN76489AN PSG (Left)"));
118 psg_r->set_device_name(_T("SN76489AN PSG (Right)"));
121 pio_int = new Z80PIO(this, emu);
122 sio_rs = new Z80SIO(this, emu);
123 sio_qd = new Z80SIO(this, emu);
125 floppy = new FLOPPY(this, emu);
127 psg = new PSG(this, emu);
129 qd = new QUICKDISK(this, emu);
133 event->set_context_cpu(cpu);
134 event->set_context_sound(pcm);
136 event->set_context_sound(psg);
137 #elif defined(_MZ1500)
138 event->set_context_sound(psg_l);
139 event->set_context_sound(psg_r);
141 event->set_context_sound(drec);
142 #if defined(_MZ800) || defined(_MZ1500)
143 event->set_context_sound(fdc->get_context_noise_seek());
144 event->set_context_sound(fdc->get_context_noise_head_down());
145 event->set_context_sound(fdc->get_context_noise_head_up());
147 event->set_context_sound(drec->get_context_noise_play());
148 event->set_context_sound(drec->get_context_noise_stop());
149 event->set_context_sound(drec->get_context_noise_fast());
152 memory->set_context_cpu(cpu);
155 memory->set_context_pio(pio);
156 memory->set_context_pit(pit);
160 psg->set_context_psg_l(psg_l);
161 psg->set_context_psg_r(psg_r);
165 // 8253:CLK#0 <- 1.10MHz
166 pit->set_constant_clock(0, 1100000);
168 // 8253:CLK#0 <- 895KHz
169 pit->set_constant_clock(0, CPU_CLOCKS / 4);
172 #if defined(_MZ800) || defined(_MZ1500)
173 // 8253:OUT#0 AND 8255:PC0 -> SPEAKER
174 pit->set_context_ch0(and_snd, SIG_AND_BIT_0, 1);
175 pio->set_context_port_c(and_snd, SIG_AND_BIT_1, 1, 0);
176 and_snd->set_context_out(pcm, SIG_PCM1BIT_SIGNAL, 1);
177 and_snd->set_mask(SIG_AND_BIT_0 | SIG_AND_BIT_1);
178 // Sound:: Force realtime rendering. This is temporally fix. 20161024 K.O
180 // 8253:OUT#0 -> SPEAKER
181 pit->set_context_ch0(pcm, SIG_PCM1BIT_SIGNAL, 1);
182 // Sound:: Force realtime rendering. This is temporally fix. 20161024 K.O
185 // 8253:OUT#0 -> NOT -> Z80PIO:PA4
186 pit->set_context_ch0(not_pit, SIG_NOT_INPUT, 1);
187 not_pit->set_context_out(pio_int, SIG_Z80PIO_PORT_A, 0x10);
188 #elif defined(_MZ1500)
189 // 8253:OUT#0 -> Z80PIO:PA4
190 pit->set_context_ch0(pio_int, SIG_Z80PIO_PORT_A, 0x10);
193 // 8253:CLK#1 <- 15.7KHz
194 pit->set_constant_clock(1, CPU_CLOCKS / 228);
196 // 8253:OUT#1 -> 8253:CLK#2
197 pit->set_context_ch1(pit, SIG_I8253_CLOCK_2, 1);
199 // 8253:OUT#2 (N)AND 8255:PC2 -> Z80:INT
200 pit->set_context_ch2(and_int, SIG_AND_BIT_0, 1);
201 pio->set_context_port_c(and_int, SIG_AND_BIT_1, 4, 0);
202 and_int->set_context_out(cpu, SIG_CPU_IRQ, 1);
203 and_int->set_mask(SIG_AND_BIT_0 | SIG_AND_BIT_1);
206 // 8253:OUT#2 -> Z80PIO:PA5
207 pit->set_context_ch2(pio_int, SIG_Z80PIO_PORT_A, 0x20);
210 // 8255:PA0-3 -> KEYBOARD:STROBE
211 pio->set_context_port_a(keyboard, SIG_KEYBOARD_COLUMN, 0x0f, 0);
213 // 8255:PA4 -> JOYSTICK #1
214 // 8255:PA5 -> JOYSTICK #2
216 // 8255:PA7 -> 556 RESET
218 // 8255:PB0-7 <- KEYBOARD:DATA
219 keyboard->set_context_pio(pio);
221 // 8255:PC0 -> AND -> SPEAKER
222 // 8255:PC1 -> DATA RECORDER:WRITE DATA
223 pio->set_context_port_c(drec, SIG_DATAREC_MIC, 0x02, 0);
224 // 8255:PC2 -> (N)AND -> Z80:INT
225 // 8255:PC3 -> DATA RECORDER:MOTOR ON/OFF
226 pio->set_context_port_c(drec, SIG_DATAREC_TRIG, 0x08, 0);
227 // 8255:PC4 <- DATA RECORDER:MOTOR REMOTE
228 drec->set_context_remote(pio, SIG_I8255_PORT_C, 0x10);
229 // 8255:PC5 <- DATA RECORDER:READ DATA
230 drec->set_context_ear(pio, SIG_I8255_PORT_C, 0x20);
231 // 8255:PC6 <- MEMORY:556 OUT (1.5KHz)
232 // 8255:PC7 <- MEMORY:VBLANK
234 #if defined(_MZ800) || defined(_MZ1500)
238 // Z80PIO:PA4 <- NOT <- 8253:OUT#0
239 // Z80PIO:PA5 <- HBLANK
240 memory->set_context_pio_int(pio_int);
241 #elif defined(_MZ1500)
242 // Z80PIO:PA0 <- PRINTER:RDA (BUSY)
243 // Z80PIO:PA1 <- PRINTER:STA (PE)
244 if(config.printer_type == 0) {
245 PRNFILE *prnfile = (PRNFILE *)printer;
246 prnfile->set_context_busy(pio_int, SIG_Z80PIO_PORT_A, 0x01);
247 } else if(config.printer_type == 1) {
248 MZ1P17 *mz1p17 = (MZ1P17 *)printer;
249 mz1p17->mode = MZ1P17_MODE_MZ2;
250 mz1p17->set_context_busy(pio_int, SIG_Z80PIO_PORT_A, 0x01);
252 // Z80PIO:PA4 <- 8253:OUT#0
253 // Z80PIO:PA5 <- 8253:OUT#2
254 // Z80PIO:PA6 -> NOT -> PRINTER:IRT (RESET)
255 // Z80PIO:PA7 -> NOT -> PRINTER:RDP (STROBE)
256 // Z80PIO:PB -> PRINTER:DATA
257 pio_int->set_context_port_a(not_reset, SIG_NOT_INPUT, 0x40, 0);
258 not_reset->set_context_out(printer, SIG_PRINTER_RESET, 0x01);
259 pio_int->set_context_port_a(not_strobe, SIG_NOT_INPUT, 0x80, 0);
260 not_strobe->set_context_out(printer, SIG_PRINTER_STROBE, 0x01);
261 pio_int->set_context_port_b(printer, SIG_PRINTER_DATA, 0xff, 0);
265 #if defined(_MZ800) || defined(_MZ1500)
266 // Z80SIO:RTSA -> QD:WRGA
267 sio_qd->set_context_rts(0, qd, QUICKDISK_SIO_RTSA, 1);
268 // Z80SIO:DTRB -> QD:MTON
269 sio_qd->set_context_dtr(1, qd, QUICKDISK_SIO_DTRB, 1);
270 // Z80SIO:SENDA -> QD:RECV
271 sio_qd->set_context_sync(0, qd, QUICKDISK_SIO_SYNC, 1);
272 sio_qd->set_context_rxdone(0, qd, QUICKDISK_SIO_RXDONE, 1);
273 sio_qd->set_context_send(0, qd, QUICKDISK_SIO_DATA);
274 sio_qd->set_context_break(0, qd, QUICKDISK_SIO_BREAK, 1);
275 // Z80SIO:CTSA <- QD:PROTECT
276 // Z80SIO:DCDA <- QD:INSERT
277 // Z80SIO:DCDB <- QD:HOE
278 qd->set_context_sio(sio_qd);
280 sio_rs->set_tx_clock(0, 1200 * 16); // 1200 baud
281 sio_rs->set_rx_clock(0, 1200 * 16); // baud-rate can be changed by jumper pin
282 sio_rs->set_tx_clock(1, 1200 * 16);
283 sio_rs->set_rx_clock(1, 1200 * 16);
285 sio_qd->set_tx_clock(0, 101562.5);
286 sio_qd->set_rx_clock(0, 101562.5);
287 sio_qd->set_tx_clock(1, 101562.5);
288 sio_qd->set_rx_clock(1, 101562.5);
291 floppy->set_context_cpu(cpu);
292 floppy->set_context_fdc(fdc);
293 fdc->set_context_drq(floppy, SIG_FLOPPY_DRQ, 1);
297 cpu->set_context_mem(memory);
298 cpu->set_context_io(io);
299 #if defined(_MZ800) || defined(_MZ1500)
300 cpu->set_context_intr(pio_int);
301 // z80 family daisy chain
303 pio_int->set_context_intr(cpu, 1);
304 pio_int->set_context_child(sio_rs);
305 sio_rs->set_context_intr(cpu, 2);
306 sio_rs->set_context_child(sio_qd);
307 sio_qd->set_context_intr(cpu, 3);
309 cpu->set_context_intr(dummy);
312 cpu->set_context_debugger(new DEBUGGER(this, emu));
316 io->set_iomap_range_rw(0x00, 0x03, emm);
318 io->set_iomap_range_rw(0xb8, 0xb9, kanji);
320 io->set_iomap_range_rw(0xea, 0xeb, ramfile);
322 // io->set_iomap_range_rw(0xf8, 0xfa, cmos);
326 io->set_iomap_range_rw(0xd0, 0xd3, pio);
327 io->set_iomap_range_rw(0xd4, 0xd7, pit);
330 #if defined(_MZ800) || defined(_MZ1500)
332 io->set_iomap_range_rw(0xd8, 0xdb, fdc);
333 io->set_iomap_range_w(0xdc, 0xdf, floppy);
338 io->set_iomap_range_r(0xe0, 0xe1, memory);
339 io->set_iomap_range_w(0xe0, 0xe6, memory);
340 #elif defined(_MZ1500)
341 io->set_iomap_range_w(0xe0, 0xe6, memory);
343 io->set_iomap_range_w(0xe0, 0xe4, memory);
348 io->set_iomap_range_w(0xcc, 0xcf, memory);
349 io->set_iomap_single_r(0xce, memory);
351 io->set_iomap_single_w(0xf0, memory);
352 #elif defined(_MZ1500)
354 io->set_iomap_range_w(0xf0, 0xf1, memory);
359 // io->set_iomap_range_r(0xf0, 0xf1, joystick);
364 io->set_iomap_single_w(0xf2, psg);
365 #elif defined(_MZ1500)
366 io->set_iomap_single_w(0xe9, psg);
367 io->set_iomap_single_w(0xf2, psg_l);
368 io->set_iomap_single_w(0xf3, psg_r);
371 #if defined(_MZ800) || defined(_MZ1500)
373 // z80pio and z80sio*2
374 static const int z80_sio_addr[4] = {0, 2, 1, 3};
375 static const int z80_pio_addr[4] = {1, 3, 0, 2};
376 for(int i = 0; i < 4; i++) {
377 io->set_iomap_alias_rw(0xb0 + i, sio_rs, z80_sio_addr[i]);
378 io->set_iomap_alias_rw(0xf4 + i, sio_qd, z80_sio_addr[i]);
379 io->set_iomap_alias_rw(0xfc + i, pio_int, z80_pio_addr[i]);
383 io->set_iovalue_single_r(0xfe, 0xc0);
386 // initialize all devices
387 for(DEVICE* device = first_device; device; device = device->next_device) {
388 device->initialize();
390 pcm->set_realtime_render(true);
391 #if defined(_MZ800) || defined(_MZ1500)
392 for(int i = 0; i < MAX_DRIVE; i++) {
393 fdc->set_drive_type(i, DRIVE_TYPE_2DD);
400 // delete all devices
401 for(DEVICE* device = first_device; device;) {
402 DEVICE *next_device = device->next_device;
405 device = next_device;
409 DEVICE* VM::get_device(int id)
411 for(DEVICE* device = first_device; device; device = device->next_device) {
412 if(device->this_device_id == id) {
419 // ----------------------------------------------------------------------------
420 // drive virtual machine
421 // ----------------------------------------------------------------------------
426 for(DEVICE* device = first_device; device; device = device->next_device) {
429 and_int->write_signal(SIG_AND_BIT_0, 0, 1); // CLOCK = L
430 and_int->write_signal(SIG_AND_BIT_1, 1, 1); // INTMASK = H
431 #if defined(_MZ800) || defined(_MZ1500)
432 and_snd->write_signal(SIG_AND_BIT_1, 1, 1); // SNDMASK = H
435 pio_int->write_signal(SIG_Z80PIO_PORT_A, 0x02, 0x03); // BUSY = L, PE = H
444 // ----------------------------------------------------------------------------
446 // ----------------------------------------------------------------------------
449 DEVICE *VM::get_cpu(int index)
458 // ----------------------------------------------------------------------------
460 // ----------------------------------------------------------------------------
462 void VM::draw_screen()
464 memory->draw_screen();
467 // ----------------------------------------------------------------------------
469 // ----------------------------------------------------------------------------
471 void VM::initialize_sound(int rate, int samples)
473 // init sound manager
474 event->initialize_sound(rate, samples);
477 pcm->initialize_sound(rate, 8000);
479 psg->initialize_sound(rate, 3579545, 8000);
480 #elif defined(_MZ1500)
481 psg_l->initialize_sound(rate, 3579545, 8000);
482 psg_r->initialize_sound(rate, 3579545, 8000);
486 uint16_t* VM::create_sound(int* extra_frames)
488 return event->create_sound(extra_frames);
491 int VM::get_sound_buffer_ptr()
493 return event->get_sound_buffer_ptr();
496 #ifdef USE_SOUND_VOLUME
497 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
501 psg->set_volume(0, decibel_l, decibel_r);
503 #elif defined(_MZ1500)
505 psg_l->set_volume(0, decibel_l, decibel_r);
506 } else if(ch-- == 0) {
507 psg_r->set_volume(0, decibel_l, decibel_r);
511 pcm->set_volume(0, decibel_l, decibel_r);
512 } else if(ch-- == 0) {
513 drec->set_volume(0, decibel_l, decibel_r);
514 #if defined(_MZ800) || defined(_MZ1500)
515 } else if(ch-- == 0) {
516 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
517 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
518 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
520 } else if(ch-- == 0) {
521 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
522 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
523 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
528 // ----------------------------------------------------------------------------
530 // ----------------------------------------------------------------------------
532 void VM::play_tape(int drv, const _TCHAR* file_path)
534 drec->play_tape(file_path);
535 drec->set_remote(true);
538 void VM::rec_tape(int drv, const _TCHAR* file_path)
540 drec->rec_tape(file_path);
541 drec->set_remote(true);
544 void VM::close_tape(int drv)
550 drec->set_remote(false);
553 bool VM::is_tape_inserted(int drv)
555 return drec->is_tape_inserted();
558 bool VM::is_tape_playing(int drv)
560 return drec->is_tape_playing();
563 bool VM::is_tape_recording(int drv)
565 return drec->is_tape_recording();
568 int VM::get_tape_position(int drv)
570 return drec->get_tape_position();
573 const _TCHAR* VM::get_tape_message(int drv)
575 return drec->get_message();
578 void VM::push_play(int drv)
581 drec->set_remote(true);
584 void VM::push_stop(int drv)
586 drec->set_remote(false);
589 void VM::push_fast_forward(int drv)
592 drec->set_remote(true);
595 void VM::push_fast_rewind(int drv)
597 drec->set_ff_rew(-1);
598 drec->set_remote(true);
601 #if defined(_MZ800) || defined(_MZ1500)
602 void VM::open_quick_disk(int drv, const _TCHAR* file_path)
605 qd->open_disk(file_path);
609 void VM::close_quick_disk(int drv)
616 bool VM::is_quick_disk_inserted(int drv)
619 return qd->is_disk_inserted();
625 uint32_t VM::is_quick_disk_accessed()
627 return qd->read_signal(0);
630 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
632 fdc->open_disk(drv, file_path, bank);
635 void VM::close_floppy_disk(int drv)
637 fdc->close_disk(drv);
640 bool VM::is_floppy_disk_inserted(int drv)
642 return fdc->is_disk_inserted(drv);
645 void VM::is_floppy_disk_protected(int drv, bool value)
647 fdc->is_disk_protected(drv, value);
650 bool VM::is_floppy_disk_protected(int drv)
652 return fdc->is_disk_protected(drv);
655 uint32_t VM::is_floppy_disk_accessed()
657 return fdc->read_signal(0);
661 bool VM::is_frame_skippable()
663 return event->is_frame_skippable();
666 void VM::update_config()
669 if(boot_mode != config.boot_mode) {
670 // boot mode is changed !!!
671 boot_mode = config.boot_mode;
675 for(DEVICE* device = first_device; device; device = device->next_device) {
676 device->update_config();
683 #define STATE_VERSION 2
685 void VM::save_state(FILEIO* state_fio)
687 state_fio->FputUint32(STATE_VERSION);
689 for(DEVICE* device = first_device; device; device = device->next_device) {
690 device->save_state(state_fio);
693 state_fio->FputInt32(boot_mode);
697 bool VM::load_state(FILEIO* state_fio)
699 if(state_fio->FgetUint32() != STATE_VERSION) {
702 for(DEVICE* device = first_device; device; device = device->next_device) {
703 if(!device->load_state(state_fio)) {
708 boot_mode = state_fio->FgetInt32();