2 NEC PC-98LT Emulator 'ePC-98LT'
3 NEC PC-98HA Emulator 'eHANDY98'
5 Author : Takeda.Toshiya
12 #include "../../emu.h"
13 #include "../device.h"
21 //#if defined(HAS_V30) || defined(HAS_I86)
22 //# include "../i86.h"
29 //#include "../pcpr201.h"
30 #include "../prnfile.h"
32 #include "../upd4991a.h"
34 #include "../upd1990a.h"
36 #include "../upd71071.h"
37 #include "../upd765a.h"
40 #include "../debugger.h"
50 // ----------------------------------------------------------------------------
52 // ----------------------------------------------------------------------------
54 VM::VM(EMU* parent_emu) : VM_TEMPLATE(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"));
62 beep = new BEEP(this, emu);
63 sio_rs = new I8251(this, emu); // for rs232c
64 sio_rs->set_device_name(_T("8251 SIO (RS-232C)"));
65 sio_kbd = new I8251(this, emu); // for keyboard
66 sio_kbd->set_device_name(_T("8251 SIO (Keyboard)"));
67 pit = new I8253(this, emu); // V50 internal
68 pio_sys = new I8255(this, emu); // for system port
69 pio_sys->set_device_name(_T("8255 PIO (System)"));
70 pio_prn = new I8255(this, emu); // for printer
71 pio_prn->set_device_name(_T("8251 PIO (Printer)"));
72 pic = new I8259(this, emu); // V50 internal
73 //#if defined(HAS_V30) || defined(HAS_I86)
74 // cpu = new I86(this, emu); // V50
76 cpu = new I286(this, emu); // V50
78 io = new IO(this, emu);
79 not_busy = new NOT(this, emu);
81 rtc = new UPD4991A(this, emu);
83 rtc = new UPD1990A(this, emu);
85 dma = new UPD71071(this, emu); // V50 internal
86 fdc = new UPD765A(this, emu);
87 fdc->set_context_noise_seek(new NOISE(this, emu));
88 fdc->set_context_noise_head_down(new NOISE(this, emu));
89 fdc->set_context_noise_head_up(new NOISE(this, emu));
90 pic->set_device_name(_T("V50 PIC(i8259 COMPATIBLE)"));
91 cpu->set_device_name(_T("CPU (V50)"));
92 not_busy->set_device_name(_T("NOT GATE(PRINTER BUSY)"));
94 if(config.printer_type == 0) {
95 printer = new PRNFILE(this, emu);
96 // } else if(config.printer_type == 1) {
97 // printer = new PCPR201(this, emu);
102 bios = new BIOS(this, emu);
103 calendar = new CALENDAR(this, emu);
104 floppy = new FLOPPY(this, emu);
105 keyboard = new KEYBOARD(this, emu);
106 memory = new PC98LT_MEMORY(this, emu);
107 note = new NOTE(this, emu);
109 event->set_context_cpu(cpu);
110 event->set_context_sound(beep);
111 event->set_context_sound(fdc->get_context_noise_seek());
112 event->set_context_sound(fdc->get_context_noise_head_down());
113 event->set_context_sound(fdc->get_context_noise_head_up());
114 //??? sio_rs->set_context_rxrdy(pic, SIG_I8259_IR4, 1);
115 sio_kbd->set_context_rxrdy(pic, SIG_I8259_IR1, 1);
116 // sio_kbd->set_context_out(keyboard, SIG_KEYBOARD_RECV);
117 pit->set_context_ch0(pic, SIG_I8259_IR0, 1);
118 pit->set_context_ch1(pic, SIG_I8259_IR2, 1);
120 pit->set_constant_clock(0, 2457600);
121 pit->set_constant_clock(1, 2457600);
122 pit->set_constant_clock(2, 2457600);
124 pit->set_constant_clock(0, 1996800);
125 pit->set_constant_clock(1, 300); // ???
126 pit->set_constant_clock(2, 1996800);
128 pio_sys->set_context_port_c(beep, SIG_BEEP_MUTE, 8, 0);
129 pio_prn->set_context_port_a(printer, SIG_PRINTER_DATA, 0xff, 0);
130 pio_prn->set_context_port_c(printer, SIG_PRINTER_STROBE, 0x80, 0);
131 if(config.printer_type == 0) {
132 PRNFILE *prnfile = (PRNFILE *)printer;
133 prnfile->set_context_busy(not_busy, SIG_NOT_INPUT, 1);
134 // } else if(config.printer_type == 1) {
135 // PRNFILE *pcpr201 = (PCPR201 *)printer;
136 // pcpr201->set_context_busy(not_busy, SIG_NOT_INPUT, 1);
138 not_busy->set_context_out(pio_prn, SIG_I8255_PORT_B, 4);
139 pic->set_context_cpu(cpu);
141 rtc->set_context_dout(pio_sys, SIG_I8255_PORT_B, 1);
143 dma->set_context_memory(memory);
144 dma->set_context_ch2(fdc); // 1MB
145 dma->set_context_ch3(fdc); // 640KB
146 fdc->set_context_irq(pic, SIG_I8259_IR6, 1);
147 fdc->set_context_drq(dma, SIG_UPD71071_CH3, 1);
148 fdc->raise_irq_when_media_changed = true;
150 bios->set_context_fdc(fdc);
151 calendar->set_context_rtc(rtc);
152 floppy->set_context_fdc(fdc);
153 keyboard->set_context_sio(sio_kbd);
154 note->set_context_pic(pic);
157 cpu->set_context_bios(bios);
158 cpu->set_context_mem(memory);
159 cpu->set_context_io(io);
160 cpu->set_context_intr(pic);
161 #ifdef SINGLE_MODE_DMA
162 cpu->set_context_dma(dma);
165 cpu->set_context_debugger(new DEBUGGER(this, emu));
169 io->set_iomap_alias_rw(0x00, pic, 0);
170 io->set_iomap_alias_rw(0x02, pic, 1);
172 io->set_iomap_range_rw(0x22, 0x23, calendar);
174 io->set_iomap_single_w(0x20, calendar);
176 io->set_iomap_alias_rw(0x30, sio_rs, 0);
177 io->set_iomap_alias_rw(0x32, sio_rs, 1);
178 io->set_iomap_alias_rw(0x31, pio_sys, 0);
179 io->set_iomap_alias_rw(0x33, pio_sys, 1);
180 io->set_iomap_alias_rw(0x35, pio_sys, 2);
181 io->set_iomap_alias_rw(0x37, pio_sys, 3);
182 io->set_iomap_alias_rw(0x40, pio_prn, 0);
183 io->set_iomap_alias_rw(0x42, pio_prn, 1);
184 io->set_iomap_alias_rw(0x44, pio_prn, 2);
185 io->set_iomap_alias_rw(0x46, pio_prn, 3);
186 io->set_iomap_alias_rw(0x41, sio_kbd, 0);
187 io->set_iomap_alias_rw(0x43, sio_kbd, 1);
188 io->set_iomap_alias_rw(0x71, pit, 0);
189 io->set_iomap_alias_rw(0x73, pit, 1);
190 io->set_iomap_alias_rw(0x75, pit, 2);
191 io->set_iomap_alias_rw(0x77, pit, 3);
192 #if defined(_PC98LT) || defined(DOCKING_STATION)
193 io->set_iomap_single_r(0xc8, floppy);
194 io->set_iomap_single_rw(0xca, floppy);
195 io->set_iomap_single_rw(0xcc, floppy);
196 io->set_iomap_single_rw(0xbe, floppy);
198 io->set_iomap_range_rw(0xe0, 0xef, dma);
199 io->set_iomap_single_w(0x8e1, memory);
200 io->set_iomap_single_w(0x8e3, memory);
201 io->set_iomap_single_w(0x8e5, memory);
202 io->set_iomap_single_w(0x8e7, memory);
203 io->set_iomap_single_rw(0x0c10, memory);
204 io->set_iomap_single_w(0x0e8e, memory);
205 io->set_iomap_single_w(0x1e8e, memory);
206 io->set_iomap_single_rw(0x4c10, memory);
207 io->set_iomap_single_rw(0x8c10, memory);
208 io->set_iomap_single_rw(0xcc10, memory);
209 io->set_iomap_single_rw(0x0810, note);
210 io->set_iomap_single_rw(0x0812, note);
211 io->set_iomap_single_r(0x0f8e, note);
212 io->set_iomap_single_r(0x5e8e, note);
213 io->set_iomap_single_rw(0x8810, note);
214 io->set_iomap_single_w(0xc810, note);
216 // initialize all devices
217 #if defined(__GIT_REPO_VERSION)
218 strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
220 for(DEVICE* device = first_device; device; device = device->next_device) {
221 device->initialize();
227 // delete all devices
228 for(DEVICE* device = first_device; device;) {
229 DEVICE *next_device = device->next_device;
232 device = next_device;
236 DEVICE* VM::get_device(int id)
238 for(DEVICE* device = first_device; device; device = device->next_device) {
239 if(device->this_device_id == id) {
246 // ----------------------------------------------------------------------------
247 // drive virtual machine
248 // ----------------------------------------------------------------------------
253 for(DEVICE* device = first_device; device; device = device->next_device) {
257 // initial device settings
258 pio_sys->write_signal(SIG_I8255_PORT_A, 0xe3, 0xff);
259 pio_sys->write_signal(SIG_I8255_PORT_B, 0xe0, 0xff);
261 pio_prn->write_signal(SIG_I8255_PORT_B, 0xde, 0xff);
263 pio_prn->write_signal(SIG_I8255_PORT_B, 0xfc, 0xff);
265 beep->write_signal(SIG_BEEP_ON, 1, 1);
266 beep->write_signal(SIG_BEEP_MUTE, 1, 1);
274 // ----------------------------------------------------------------------------
276 // ----------------------------------------------------------------------------
279 DEVICE *VM::get_cpu(int index)
288 // ----------------------------------------------------------------------------
290 // ----------------------------------------------------------------------------
292 void VM::draw_screen()
294 memory->draw_screen();
297 // ----------------------------------------------------------------------------
299 // ----------------------------------------------------------------------------
301 void VM::initialize_sound(int rate, int samples)
303 // init sound manager
304 event->initialize_sound(rate, samples);
307 beep->initialize_sound(rate, 2400, 8000);
310 uint16_t* VM::create_sound(int* extra_frames)
312 return event->create_sound(extra_frames);
315 int VM::get_sound_buffer_ptr()
317 return event->get_sound_buffer_ptr();
320 #ifdef USE_SOUND_VOLUME
321 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
324 beep->set_volume(0, decibel_l, decibel_r);
326 fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
327 fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
328 fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
333 // ----------------------------------------------------------------------------
335 // ----------------------------------------------------------------------------
337 void VM::key_down(int code, bool repeat)
339 keyboard->key_down(code);
342 void VM::key_up(int code)
344 keyboard->key_up(code);
347 bool VM::get_caps_locked()
349 return keyboard->get_caps_locked();
352 bool VM::get_kana_locked()
354 return keyboard->get_kana_locked();
357 // ----------------------------------------------------------------------------
359 // ----------------------------------------------------------------------------
361 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
363 fdc->open_disk(drv, file_path, bank);
366 void VM::close_floppy_disk(int drv)
368 fdc->close_disk(drv);
371 bool VM::is_floppy_disk_inserted(int drv)
373 return fdc->is_disk_inserted(drv);
376 void VM::is_floppy_disk_protected(int drv, bool value)
378 fdc->is_disk_protected(drv, value);
381 bool VM::is_floppy_disk_protected(int drv)
383 return fdc->is_disk_protected(drv);
386 uint32_t VM::is_floppy_disk_accessed()
388 return fdc->read_signal(0);
391 bool VM::is_frame_skippable()
393 return event->is_frame_skippable();
396 void VM::update_config()
398 for(DEVICE* device = first_device; device; device = device->next_device) {
399 device->update_config();
403 #define STATE_VERSION 6
405 bool VM::process_state(FILEIO* state_fio, bool loading)
407 if(!state_fio->StateCheckUint32(STATE_VERSION)) {
410 for(DEVICE* device = first_device; device; device = device->next_device) {
411 // Note: typeid(foo).name is fixed by recent ABI.Not dec 6.
412 // const char *name = typeid(*device).name();
413 // But, using get_device_name() instead of typeid(foo).name() 20181008 K.O
414 const char *name = device->get_device_name();
415 int len = strlen(name);
417 if(!state_fio->StateCheckInt32(len)) {
419 printf("Class name len Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
423 if(!state_fio->StateCheckBuffer(name, len, 1)) {
425 printf("Class name Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
429 if(!device->process_state(state_fio, loading)) {
431 printf("Data loading Error: DEVID=%d\n", device->this_device_id);
436 // Machine specified.