2 SHARP MZ-5500 Emulator 'EmuZ-5500'
4 Author : Takeda.Toshiya
11 #include "../../emu.h"
12 #include "../device.h"
22 #include "../mz1p17.h"
24 #include "../prnfile.h"
25 #include "../rp5c01.h"
26 #include "../upd7220.h"
27 #include "../upd765a.h"
28 #include "../ym2203.h"
29 #include "../z80ctc.h"
30 #include "../z80sio.h"
33 #include "../debugger.h"
41 // ----------------------------------------------------------------------------
43 // ----------------------------------------------------------------------------
45 VM::VM(EMU* parent_emu) : emu(parent_emu)
48 first_device = last_device = NULL;
49 dummy = new DEVICE(this, emu); // must be 1st device
50 event = new EVENT(this, emu); // must be 2nd device
52 if(config.printer_device_type == 0) {
53 printer = new PRNFILE(this, emu);
54 } else if(config.printer_device_type == 1) {
55 printer = new MZ1P17(this, emu);
59 dma = new I8237(this, emu);
60 pio = new I8255(this, emu);
61 pic = new I8259(this, emu);
62 cpu = new I286(this, emu);
63 io = new IO(this, emu);
64 div = new LS393(this, emu);
65 not_data1 = new NOT(this, emu);
66 not_data2 = new NOT(this, emu);
67 not_data3 = new NOT(this, emu);
68 not_data4 = new NOT(this, emu);
69 not_data5 = new NOT(this, emu);
70 not_data6 = new NOT(this, emu);
71 not_data7 = new NOT(this, emu);
72 not_data8 = new NOT(this, emu);
73 not_busy = new NOT(this, emu);
74 rtc = new RP5C01(this, emu);
75 gdc = new UPD7220(this, emu);
76 fdc = new UPD765A(this, emu);
77 psg = new YM2203(this, emu); // AY-3-8912
78 ctc0 = new Z80CTC(this, emu);
79 #if defined(_MZ6500) || defined(_MZ6550)
80 ctc1 = new Z80CTC(this, emu);
82 sio = new Z80SIO(this, emu);
84 display = new DISPLAY(this, emu);
85 keyboard = new KEYBOARD(this, emu);
86 memory = new MEMORY(this, emu);
87 sysport = new SYSPORT(this, emu);
90 event->set_context_cpu(cpu);
91 event->set_context_sound(psg);
93 if(config.printer_device_type == 0) {
94 PRNFILE *prnfile = (PRNFILE *)printer;
95 prnfile->set_context_busy(not_busy, SIG_NOT_INPUT, 1);
96 prnfile->set_context_ack(pio, SIG_I8255_PORT_C, 0x40);
97 } else if(config.printer_device_type == 1) {
98 MZ1P17 *mz1p17 = (MZ1P17 *)printer;
99 mz1p17->mode = MZ1P17_MODE_MZ1;
100 mz1p17->set_context_busy(not_busy, SIG_NOT_INPUT, 1);
101 mz1p17->set_context_ack(pio, SIG_I8255_PORT_C, 0x40);
103 dma->set_context_memory(memory);
104 dma->set_context_ch1(fdc);
105 pio->set_context_port_a(not_data1, SIG_NOT_INPUT, 0x01, 0);
106 pio->set_context_port_a(not_data2, SIG_NOT_INPUT, 0x02, 0);
107 pio->set_context_port_a(not_data3, SIG_NOT_INPUT, 0x04, 0);
108 pio->set_context_port_a(not_data4, SIG_NOT_INPUT, 0x08, 0);
109 pio->set_context_port_a(not_data5, SIG_NOT_INPUT, 0x10, 0);
110 pio->set_context_port_a(not_data6, SIG_NOT_INPUT, 0x20, 0);
111 pio->set_context_port_a(not_data7, SIG_NOT_INPUT, 0x40, 0);
112 pio->set_context_port_a(not_data8, SIG_NOT_INPUT, 0x80, 0);
113 pio->set_context_port_c(keyboard, SIG_KEYBOARD_INPUT, 0x03, 0);
114 pio->set_context_port_c(pic, SIG_I8259_IR2 | SIG_I8259_CHIP0, 0x08, 0);
115 pio->set_context_port_c(printer, SIG_PRINTER_STROBE, 0x20, 0);
116 pic->set_context_cpu(cpu);
117 div->set_context_2qb(ctc0, SIG_Z80CTC_TRIG_3, 1);
118 #if defined(_MZ6500) || defined(_MZ6550)
119 div->set_context_1qb(ctc1, SIG_Z80CTC_TRIG_0, 1);
120 div->set_context_2qb(ctc1, SIG_Z80CTC_TRIG_1, 1);
121 div->set_context_2qb(ctc1, SIG_Z80CTC_TRIG_2, 1);
122 div->set_context_2qd(ctc1, SIG_Z80CTC_TRIG_3, 1);
124 rtc->set_context_alarm(pic, SIG_I8259_IR0 | SIG_I8259_CHIP1, 1);
125 gdc->set_vram_ptr(memory->get_vram(), 0x80000);
126 gdc->set_context_vsync(pic, SIG_I8259_IR0 | SIG_I8259_CHIP0, 1);
127 fdc->set_context_irq(pic, SIG_I8259_IR1 | SIG_I8259_CHIP1, 1);
128 fdc->set_context_drq(dma, SIG_I8237_CH1, 1);
129 psg->set_context_port_a(pic, SIG_I8259_IR7 | SIG_I8259_CHIP0, 0x20, 0);
130 psg->set_context_port_a(pic, SIG_I8259_IR7 | SIG_I8259_CHIP1, 0x40, 0);
131 psg->set_context_port_a(memory, SIG_MEMORY_BANK, 0xe0, 0);
132 ctc0->set_context_intr(pic, SIG_I8259_IR5 | SIG_I8259_CHIP0);
133 ctc0->set_context_zc0(div, SIG_LS393_CLK, 1);
134 ctc0->set_context_zc1(sio, SIG_Z80SIO_TX_CLK_CH0, 1);
135 ctc0->set_context_zc1(sio, SIG_Z80SIO_RX_CLK_CH0, 1);
136 ctc0->set_context_zc2(sio, SIG_Z80SIO_TX_CLK_CH1, 1);
137 ctc0->set_context_zc2(sio, SIG_Z80SIO_RX_CLK_CH1, 1);
138 #if defined(_MZ6500) || defined(_MZ6550)
139 ctc0->set_context_child(ctc1);
140 ctc1->set_context_intr(pic, SIG_I8259_IR5 | SIG_I8259_CHIP0);
142 sio->set_context_intr(pic, SIG_I8259_IR1 | SIG_I8259_CHIP0);
144 not_data1->set_context_out(printer, SIG_PRINTER_DATA, 0x01);
145 not_data2->set_context_out(printer, SIG_PRINTER_DATA, 0x02);
146 not_data3->set_context_out(printer, SIG_PRINTER_DATA, 0x04);
147 not_data4->set_context_out(printer, SIG_PRINTER_DATA, 0x08);
148 not_data5->set_context_out(printer, SIG_PRINTER_DATA, 0x10);
149 not_data6->set_context_out(printer, SIG_PRINTER_DATA, 0x20);
150 not_data7->set_context_out(printer, SIG_PRINTER_DATA, 0x40);
151 not_data8->set_context_out(printer, SIG_PRINTER_DATA, 0x80);
152 not_busy->set_context_out(pio, SIG_I8255_PORT_B, 0x01);
153 display->set_vram_ptr(memory->get_vram());
154 display->set_sync_ptr(gdc->get_sync());
155 display->set_ra_ptr(gdc->get_ra());
156 display->set_cs_ptr(gdc->get_cs());
157 display->set_ead_ptr(gdc->get_ead());
158 keyboard->set_context_pio(pio);
159 keyboard->set_context_pic(pic);
160 memory->set_context_cpu(cpu);
161 sysport->set_context_fdc(fdc);
162 sysport->set_context_ctc(ctc0);
163 sysport->set_context_sio(sio);
166 cpu->set_context_mem(memory);
167 cpu->set_context_io(io);
168 cpu->set_context_intr(pic);
169 #ifdef SINGLE_MODE_DMA
170 cpu->set_context_dma(dma);
173 cpu->set_context_debugger(new DEBUGGER(this, emu));
177 io->set_iomap_range_rw(0x00, 0x0f, dma);
178 io->set_iomap_range_rw(0x10, 0x1f, pio);
179 io->set_iomap_range_rw(0x20, 0x2f, fdc);
180 for(int i = 0x30; i < 0x40; i += 2) {
181 io->set_iomap_alias_rw(i, pic, I8259_ADDR_CHIP0 | ((i >> 1) & 1));
183 for(int i = 0x40; i < 0x50; i += 2) {
184 io->set_iomap_alias_rw(i, pic, I8259_ADDR_CHIP1 | ((i >> 1) & 1));
186 io->set_iomap_range_w(0x50, 0x5f, memory);
187 io->set_iomap_range_r(0x60, 0x6f, sysport);
188 io->set_iomap_range_w(0x70, 0x7f, sysport);
189 #if defined(_MZ6500) || defined(_MZ6550)
190 io->set_iomap_single_rw(0xcd, memory);
192 for(int i = 0x100; i < 0x110; i += 2) {
193 io->set_iomap_alias_rw(i, gdc, (i >> 1) & 1);
195 io->set_iomap_range_rw(0x110, 0x17f, display);
196 io->set_iomap_range_rw(0x200, 0x20f, sio);
197 io->set_iomap_range_rw(0x210, 0x21f, ctc0);
198 io->set_iomap_range_rw(0x220, 0x22f, rtc);
199 for(int i = 0x230; i < 0x240; i++) {
200 io->set_iomap_alias_rw(i, psg, ~i & 1);
202 io->set_iomap_range_r(0x240, 0x25f, sysport);
203 io->set_iomap_range_w(0x260, 0x26f, sysport);
204 io->set_iomap_range_r(0x270, 0x27f, sysport);
206 // initialize all devices
207 for(DEVICE* device = first_device; device; device = device->next_device) {
208 device->initialize();
210 for(int i = 0; i < 4; i++) {
211 #if defined(_MZ6500) || defined(_MZ6550)
212 fdc->set_drive_type(i, DRIVE_TYPE_2HD);
214 fdc->set_drive_type(i, DRIVE_TYPE_2D);
221 // delete all devices
222 for(DEVICE* device = first_device; device;) {
223 DEVICE *next_device = device->next_device;
226 device = next_device;
230 DEVICE* VM::get_device(int id)
232 for(DEVICE* device = first_device; device; device = device->next_device) {
233 if(device->this_device_id == id) {
240 // ----------------------------------------------------------------------------
241 // drive virtual machine
242 // ----------------------------------------------------------------------------
247 for(DEVICE* device = first_device; device; device = device->next_device) {
250 not_busy->write_signal(SIG_NOT_INPUT, 0, 0); // busy = low
251 pio->write_signal(SIG_I8255_PORT_B, 0x03, 0x07); // busy = ~(low), pe = ~(low), pdtr = ~(high)
252 pio->write_signal(SIG_I8255_PORT_C, 0x40, 0x40); // ack = high
255 void VM::special_reset()
258 cpu->write_signal(SIG_CPU_NMI, 1, 1);
259 sysport->nmi_reset();
267 double VM::get_frame_rate()
269 return event->get_frame_rate();
272 // ----------------------------------------------------------------------------
274 // ----------------------------------------------------------------------------
277 DEVICE *VM::get_cpu(int index)
286 // ----------------------------------------------------------------------------
288 // ----------------------------------------------------------------------------
290 void VM::draw_screen()
292 display->draw_screen();
295 int VM::get_access_lamp_status()
297 uint32 status = fdc->read_signal(0);
298 return (status & (1 | 4)) ? 1 : (status & (2 | 8)) ? 2 : 0;
301 // ----------------------------------------------------------------------------
303 // ----------------------------------------------------------------------------
305 void VM::initialize_sound(int rate, int samples)
307 // init sound manager
308 event->initialize_sound(rate, samples);
311 psg->initialize_sound(rate, 4000000, samples, 0, 0);
314 uint16* VM::create_sound(int* extra_frames)
316 return event->create_sound(extra_frames);
319 int VM::get_sound_buffer_ptr()
321 return event->get_sound_buffer_ptr();
324 #ifdef USE_SOUND_VOLUME
325 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
328 psg->set_volume(1, 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 // ----------------------------------------------------------------------------
349 // ----------------------------------------------------------------------------
351 void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
353 fdc->open_disk(drv, file_path, bank);
356 void VM::close_floppy_disk(int drv)
358 fdc->close_disk(drv);
361 bool VM::is_floppy_disk_inserted(int drv)
363 return fdc->is_disk_inserted(drv);
366 void VM::is_floppy_disk_protected(int drv, bool value)
368 fdc->is_disk_protected(drv, value);
371 bool VM::is_floppy_disk_protected(int drv)
373 return fdc->is_disk_protected(drv);
376 bool VM::is_frame_skippable()
378 return event->is_frame_skippable();
381 void VM::update_config()
383 for(DEVICE* device = first_device; device; device = device->next_device) {
384 device->update_config();
388 #define STATE_VERSION 2
390 void VM::save_state(FILEIO* state_fio)
392 state_fio->FputUint32(STATE_VERSION);
394 for(DEVICE* device = first_device; device; device = device->next_device) {
395 device->save_state(state_fio);
399 bool VM::load_state(FILEIO* state_fio)
401 if(state_fio->FgetUint32() != STATE_VERSION) {
404 for(DEVICE* device = first_device; device; device = device->next_device) {
405 if(!device->load_state(state_fio)) {