2 FUJITSU FMR-30 Emulator 'eFMR-30'
4 Author : Takeda.Toshiya
11 #include "../../emu.h"
12 #include "../device.h"
21 #include "../mb8877.h"
22 #include "../sn76489an.h"
25 #include "../debugger.h"
28 #include "../fmr50/bios.h"
39 // ----------------------------------------------------------------------------
41 // ----------------------------------------------------------------------------
43 VM::VM(EMU* parent_emu) : emu(parent_emu)
46 first_device = last_device = NULL;
47 dummy = new DEVICE(this, emu); // must be 1st device
48 event = new EVENT(this, emu); // must be 2nd device
50 dma = new I8237(this, emu);
51 sio_kb = new I8251(this, emu); // keyboard
52 sio_sub = new I8251(this, emu); // sub display
53 sio_ch1 = new I8251(this, emu); // RS-232C ch.1
54 sio_ch2 = new I8251(this, emu); // RS-232C ch.2
55 pit = new I8253(this, emu);
56 pic = new I8259(this, emu);
57 cpu = new I286(this, emu);
58 io = new IO(this, emu);
59 fdc = new MB8877(this, emu);
60 psg = new SN76489AN(this, emu);
62 bios = new BIOS(this, emu);
63 cmos = new CMOS(this, emu);
64 floppy = new FLOPPY(this, emu);
65 keyboard = new KEYBOARD(this, emu);
66 memory = new MEMORY(this, emu);
67 rtc = new RTC(this, emu);
68 // scsi = new SCSI(this, emu);
69 serial = new SERIAL(this, emu);
70 system = new SYSTEM(this, emu);
71 timer = new TIMER(this, emu);
74 event->set_context_cpu(cpu);
75 event->set_context_sound(psg);
77 dma->set_context_memory(memory);
78 dma->set_context_ch0(fdc);
79 // dma->set_context_ch1(scsi);
80 sio_kb->set_context_rxrdy(serial, SIG_SERIAL_RXRDY_KB, 1);
81 sio_kb->set_context_txrdy(serial, SIG_SERIAL_TXRDY_KB, 1);
82 sio_sub->set_context_rxrdy(serial, SIG_SERIAL_RXRDY_SUB, 1);
83 sio_sub->set_context_txrdy(serial, SIG_SERIAL_TXRDY_SUB, 1);
84 sio_ch1->set_context_rxrdy(serial, SIG_SERIAL_RXRDY_CH1, 1);
85 sio_ch1->set_context_txrdy(serial, SIG_SERIAL_TXRDY_CH1, 1);
86 sio_ch2->set_context_rxrdy(serial, SIG_SERIAL_RXRDY_CH2, 1);
87 sio_ch2->set_context_txrdy(serial, SIG_SERIAL_TXRDY_CH2, 1);
88 pit->set_context_ch0(timer, SIG_TIMER_CH0, 1);
89 pit->set_context_ch1(timer, SIG_TIMER_CH1, 1);
90 pit->set_constant_clock(0, 1000000);
91 pit->set_constant_clock(1, 1000000);
92 pic->set_context_cpu(cpu);
93 // fdc->set_context_drq(dma, SIG_I8237_CH0, 1);
94 fdc->set_context_irq(floppy, SIG_FLOPPY_IRQ, 1);
96 bios->set_context_mem(memory);
97 bios->set_context_io(io);
98 bios->set_cmos_ptr(cmos->get_cmos());
99 bios->set_vram_ptr(memory->get_vram());
100 bios->set_cvram_ptr(memory->get_cvram());
101 bios->set_kvram_ptr(memory->get_kvram());
102 floppy->set_context_fdc(fdc);
103 floppy->set_context_pic(pic);
104 keyboard->set_context_sio(sio_kb);
105 memory->set_context_cpu(cpu);
106 memory->set_context_dma(dma);
107 rtc->set_context_pic(pic);
108 // scsi->set_context_dma(dma, SIG_I8237_CH1);
109 // scsi->set_context_pic(pic, SIG_I8259_CHIP1 | SIG_I8259_IR2);
110 serial->set_context_pic(pic);
111 serial->set_context_sio(sio_kb, sio_sub, sio_ch1, sio_ch2);
112 timer->set_context_pic(pic);
115 cpu->set_context_mem(memory);
116 cpu->set_context_io(io);
117 cpu->set_context_intr(pic);
118 cpu->set_context_bios(bios);
119 #ifdef SINGLE_MODE_DMA
120 cpu->set_context_dma(dma);
123 cpu->set_context_debugger(new DEBUGGER(this, emu));
127 io->set_iomap_range_rw(0x00, 0x07, rtc);
128 io->set_iomap_range_rw(0x08, 0x09, sio_kb);
129 io->set_iomap_range_rw(0x0a, 0x0b, serial);
130 io->set_iomap_range_rw(0x10, 0x11, sio_sub);
131 io->set_iomap_range_rw(0x12, 0x13, serial);
132 io->set_iomap_single_r(0x18, system);
133 io->set_iomap_range_rw(0x1d, 0x1e, memory);
134 io->set_iomap_range_r(0x20, 0x21, system);
135 io->set_iomap_single_rw(0x26, memory);
136 io->set_iomap_range_rw(0x30, 0x33, fdc);
137 io->set_iomap_range_rw(0x34, 0x36, floppy);
138 io->set_iomap_single_w(0x40, psg);
139 io->set_iomap_range_rw(0x42, 0x43, timer);
140 io->set_iomap_range_rw(0x46, 0x47, system);
141 io->set_iomap_range_rw(0x60, 0x61, sio_ch1);
142 io->set_iomap_range_rw(0x62, 0x66, serial);
143 io->set_iomap_range_rw(0x70, 0x71, sio_ch2);
144 io->set_iomap_range_rw(0x72, 0x76, serial);
145 io->set_iomap_alias_rw(0x100, pic, I8259_ADDR_CHIP0 | 0);
146 io->set_iomap_alias_rw(0x101, pic, I8259_ADDR_CHIP0 | 1);
147 io->set_iomap_alias_rw(0x108, pic, I8259_ADDR_CHIP1 | 0);
148 io->set_iomap_alias_rw(0x10a, pic, I8259_ADDR_CHIP1 | 1);
149 io->set_iomap_range_rw(0x110, 0x11f, dma);
150 io->set_iomap_range_w(0x120, 0x123, memory);
151 io->set_iomap_range_rw(0x130, 0x133, pit);
152 // io->set_iomap_range_rw(0x2f0, 0x2f3, scsi);
153 io->set_iomap_range_rw(0x300, 0x30f, memory);
154 io->set_iomap_range_rw(0xc000, 0xdfff, cmos);
155 io->set_iomap_single_rw(0xff00, system);
157 // initialize all devices
158 for(DEVICE* device = first_device; device; device = device->next_device) {
159 device->initialize();
161 for(int i = 0; i < MAX_DRIVE; i++) {
162 bios->set_disk_handler(i, fdc->get_disk_handler(i));
168 // delete all devices
169 for(DEVICE* device = first_device; device;) {
170 DEVICE *next_device = device->next_device;
173 device = next_device;
177 DEVICE* VM::get_device(int id)
179 for(DEVICE* device = first_device; device; device = device->next_device) {
180 if(device->this_device_id == id) {
187 // ----------------------------------------------------------------------------
188 // drive virtual machine
189 // ----------------------------------------------------------------------------
194 for(DEVICE* device = first_device; device; device = device->next_device) {
198 for(DEVICE* device = first_device; device; device = device->next_device) {
203 sio_kb->write_signal(SIG_I8251_DSR, 1, 1);
204 sio_sub->write_signal(SIG_I8251_DSR, 0, 0);
212 // ----------------------------------------------------------------------------
214 // ----------------------------------------------------------------------------
217 DEVICE *VM::get_cpu(int index)
226 // ----------------------------------------------------------------------------
228 // ----------------------------------------------------------------------------
230 void VM::draw_screen()
232 memory->draw_screen();
235 int VM::access_lamp()
237 uint32 status = fdc->read_signal(0) | bios->read_signal(0);
238 return (status & 0x10) ? 4 : (status & (1 | 4)) ? 1 : (status & (2 | 8)) ? 2 : 0;
241 // ----------------------------------------------------------------------------
243 // ----------------------------------------------------------------------------
245 void VM::initialize_sound(int rate, int samples)
247 // init sound manager
248 event->initialize_sound(rate, samples);
251 psg->init(rate, 125000, 10000);
254 uint16* VM::create_sound(int* extra_frames)
256 return event->create_sound(extra_frames);
259 int VM::sound_buffer_ptr()
261 return event->sound_buffer_ptr();
264 // ----------------------------------------------------------------------------
266 // ----------------------------------------------------------------------------
268 void VM::key_down(int code, bool repeat)
270 keyboard->key_down(code);
273 void VM::key_up(int code)
275 keyboard->key_up(code);
278 // ----------------------------------------------------------------------------
280 // ----------------------------------------------------------------------------
282 void VM::open_disk(int drv, _TCHAR* file_path, int bank)
284 fdc->open_disk(drv, file_path, bank);
285 floppy->change_disk(drv);
288 void VM::close_disk(int drv)
290 fdc->close_disk(drv);
293 bool VM::disk_inserted(int drv)
295 return fdc->disk_inserted(drv);
300 return event->now_skip();
303 void VM::update_config()
305 for(DEVICE* device = first_device; device; device = device->next_device) {
306 device->update_config();
310 #define STATE_VERSION 1
312 void VM::save_state(FILEIO* state_fio)
314 state_fio->FputUint32(STATE_VERSION);
316 for(DEVICE* device = first_device; device; device = device->next_device) {
317 device->save_state(state_fio);
321 bool VM::load_state(FILEIO* state_fio)
323 if(state_fio->FgetUint32() != STATE_VERSION) {
326 for(DEVICE* device = first_device; device; device = device->next_device) {
327 if(!device->load_state(state_fio)) {