2 SORD m5 Emulator 'Emu5'
4 Author : Takeda.Toshiya
11 #include "../../emu.h"
12 #include "../device.h"
15 #include "../datarec.h"
17 #include "../memory.h"
19 #include "../sn76489an.h"
20 #include "../tms9918a.h"
22 #include "../z80ctc.h"
25 #include "../debugger.h"
31 // ----------------------------------------------------------------------------
33 // ----------------------------------------------------------------------------
35 VM::VM(EMU* parent_emu) : emu(parent_emu)
38 first_device = last_device = NULL;
39 dummy = new DEVICE(this, emu); // must be 1st device
40 event = new EVENT(this, emu); // must be 2nd device
41 dummy->set_device_name(_T("1st Dummy"));
43 drec = new DATAREC(this, emu);
44 drec->set_context_noise_play(new NOISE(this, emu));
45 drec->set_context_noise_stop(new NOISE(this, emu));
46 drec->set_context_noise_fast(new NOISE(this, emu));
47 io = new IO(this, emu);
48 memory = new MEMORY(this, emu);
49 psg = new SN76489AN(this, emu);
50 vdp = new TMS9918A(this, emu);
51 cpu = new Z80(this, emu);
52 ctc = new Z80CTC(this, emu);
54 cmt = new CMT(this, emu);
55 key = new KEYBOARD(this, emu);
57 event->set_context_cpu(cpu);
58 event->set_context_sound(psg);
59 event->set_context_sound(drec);
60 event->set_context_sound(drec->get_context_noise_play());
61 event->set_context_sound(drec->get_context_noise_stop());
62 event->set_context_sound(drec->get_context_noise_fast());
64 drec->set_context_ear(cmt, SIG_CMT_IN, 1);
65 drec->set_context_end(cmt, SIG_CMT_EOT, 1);
66 vdp->set_context_irq(ctc, SIG_Z80CTC_TRIG_3, 1);
67 cmt->set_context_drec(drec);
70 cpu->set_context_mem(memory);
71 cpu->set_context_io(io);
72 cpu->set_context_intr(ctc);
74 cpu->set_context_debugger(new DEBUGGER(this, emu));
77 // z80 family daisy chain
78 ctc->set_context_intr(cpu, 0);
81 memset(ram, 0, sizeof(ram));
82 memset(ext, 0, sizeof(ext));
83 memset(ipl, 0xff, sizeof(ipl));
84 memset(cart, 0xff, sizeof(cart));
86 memory->read_bios(_T("IPL.ROM"), ipl, sizeof(ipl));
88 memory->set_memory_r(0x0000, 0x1fff, ipl);
89 memory->set_memory_r(0x2000, 0x6fff, cart);
90 memory->set_memory_rw(0x7000, 0x7fff, ram);
91 memory->set_memory_rw(0x8000, 0xffff, ext);
94 io->set_iomap_range_rw(0x00, 0x03, ctc);
95 io->set_iomap_range_rw(0x10, 0x11, vdp);
96 io->set_iomap_single_w(0x20, psg);
97 io->set_iomap_range_r(0x30, 0x37, key);
98 io->set_iomap_single_w(0x40, cmt);
99 io->set_iomap_single_rw(0x50, cmt);
101 // FD5 floppy drive uint
104 // subcpu->set_context_debugger(new DEBUGGER(this, emu));
107 // initialize all devices
108 for(DEVICE* device = first_device; device; device = device->next_device) {
109 device->initialize();
116 // delete all devices
117 for(DEVICE* device = first_device; device;) {
118 DEVICE *next_device = device->next_device;
121 device = next_device;
125 DEVICE* VM::get_device(int id)
127 for(DEVICE* device = first_device; device; device = device->next_device) {
128 if(device->this_device_id == id) {
135 // ----------------------------------------------------------------------------
136 // drive virtual machine
137 // ----------------------------------------------------------------------------
142 for(DEVICE* device = first_device; device; device = device->next_device) {
152 // ----------------------------------------------------------------------------
154 // ----------------------------------------------------------------------------
157 DEVICE *VM::get_cpu(int index)
161 } else if(index == 1) {
168 // ----------------------------------------------------------------------------
170 // ----------------------------------------------------------------------------
172 void VM::draw_screen()
177 // ----------------------------------------------------------------------------
179 // ----------------------------------------------------------------------------
181 void VM::initialize_sound(int rate, int samples)
183 // init sound manager
184 event->initialize_sound(rate, samples);
187 psg->initialize_sound(rate, 3579545, 8000);
190 uint16_t* VM::create_sound(int* extra_frames)
192 return event->create_sound(extra_frames);
195 int VM::get_sound_buffer_ptr()
197 return event->get_sound_buffer_ptr();
200 #ifdef USE_SOUND_VOLUME
201 void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
204 psg->set_volume(0, decibel_l, decibel_r);
206 drec->set_volume(0, decibel_l, decibel_r);
208 drec->get_context_noise_play()->set_volume(0, decibel_l, decibel_r);
209 drec->get_context_noise_stop()->set_volume(0, decibel_l, decibel_r);
210 drec->get_context_noise_fast()->set_volume(0, decibel_l, decibel_r);
215 // ----------------------------------------------------------------------------
217 // ----------------------------------------------------------------------------
219 void VM::open_cart(int drv, const _TCHAR* file_path)
222 memset(cart, 0xff, sizeof(cart));
223 inserted = memory->read_image(file_path, cart, sizeof(cart));
228 void VM::close_cart(int drv)
231 memset(cart, 0xff, sizeof(cart));
237 bool VM::is_cart_inserted(int drv)
246 void VM::play_tape(const _TCHAR* file_path)
248 drec->play_tape(file_path);
251 void VM::rec_tape(const _TCHAR* file_path)
253 drec->rec_tape(file_path);
256 void VM::close_tape()
263 bool VM::is_tape_inserted()
265 return drec->is_tape_inserted();
268 bool VM::is_tape_playing()
270 return drec->is_tape_playing();
273 bool VM::is_tape_recording()
275 return drec->is_tape_recording();
278 int VM::get_tape_position()
280 return drec->get_tape_position();
283 bool VM::is_frame_skippable()
285 return event->is_frame_skippable();
288 void VM::update_config()
290 for(DEVICE* device = first_device; device; device = device->next_device) {
291 device->update_config();
295 #define STATE_VERSION 2
297 void VM::save_state(FILEIO* state_fio)
299 state_fio->FputUint32(STATE_VERSION);
301 for(DEVICE* device = first_device; device; device = device->next_device) {
302 device->save_state(state_fio);
304 state_fio->Fwrite(ram, sizeof(ram), 1);
305 state_fio->Fwrite(ext, sizeof(ext), 1);
306 state_fio->FputBool(inserted);
309 bool VM::load_state(FILEIO* state_fio)
311 if(state_fio->FgetUint32() != STATE_VERSION) {
314 for(DEVICE* device = first_device; device; device = device->next_device) {
315 if(!device->load_state(state_fio)) {
319 state_fio->Fread(ram, sizeof(ram), 1);
320 state_fio->Fread(ext, sizeof(ext), 1);
321 inserted = state_fio->FgetBool();