-/*\r
- MITSUBISHI Electric MULTI8 Emulator 'EmuLTI8'\r
-\r
- Author : Takeda.Toshiya\r
- Date : 2006.09.15 -\r
-\r
- [ virtual machine ]\r
-*/\r
-\r
-#include "multi8.h"\r
-#include "../../emu.h"\r
-#include "../device.h"\r
-#include "../event.h"\r
-\r
-#include "../disk.h"\r
-#include "../hd46505.h"\r
-#include "../i8251.h"\r
-#include "../i8253.h"\r
-#include "../i8255.h"\r
-#include "../i8259.h"\r
-#include "../io.h"\r
-#include "../upd765a.h"\r
-#include "../ym2203.h"\r
-#include "../z80.h"\r
-\r
-#ifdef USE_DEBUGGER\r
-#include "../debugger.h"\r
-#endif\r
-\r
-#include "cmt.h"\r
-#include "display.h"\r
-#include "floppy.h"\r
-#include "kanji.h"\r
-#include "keyboard.h"\r
-#include "memory.h"\r
-\r
-// ----------------------------------------------------------------------------\r
-// initialize\r
-// ----------------------------------------------------------------------------\r
-\r
-VM::VM(EMU* parent_emu) : emu(parent_emu)\r
-{\r
- // create devices\r
- first_device = last_device = NULL;\r
- dummy = new DEVICE(this, emu); // must be 1st device\r
- event = new EVENT(this, emu); // must be 2nd device\r
- \r
- crtc = new HD46505(this, emu);\r
- sio = new I8251(this, emu);\r
- pit = new I8253(this, emu);\r
- pio = new I8255(this, emu);\r
- pic = new I8259(this, emu);\r
- io = new IO(this, emu);\r
- fdc = new UPD765A(this, emu);\r
- psg = new YM2203(this, emu);\r
- cpu = new Z80(this, emu);\r
- \r
- cmt = new CMT(this, emu);\r
- display = new DISPLAY(this, emu);\r
- floppy = new FLOPPY(this, emu);\r
- kanji = new KANJI(this, emu);\r
- key = new KEYBOARD(this, emu);\r
- memory = new MEMORY(this, emu);\r
- \r
- // set contexts\r
- event->set_context_cpu(cpu);\r
- event->set_context_sound(psg);\r
- \r
- crtc->set_context_vsync(pio, SIG_I8255_PORT_A, 0x20);\r
- sio->set_context_out(cmt, SIG_CMT_OUT);\r
- pit->set_context_ch1(pit, SIG_I8253_CLOCK_2, 1);\r
- pit->set_context_ch1(pic, SIG_I8259_CHIP0 | SIG_I8259_IR5, 1);\r
- pit->set_context_ch2(pic, SIG_I8259_CHIP0 | SIG_I8259_IR6, 1);\r
- pit->set_constant_clock(0, CPU_CLOCKS >> 1);\r
- pit->set_constant_clock(1, CPU_CLOCKS >> 1);\r
- pio->set_context_port_b(display, SIG_DISPLAY_I8255_B, 0xff, 0);\r
- pio->set_context_port_c(memory, SIG_MEMORY_I8255_C, 0xff, 0);\r
- pic->set_context_cpu(cpu);\r
- fdc->set_context_irq(pic, SIG_I8259_CHIP0 | SIG_I8259_IR0, 1);\r
- fdc->set_context_drq(floppy, SIG_FLOPPY_DRQ, 1);\r
- psg->set_context_port_a(cmt, SIG_CMT_REMOTE, 2, 0);\r
- psg->set_context_port_a(pio, SIG_I8255_PORT_A, 2, 1);\r
- \r
- cmt->set_context_sio(sio);\r
- display->set_vram_ptr(memory->get_vram());\r
- display->set_regs_ptr(crtc->get_regs());\r
- floppy->set_context_fdc(fdc);\r
- kanji->set_context_pio(pio);\r
- memory->set_context_pio(pio);\r
- \r
- // cpu bus\r
- cpu->set_context_mem(memory);\r
- cpu->set_context_io(io);\r
- cpu->set_context_intr(pic);\r
-#ifdef USE_DEBUGGER\r
- cpu->set_context_debugger(new DEBUGGER(this, emu));\r
-#endif\r
- \r
- // i/o bus\r
- io->set_iomap_range_rw(0x00, 0x01, key);\r
- io->set_iomap_range_rw(0x18, 0x19, psg);\r
- io->set_iomap_range_rw(0x1c, 0x1d, crtc);\r
- io->set_iomap_range_rw(0x20, 0x21, sio);\r
- io->set_iomap_range_rw(0x24, 0x27, pit);\r
- io->set_iomap_range_rw(0x28, 0x2b, pio);\r
- io->set_iomap_alias_rw(0x2c, pic, I8259_ADDR_CHIP0 | 0);\r
- io->set_iomap_alias_rw(0x2d, pic, I8259_ADDR_CHIP0 | 1);\r
- io->set_iomap_range_rw(0x30, 0x37, display);\r
- io->set_iomap_range_rw(0x40, 0x41, kanji);\r
- io->set_iomap_range_rw(0x70, 0x71, fdc);\r
- io->set_iomap_range_rw(0x72, 0x74, floppy);\r
- io->set_iomap_single_w(0x78, memory);\r
- \r
- // initialize all devices\r
- for(DEVICE* device = first_device; device; device = device->next_device) {\r
- device->initialize();\r
- }\r
- for(int i = 0; i < 4; i++) {\r
- fdc->set_drive_type(i, DRIVE_TYPE_2D);\r
- }\r
-}\r
-\r
-VM::~VM()\r
-{\r
- // delete all devices\r
- for(DEVICE* device = first_device; device;) {\r
- DEVICE *next_device = device->next_device;\r
- device->release();\r
- delete device;\r
- device = next_device;\r
- }\r
-}\r
-\r
-DEVICE* VM::get_device(int id)\r
-{\r
- for(DEVICE* device = first_device; device; device = device->next_device) {\r
- if(device->this_device_id == id) {\r
- return device;\r
- }\r
- }\r
- return NULL;\r
-}\r
-\r
-// ----------------------------------------------------------------------------\r
-// drive virtual machine\r
-// ----------------------------------------------------------------------------\r
-\r
-void VM::reset()\r
-{\r
- // reset all devices\r
- for(DEVICE* device = first_device; device; device = device->next_device) {\r
- device->reset();\r
- }\r
-}\r
-\r
-void VM::run()\r
-{\r
- event->drive();\r
-}\r
-\r
-double VM::frame_rate()\r
-{\r
- return event->frame_rate();\r
-}\r
-\r
-// ----------------------------------------------------------------------------\r
-// debugger\r
-// ----------------------------------------------------------------------------\r
-\r
-#ifdef USE_DEBUGGER\r
-DEVICE *VM::get_cpu(int index)\r
-{\r
- if(index == 0) {\r
- return cpu;\r
- }\r
- return NULL;\r
-}\r
-#endif\r
-\r
-// ----------------------------------------------------------------------------\r
-// draw screen\r
-// ----------------------------------------------------------------------------\r
-\r
-void VM::draw_screen()\r
-{\r
- display->draw_screen();\r
-}\r
-\r
-int VM::access_lamp()\r
-{\r
- uint32 status = fdc->read_signal(0);\r
- return (status & (1 | 4)) ? 1 : (status & (2 | 8)) ? 2 : 0;\r
-}\r
-\r
-// ----------------------------------------------------------------------------\r
-// soud manager\r
-// ----------------------------------------------------------------------------\r
-\r
-void VM::initialize_sound(int rate, int samples)\r
-{\r
- // init sound manager\r
- event->initialize_sound(rate, samples);\r
- \r
- // init sound gen\r
- psg->init(rate, 3579545, samples, 0, 0);\r
-}\r
-\r
-uint16* VM::create_sound(int* extra_frames)\r
-{\r
- return event->create_sound(extra_frames);\r
-}\r
-\r
-int VM::sound_buffer_ptr()\r
-{\r
- return event->sound_buffer_ptr();\r
-}\r
-\r
-// ----------------------------------------------------------------------------\r
-// user interface\r
-// ----------------------------------------------------------------------------\r
-\r
-void VM::open_disk(int drv, _TCHAR* file_path, int offset)\r
-{\r
- fdc->open_disk(drv, file_path, offset);\r
-}\r
-\r
-void VM::close_disk(int drv)\r
-{\r
- fdc->close_disk(drv);\r
-}\r
-\r
-bool VM::disk_inserted(int drv)\r
-{\r
- return fdc->disk_inserted(drv);\r
-}\r
-\r
-void VM::play_tape(_TCHAR* file_path)\r
-{\r
- cmt->play_tape(file_path);\r
-}\r
-\r
-void VM::rec_tape(_TCHAR* file_path)\r
-{\r
- cmt->rec_tape(file_path);\r
-}\r
-\r
-void VM::close_tape()\r
-{\r
- cmt->close_tape();\r
-}\r
-\r
-bool VM::tape_inserted()\r
-{\r
- return cmt->tape_inserted();\r
-}\r
-\r
-bool VM::now_skip()\r
-{\r
- return event->now_skip();\r
-}\r
-\r
-void VM::update_config()\r
-{\r
- for(DEVICE* device = first_device; device; device = device->next_device) {\r
- device->update_config();\r
- }\r
-}\r
-\r
+/*
+ MITSUBISHI Electric MULTI8 Emulator 'EmuLTI8'
+
+ Author : Takeda.Toshiya
+ Date : 2006.09.15 -
+
+ [ virtual machine ]
+*/
+
+#include "multi8.h"
+#include "../../emu.h"
+#include "../device.h"
+#include "../event.h"
+
+#include "../beep.h"
+#include "../disk.h"
+#include "../hd46505.h"
+#include "../i8251.h"
+#include "../i8253.h"
+#include "../i8255.h"
+#include "../i8259.h"
+#include "../io.h"
+#include "../noise.h"
+#include "../upd765a.h"
+//#include "../ym2203.h"
+#include "../ay_3_891x.h"
+#include "../z80.h"
+
+#ifdef USE_DEBUGGER
+#include "../debugger.h"
+#endif
+
+#include "cmt.h"
+#include "display.h"
+#include "floppy.h"
+#include "kanji.h"
+#include "keyboard.h"
+#include "memory.h"
+
+// ----------------------------------------------------------------------------
+// initialize
+// ----------------------------------------------------------------------------
+
+VM::VM(EMU* parent_emu) : VM_TEMPLATE(parent_emu)
+{
+ // create devices
+ first_device = last_device = NULL;
+ dummy = new DEVICE(this, emu); // must be 1st device
+ event = new EVENT(this, emu); // must be 2nd device
+ dummy->set_device_name(_T("1st Dummy"));
+
+ beep = new BEEP(this, emu);
+ crtc = new HD46505(this, emu);
+ sio = new I8251(this, emu);
+ pit = new I8253(this, emu);
+ pio = new I8255(this, emu);
+ pic = new I8259(this, emu);
+ io = new IO(this, emu);
+ fdc = new UPD765A(this, emu);
+ fdc->set_context_noise_seek(new NOISE(this, emu));
+ fdc->set_context_noise_head_down(new NOISE(this, emu));
+ fdc->set_context_noise_head_up(new NOISE(this, emu));
+// psg = new YM2203(this, emu);
+ psg = new AY_3_891X(this, emu);
+ cpu = new Z80(this, emu);
+
+ cmt = new CMT(this, emu);
+ display = new DISPLAY(this, emu);
+ floppy = new FLOPPY(this, emu);
+ kanji = new KANJI(this, emu);
+ key = new KEYBOARD(this, emu);
+ memory = new MEMORY(this, emu);
+
+ // set contexts
+ event->set_context_cpu(cpu);
+ event->set_context_sound(beep);
+ event->set_context_sound(psg);
+ event->set_context_sound(fdc->get_context_noise_seek());
+ event->set_context_sound(fdc->get_context_noise_head_down());
+ event->set_context_sound(fdc->get_context_noise_head_up());
+
+ crtc->set_context_vsync(pio, SIG_I8255_PORT_A, 0x20);
+ sio->set_context_out(cmt, SIG_CMT_OUT);
+ pit->set_context_ch1(pit, SIG_I8253_CLOCK_2, 1);
+ pit->set_context_ch1(pic, SIG_I8259_CHIP0 | SIG_I8259_IR5, 1);
+ pit->set_context_ch2(pic, SIG_I8259_CHIP0 | SIG_I8259_IR6, 1);
+ pit->set_constant_clock(0, CPU_CLOCKS >> 1);
+ pit->set_constant_clock(1, CPU_CLOCKS >> 1);
+ pio->set_context_port_b(display, SIG_DISPLAY_I8255_B, 0xff, 0);
+ pio->set_context_port_c(memory, SIG_MEMORY_I8255_C, 0xff, 0);
+ pic->set_context_cpu(cpu);
+ fdc->set_context_irq(pic, SIG_I8259_CHIP0 | SIG_I8259_IR0, 1);
+ fdc->set_context_drq(floppy, SIG_FLOPPY_DRQ, 1);
+ psg->set_context_port_a(cmt, SIG_CMT_REMOTE, 2, 0);
+ psg->set_context_port_a(pio, SIG_I8255_PORT_A, 2, 1);
+ psg->set_context_port_a(beep, SIG_BEEP_ON, 8, 1);
+
+ cmt->set_context_sio(sio);
+ display->set_vram_ptr(memory->get_vram());
+ display->set_regs_ptr(crtc->get_regs());
+ floppy->set_context_fdc(fdc);
+ kanji->set_context_pio(pio);
+ memory->set_context_pio(pio);
+
+ // cpu bus
+ cpu->set_context_mem(memory);
+ cpu->set_context_io(io);
+ cpu->set_context_intr(pic);
+#ifdef USE_DEBUGGER
+ cpu->set_context_debugger(new DEBUGGER(this, emu));
+#endif
+
+ // i/o bus
+ io->set_iomap_range_rw(0x00, 0x01, key);
+ io->set_iomap_range_rw(0x18, 0x19, psg);
+ io->set_iomap_range_rw(0x1c, 0x1d, crtc);
+ io->set_iomap_range_rw(0x20, 0x21, sio);
+ io->set_iomap_range_rw(0x24, 0x27, pit);
+ io->set_iomap_range_rw(0x28, 0x2b, pio);
+ io->set_iomap_alias_rw(0x2c, pic, I8259_ADDR_CHIP0 | 0);
+ io->set_iomap_alias_rw(0x2d, pic, I8259_ADDR_CHIP0 | 1);
+ io->set_iomap_range_rw(0x30, 0x37, display);
+ io->set_iomap_range_rw(0x40, 0x41, kanji);
+ io->set_iomap_range_rw(0x70, 0x71, fdc);
+ io->set_iomap_range_rw(0x72, 0x74, floppy);
+ io->set_iomap_single_w(0x78, memory);
+
+ // initialize all devices
+#if defined(__GIT_REPO_VERSION)
+ strncpy(_git_revision, __GIT_REPO_VERSION, sizeof(_git_revision) - 1);
+#endif
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ device->initialize();
+ }
+ decl_state();
+
+ for(int i = 0; i < 4; i++) {
+ fdc->set_drive_type(i, DRIVE_TYPE_2D);
+ }
+}
+
+VM::~VM()
+{
+ // delete all devices
+ for(DEVICE* device = first_device; device;) {
+ DEVICE *next_device = device->next_device;
+ device->release();
+ delete device;
+ device = next_device;
+ }
+}
+
+DEVICE* VM::get_device(int id)
+{
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ if(device->this_device_id == id) {
+ return device;
+ }
+ }
+ return NULL;
+}
+
+// ----------------------------------------------------------------------------
+// drive virtual machine
+// ----------------------------------------------------------------------------
+
+void VM::reset()
+{
+ // reset all devices
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ device->reset();
+ }
+}
+
+void VM::run()
+{
+ event->drive();
+}
+
+double VM::get_frame_rate()
+{
+ return event->get_frame_rate();
+}
+
+// ----------------------------------------------------------------------------
+// debugger
+// ----------------------------------------------------------------------------
+
+#ifdef USE_DEBUGGER
+DEVICE *VM::get_cpu(int index)
+{
+ if(index == 0) {
+ return cpu;
+ }
+ return NULL;
+}
+#endif
+
+// ----------------------------------------------------------------------------
+// draw screen
+// ----------------------------------------------------------------------------
+
+void VM::draw_screen()
+{
+ display->draw_screen();
+}
+
+// ----------------------------------------------------------------------------
+// soud manager
+// ----------------------------------------------------------------------------
+
+void VM::initialize_sound(int rate, int samples)
+{
+ // init sound manager
+ event->initialize_sound(rate, samples);
+
+ // init sound gen
+ beep->initialize_sound(rate, 2400, 8000);
+ psg->initialize_sound(rate, 3579545, samples, 0, 0);
+}
+
+uint16_t* VM::create_sound(int* extra_frames)
+{
+ return event->create_sound(extra_frames);
+}
+
+int VM::get_sound_buffer_ptr()
+{
+ return event->get_sound_buffer_ptr();
+}
+
+#ifdef USE_SOUND_VOLUME
+void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
+{
+ if(ch == 0) {
+ psg->set_volume(1, decibel_l, decibel_r);
+ } else if(ch == 1) {
+ beep->set_volume(0, decibel_l, decibel_r);
+ } else if(ch == 2) {
+ fdc->get_context_noise_seek()->set_volume(0, decibel_l, decibel_r);
+ fdc->get_context_noise_head_down()->set_volume(0, decibel_l, decibel_r);
+ fdc->get_context_noise_head_up()->set_volume(0, decibel_l, decibel_r);
+ }
+}
+#endif
+
+// ----------------------------------------------------------------------------
+// notify key
+// ----------------------------------------------------------------------------
+
+bool VM::get_caps_locked()
+{
+ return key->get_caps_locked();
+}
+
+bool VM::get_kana_locked()
+{
+ return key->get_kana_locked();
+}
+
+// ----------------------------------------------------------------------------
+// user interface
+// ----------------------------------------------------------------------------
+
+void VM::open_floppy_disk(int drv, const _TCHAR* file_path, int bank)
+{
+ fdc->open_disk(drv, file_path, bank);
+}
+
+void VM::close_floppy_disk(int drv)
+{
+ fdc->close_disk(drv);
+}
+
+bool VM::is_floppy_disk_inserted(int drv)
+{
+ return fdc->is_disk_inserted(drv);
+}
+
+void VM::is_floppy_disk_protected(int drv, bool value)
+{
+ fdc->is_disk_protected(drv, value);
+}
+
+bool VM::is_floppy_disk_protected(int drv)
+{
+ return fdc->is_disk_protected(drv);
+}
+
+uint32_t VM::is_floppy_disk_accessed()
+{
+ return fdc->read_signal(0);
+}
+
+void VM::play_tape(int drv, const _TCHAR* file_path)
+{
+ cmt->play_tape(file_path);
+}
+
+void VM::rec_tape(int drv, const _TCHAR* file_path)
+{
+ cmt->rec_tape(file_path);
+}
+
+void VM::close_tape(int drv)
+{
+ cmt->close_tape();
+}
+
+bool VM::is_tape_inserted(int drv)
+{
+ return cmt->is_tape_inserted();
+}
+
+bool VM::is_frame_skippable()
+{
+ return event->is_frame_skippable();
+}
+
+void VM::update_config()
+{
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ device->update_config();
+ }
+}
+
+#define STATE_VERSION 4
+
+#include "../../statesub.h"
+#include "../../qt/gui/csp_logger.h"
+extern CSP_Logger DLL_PREFIX_I *csp_logger;
+
+void VM::decl_state(void)
+{
+ state_entry = new csp_state_utils(STATE_VERSION, 0, (_TCHAR *)(_T("CSP::MULTI8_HEAD")), csp_logger);
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ device->decl_state();
+ }
+}
+
+void VM::save_state(FILEIO* state_fio)
+{
+ //state_fio->FputUint32(STATE_VERSION);
+
+ if(state_entry != NULL) {
+ state_entry->save_state(state_fio);
+ }
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ device->save_state(state_fio);
+ }
+}
+
+bool VM::load_state(FILEIO* state_fio)
+{
+ //if(state_fio->FgetUint32() != STATE_VERSION) {
+ // return false;
+ //}
+ bool mb = false;
+ if(state_entry != NULL) {
+ mb = state_entry->load_state(state_fio);
+ }
+ if(!mb) {
+ emu->out_debug_log("INFO: HEADER DATA ERROR");
+ return false;
+ }
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ if(!device->load_state(state_fio)) {
+ return false;
+ }
+ }
+ return true;
+}
+
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