-/*\r
- SHARP MZ-5500 Emulator 'EmuZ-5500'\r
-\r
- Author : Takeda.Toshiya\r
- Date : 2008.04.10 -\r
-\r
- [ virtual machine ]\r
-*/\r
-\r
-#include "mz5500.h"\r
-#include "../../emu.h"\r
-#include "../device.h"\r
-#include "../event.h"\r
-\r
-#include "../disk.h"\r
-#include "../i8237.h"\r
-#include "../i8255.h"\r
-#include "../i8259.h"\r
-#include "../i286.h"\r
-#include "../io.h"\r
-#include "../ls393.h"\r
-#include "../rp5c01.h"\r
-#include "../upd7220.h"\r
-#include "../upd765a.h"\r
-#include "../ym2203.h"\r
-#include "../z80ctc.h"\r
-#include "../z80sio.h"\r
-\r
-#ifdef USE_DEBUGGER\r
-#include "../debugger.h"\r
-#endif\r
-\r
-#include "display.h"\r
-#include "keyboard.h"\r
-#include "memory.h"\r
-#include "sysport.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
- dma = new I8237(this, emu);\r
- pio = new I8255(this, emu);\r
- pic = new I8259(this, emu);\r
- cpu = new I286(this, emu);\r
- io = new IO(this, emu);\r
- div = new LS393(this, emu);\r
- rtc = new RP5C01(this, emu);\r
- gdc = new UPD7220(this, emu);\r
- fdc = new UPD765A(this, emu);\r
- psg = new YM2203(this, emu); // AY-3-8912\r
- ctc0 = new Z80CTC(this, emu);\r
-#if defined(_MZ6500) || defined(_MZ6550)\r
- ctc1 = new Z80CTC(this, emu);\r
-#endif\r
- sio = new Z80SIO(this, emu);\r
- \r
- display = new DISPLAY(this, emu);\r
- keyboard = new KEYBOARD(this, emu);\r
- memory = new MEMORY(this, emu);\r
- sysport = new SYSPORT(this, emu);\r
- \r
- // set contexts\r
- event->set_context_cpu(cpu);\r
- event->set_context_sound(psg);\r
- \r
- dma->set_context_memory(memory);\r
- dma->set_context_ch1(fdc);\r
- pio->set_context_port_c(keyboard, SIG_KEYBOARD_INPUT, 3, 0);\r
- pic->set_context_cpu(cpu);\r
- div->set_context_2qb(ctc0, SIG_Z80CTC_TRIG_3, 1);\r
-#if defined(_MZ6500) || defined(_MZ6550)\r
- div->set_context_1qb(ctc1, SIG_Z80CTC_TRIG_0, 1);\r
- div->set_context_2qb(ctc1, SIG_Z80CTC_TRIG_1, 1);\r
- div->set_context_2qb(ctc1, SIG_Z80CTC_TRIG_2, 1);\r
- div->set_context_2qd(ctc1, SIG_Z80CTC_TRIG_3, 1);\r
-#endif\r
- rtc->set_context_alarm(pic, SIG_I8259_IR0 | SIG_I8259_CHIP1, 1);\r
- gdc->set_vram_ptr(memory->get_vram(), 0x80000);\r
- gdc->set_context_vsync(pic, SIG_I8259_IR0 | SIG_I8259_CHIP0, 1);\r
- fdc->set_context_irq(pic, SIG_I8259_IR1 | SIG_I8259_CHIP1, 1);\r
- fdc->set_context_drq(dma, SIG_I8237_CH1, 1);\r
- psg->set_context_port_a(pic, SIG_I8259_IR7 | SIG_I8259_CHIP0, 0x20, 0);\r
- psg->set_context_port_a(pic, SIG_I8259_IR7 | SIG_I8259_CHIP1, 0x40, 0);\r
- psg->set_context_port_a(memory, SIG_MEMORY_BANK, 0xe0, 0);\r
- ctc0->set_context_intr(pic, SIG_I8259_IR5 | SIG_I8259_CHIP0);\r
- ctc0->set_context_zc0(div, SIG_LS393_CLK, 1);\r
- ctc0->set_context_zc1(sio, SIG_Z80SIO_TX_CLK_CH0, 1);\r
- ctc0->set_context_zc1(sio, SIG_Z80SIO_RX_CLK_CH0, 1);\r
- ctc0->set_context_zc2(sio, SIG_Z80SIO_TX_CLK_CH1, 1);\r
- ctc0->set_context_zc2(sio, SIG_Z80SIO_RX_CLK_CH1, 1);\r
-#if defined(_MZ6500) || defined(_MZ6550)\r
- ctc0->set_context_child(ctc1);\r
- ctc1->set_context_intr(pic, SIG_I8259_IR5 | SIG_I8259_CHIP0);\r
-#endif\r
- sio->set_context_intr(pic, SIG_I8259_IR1 | SIG_I8259_CHIP0);\r
- \r
- display->set_vram_ptr(memory->get_vram());\r
- display->set_sync_ptr(gdc->get_sync());\r
- display->set_ra_ptr(gdc->get_ra());\r
- display->set_cs_ptr(gdc->get_cs());\r
- display->set_ead_ptr(gdc->get_ead());\r
- keyboard->set_context_pio(pio);\r
- keyboard->set_context_pic(pic);\r
- memory->set_context_cpu(cpu);\r
- sysport->set_context_fdc(fdc);\r
- sysport->set_context_ctc(ctc0);\r
- sysport->set_context_sio(sio);\r
- \r
- // cpu bus\r
- cpu->set_context_mem(memory);\r
- cpu->set_context_io(io);\r
- cpu->set_context_intr(pic);\r
-#ifdef SINGLE_MODE_DMA\r
- cpu->set_context_dma(dma);\r
-#endif\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, 0x0f, dma);\r
- io->set_iomap_range_rw(0x10, 0x1f, pio);\r
- io->set_iomap_range_rw(0x20, 0x2f, fdc);\r
- for(int i = 0x30; i < 0x40; i += 2) {\r
- io->set_iomap_alias_rw(i, pic, I8259_ADDR_CHIP0 | ((i >> 1) & 1));\r
- }\r
- for(int i = 0x40; i < 0x50; i += 2) {\r
- io->set_iomap_alias_rw(i, pic, I8259_ADDR_CHIP1 | ((i >> 1) & 1));\r
- }\r
- io->set_iomap_range_w(0x50, 0x5f, memory);\r
- io->set_iomap_range_r(0x60, 0x6f, sysport);\r
- io->set_iomap_range_w(0x70, 0x7f, sysport);\r
-#if defined(_MZ6500) || defined(_MZ6550)\r
- io->set_iomap_single_rw(0xcd, memory);\r
-#endif\r
- for(int i = 0x100; i < 0x110; i += 2) {\r
- io->set_iomap_alias_rw(i, gdc, (i >> 1) & 1);\r
- }\r
- io->set_iomap_range_rw(0x110, 0x17f, display);\r
- io->set_iomap_range_rw(0x200, 0x20f, sio);\r
- io->set_iomap_range_rw(0x210, 0x21f, ctc0);\r
- io->set_iomap_range_rw(0x220, 0x22f, rtc);\r
- for(int i = 0x230; i < 0x240; i++) {\r
- io->set_iomap_alias_rw(i, psg, ~i & 1);\r
- }\r
- io->set_iomap_range_r(0x240, 0x25f, sysport);\r
- io->set_iomap_range_w(0x260, 0x26f, sysport);\r
- io->set_iomap_range_r(0x270, 0x27f, sysport);\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
-#if defined(_MZ6500) || defined(_MZ6550)\r
- fdc->set_drive_type(i, DRIVE_TYPE_2HD);\r
-#else\r
- fdc->set_drive_type(i, DRIVE_TYPE_2D);\r
-#endif\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::special_reset()\r
-{\r
- // nmi\r
- cpu->write_signal(SIG_CPU_NMI, 1, 1);\r
- sysport->nmi_reset();\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, 4000000, 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
-// notify key\r
-// ----------------------------------------------------------------------------\r
-\r
-void VM::key_down(int code, bool repeat)\r
-{\r
- keyboard->key_down(code);\r
-}\r
-\r
-void VM::key_up(int code)\r
-{\r
-// keyboard->key_up(code);\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
-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
+/*
+ SHARP MZ-5500 Emulator 'EmuZ-5500'
+
+ Author : Takeda.Toshiya
+ Date : 2008.04.10 -
+
+ [ virtual machine ]
+*/
+
+#include "mz5500.h"
+#include "../../emu.h"
+#include "../device.h"
+#include "../event.h"
+
+#include "../disk.h"
+#include "../i8237.h"
+#include "../i8255.h"
+#include "../i8259.h"
+//#if defined(HAS_I286) || defined(HAS_I186)
+#include "../i286.h"
+//#else
+//#include "../i86.h"
+//#endif
+#include "../io.h"
+#include "../ls393.h"
+#include "../mz1p17.h"
+#include "../noise.h"
+#include "../not.h"
+#include "../prnfile.h"
+#include "../rp5c01.h"
+#include "../upd7220.h"
+#include "../upd765a.h"
+//#include "../ym2203.h"
+#include "../ay_3_891x.h"
+#include "../z80ctc.h"
+#include "../z80sio.h"
+
+#ifdef USE_DEBUGGER
+#include "../debugger.h"
+#endif
+
+#include "display.h"
+#include "keyboard.h"
+#include "./memory.h"
+#include "sysport.h"
+
+using MZ5500::DISPLAY;
+using MZ5500::KEYBOARD;
+using MZ5500::MEMORY;
+using MZ5500::SYSPORT;
+
+// ----------------------------------------------------------------------------
+// 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"));
+
+ if(config.printer_type == 0) {
+ printer = new PRNFILE(this, emu);
+ } else if(config.printer_type == 1) {
+ printer = new MZ1P17(this, emu);
+ } else {
+ printer = dummy;
+ }
+ dma = new I8237(this, emu);
+ pio = new I8255(this, emu);
+ pic = new I8259(this, emu);
+//#if defined(HAS_I286) || defined(HAS_I186)
+ cpu = new I286(this, emu);
+//#else
+// cpu = new I86(this, emu);
+//#endif
+ io = new IO(this, emu);
+ div = new LS393(this, emu);
+ not_data0 = new NOT(this, emu);
+ not_data0->set_device_name(_T("NOT Gate (Printer Bit0)"));
+ not_data1 = new NOT(this, emu);
+ not_data1->set_device_name(_T("NOT Gate (Printer Bit1)"));
+ not_data2 = new NOT(this, emu);
+ not_data2->set_device_name(_T("NOT Gate (Printer Bit2)"));
+ not_data3 = new NOT(this, emu);
+ not_data3->set_device_name(_T("NOT Gate (Printer Bit3)"));
+ not_data4 = new NOT(this, emu);
+ not_data4->set_device_name(_T("NOT Gate (Printer Bit4)"));
+ not_data5 = new NOT(this, emu);
+ not_data5->set_device_name(_T("NOT Gate (Printer Bit5)"));
+ not_data6 = new NOT(this, emu);
+ not_data6->set_device_name(_T("NOT Gate (Printer Bit6)"));
+ not_data7 = new NOT(this, emu);
+ not_data7->set_device_name(_T("NOT Gate (Printer Bit7)"));
+ not_busy = new NOT(this, emu);
+ not_busy->set_device_name(_T("NOT Gate (Printer Busy)"));
+ rtc = new RP5C01(this, emu);
+ gdc = new UPD7220(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); // AY-3-8912
+ ctc0 = new Z80CTC(this, emu);
+#if defined(_MZ6500) || defined(_MZ6550)
+ ctc1 = new Z80CTC(this, emu);
+#endif
+ sio = new Z80SIO(this, emu);
+
+ display = new DISPLAY(this, emu);
+ keyboard = new KEYBOARD(this, emu);
+ memory = new MEMORY(this, emu);
+ sysport = new SYSPORT(this, emu);
+
+ // set contexts
+ event->set_context_cpu(cpu);
+ 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());
+
+ if(config.printer_type == 0) {
+ PRNFILE *prnfile = (PRNFILE *)printer;
+ prnfile->set_context_busy(not_busy, SIG_NOT_INPUT, 1);
+ prnfile->set_context_ack(pio, SIG_I8255_PORT_C, 0x40);
+ } else if(config.printer_type == 1) {
+ MZ1P17 *mz1p17 = (MZ1P17 *)printer;
+ mz1p17->mode = MZ1P17_MODE_MZ1;
+ mz1p17->set_context_busy(not_busy, SIG_NOT_INPUT, 1);
+ mz1p17->set_context_ack(pio, SIG_I8255_PORT_C, 0x40);
+ }
+ dma->set_context_memory(memory);
+ dma->set_context_ch1(fdc);
+ pio->set_context_port_a(not_data0, SIG_NOT_INPUT, 0x01, 0);
+ pio->set_context_port_a(not_data1, SIG_NOT_INPUT, 0x02, 0);
+ pio->set_context_port_a(not_data2, SIG_NOT_INPUT, 0x04, 0);
+ pio->set_context_port_a(not_data3, SIG_NOT_INPUT, 0x08, 0);
+ pio->set_context_port_a(not_data4, SIG_NOT_INPUT, 0x10, 0);
+ pio->set_context_port_a(not_data5, SIG_NOT_INPUT, 0x20, 0);
+ pio->set_context_port_a(not_data6, SIG_NOT_INPUT, 0x40, 0);
+ pio->set_context_port_a(not_data7, SIG_NOT_INPUT, 0x80, 0);
+ pio->set_context_port_c(keyboard, SIG_KEYBOARD_INPUT, 0x03, 0);
+ pio->set_context_port_c(pic, SIG_I8259_IR2 | SIG_I8259_CHIP0, 0x08, 0);
+ pio->set_context_port_c(printer, SIG_PRINTER_STROBE, 0x20, 0);
+ pic->set_context_cpu(cpu);
+ div->set_context_2qb(ctc0, SIG_Z80CTC_TRIG_3, 1);
+#if defined(_MZ6500) || defined(_MZ6550)
+ div->set_context_1qb(ctc1, SIG_Z80CTC_TRIG_0, 1);
+ div->set_context_2qb(ctc1, SIG_Z80CTC_TRIG_1, 1);
+ div->set_context_2qb(ctc1, SIG_Z80CTC_TRIG_2, 1);
+ div->set_context_2qd(ctc1, SIG_Z80CTC_TRIG_3, 1);
+#endif
+ rtc->set_context_alarm(pic, SIG_I8259_IR0 | SIG_I8259_CHIP1, 1);
+ gdc->set_vram_ptr(memory->get_vram(), 0x80000);
+ gdc->set_context_vsync(pic, SIG_I8259_IR0 | SIG_I8259_CHIP0, 1);
+ fdc->set_context_irq(pic, SIG_I8259_IR1 | SIG_I8259_CHIP1, 1);
+ fdc->set_context_drq(dma, SIG_I8237_CH1, 1);
+ psg->set_context_port_a(pic, SIG_I8259_IR7 | SIG_I8259_CHIP0, 0x20, 0);
+ psg->set_context_port_a(pic, SIG_I8259_IR7 | SIG_I8259_CHIP1, 0x40, 0);
+ psg->set_context_port_a(memory, SIG_MEMORY_BANK, 0xe0, 0);
+ ctc0->set_context_intr(pic, SIG_I8259_IR5 | SIG_I8259_CHIP0);
+ ctc0->set_context_zc0(div, SIG_LS393_CLK, 1);
+ ctc0->set_context_zc1(sio, SIG_Z80SIO_TX_CLK_CH0, 1);
+ ctc0->set_context_zc1(sio, SIG_Z80SIO_RX_CLK_CH0, 1);
+ ctc0->set_context_zc2(sio, SIG_Z80SIO_TX_CLK_CH1, 1);
+ ctc0->set_context_zc2(sio, SIG_Z80SIO_RX_CLK_CH1, 1);
+#if defined(_MZ6500) || defined(_MZ6550)
+ ctc0->set_context_child(ctc1);
+ ctc1->set_context_intr(pic, SIG_I8259_IR5 | SIG_I8259_CHIP0);
+#endif
+ sio->set_context_intr(pic, SIG_I8259_IR1 | SIG_I8259_CHIP0);
+
+ not_data0->set_context_out(printer, SIG_PRINTER_DATA, 0x01);
+ not_data1->set_context_out(printer, SIG_PRINTER_DATA, 0x02);
+ not_data2->set_context_out(printer, SIG_PRINTER_DATA, 0x04);
+ not_data3->set_context_out(printer, SIG_PRINTER_DATA, 0x08);
+ not_data4->set_context_out(printer, SIG_PRINTER_DATA, 0x10);
+ not_data5->set_context_out(printer, SIG_PRINTER_DATA, 0x20);
+ not_data6->set_context_out(printer, SIG_PRINTER_DATA, 0x40);
+ not_data7->set_context_out(printer, SIG_PRINTER_DATA, 0x80);
+ not_busy->set_context_out(pio, SIG_I8255_PORT_B, 0x01);
+ display->set_vram_ptr(memory->get_vram());
+ display->set_sync_ptr(gdc->get_sync());
+ display->set_ra_ptr(gdc->get_ra());
+ display->set_cs_ptr(gdc->get_cs());
+ display->set_ead_ptr(gdc->get_ead());
+ keyboard->set_context_pio(pio);
+ keyboard->set_context_pic(pic);
+ memory->set_context_cpu(cpu);
+ sysport->set_context_fdc(fdc);
+ sysport->set_context_ctc(ctc0);
+ sysport->set_context_sio(sio);
+
+ // cpu bus
+ cpu->set_context_mem(memory);
+ cpu->set_context_io(io);
+ cpu->set_context_intr(pic);
+#ifdef SINGLE_MODE_DMA
+ cpu->set_context_dma(dma);
+#endif
+#ifdef USE_DEBUGGER
+ cpu->set_context_debugger(new DEBUGGER(this, emu));
+#endif
+
+ // i/o bus
+ io->set_iomap_range_rw(0x00, 0x0f, dma);
+ io->set_iomap_range_rw(0x10, 0x1f, pio);
+ io->set_iomap_range_rw(0x20, 0x2f, fdc);
+ for(int i = 0x30; i < 0x40; i += 2) {
+ io->set_iomap_alias_rw(i, pic, I8259_ADDR_CHIP0 | ((i >> 1) & 1));
+ }
+ for(int i = 0x40; i < 0x50; i += 2) {
+ io->set_iomap_alias_rw(i, pic, I8259_ADDR_CHIP1 | ((i >> 1) & 1));
+ }
+ io->set_iomap_range_w(0x50, 0x5f, memory);
+ io->set_iomap_range_r(0x60, 0x6f, sysport);
+ io->set_iomap_range_w(0x70, 0x7f, sysport);
+#if defined(_MZ6500) || defined(_MZ6550)
+ io->set_iomap_single_rw(0xcd, memory);
+#endif
+ for(int i = 0x100; i < 0x110; i += 2) {
+ io->set_iomap_alias_rw(i, gdc, (i >> 1) & 1);
+ }
+ io->set_iomap_range_rw(0x110, 0x17f, display);
+ io->set_iomap_range_rw(0x200, 0x20f, sio);
+ io->set_iomap_range_rw(0x210, 0x21f, ctc0);
+ io->set_iomap_range_rw(0x220, 0x22f, rtc);
+ for(int i = 0x230; i < 0x240; i++) {
+ io->set_iomap_alias_rw(i, psg, ~i & 1);
+ }
+ io->set_iomap_range_r(0x240, 0x25f, sysport);
+ io->set_iomap_range_w(0x260, 0x26f, sysport);
+ io->set_iomap_range_r(0x270, 0x27f, sysport);
+
+ // 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();
+ }
+ for(int i = 0; i < 4; i++) {
+#if defined(_MZ6500) || defined(_MZ6550)
+ fdc->set_drive_type(i, DRIVE_TYPE_2HD);
+#else
+ fdc->set_drive_type(i, DRIVE_TYPE_2D);
+#endif
+ }
+}
+
+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();
+ }
+ not_busy->write_signal(SIG_NOT_INPUT, 0, 0); // busy = low
+ pio->write_signal(SIG_I8255_PORT_B, 0x03, 0x07); // busy = ~(low), pe = ~(low), pdtr = ~(high)
+ pio->write_signal(SIG_I8255_PORT_C, 0x40, 0x40); // ack = high
+}
+
+void VM::special_reset()
+{
+ // nmi
+ cpu->write_signal(SIG_CPU_NMI, 1, 1);
+ sysport->nmi_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
+ psg->initialize_sound(rate, 4000000, 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) {
+ 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
+// ----------------------------------------------------------------------------
+
+void VM::key_down(int code, bool repeat)
+{
+ keyboard->key_down(code);
+}
+
+void VM::key_up(int code)
+{
+// keyboard->key_up(code);
+}
+
+bool VM::get_caps_locked()
+{
+ return keyboard->get_caps_locked();
+}
+
+bool VM::get_kana_locked()
+{
+ return keyboard->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);
+}
+
+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 5
+
+bool VM::process_state(FILEIO* state_fio, bool loading)
+{
+ if(!state_fio->StateCheckUint32(STATE_VERSION)) {
+ return false;
+ }
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ // Note: typeid(foo).name is fixed by recent ABI.Not dec 6.
+ // const char *name = typeid(*device).name();
+ // But, using get_device_name() instead of typeid(foo).name() 20181008 K.O
+ const char *name = device->get_device_name();
+ int len = strlen(name);
+
+ if(!state_fio->StateCheckInt32(len)) {
+ if(loading) {
+ printf("Class name len Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
+ }
+ return false;
+ }
+ if(!state_fio->StateCheckBuffer(name, len, 1)) {
+ if(loading) {
+ printf("Class name Error: DEVID=%d EXPECT=%s\n", device->this_device_id, name);
+ }
+ return false;
+ }
+ if(!device->process_state(state_fio, loading)) {
+ if(loading) {
+ printf("Data loading Error: DEVID=%d\n", device->this_device_id);
+ }
+ return false;
+ }
+ }
+ return true;
+}
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