-/*\r
- EPSON QC-10 Emulator 'eQC-10'\r
-\r
- Author : Takeda.Toshiya\r
- Date : 2008.02.13 -\r
-\r
- [ virtual machine ]\r
-*/\r
-\r
-#include "qc10.h"\r
-#include "../../emu.h"\r
-#include "../device.h"\r
-#include "../event.h"\r
-\r
-#include "../disk.h"\r
-#include "../hd146818p.h"\r
-#include "../i8237.h"\r
-#include "../i8253.h"\r
-#include "../i8255.h"\r
-#include "../i8259.h"\r
-#include "../io.h"\r
-#include "../pcm1bit.h"\r
-#include "../upd7220.h"\r
-#include "../upd765a.h"\r
-#include "../z80.h"\r
-#include "../z80sio.h"\r
-\r
-#ifdef USE_DEBUGGER\r
-#include "../debugger.h"\r
-#endif\r
-\r
-#include "display.h"\r
-#include "floppy.h"\r
-#include "keyboard.h"\r
-#include "memory.h"\r
-#include "mfont.h"\r
-\r
-#include "../../fileio.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
- rtc = new HD146818P(this, emu);\r
- dma0 = new I8237(this, emu);\r
- dma1 = new I8237(this, emu);\r
- pit0 = new I8253(this, emu);\r
- pit1 = new I8253(this, emu);\r
- pio = new I8255(this, emu);\r
- pic = new I8259(this, emu);\r
- io = new IO(this, emu);\r
- pcm = new PCM1BIT(this, emu);\r
- gdc = new UPD7220(this, emu);\r
- fdc = new UPD765A(this, emu);\r
- cpu = new Z80(this, emu);\r
- sio = new Z80SIO(this, emu); // uPD7201\r
- \r
- display = new DISPLAY(this, emu);\r
- floppy = new FLOPPY(this, emu);\r
- keyboard = new KEYBOARD(this, emu);\r
- memory = new MEMORY(this, emu);\r
- mfont = new MFONT(this, emu);\r
- \r
- // set contexts\r
- event->set_context_cpu(cpu);\r
- event->set_context_sound(pcm);\r
- \r
- rtc->set_context_intr(pic, SIG_I8259_IR2 | SIG_I8259_CHIP1, 1);\r
- dma0->set_context_memory(memory);\r
- dma0->set_context_ch0(fdc);\r
- dma0->set_context_ch1(gdc);\r
-#ifdef SINGLE_MODE_DMA\r
- dma0->set_context_child_dma(dma1);\r
-#endif\r
- dma1->set_context_memory(memory);\r
- pit0->set_context_ch0(memory, SIG_MEMORY_PCM, 1);\r
- pit0->set_context_ch1(pic, SIG_I8259_IR5 | SIG_I8259_CHIP1, 1);\r
- pit0->set_context_ch2(pic, SIG_I8259_IR1 | SIG_I8259_CHIP0, 1);\r
- pit0->set_constant_clock(2, CPU_CLOCKS >> 1); // 1.9968MHz\r
- pit1->set_context_ch0(pcm, SIG_PCM1BIT_SIGNAL, 1);\r
- pit1->set_context_ch1(pit0, SIG_I8253_CLOCK_0, 1);\r
- pit1->set_context_ch1(pit0, SIG_I8253_CLOCK_1, 1);\r
- pit1->set_context_ch1(sio, SIG_Z80SIO_TX_CLK_CH0, 1);\r
- pit1->set_context_ch1(sio, SIG_Z80SIO_RX_CLK_CH0, 1);\r
- pit1->set_context_ch2(sio, SIG_Z80SIO_TX_CLK_CH1, 1);\r
- pit1->set_context_ch2(sio, SIG_Z80SIO_RX_CLK_CH1, 1);\r
- pit1->set_constant_clock(0, CPU_CLOCKS >> 1); // 1.9968MHz\r
- pit1->set_constant_clock(1, CPU_CLOCKS >> 1); // 1.9968MHz\r
- pit1->set_constant_clock(2, CPU_CLOCKS >> 1); // 1.9968MHz\r
- pio->set_context_port_c(pic, SIG_I8259_IR0 | SIG_I8259_CHIP1, 8, 0);\r
- pic->set_context_cpu(cpu);\r
- gdc->set_context_drq(dma0, SIG_I8237_CH1, 1);\r
- gdc->set_vram_ptr(display->get_vram(), VRAM_SIZE);\r
- // IR5 of I8259 #0 is from light pen\r
- fdc->set_context_irq(pic, SIG_I8259_IR6 | SIG_I8259_CHIP0, 1);\r
- fdc->set_context_irq(memory, SIG_MEMORY_FDC_IRQ, 1);\r
- fdc->set_context_drq(dma0, SIG_I8237_CH0, 1);\r
- sio->set_context_intr(pic, SIG_I8259_IR4 | SIG_I8259_CHIP0);\r
- sio->set_context_send(0, keyboard, SIG_KEYBOARD_RECV);\r
-// sio->set_tx_clock(0, 1200 * 16); // 1200 baud for keyboard\r
-// sio->set_rx_clock(0, 1200 * 16); // clock is from 8253 ch1 (1.9968MHz/104)\r
-// sio->set_tx_clock(1, 9600 * 16); // 9600 baud for RS-232C\r
-// sio->set_rx_clock(1, 9600 * 16); // clock is from 8253 ch2 (1.9968MHz/13)\r
- \r
- display->set_context_gdc(gdc);\r
- display->set_sync_ptr(gdc->get_sync());\r
- display->set_zoom_ptr(gdc->get_zoom());\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
- floppy->set_context_fdc(fdc);\r
- floppy->set_context_mem(memory);\r
- keyboard->set_context_sio(sio);\r
- memory->set_context_pit(pit0);\r
- memory->set_context_pcm(pcm);\r
- memory->set_context_fdc(fdc);\r
- mfont->set_context_pic(pic);\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(dma0);\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, 0x03, pit0);\r
- io->set_iomap_range_rw(0x04, 0x07, pit1);\r
- io->set_iomap_alias_rw(0x08, pic, I8259_ADDR_CHIP0 | 0);\r
- io->set_iomap_alias_rw(0x09, pic, I8259_ADDR_CHIP0 | 1);\r
- io->set_iomap_alias_rw(0x0c, pic, I8259_ADDR_CHIP1 | 0);\r
- io->set_iomap_alias_rw(0x0d, pic, I8259_ADDR_CHIP1 | 1);\r
- io->set_iomap_alias_rw(0x10, sio, 0);\r
- io->set_iomap_alias_rw(0x11, sio, 2);\r
- io->set_iomap_alias_rw(0x12, sio, 1);\r
- io->set_iomap_alias_rw(0x13, sio, 3);\r
- io->set_iomap_range_rw(0x14, 0x17, pio);\r
- io->set_iomap_range_rw(0x18, 0x1b, memory);\r
- io->set_iomap_range_w(0x1c, 0x23, memory);\r
- io->set_iomap_range_rw(0x2c, 0x2d, display);\r
- io->set_iomap_range_r(0x30, 0x33, memory);\r
- io->set_iomap_range_w(0x30, 0x33, floppy);\r
- io->set_iomap_range_rw(0x34, 0x35, fdc);\r
- io->set_iomap_range_rw(0x38, 0x3b, gdc);\r
- io->set_iomap_range_rw(0x3c, 0x3d, rtc);\r
- io->set_iomap_range_rw(0x40, 0x4f, dma0);\r
- io->set_iomap_range_rw(0x50, 0x5f, dma1);\r
- io->set_iomap_range_rw(0xfc, 0xfd, mfont);\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
- pcm->init(rate, 4000);\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
-#define STATE_VERSION 1\r
-\r
-void VM::save_state(FILEIO* state_fio)\r
-{\r
- state_fio->FputUint32(STATE_VERSION);\r
- \r
- for(DEVICE* device = first_device; device; device = device->next_device) {\r
- device->save_state(state_fio);\r
- }\r
-}\r
-\r
-bool VM::load_state(FILEIO* state_fio)\r
-{\r
- if(state_fio->FgetUint32() != STATE_VERSION) {\r
- return false;\r
- }\r
- for(DEVICE* device = first_device; device; device = device->next_device) {\r
- if(!device->load_state(state_fio)) {\r
- return false;\r
- }\r
- }\r
- return true;\r
-}\r
-\r
+/*
+ EPSON QC-10 Emulator 'eQC-10'
+
+ Author : Takeda.Toshiya
+ Date : 2008.02.13 -
+
+ [ virtual machine ]
+*/
+
+#include "qc10.h"
+#include "../../emu.h"
+#include "../device.h"
+#include "../event.h"
+
+#include "../disk.h"
+#include "../hd146818p.h"
+#include "../i8237.h"
+#include "../i8253.h"
+#include "../i8255.h"
+#include "../i8259.h"
+#include "../io.h"
+#include "../pcm1bit.h"
+#include "../upd7220.h"
+#include "../upd765a.h"
+#include "../z80.h"
+#include "../z80sio.h"
+
+#ifdef USE_DEBUGGER
+#include "../debugger.h"
+#endif
+
+#include "display.h"
+#include "floppy.h"
+#include "keyboard.h"
+#include "memory.h"
+#include "mfont.h"
+
+// ----------------------------------------------------------------------------
+// initialize
+// ----------------------------------------------------------------------------
+
+VM::VM(EMU* parent_emu) : emu(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
+
+ rtc = new HD146818P(this, emu);
+ dma0 = new I8237(this, emu);
+ dma1 = new I8237(this, emu);
+ pit0 = new I8253(this, emu);
+ pit1 = new I8253(this, emu);
+ pio = new I8255(this, emu);
+ pic = new I8259(this, emu);
+ io = new IO(this, emu);
+ pcm = new PCM1BIT(this, emu);
+ gdc = new UPD7220(this, emu);
+ fdc = new UPD765A(this, emu);
+ cpu = new Z80(this, emu);
+ sio = new Z80SIO(this, emu); // uPD7201
+
+ display = new DISPLAY(this, emu);
+ floppy = new FLOPPY(this, emu);
+ keyboard = new KEYBOARD(this, emu);
+ memory = new MEMORY(this, emu);
+ mfont = new MFONT(this, emu);
+
+ // set contexts
+ event->set_context_cpu(cpu);
+ event->set_context_sound(pcm);
+
+ rtc->set_context_intr(pic, SIG_I8259_IR2 | SIG_I8259_CHIP1, 1);
+ dma0->set_context_memory(memory);
+ dma0->set_context_ch0(fdc);
+ dma0->set_context_ch1(gdc);
+#ifdef SINGLE_MODE_DMA
+ dma0->set_context_child_dma(dma1);
+#endif
+ dma1->set_context_memory(memory);
+ pit0->set_context_ch0(memory, SIG_MEMORY_PCM, 1);
+ pit0->set_context_ch1(pic, SIG_I8259_IR5 | SIG_I8259_CHIP1, 1);
+ pit0->set_context_ch2(pic, SIG_I8259_IR1 | SIG_I8259_CHIP0, 1);
+ pit0->set_constant_clock(2, CPU_CLOCKS >> 1); // 1.9968MHz
+ pit1->set_context_ch0(pcm, SIG_PCM1BIT_SIGNAL, 1);
+ pit1->set_context_ch1(pit0, SIG_I8253_CLOCK_0, 1);
+ pit1->set_context_ch1(pit0, SIG_I8253_CLOCK_1, 1);
+ pit1->set_context_ch1(sio, SIG_Z80SIO_TX_CLK_CH0, 1);
+ pit1->set_context_ch1(sio, SIG_Z80SIO_RX_CLK_CH0, 1);
+ pit1->set_context_ch2(sio, SIG_Z80SIO_TX_CLK_CH1, 1);
+ pit1->set_context_ch2(sio, SIG_Z80SIO_RX_CLK_CH1, 1);
+ pit1->set_constant_clock(0, CPU_CLOCKS >> 1); // 1.9968MHz
+ pit1->set_constant_clock(1, CPU_CLOCKS >> 1); // 1.9968MHz
+ pit1->set_constant_clock(2, CPU_CLOCKS >> 1); // 1.9968MHz
+ pio->set_context_port_c(pic, SIG_I8259_IR0 | SIG_I8259_CHIP1, 8, 0);
+ pic->set_context_cpu(cpu);
+ gdc->set_context_drq(dma0, SIG_I8237_CH1, 1);
+ gdc->set_vram_ptr(display->get_vram(), VRAM_SIZE);
+ // IR5 of I8259 #0 is from light pen
+ fdc->set_context_irq(pic, SIG_I8259_IR6 | SIG_I8259_CHIP0, 1);
+ fdc->set_context_irq(memory, SIG_MEMORY_FDC_IRQ, 1);
+ fdc->set_context_drq(dma0, SIG_I8237_CH0, 1);
+ sio->set_context_intr(pic, SIG_I8259_IR4 | SIG_I8259_CHIP0);
+ sio->set_context_send(0, keyboard, SIG_KEYBOARD_RECV);
+// sio->set_tx_clock(0, 1200 * 16); // 1200 baud for keyboard
+// sio->set_rx_clock(0, 1200 * 16); // clock is from 8253 ch1 (1.9968MHz/104)
+// sio->set_tx_clock(1, 9600 * 16); // 9600 baud for RS-232C
+// sio->set_rx_clock(1, 9600 * 16); // clock is from 8253 ch2 (1.9968MHz/13)
+
+ display->set_context_gdc(gdc);
+ display->set_sync_ptr(gdc->get_sync());
+ display->set_zoom_ptr(gdc->get_zoom());
+ display->set_ra_ptr(gdc->get_ra());
+ display->set_cs_ptr(gdc->get_cs());
+ display->set_ead_ptr(gdc->get_ead());
+ floppy->set_context_fdc(fdc);
+ floppy->set_context_mem(memory);
+ keyboard->set_context_sio(sio);
+ memory->set_context_pit(pit0);
+ memory->set_context_pcm(pcm);
+ memory->set_context_fdc(fdc);
+ mfont->set_context_pic(pic);
+
+ // 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(dma0);
+#endif
+#ifdef USE_DEBUGGER
+ cpu->set_context_debugger(new DEBUGGER(this, emu));
+#endif
+
+ // i/o bus
+ io->set_iomap_range_rw(0x00, 0x03, pit0);
+ io->set_iomap_range_rw(0x04, 0x07, pit1);
+ io->set_iomap_alias_rw(0x08, pic, I8259_ADDR_CHIP0 | 0);
+ io->set_iomap_alias_rw(0x09, pic, I8259_ADDR_CHIP0 | 1);
+ io->set_iomap_alias_rw(0x0c, pic, I8259_ADDR_CHIP1 | 0);
+ io->set_iomap_alias_rw(0x0d, pic, I8259_ADDR_CHIP1 | 1);
+ io->set_iomap_alias_rw(0x10, sio, 0);
+ io->set_iomap_alias_rw(0x11, sio, 2);
+ io->set_iomap_alias_rw(0x12, sio, 1);
+ io->set_iomap_alias_rw(0x13, sio, 3);
+ io->set_iomap_range_rw(0x14, 0x17, pio);
+ io->set_iomap_range_rw(0x18, 0x1b, memory);
+ io->set_iomap_range_w(0x1c, 0x23, memory);
+ io->set_iomap_range_rw(0x2c, 0x2d, display);
+ io->set_iomap_range_r(0x30, 0x33, memory);
+ io->set_iomap_range_w(0x30, 0x33, floppy);
+ io->set_iomap_range_rw(0x34, 0x35, fdc);
+ io->set_iomap_range_rw(0x38, 0x3b, gdc);
+ io->set_iomap_range_rw(0x3c, 0x3d, rtc);
+ io->set_iomap_range_rw(0x40, 0x4f, dma0);
+ io->set_iomap_range_rw(0x50, 0x5f, dma1);
+ io->set_iomap_range_rw(0xfc, 0xfd, mfont);
+
+ // initialize all devices
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ device->initialize();
+ }
+ 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::frame_rate()
+{
+ return event->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();
+}
+
+int VM::access_lamp()
+{
+ uint32 status = fdc->read_signal(0);
+ return (status & (1 | 4)) ? 1 : (status & (2 | 8)) ? 2 : 0;
+}
+
+// ----------------------------------------------------------------------------
+// soud manager
+// ----------------------------------------------------------------------------
+
+void VM::initialize_sound(int rate, int samples)
+{
+ // init sound manager
+ event->initialize_sound(rate, samples);
+
+ // init sound gen
+ pcm->init(rate, 4000);
+}
+
+uint16* VM::create_sound(int* extra_frames)
+{
+ return event->create_sound(extra_frames);
+}
+
+int VM::sound_buffer_ptr()
+{
+ return event->sound_buffer_ptr();
+}
+
+#ifdef USE_SOUND_VOLUME
+void VM::set_sound_device_volume(int ch, int decibel_l, int decibel_r)
+{
+ if(ch == 0) {
+ pcm->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);
+}
+
+// ----------------------------------------------------------------------------
+// user interface
+// ----------------------------------------------------------------------------
+
+void VM::open_disk(int drv, const _TCHAR* file_path, int bank)
+{
+ fdc->open_disk(drv, file_path, bank);
+}
+
+void VM::close_disk(int drv)
+{
+ fdc->close_disk(drv);
+}
+
+bool VM::disk_inserted(int drv)
+{
+ return fdc->disk_inserted(drv);
+}
+
+void VM::set_disk_protected(int drv, bool value)
+{
+ fdc->set_disk_protected(drv, value);
+}
+
+bool VM::get_disk_protected(int drv)
+{
+ return fdc->get_disk_protected(drv);
+}
+
+bool VM::now_skip()
+{
+ return event->now_skip();
+}
+
+void VM::update_config()
+{
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ device->update_config();
+ }
+}
+
+#define STATE_VERSION 1
+
+void VM::save_state(FILEIO* state_fio)
+{
+ state_fio->FputUint32(STATE_VERSION);
+
+ 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;
+ }
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ if(!device->load_state(state_fio)) {
+ return false;
+ }
+ }
+ return true;
+}
+
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