-/*\r
- Japan Electronics College MYCOMZ-80A Emulator 'eMYCOMZ-80A'\r
-\r
- Author : Takeda.Toshiya\r
- Date : 2009.05.13-\r
-\r
- [ virtual machine ]\r
-*/\r
-\r
-#include "mycomz80a.h"\r
-#include "../../emu.h"\r
-#include "../device.h"\r
-#include "../event.h"\r
-\r
-#include "../datarec.h"\r
-#include "../hd46505.h"\r
-#include "../i8255.h"\r
-#include "../io.h"\r
-#include "../msm58321.h"\r
-#include "../sn76489an.h"\r
-#include "../z80.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
-\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
- drec = new DATAREC(this, emu);\r
- crtc = new HD46505(this, emu);\r
- pio1 = new I8255(this, emu);\r
- pio2 = new I8255(this, emu);\r
- pio3 = new I8255(this, emu);\r
- io = new IO(this, emu);\r
- rtc = new MSM58321(this, emu); // MSM5832\r
- psg = new SN76489AN(this, emu);\r
- cpu = new Z80(this, emu);\r
- \r
- display = new DISPLAY(this, emu);\r
- keyboard = 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
- // 00 out system control\r
- // 01 in/out vram data\r
- // 02 out crtc addr\r
- // 03 in/out crtc data\r
- // 04-07 in/ou pio1\r
- // pa0-7 out vram addr low, psg data\r
- // pb0-7 in keyboard data\r
- // pc0-2 out vram addr high\r
- // pc3 out fdc format write\r
- // pc4 in keyboard s2\r
- // pc5 in keyboard s3\r
- // pc6 in keyboard s4 (motor on/off)\r
- // pc7 in keyboard s5 (slow)\r
- // 08-0b in/ou pio2\r
- // pa0 in keyboard strobe (1=pressed)\r
- // pa1 in keyboard shift (1=pressed)\r
- // pa2 in cmt in\r
- // pa3-6 in printer ctrl\r
- // pa7 in crtc disptmg\r
- // pb0-7 out printer data\r
- // pc0 out printer strobe\r
- // pc1 out printer reset\r
- // pc2 out cmt out\r
- // pc3 out cmt remote\r
- // pc4 out psg we\r
- // pc5 out psg cs\r
- // pc6 out display chr/cg (0=chr,1=cg)\r
- // pc7 out display freq (0=80column,1=40column)\r
- // 0c-0f in/ou pio3\r
- // pa0-6 in fdc control\r
- // pb0-3 in/out rtc data\r
- // pc0-3 out rtc address\r
- // pc4 out rtc hold\r
- // pc5 out rtc rd\r
- // pc6 out rtc wr\r
- // pc7 out rtc cs\r
- drec->set_context_out(pio2, SIG_I8255_PORT_A, 4);\r
- crtc->set_context_disp(pio2, SIG_I8255_PORT_A, 0x80);\r
- pio1->set_context_port_a(display, SIG_DISPLAY_ADDR_L, 0xff, 0);\r
- pio1->set_context_port_a(psg, SIG_SN76489AN_DATA, 0xff, 0);\r
- pio1->set_context_port_c(display, SIG_DISPLAY_ADDR_H, 7, 0);\r
- pio2->set_context_port_c(drec, SIG_DATAREC_OUT, 4, 0);\r
- pio2->set_context_port_c(drec, SIG_DATAREC_REMOTE, 8, 0);\r
- pio2->set_context_port_c(psg, SIG_SN76489AN_WE, 0x10, 0);\r
- pio2->set_context_port_c(psg, SIG_SN76489AN_CS, 0x20, 0);\r
- pio2->set_context_port_c(display, SIG_DISPLAY_MODE, 0xc0, 0);\r
- pio3->set_context_port_b(rtc, SIG_MSM58321_DATA, 0x0f, 0);\r
- pio3->set_context_port_c(rtc, SIG_MSM5832_ADDR, 0x0f, 0);\r
- pio3->set_context_port_c(rtc, SIG_MSM5832_HOLD, 0x10, 0);\r
- pio3->set_context_port_c(rtc, SIG_MSM58321_READ, 0x20, 0);\r
- pio3->set_context_port_c(rtc, SIG_MSM58321_WRITE, 0x40, 0);\r
- pio3->set_context_port_c(rtc, SIG_MSM58321_CS, 0x80, 0);\r
- rtc->set_context_data(pio3, SIG_I8255_PORT_B, 0x0f, 0);\r
- \r
- display->set_regs_ptr(crtc->get_regs());\r
- keyboard->set_context_cpu(cpu);\r
- keyboard->set_context_pio1(pio1);\r
- keyboard->set_context_pio2(pio2);\r
- \r
- // cpu bus\r
- cpu->set_context_mem(memory);\r
- cpu->set_context_io(io);\r
- cpu->set_context_intr(dummy);\r
-#ifdef USE_DEBUGGER\r
- cpu->set_context_debugger(new DEBUGGER(this, emu));\r
-#endif\r
- \r
- // i/o bus\r
- io->set_iomap_single_w(0x00, memory);\r
- io->set_iomap_single_rw(0x01, display);\r
- io->set_iomap_range_rw(0x02, 0x03, crtc);\r
- io->set_iomap_range_rw(0x04, 0x07, pio1);\r
- io->set_iomap_range_rw(0x08, 0x0b, pio2);\r
- io->set_iomap_range_rw(0x0c, 0x0f, pio3);\r
- \r
- // initialize all devices\r
- for(DEVICE* device = first_device; device; device = device->next_device) {\r
- device->initialize();\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
-// ----------------------------------------------------------------------------\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, 2500800, 10000);\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::play_tape(_TCHAR* file_path)\r
-{\r
- drec->play_tape(file_path);\r
-// drec->write_signal(SIG_DATAREC_REMOTE, 1, 1);\r
-}\r
-\r
-void VM::rec_tape(_TCHAR* file_path)\r
-{\r
- drec->rec_tape(file_path);\r
-// drec->write_signal(SIG_DATAREC_REMOTE, 1, 1);\r
-}\r
-\r
-void VM::close_tape()\r
-{\r
- drec->close_tape();\r
-// drec->write_signal(SIG_DATAREC_REMOTE, 0, 1);\r
-}\r
-\r
-bool VM::tape_inserted()\r
-{\r
- return drec->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
+/*
+ Japan Electronics College MYCOMZ-80A Emulator 'eMYCOMZ-80A'
+
+ Author : Takeda.Toshiya
+ Date : 2009.05.13-
+
+ [ virtual machine ]
+*/
+
+#include "mycomz80a.h"
+#include "../../emu.h"
+#include "../device.h"
+#include "../event.h"
+
+#include "../datarec.h"
+#include "../hd46505.h"
+#include "../i8255.h"
+#include "../io.h"
+#include "../msm58321.h"
+#include "../sn76489an.h"
+#include "../z80.h"
+
+#ifdef USE_DEBUGGER
+#include "../debugger.h"
+#endif
+
+#include "display.h"
+#include "keyboard.h"
+#include "memory.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
+
+ drec = new DATAREC(this, emu);
+ crtc = new HD46505(this, emu);
+ pio1 = new I8255(this, emu);
+ pio2 = new I8255(this, emu);
+ pio3 = new I8255(this, emu);
+ io = new IO(this, emu);
+ rtc = new MSM58321(this, emu); // MSM5832
+ psg = new SN76489AN(this, emu);
+ cpu = new Z80(this, emu);
+
+ display = new DISPLAY(this, emu);
+ keyboard = new KEYBOARD(this, emu);
+ memory = new MEMORY(this, emu);
+
+ // set contexts
+ event->set_context_cpu(cpu);
+ event->set_context_sound(psg);
+ event->set_context_sound(drec);
+
+ // 00 out system control
+ // 01 in/out vram data
+ // 02 out crtc addr
+ // 03 in/out crtc data
+ // 04-07 in/ou pio1
+ // pa0-7 out vram addr low, psg data
+ // pb0-7 in keyboard data
+ // pc0-2 out vram addr high
+ // pc3 out fdc format write
+ // pc4 in keyboard s2
+ // pc5 in keyboard s3
+ // pc6 in keyboard s4 (motor on/off)
+ // pc7 in keyboard s5 (slow)
+ // 08-0b in/ou pio2
+ // pa0 in keyboard strobe (1=pressed)
+ // pa1 in keyboard shift (1=pressed)
+ // pa2 in cmt in
+ // pa3-6 in printer ctrl
+ // pa7 in crtc disptmg
+ // pb0-7 out printer data
+ // pc0 out printer strobe
+ // pc1 out printer reset
+ // pc2 out cmt out
+ // pc3 out cmt remote
+ // pc4 out psg we
+ // pc5 out psg cs
+ // pc6 out display chr/cg (0=chr,1=cg)
+ // pc7 out display freq (0=80column,1=40column)
+ // 0c-0f in/ou pio3
+ // pa0-6 in fdc control
+ // pb0-3 in/out rtc data
+ // pc0-3 out rtc address
+ // pc4 out rtc hold
+ // pc5 out rtc rd
+ // pc6 out rtc wr
+ // pc7 out rtc cs
+ drec->set_context_ear(pio2, SIG_I8255_PORT_A, 4);
+ crtc->set_context_disp(pio2, SIG_I8255_PORT_A, 0x80);
+ pio1->set_context_port_a(display, SIG_DISPLAY_ADDR_L, 0xff, 0);
+ pio1->set_context_port_a(psg, SIG_SN76489AN_DATA, 0xff, 0);
+ pio1->set_context_port_c(display, SIG_DISPLAY_ADDR_H, 7, 0);
+ pio2->set_context_port_c(drec, SIG_DATAREC_MIC, 4, 0);
+ pio2->set_context_port_c(drec, SIG_DATAREC_REMOTE, 8, 0);
+ pio2->set_context_port_c(psg, SIG_SN76489AN_WE, 0x10, 0);
+ pio2->set_context_port_c(psg, SIG_SN76489AN_CS, 0x20, 0);
+ pio2->set_context_port_c(display, SIG_DISPLAY_MODE, 0xc0, 0);
+ pio3->set_context_port_b(rtc, SIG_MSM58321_DATA, 0x0f, 0);
+ pio3->set_context_port_c(rtc, SIG_MSM5832_ADDR, 0x0f, 0);
+ pio3->set_context_port_c(rtc, SIG_MSM5832_HOLD, 0x10, 0);
+ pio3->set_context_port_c(rtc, SIG_MSM58321_READ, 0x20, 0);
+ pio3->set_context_port_c(rtc, SIG_MSM58321_WRITE, 0x40, 0);
+ pio3->set_context_port_c(rtc, SIG_MSM58321_CS, 0x80, 0);
+ rtc->set_context_data(pio3, SIG_I8255_PORT_B, 0x0f, 0);
+
+ display->set_regs_ptr(crtc->get_regs());
+ keyboard->set_context_cpu(cpu);
+ keyboard->set_context_pio1(pio1);
+ keyboard->set_context_pio2(pio2);
+
+ // cpu bus
+ cpu->set_context_mem(memory);
+ cpu->set_context_io(io);
+ cpu->set_context_intr(dummy);
+#ifdef USE_DEBUGGER
+ cpu->set_context_debugger(new DEBUGGER(this, emu));
+#endif
+
+ // i/o bus
+ io->set_iomap_single_w(0x00, memory);
+ io->set_iomap_single_rw(0x01, display);
+ io->set_iomap_range_rw(0x02, 0x03, crtc);
+ io->set_iomap_range_rw(0x04, 0x07, pio1);
+ io->set_iomap_range_rw(0x08, 0x0b, pio2);
+ io->set_iomap_range_rw(0x0c, 0x0f, pio3);
+
+ // initialize all devices
+ for(DEVICE* device = first_device; device; device = device->next_device) {
+ device->initialize();
+ }
+}
+
+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
+ psg->initialize_sound(rate, 2500800, 10000);
+}
+
+uint16* 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(0, decibel_l, decibel_r);
+ } else if(ch == 1) {
+ drec->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::play_tape(const _TCHAR* file_path)
+{
+ drec->play_tape(file_path);
+// drec->write_signal(SIG_DATAREC_REMOTE, 1, 1);
+}
+
+void VM::rec_tape(const _TCHAR* file_path)
+{
+ drec->rec_tape(file_path);
+// drec->write_signal(SIG_DATAREC_REMOTE, 1, 1);
+}
+
+void VM::close_tape()
+{
+ drec->close_tape();
+// drec->write_signal(SIG_DATAREC_REMOTE, 0, 1);
+}
+
+bool VM::is_tape_inserted()
+{
+ return drec->is_tape_inserted();
+}
+
+bool VM::is_tape_playing()
+{
+ return drec->is_tape_playing();
+}
+
+bool VM::is_tape_recording()
+{
+ return drec->is_tape_recording();
+}
+
+int VM::get_tape_position()
+{
+ return drec->get_tape_position();
+}
+
+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 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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