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Vcc.c
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/*
Copyright 2015 by Joseph Forgione
This file is part of VCC (Virtual Color Computer).
VCC (Virtual Color Computer) is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
VCC (Virtual Color Computer) is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with VCC (Virtual Color Computer). If not, see <http://www.gnu.org/licenses/>.
*/
/*---------------------------------------------------------------
---------------------------------------------------------------*/
//#define STRICT
//#define WIN32_LEAN_AND_MEAN
/*--------------------------------------------------------------------------*/
#define DIRECTINPUT_VERSION 0x0800
#define _WIN32_WINNT 0x0500
#ifndef ABOVE_NORMAL_PRIORITY_CLASS
//#define ABOVE_NORMAL_PRIORITY_CLASS 32768
#endif
#define TH_RUNNING 0
#define TH_REQWAIT 1
#define TH_WAITING 2
#include "BuildConfig.h"
#include <objbase.h>
#include <windowsx.h>
#include <process.h>
#include <commdlg.h>
#include <stdio.h>
#include <Mmsystem.h>
#include "fileops.h"
#include "defines.h"
#include "resource.h"
#include "joystickinput.h"
#include "Vcc.h"
#include "tcc1014mmu.h"
#include "tcc1014graphics.h"
#include "tcc1014registers.h"
#include "hd6309.h"
#include "mc6809.h"
#include "mc6821.h"
#include "keyboard.h"
#include "coco3.h"
#include "pakinterface.h"
#include "audio.h"
#include "config.h"
#include "quickload.h"
#include "throttle.h"
#include "DirectDrawInterface.h"
#include "CommandLine.h"
#include "logger.h"
#include "memdump.h"
#include "MemoryMap.h"
#include "ProcessorState.h"
#include "SourceDebug.h"
#include "Disassembler.h"
#include "MMUMonitor.h"
#include "ExecutionTrace.h"
#if USE_DEBUG_MOUSE
#include "IDisplayDebug.h"
#endif
using namespace VCC;
static HANDLE hout=NULL;
SystemState EmuState;
static bool DialogOpen=false;
static unsigned char AutoStart=1;
static unsigned char Qflag=0;
static unsigned char Pflag=0;
static char CpuName[20]="CPUNAME";
/***Forward declarations of functions included in this code module*****/
BOOL InitInstance (HINSTANCE, int);
LRESULT CALLBACK About (HWND, UINT, WPARAM, LPARAM);
LRESULT CALLBACK WndProc( HWND hwnd, UINT Message, WPARAM wParam, LPARAM lParam );
void SoftReset(void);
void LoadIniFile(void);
void SaveConfig(void);
unsigned __stdcall EmuLoop(void *);
unsigned __stdcall CartLoad(void *);
void (*CPUInit)(void)=NULL;
int (*CPUExec)( int)=NULL;
void (*CPUReset)(void)=NULL;
void (*CPUSetBreakpoints)(const std::vector<unsigned short>&) = NULL;
void (*CPUSetTraceTriggers)(const std::vector<unsigned short>&) = NULL;
VCC::CPUState (*CPUGetState)() = NULL;
void (*CPUAssertInterupt)(unsigned char,unsigned char)=NULL;
void (*CPUDeAssertInterupt)(unsigned char)=NULL;
void (*CPUForcePC)(unsigned short)=NULL;
void FullScreenToggle(void);
void save_key_down(unsigned char kb_char, unsigned char OEMscan);
void raise_saved_keys(void);
void FunctionHelpBox(void);
void SetupClock(void);
// Globals
static HANDLE hEMUThread ;
static HANDLE hEMUQuit;
// Function key overclocking flag
//unsigned char OverclockFlag = 1;
static char g_szAppName[MAX_LOADSTRING] = "";
bool BinaryRunning;
static unsigned char FlagEmuStop=TH_RUNNING;
//static CRITICAL_SECTION FrameRender;
/*--------------------------------------------------------------------------*/
int APIENTRY WinMain(HINSTANCE hInstance,
HINSTANCE hPrevInstance,
LPSTR lpCmdLine,
int nCmdShow)
{
MSG Msg;
EmuState.WindowInstance = hInstance;
char temp1[MAX_PATH]="";
char temp2[MAX_PATH]=" Running on ";
unsigned threadID;
HANDLE hEvent,
// SetPriorityClass(GetCurrentProcess(),ABOVE_NORMAL_PRIORITY_CLASS );
// SetThreadPriority(GetCurrentThread(),THREAD_PRIORITY_ABOVE_NORMAL);
// CoInitializeEx(NULL,COINIT_MULTITHREADED);
// CoInitialize(NULL);
// InitializeCriticalSection();
OleInitialize(NULL); //Work around fixs app crashing in "Open file" system dialogs (related to Adobe acrobat 7+
LoadString(hInstance, IDS_APP_TITLE,g_szAppName, MAX_LOADSTRING);
// Parse command line
memset(&CmdArg,0,sizeof(CmdArg));
if (strlen(lpCmdLine)>0) GetCmdLineArgs(lpCmdLine);
Cls(0,&EmuState);
EmuState.Throttle = 1;
EmuState.WindowSize.x=DefaultWidth;
EmuState.WindowSize.y=DefaultHeight;
LoadConfig(&EmuState);
EmuState.ResetPending=2; // after LoadConfig pls
InitInstance(hInstance, nCmdShow);
if (!CreateDDWindow(&EmuState))
{
MessageBox(0,"Can't create primary Window","Error",0);
exit(0);
}
DynamicMenuCallback( "",0, 0);
DynamicMenuCallback( "",1, 0);
LoadModule();
SetClockSpeed(1); //Default clock speed .89 MHZ
BinaryRunning = true;
EmuState.EmulationRunning=AutoStart;
if (strlen(CmdArg.PasteText)!=0) {
Pflag=255;
}
if (strlen(CmdArg.QLoadFile)!=0)
{
Qflag=255;
EmuState.EmulationRunning=1;
}
hEvent = CreateEvent( NULL, FALSE, FALSE, NULL ) ;
if (hEvent==NULL)
{
MessageBox(0,"Can't create Thread!!","Error",0);
return(0);
}
hEMUQuit = CreateEvent(NULL, FALSE, FALSE, NULL);
if (hEMUQuit == NULL)
{
MessageBox(0, "Can't create Thread Quit Event!!", "Error", 0);
return(0);
}
hEMUThread = (HANDLE)_beginthreadex( NULL, 0, &EmuLoop, hEvent, 0, &threadID );
if (hEMUThread==NULL)
{
MessageBox(0,"Can't Start main Emulation Thread!","Ok",0);
return(0);
}
WaitForSingleObject( hEvent, INFINITE );
SetThreadPriority(hEMUThread,THREAD_PRIORITY_NORMAL);
//InitializeCriticalSection(&FrameRender);
while (BinaryRunning)
{
if (FlagEmuStop==TH_WAITING) //Need to stop the EMU thread for screen mode change
{ //As it holds the Secondary screen buffer open while running
FullScreenToggle();
FlagEmuStop=TH_RUNNING;
}
GetMessage(&Msg,NULL,0,0); //Seems if the main loop stops polling for Messages the child threads stall
TranslateMessage(&Msg);
DispatchMessage(&Msg) ;
}
PostThreadMessage(threadID, WM_QUIT, 0, 0);
SetEvent(hEMUQuit); // Signal emulation thread to finish up.
WaitForSingleObject(hEMUThread, INFINITE); // Wait for emulation thread to terminate
CloseHandle( hEvent ) ;
CloseHandle( hEMUQuit ) ;
CloseHandle( hEMUThread ) ;
CloseScreen();
timeEndPeriod(1);
UnloadDll();
SoundDeInit();
WriteIniFile(); //Save Any changes to ini File
return Msg.wParam;
}
/*--------------------------------------------------------------------------*/
// The Window Procedure
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
int wmId, wmEvent;
unsigned char kb_char;
static unsigned char OEMscan=0;
int Extended;
static char ascii=0;
static unsigned long Width,Height;
kb_char = (unsigned char)wParam;
switch (message)
{
case WM_SYSCOMMAND:
//-------------------------------------------------------------
// Control ATL key menu access.
// Here left ALT is hardcoded off and right ALT on
// TODO: Add config check boxes to control them
//-------------------------------------------------------------
if(wParam==SC_KEYMENU) {
if (GetKeyState(VK_LMENU) & 0x8000) return 0; // Left off
// if (GetKeyState(VK_RMENU) & 0x8000) return 0; // Right off
}
// falls through to WM_COMMAND
case WM_COMMAND:
// Force all keys up to prevent key repeats
raise_saved_keys();
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
// Parse the menu selections:
// Added for Dynamic menu system
if ( (wmId >=ID_SDYNAMENU) & (wmId <=ID_EDYNAMENU) )
{
DynamicMenuActivated (wmId - ID_SDYNAMENU); //Calls to the loaded DLL so it can do the right thing
break;
}
switch (wmId)
{
case IDM_USER_WIKI:
ShellExecute(NULL, "open",
"https://github.com/VCCE/VCC/wiki/UserGuide",
NULL, NULL, SW_SHOWNORMAL);
break;
case IDM_HELP_ABOUT:
DialogBox(EmuState.WindowInstance,
(LPCTSTR)IDD_ABOUTBOX,
hWnd,
(DLGPROC)About);
break;
case ID_AUDIO_CONFIG:
OpenAudioConfig();
break;
case ID_CPU_CONFIG:
OpenCpuConfig();
break;
case ID_DISPLAY_CONFIG:
OpenDisplayConfig();
break;
case ID_KEYBOARD_CONFIG:
OpenInputConfig();
break;
case ID_JOYSTICKS_CONFIG:
OpenJoyStickConfig();
break;
case ID_TAPE_CONFIG:
OpenTapeConfig();
break;
case ID_BITBANGER_CONFIG:
OpenBitBangerConfig();
break;
case ID_FILE_EXIT:
case IDOK:
SendMessage (hWnd, WM_CLOSE, 0, 0);
break;
case ID_FILE_RESET:
if (EmuState.EmulationRunning)
EmuState.ResetPending=2;
break;
case ID_FILE_RUN:
EmuState.EmulationRunning=TRUE;
InvalidateBoarder();
break;
case ID_FILE_RESET_SFT:
if (EmuState.EmulationRunning)
EmuState.ResetPending=1;
break;
case ID_FILE_LOAD:
LoadIniFile();
break;
case ID_SAVE_CONFIG:
SaveConfig();
break;
case ID_COPY_TEXT:
CopyText();
break;
case ID_PASTE_TEXT:
PasteText();
break;
case ID_PASTE_BASIC:
PasteBASIC();
break;
case ID_PASTE_BASIC_NEW:
PasteBASICWithNew();
break;
case ID_FLIP_ARTIFACTS:
FlipArtifacts();
break;
case ID_SWAP_JOYSTICKS:
SwapJoySticks();
break;
case ID_PAUSE_EMULATION:
EmuState.Debugger.ToggleRun();
break;
case ID_MEMORY_DISPLAY:
VCC::Debugger::UI::OpenMemoryMapWindow(EmuState.WindowInstance, EmuState.WindowHandle);
break;
case ID_PROCESSOR_STATE:
VCC::Debugger::UI::OpenProcessorStateWindow(EmuState.WindowInstance, EmuState.WindowHandle);
break;
case ID_BREAKPOINTS:
VCC::Debugger::UI::OpenSourceDebugWindow(EmuState.WindowInstance, EmuState.WindowHandle);
break;
case ID_MMU_MONITOR:
VCC::Debugger::UI::OpenMMUMonitorWindow(EmuState.WindowInstance, EmuState.WindowHandle);
break;
case ID_EXEC_TRACE:
VCC::Debugger::UI::OpenExecutionTraceWindow(EmuState.WindowInstance, EmuState.WindowHandle);
break;
case ID_DISASSEMBLER:
VCC::OpenDisassemblerWindow(EmuState.WindowInstance, EmuState.WindowHandle);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
#ifdef _LEGACY_VCC
case WM_CREATE:
{ char title[80] = "Legacy ";
strncat(title,g_szAppName,80);
SetWindowTextA(hWnd,title); }
break;
#endif
case WM_SETCURSOR:
// Hide mouse cursor
if ((EmuState.MousePointer != 1) && (LOWORD(lParam) == HTCLIENT)) {
SetCursor(NULL);
return TRUE;
}
break;
case WM_KILLFOCUS:
// Force keys up if main widow keyboard focus is lost. Otherwise
// down keys will cause issues with OS-9 on return
raise_saved_keys();
break;
case WM_CLOSE:
BinaryRunning=0;
UnloadDll();
break;
case WM_CHAR:
// OEMscan=(unsigned char)((lParam & 0xFF0000)>>16);
// ascii=kb_char;
// sprintf(ttbuff,"Getting REAL CHAR %i",ascii);
// WriteLine ( ttbuff);
// KeyboardEvent(kb_char,OEMscan,1); //Capture ascii value for scancode
return 0;
break;
case WM_SYSCHAR:
DefWindowProc(hWnd, message, wParam, lParam);
return 0;
break;
case WM_KEYUP:
case WM_SYSKEYUP:
// send emulator key up event to the emulator
// TODO: Key up checks whether the emulation is running, this does not
//OEMscan = (unsigned char)((lParam & 0x00FF0000)>>16);
OEMscan = (unsigned char) ((lParam >> 16) & 0xFF);
Extended=(lParam >> 24) & 1;
if (Extended && (OEMscan!=DIK_NUMLOCK)) OEMscan += 0x80;
vccKeyboardHandleKey(kb_char,OEMscan,kEventKeyUp);
return 0;
break;
//----------------------------------------------------------------------------------------
// lParam bits
// 0-15 The repeat count for the current message. The value is the number of times
// the keystroke is autorepeated as a result of the user holding down the key.
// If the keystroke is held long enough, multiple messages are sent. However,
// the repeat count is not cumulative.
// 16-23 The scan code. The value depends on the OEM.
// 24 Indicates whether the key is an extended key, such as the right-hand ALT and
// CTRL keys that appear on an enhanced 101- or 102-key keyboard. The value is
// one if it is an extended key; otherwise, it is zero.
// 25-28 Reserved; do not use.
// 29 The context code. The value is always zero for a WM_KEYDOWN message.
// 30 The previous key state. The value is one if the key is down before the
// message is sent, or it is zero if the key is up.
// 31 The transition state. The value is always zero for a WM_KEYDOWN message.
//----------------------------------------------------------------------------------------
case WM_SYSKEYDOWN:
// Ignore repeated system keys
if (lParam>>30) return 0;
case WM_KEYDOWN:
// get key scan code for emulator control keys
//OEMscan = (unsigned char)((lParam & 0x00FF0000)>>16); // just get the scan code
OEMscan = (unsigned char) ((lParam >> 16) & 0xFF);
Extended=(lParam >> 24) & 1;
if (Extended && (OEMscan!=DIK_NUMLOCK)) OEMscan += 0x80;
// kb_char = Windows virtual key code
switch ( OEMscan )
{
case DIK_F1:
if (IsShiftKeyDown()) FunctionHelpBox();
case DIK_F2:
if (IsShiftKeyDown()) SwapJoySticks();
case DIK_F3:
DecreaseOverclockSpeed();
break;
case DIK_F4:
IncreaseOverclockSpeed();
break;
case DIK_F5:
if ( EmuState.EmulationRunning ) {
EmuState.ResetPending = (IsShiftKeyDown()) ? 2 : 1;
}
break;
case DIK_F6:
if (IsShiftKeyDown()) {
FlipArtifacts();
} else {
SetMonitorType(!SetMonitorType(QUERY));
}
break;
case DIK_F7:
EmuState.Debugger.ToggleRun();
break;
case DIK_F8:
if (IsShiftKeyDown()) {
SetOverclock(!EmuState.OverclockFlag);
SetupClock();
} else {
SetSpeedThrottle(!SetSpeedThrottle(QUERY));
}
break;
case DIK_F9:
EmuState.EmulationRunning=!EmuState.EmulationRunning;
if ( EmuState.EmulationRunning )
EmuState.ResetPending=2;
else
SetStatusBarText("",&EmuState);
break;
case DIK_F10:
SetInfoBand(!SetInfoBand(QUERY));
InvalidateBoarder();
break;
case DIK_F11:
if (FlagEmuStop == TH_RUNNING)
{
FlagEmuStop = TH_REQWAIT;
EmuState.FullScreen =! EmuState.FullScreen;
}
break;
case DIK_F12:
if (IsShiftKeyDown()) CpuDump();
else DumpScreenshot();
break;
default:
// send other keystrokes to the emulator if it is active
if ( EmuState.EmulationRunning )
{
vccKeyboardHandleKey(kb_char, OEMscan, kEventKeyDown);
// Save key down in case focus is lost
save_key_down(kb_char,OEMscan);
}
break;
}
return 0;
break;
case WM_LBUTTONDOWN: //0 = Left 1=right
SetButtonStatus(0,1);
break;
case WM_LBUTTONUP:
SetButtonStatus(0,0);
break;
case WM_RBUTTONDOWN:
SetButtonStatus(1,1);
break;
case WM_RBUTTONUP:
SetButtonStatus(1,0);
break;
case WM_MOUSEMOVE:
if (EmuState.EmulationRunning)
{
static const float MAX_AXIS_VALUE = 16384.0f;
// Get the dimensions of the usable client area (i.e. sans status bar)
RECT clientRect;
GetClientRect(EmuState.WindowHandle, &clientRect);
clientRect.bottom -= GetRenderWindowStatusBarHeight();
int mouseXPosition = GET_X_LPARAM(lParam);
int mouseYPosition = GET_Y_LPARAM(lParam);
int maxHorizontalPosition = clientRect.right;
int maxVerticalPosition = clientRect.bottom;
if (!EmuState.FullScreen)
{
const DisplayDetails displayDetails(GetDisplayDetails(clientRect.right, clientRect.bottom));
maxHorizontalPosition -= (displayDetails.leftBorderColumns + displayDetails.rightBorderColumns);
maxVerticalPosition -= (displayDetails.topBorderRows + displayDetails.bottomBorderRows);
mouseXPosition = min(
max(0, mouseXPosition - displayDetails.leftBorderColumns),
maxHorizontalPosition);
mouseYPosition = min(
max(0, mouseYPosition - displayDetails.topBorderRows),
maxVerticalPosition);
#if USE_DEBUG_MOUSE
// render mouse content area
DebugDrawBox(displayDetails.leftBorderColumns, displayDetails.topBorderRows, maxHorizontalPosition, maxVerticalPosition, VCC::ColorRed);
// render mouse crosshair
int mx = displayDetails.leftBorderColumns;
int my = displayDetails.topBorderRows;
DebugDrawLine(mouseXPosition + mx, mouseYPosition - 20 + my, mouseXPosition + mx, mouseYPosition + 20 + my, VCC::ColorRed);
DebugDrawLine(mouseXPosition - 20 + mx, mouseYPosition + my, mouseXPosition + 20 + mx, mouseYPosition + my, VCC::ColorRed);
#endif
}
// Convert coordinates to mouseXPosition,mouseYPosition values with range 0-3fff (0-16383).
mouseXPosition = static_cast<int>(mouseXPosition * (MAX_AXIS_VALUE / maxHorizontalPosition));
mouseYPosition = static_cast<int>(mouseYPosition * (MAX_AXIS_VALUE / maxVerticalPosition));
joystick(mouseXPosition, mouseYPosition);
}
return 0;
// default:
// return DefWindowProc(hWnd, message, wParam, lParam);
}
return DefWindowProc(hWnd, message, wParam, lParam);
}
//--------------------------------------------------------------------------
// When the main window is about to lose keyboard focus there are one
// or two keys down in the emulation that must be raised. These routines
// track the last two key down events so they can be raised when needed.
//--------------------------------------------------------------------------
static unsigned char SC_save1 = 0;
static unsigned char SC_save2 = 0;
static unsigned char KB_save1 = 0;
static unsigned char KB_save2 = 0;
static int KeySaveToggle=0;
// Save last two key down events
void save_key_down(unsigned char kb_char, unsigned char OEMscan) {
// Ignore zero scan code
if (OEMscan == 0) return;
// Remember it
KeySaveToggle = !KeySaveToggle;
if (KeySaveToggle) {
KB_save1 = kb_char;
SC_save1 = OEMscan;
} else {
KB_save2 = kb_char;
SC_save2 = OEMscan;
}
return;
}
// Send key up events to keyboard handler for saved keys
void raise_saved_keys() {
if (SC_save1) vccKeyboardHandleKey(KB_save1,SC_save1,kEventKeyUp);
if (SC_save2) vccKeyboardHandleKey(KB_save2,SC_save2,kEventKeyUp);
SC_save1 = 0;
SC_save2 = 0;
return;
}
void SetCPUMultiplyerFlag (unsigned char double_speed)
{
EmuState.DoubleSpeedFlag=double_speed;
SetupClock();
return;
}
void SetTurboMode(unsigned char data)
{
EmuState.TurboSpeedFlag=(data&1)+1;
SetupClock();
return;
}
unsigned char SetCPUMultiplyer(unsigned char Multiplyer)
{
if (Multiplyer!=QUERY)
{
EmuState.DoubleSpeedMultiplyer=Multiplyer;
SetCPUMultiplyerFlag (EmuState.DoubleSpeedFlag);
}
return(EmuState.DoubleSpeedMultiplyer);
}
void SetupClock(void)
{
int mult = (EmuState.OverclockFlag) ? EmuState.DoubleSpeedMultiplyer : 2;
SetClockSpeed(1);
if (EmuState.DoubleSpeedFlag)
SetClockSpeed( mult * EmuState.TurboSpeedFlag);
EmuState.CPUCurrentSpeed = .894;
if (EmuState.DoubleSpeedFlag)
EmuState.CPUCurrentSpeed*=(mult*EmuState.TurboSpeedFlag);
return;
}
void DoHardReset(SystemState* const HRState)
{
HRState->RamBuffer=MmuInit(HRState->RamSize); //Alocate RAM/ROM & copy ROM Images from source
HRState->WRamBuffer=(unsigned short *)HRState->RamBuffer;
// Debugger - watch memory.
// Only Processor Space (64K) is watched at the moment.
HRState->Debugger.Reset();
// Debugger ---------------------
// Remove all haltpoints
VCC::KillHaltpoints();
if (HRState->RamBuffer == NULL)
{
MessageBox(NULL,"Can't allocate enough RAM, Out of memory","Error",0);
exit(0);
}
if (HRState->CpuType == 1)
{
CPUInit = HD6309Init;
CPUExec = HD6309Exec;
CPUReset = HD6309Reset;
CPUAssertInterupt = HD6309AssertInterupt;
CPUDeAssertInterupt = HD6309DeAssertInterupt;
CPUForcePC = HD6309ForcePC;
CPUSetBreakpoints = HD6309SetBreakpoints;
CPUGetState = HD6309GetState;
CPUSetTraceTriggers = HD6309SetTraceTriggers;
}
else
{
CPUInit = MC6809Init;
CPUExec = MC6809Exec;
CPUReset = MC6809Reset;
CPUAssertInterupt = MC6809AssertInterupt;
CPUDeAssertInterupt = MC6809DeAssertInterupt;
CPUForcePC = MC6809ForcePC;
CPUSetBreakpoints = MC6809SetBreakpoints;
CPUGetState = MC6809GetState;
CPUSetTraceTriggers = MC6809SetTraceTriggers;
}
PiaReset();
mc6883_reset(); //Captures interal rom pointer for CPU Interupt Vectors
CPUInit();
CPUReset(); // Zero all CPU Registers and sets the PC to VRESET
GimeReset();
UpdateBusPointer();
EmuState.TurboSpeedFlag=1;
ResetBus();
SetClockSpeed(1);
return;
}
void SoftReset(void)
{
mc6883_reset();
PiaReset();
CPUReset();
GimeReset();
MmuReset();
LoadRom();
ResetBus();
EmuState.TurboSpeedFlag=1;
return;
}
// Mesage handler for the About box.
LRESULT CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
switch (message)
{
case WM_INITDIALOG:
SendDlgItemMessage(hDlg,IDC_TITLE,WM_SETTEXT,strlen(g_szAppName),(LPARAM)(LPCSTR)g_szAppName);
return TRUE;
case WM_COMMAND:
if (LOWORD(wParam) == IDOK)
{
EndDialog(hDlg, LOWORD(wParam));
return TRUE;
}
break;
}
return FALSE;
}
unsigned char SetRamSize(unsigned char Size)
{
if (Size!=QUERY)
EmuState.RamSize=Size;
return(EmuState.RamSize);
}
unsigned char SetSpeedThrottle(unsigned char throttle)
{
if (throttle != QUERY)
{
EmuState.Throttle = throttle;
}
return(EmuState.Throttle);
}
unsigned char SetFrameSkip(unsigned char Skip)
{
if (Skip!=QUERY)
EmuState.FrameSkip=Skip;
return(EmuState.FrameSkip);
}
unsigned char SetCpuType( unsigned char Tmp)
{
switch (Tmp)
{
case 0:
EmuState.CpuType=0;
strcpy(CpuName,"MC6809");
break;
case 1:
EmuState.CpuType=1;
strcpy(CpuName,"HD6309");
break;
}
return(EmuState.CpuType);
}
void DoReboot(void)
{
EmuState.ResetPending=2;
return;
}
unsigned char SetAutoStart(unsigned char Tmp)
{
if (Tmp != QUERY)
AutoStart=Tmp;
return(AutoStart);
}
// LoadIniFile allows user to browse for an ini file and reloads the config from it.
void LoadIniFile(void)
{
OPENFILENAME ofn ;
char szFileName[MAX_PATH]="";
GetIniFilePath(szFileName); // EJJ load current ini file path
memset(&ofn,0,sizeof(ofn));
ofn.lStructSize = sizeof (OPENFILENAME);
ofn.hwndOwner = EmuState.WindowHandle;
ofn.lpstrFilter = "INI\0*.ini\0\0";
ofn.nFilterIndex = 1;
ofn.lpstrFile = szFileName;
ofn.nMaxFile = MAX_PATH;
ofn.nMaxFileTitle = MAX_PATH;
ofn.lpstrFileTitle = NULL;
ofn.lpstrInitialDir = AppDirectory() ;
ofn.lpstrTitle = TEXT("Load Vcc Config File") ;
ofn.Flags = OFN_HIDEREADONLY | OFN_FILEMUSTEXIST;
if ( GetOpenFileName (&ofn) ) {
WriteIniFile(); // Flush current profile
SetIniFilePath(szFileName); // Set new ini file path
ReadIniFile(); // Load it
UpdateConfig();
EmuState.ResetPending = 2;
// SetClockSpeed(1); //Default clock speed .89 MHZ
}
return;
}
// SaveIniFile copies the current config to a speficied ini file. The file is created
// if it does not already exist.
void SaveConfig(void) {
OPENFILENAME ofn ;
char curini[MAX_PATH];
char newini[MAX_PATH+4]; // Save room for '.ini' if needed
GetIniFilePath(curini); // EJJ get current ini file path
strcpy(newini,curini); // Let GetOpenFilename suggest it
memset(&ofn,0,sizeof(ofn));
ofn.lStructSize = sizeof (OPENFILENAME) ;
ofn.hwndOwner = EmuState.WindowHandle;
ofn.lpstrFilter = "INI\0*.ini\0\0" ; // filter string
ofn.nFilterIndex = 1 ; // current filter index
ofn.lpstrFile = newini; // contains full path on return
ofn.nMaxFile = MAX_PATH; // sizeof lpstrFile
ofn.lpstrFileTitle = NULL; // filename and extension only
ofn.nMaxFileTitle = MAX_PATH ; // sizeof lpstrFileTitle
ofn.lpstrInitialDir = AppDirectory() ; // EJJ initial directory
ofn.lpstrTitle = TEXT("Save Vcc Config") ; // title bar string
ofn.Flags = OFN_HIDEREADONLY |OFN_PATHMUSTEXIST;
if ( GetSaveFileName (&ofn) ) {
if (ofn.nFileExtension == 0) strcat(newini, ".ini"); //Add extension if none
WriteIniFile(); // Flush current config
if (_stricmp(curini,newini) != 0) {
if (! CopyFile(curini,newini,false) ) { // Copy it to new file
MessageBox(0,"Copy config failed","error",0);
}
}
}
return;
}
unsigned __stdcall EmuLoop(void *Dummy)
{
HANDLE hEvent = (HANDLE)Dummy;
static float FPS;
static unsigned int FrameCounter=0;
CalibrateThrottle();
Sleep(30);
SetEvent(hEvent) ;
while (true)
{
// Main Thread wants us to end?
if (WaitForSingleObject(hEMUQuit,0) == WAIT_OBJECT_0)
{
break;
}
if (FlagEmuStop==TH_REQWAIT)
{
FlagEmuStop = TH_WAITING; //Signal Main thread we are waiting
while (FlagEmuStop == TH_WAITING)
Sleep(1);
}
FPS=0;
if ((Qflag==255) && (FrameCounter==32))
{
Qflag=0;
QuickLoad(CmdArg.QLoadFile);
}
if ((Pflag==255) && (FrameCounter==32)) {
Pflag=0;
QueueText(CmdArg.PasteText);
}
StartRender();
for (uint8_t Frames = 1; Frames <= EmuState.FrameSkip; Frames++)
{
FrameCounter++;
if (EmuState.ResetPending != 0) {
switch (EmuState.ResetPending)
{
case 1: //Soft Reset
SoftReset();
break;
case 2: //Hard Reset
UpdateConfig();
DoCls(&EmuState);
DoHardReset(&EmuState);
break;
case 3:
DoCls(&EmuState);
break;
case 4:
UpdateConfig();
DoCls(&EmuState);
break;
default:
break;
}
EmuState.ResetPending = 0;
}
if (EmuState.EmulationRunning == 1) {
FPS += RenderFrame(&EmuState);
} else {
FPS += Static(&EmuState);
}
}
EndRender(EmuState.FrameSkip);
FPS/=EmuState.FrameSkip;
GetModuleStatus(&EmuState);
char tstatus[128];
char tspeed[32];
snprintf(tspeed,sizeof(tspeed),"%2.2fMhz",EmuState.CPUCurrentSpeed);
// Append "+" to speed if overclocking is enabled
if (EmuState.OverclockFlag && (EmuState.DoubleSpeedMultiplyer>2))
strncat (tspeed,"+",sizeof(tspeed));
if (EmuState.Debugger.IsHalted()) {