/// <summary>
/// New - Resets the program settings and clears out the program data
/// </summary>
/// <returns></returns>
public void New()
{
// Reset the address values
StartAddress = 0;
EndAddress = 0;
ExeAddress = 0;
// Reset the program format
Format = 0;
// Reset the program status flag
m_protectionStatus = ProtectionStatus.Unprotected;
m_programFormat = ProgramFormat.UnknownFile;
// Reset the AutoRun flag
AutoRun = AutoRunFlag.Disabled;
// Reset the program name
ProgramName = "";
// Reset the program data
if (m_programData != null)
{
m_programData.Initialize();
}
}
public Preview(Boolean bPreview)
{
m_ui16DataLength = 0;
m_ui16StartAddress = 0;
// Set initial format to HIRES
m_scrnFormat = OricProgram.ProgramFormat.HiresScreen;
// Initialise the screen buffer
bScrnData = new Byte[8000];
// Load the standard character set
BuildCharSet();
cScrnPaper = 0;
cScrnInk = 7;
m_bDisablePaper = false;
m_bDisableInk = false;
m_bDisableAttributes = false;
m_bFlash = true;
m_bWidthBytes = 40;
if (bPreview)
{
screenImage = new Bitmap(480, 448);
}
}
private static OricProgram.ProgramFormat GetFileFormat(Byte[] FileDescriptor)
{
OricProgram.ProgramFormat programFormat = OricProgram.ProgramFormat.UnknownFile;
UInt16 tmpStartAddr = (UInt16)(FileDescriptor[0x04] + (FileDescriptor[0x05] * 256));
Byte formatFlag = FileDescriptor[0x03];
if ((formatFlag & 0x08) == 0x08)
{
programFormat = OricProgram.ProgramFormat.DirectAccessFile;
}
else if ((formatFlag & 0x10) == 0x10)
{
programFormat = OricProgram.ProgramFormat.SequentialFile;
}
else if ((formatFlag & 0x20) == 0x20)
{
programFormat = OricProgram.ProgramFormat.WindowFile;
}
else if ((formatFlag & 0x40) == 0x40)
{
programFormat = OricProgram.ProgramFormat.CodeFile;
}
else if ((formatFlag & 0x80) == 0x80)
{
programFormat = OricProgram.ProgramFormat.BasicProgram;
}
else
{
programFormat = OricProgram.ProgramFormat.UnknownFile;
}
if (programFormat == OricProgram.ProgramFormat.CodeFile)
{
switch (tmpStartAddr)
{
case 0xBB80: programFormat = OricProgram.ProgramFormat.TextScreen; break;
case 0xBBA8: programFormat = OricProgram.ProgramFormat.TextScreen; break;
case 0xA000: programFormat = OricProgram.ProgramFormat.HiresScreen; break;
case 0xB400: programFormat = OricProgram.ProgramFormat.CharacterSet; break;
case 0xB500: programFormat = OricProgram.ProgramFormat.CharacterSet; break;
default: programFormat = OricProgram.ProgramFormat.CodeFile; break;
}
}
return(programFormat);
}
public void DrawScreenImage(ScreenImageSize imageSize, ScreenImageFormat imageFormat)
{
screenImageSize = imageSize;
screenImageFormat = imageFormat;
// Set the image and pixel dimensions
if (screenImageSize == ScreenImageSize.IMAGE_SIZE_NORMAL)
{
imageWidth = 240;
imageHeight = 224;
pixelWidth = 1;
pixelHeight = 1;
}
else if (screenImageSize == ScreenImageSize.IMAGE_SIZE_ENLARGED)
{
imageWidth = 480;
imageHeight = 448;
pixelWidth = 2;
pixelHeight = 2;
}
if (screenImageFormat == ScreenImageFormat.IMAGE_FORMAT_TEXT)
{
m_scrnFormat = OricProgram.ProgramFormat.TextScreen;
}
else if (screenImageFormat == ScreenImageFormat.IMAGE_FORMAT_HIRES)
{
m_scrnFormat = OricProgram.ProgramFormat.HiresScreen;
}
else
{
m_scrnFormat = OricProgram.ProgramFormat.UnknownFile;
}
screenImageData = new Bitmap(imageWidth, imageHeight);
switch (m_scrnFormat)
{
case OricProgram.ProgramFormat.HiresScreen:
if (m_ui16DataLength > 8000)
{
m_ui16DisplayBytes = 8000;
}
else
{
m_ui16DisplayBytes = m_ui16DataLength;
}
DrawHiresScreen();
break;
case OricProgram.ProgramFormat.WindowFile:
case OricProgram.ProgramFormat.TextScreen:
if (m_ui16DataLength > 1120)
{
m_ui16DisplayBytes = 1120;
}
else
{
m_ui16DisplayBytes = m_ui16DataLength;
}
DrawTextScreen();
break;
default:
DrawNoImageMessage();
break;
}
}
