ShuriZma
/
BizHawk
mirror of https://github.com/TASEmulators/BizHawk.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Atari 2600 - crop top and bottom 35 scanlines to make 160x192

This commit is contained in:
adelikat 2014-05-02 23:59:02 +00:00
parent bf363a4c42
commit c15b665e96
1 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
BizHawk.Emulation.Cores/Consoles/Atari/2600/Tia/TIA.cs
View File

@ -66,7 +66,6 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
private HMoveData _hmove;
private BallData _ball;
public int[] FrameBuffer = new int[320 * 262];
public Audio[] AUD = { new Audio(), new Audio() };
public TIA(Atari2600 core)
@ -120,7 +119,7 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
public int VirtualHeight
{
get { return 262; }
get { return _bottomLine - _topLine; }
}
public int BufferWidth
@ -130,7 +129,7 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
public int BufferHeight
{
get { return 262; }
get { return _bottomLine - _topLine; }
}
public int BackgroundColor
@ -473,21 +472,28 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
}
}
public int[] FrameBuffer = new int[ScreenWidth * MaxScreenHeight];
private const int ScreenWidth = 160;
private const int MaxScreenHeight = 262;
private const int _topLine = 35;
private const int _bottomLine = 227;
// TODO: Remove the magic numbers from this function to allow for a variable height screen
public void OutputFrame()
{
for (int row = 0; row < 262; row++)
for (int row = _topLine; row < _bottomLine; row++)
{
for (int col = 0; col < ScreenWidth; col++)
{
if (_scanlinesBuffer.Count > row)
{
FrameBuffer[(row * ScreenWidth) + col] = (int)(_scanlinesBuffer[row][col] | 0xFF000000);
FrameBuffer[((row - _topLine) * ScreenWidth) + col] = (int)(_scanlinesBuffer[row][col] | 0xFF000000);
}
else
{
FrameBuffer[(row * ScreenWidth) + col] = unchecked((int)0xFF000000);
FrameBuffer[((row - _topLine) * ScreenWidth) + col] = unchecked((int)0xFF000000);
}
}
}