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NES: internal cleanup and commenting

This commit is contained in:
goyuken 2014-07-02 15:21:42 +00:00
parent afa1a5f73d
commit d83c56a9d8
1 changed files with 14 additions and 3 deletions
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17
BizHawk.Emulation.Cores/Consoles/Nintendo/NES/NES.cs
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@ -469,7 +469,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
}
}
public unsafe void Init(GameInfo gameInfo, byte[] rom, byte[] fdsbios = null)
public void Init(GameInfo gameInfo, byte[] rom, byte[] fdsbios = null)
{
LoadReport = new StringWriter();
LoadWriteLine("------");
@ -502,7 +502,10 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
else if (file.Take(4).SequenceEqual(System.Text.Encoding.ASCII.GetBytes("FDS\x1A"))
|| file.Take(4).SequenceEqual(System.Text.Encoding.ASCII.GetBytes("\x01*NI")))
{
// there's not much else to do with FDS images other than to feed them to the board
// danger! this is a different codepath with an early return. accordingly, some
// code is duplicated twice...
// FDS roms are just fed to the board, we don't do much else with them
origin = EDetectionOrigin.FDS;
LoadWriteLine("Found FDS header.");
if (fdsbios == null)
@ -512,6 +515,8 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
fdsboard.biosrom = fdsbios;
fdsboard.SetDiskImage(rom);
fdsboard.Create(this);
// at the moment, FDS doesn't use the IRVs, but it could at some point in the future
fdsboard.InitialRegisterValues = InitialMapperRegisterValues;
fdsboard.Configure(origin);
board = fdsboard;
@ -524,7 +529,11 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
board.PostConfigure();
Console.WriteLine("Using NTSC display type for FDS disk image");
_display_type = Common.DisplayType.NTSC;
HardReset();
return;
}
else
@ -745,6 +754,8 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
board.VROM = unif.GetCHR();
}
// IF YOU DO ANYTHING AT ALL BELOW THIS LINE, MAKE SURE THE APPROPRIATE CHANGE IS MADE TO FDS (if applicable)
//create the vram and wram if necessary
if (cart.wram_size != 0)
board.WRAM = new byte[cart.wram_size * 1024];
@ -783,7 +794,7 @@ namespace BizHawk.Emulation.Cores.Nintendo.NES
HardReset();
}
NESSyncSettings.Region DetectRegion(string system)
static NESSyncSettings.Region DetectRegion(string system)
{
switch (system)
{