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

Add poke flag 

the point of this is to protect the data bus state
This commit is contained in:
alyosha-tas 2016-05-27 08:53:37 -04:00
parent bd5616050a
commit d5c4d2f037
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
BizHawk.Emulation.Cores/Consoles/Atari/2600/Tia/TIA.cs
View File

@ -1151,16 +1151,14 @@ namespace BizHawk.Emulation.Cores.Atari.Atari2600
//assigned in some other bus access, so let's go with that.
coll+=(byte)(mask & bus_state);
// this might need to be peek protected, let's just make a note of it for now
bus_state = (int)coll;
if (!peek) bus_state = (int)coll;
return coll;
}
public void WriteMemory(ushort addr, byte value)
public void WriteMemory(ushort addr, byte value, bool poke)
{
var maskedAddr = (ushort)(addr & 0x3f);
// this might need to be poke protected, let's just make a note of it for now
bus_state = value;
if (!poke) bus_state = value;
if (maskedAddr == 0x00) // VSYNC
{