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ZXHawk: UPD ReadDiagnostic fix (more Alkatraz protected games now load)

This commit is contained in:
Asnivor 2018-05-01 13:42:21 +01:00
parent d891938d89
commit 462d66c549
1 changed files with 4 additions and 2 deletions
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6
BizHawk.Emulation.Cores/Computers/SinclairSpectrum/Hardware/Disk/NECUPD765.FDC.cs
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@ -1313,7 +1313,7 @@ namespace BizHawk.Emulation.Cores.Computers.SinclairSpectrum
// read the whole track
for (int i = 0; i < track.Sectors.Length; i++)
{
if (secCount > ActiveCommandParams.EOT)
if (secCount >= ActiveCommandParams.EOT)
{
break;
}
@ -2821,7 +2821,7 @@ namespace BizHawk.Emulation.Cores.Computers.SinclairSpectrum
{
// interrupt has been raised for this drive
// acknowledge
ActiveDrive.SeekStatus = SEEK_INTACKNOWLEDGED;
ActiveDrive.SeekStatus = SEEK_IDLE;// SEEK_INTACKNOWLEDGED;
// result length 2
ResLength = 2;
@ -2832,6 +2832,7 @@ namespace BizHawk.Emulation.Cores.Computers.SinclairSpectrum
// second byte is the current track id
ResBuffer[1] = ActiveDrive.CurrentTrackID;
}
/*
else if (ActiveDrive.SeekStatus == SEEK_INTACKNOWLEDGED)
{
// DriveA interrupt has already been acknowledged
@ -2841,6 +2842,7 @@ namespace BizHawk.Emulation.Cores.Computers.SinclairSpectrum
Status0 = 192;
ResBuffer[0] = Status0;
}
*/
else if (ActiveDrive.SeekStatus == SEEK_IDLE)
{
// SIS with no interrupt