github.com/livingcomputermuseum.ContrAlto
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General code cleanup. Fixed debugger display of RAM banks for 3K systems, cleaned up logic for displaying ucode memory. Implemented memory timing for Alto I systems, incorporated Alto I uCode ROMs from Al K, which now boot. ST-74 runs better now.

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This commit is contained in:
Josh Dersch
2016-05-05 18:56:29 -07:00
parent c6baa01509
commit 6429c3ae7a
139 changed files with 725 additions and 588 deletions
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18
Contralto/CPU/Tasks/DiskTask.cs
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@@ -7,9 +7,9 @@ namespace Contralto.CPU
public partial class AltoCPU
{
/// <summary>
/// DiskTask provides implementation for disk-specific special functions
/// DiskTask provides implementations of disk-specific special functions
/// (for both Disk Sector and Disk Word tasks, since the special functions are
/// identical between the two)
/// identical between the two).
/// </summary>
private sealed class DiskTask : Task
{
@@ -19,12 +19,10 @@ namespace Contralto.CPU
_wakeup = false;
_diskController = _cpu._system.DiskController;
}
protected override InstructionCompletion ExecuteInstruction(MicroInstruction instruction)
{
InstructionCompletion completion = base.ExecuteInstruction(instruction);
}
public override void OnTaskSwitch()
{
// Deal with SECLATE semantics: If the Disk Sector task wakes up and runs before
// the Disk Controller hits the SECLATE trigger time, then SECLATE remains false.
// Otherwise, when the trigger time is hit SECLATE is raised until
@@ -32,10 +30,8 @@ namespace Contralto.CPU
if (_taskType == TaskType.DiskSector)
{
// Sector task is running; clear enable for seclate signal
_diskController.DisableSeclate();
}
return completion;
_diskController.DisableSeclate();
}
}
protected override ushort GetBusSource(int bs)