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Ethernet implemented, fixed a bug in "mixed" double word stores (store followed by fetch rather than two stores). Fixed a few UI issues, fixed Reset behavior.

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This commit is contained in:
Josh Dersch
2015-12-17 16:11:03 -08:00
parent 42947488e9
commit 3c8a64bac8
29 changed files with 872 additions and 164 deletions
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21
Contralto/CPU/Tasks/DisplayWordTask.cs
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@@ -1,4 +1,5 @@
using System;
using Contralto.Display;
using System;
namespace Contralto.CPU
@@ -13,16 +14,18 @@ namespace Contralto.CPU
public DisplayWordTask(AltoCPU cpu) : base(cpu)
{
_taskType = TaskType.DisplayWord;
_wakeup = false;
_wakeup = false;
_displayController = _cpu._system.DisplayController;
}
protected override bool ExecuteInstruction(MicroInstruction instruction)
{
// We remove our wakeup only if there isn't a wakeup being generated for us by the
// display controller.
_wakeup = (!_cpu._system.DisplayController.FIFOFULL &&
!_cpu._system.DisplayController.DHTBLOCK &&
!_cpu._system.DisplayController.DWTBLOCK);
_wakeup = (!_displayController.FIFOFULL &&
!_displayController.DHTBLOCK &&
!_displayController.DWTBLOCK);
return base.ExecuteInstruction(instruction);
}
@@ -33,7 +36,7 @@ namespace Contralto.CPU
switch (dw2)
{
case DisplayWordF2.LoadDDR:
_cpu._system.DisplayController.LoadDDR(_busData);
_displayController.LoadDDR(_busData);
break;
default:
@@ -43,16 +46,18 @@ namespace Contralto.CPU
protected override void ExecuteBlock()
{
_cpu._system.DisplayController.DWTBLOCK = true;
_displayController.DWTBLOCK = true;
//
// Wake up DHT if it has not blocked itself.
//
if (!_cpu._system.DisplayController.DHTBLOCK)
if (!_displayController.DHTBLOCK)
{
_cpu.WakeupTask(TaskType.DisplayHorizontal);
}
}
private DisplayController _displayController;
}
}
}