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RA RB Latch (?)

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This commit is contained in:
Mike Schwörer
2017-05-16 08:35:14 +02:00
parent 62bec2f317
commit 7ebfa04f5d
2 changed files with 35 additions and 3 deletions
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28
PIC_Simulator/PIC/PICProgramm.cs
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@@ -116,6 +116,9 @@ namespace PIC_Simulator.PIC
public Stack<uint> Stack = new Stack<uint>();
public bool IsSleeping = false;
public byte Latch_RA = 0;
public byte Latch_RB = 0;
public List<int> Breakpoints = new List<int>();
public int TaktgeberFrequenz = 100000;
@@ -816,6 +819,28 @@ namespace PIC_Simulator.PIC
}
Register[index] = (byte)(wert & 0xFF);
if (index == ADDR_PORT_A || index == ADDR_TRIS_A)
{
var ra = Register[ADDR_PORT_A];
var ta = Register[ADDR_TRIS_A];
for (uint i = 0; i < 8; i++)
{
if (!GetBit(ta, i)) Latch_RA = (byte)SetBit(Latch_RA, i, GetBit(ra, i));
}
}
if (index == ADDR_PORT_B || index == ADDR_TRIS_B)
{
var rb = Register[ADDR_PORT_B];
var tb = Register[ADDR_TRIS_B];
for (uint i = 0; i < 8; i++)
{
if (!GetBit(tb, i)) Latch_RB = (byte)SetBit(Latch_RB, i, GetBit(rb, i));
}
}
}
public byte GetRegisterOhneBank(uint index)
@@ -841,6 +866,9 @@ namespace PIC_Simulator.PIC
return Register[Register[ADDR_FSR]];
}
if (index == ADDR_PORT_A) return Latch_RA;
if (index == ADDR_PORT_A) return Latch_RB;
return Register[index];
}