6502/EightBitNet
1
0 Fork 0
mirror of https://github.com/MoleskiCoder/EightBitNet.git synced 2026-10-23 23:02:16 +00:00
Code Issues Projects Releases Wiki Activity

Open up some of the Z80 flag manipulation. Who knows? It be handy in ZX Spectrum tape loading implementation?

Browse Source
This commit is contained in:
Adrian Conlon committed 2026-06-12 21:52:46 +01:00
1 parent 41b4ba6d09
commit d67c03b18f
1 file changed
+8 -8
Download Patch File Download Diff File Expand all files Collapse all files
Z80/Z80.cs
+8 -8
View File
@@ -671,17 +671,17 @@ namespace Z80
this.Tick(5);
}
private int Zero() => ZeroTest(this.F);
public int Zero() => ZeroTest(this.F);
private int Carry() => CarryTest(this.F);
public int Carry() => CarryTest(this.F);
private int Parity() => ParityTest(this.F);
public int Parity() => ParityTest(this.F);
private int Sign() => SignTest(this.F);
public int Sign() => SignTest(this.F);
private int HalfCarry() => HalfCarryTest(this.F);
public int HalfCarry() => HalfCarryTest(this.F);
private int Subtracting() => SubtractingTest(this.F);
public int Subtracting() => SubtractingTest(this.F);
private static int ZeroTest(byte data) => data & (byte)StatusBits.ZF;
@@ -701,7 +701,7 @@ namespace Z80
private void AdjustStatusFlags(byte value) => this._modifiedF = this.F = value;
private void SetBit(StatusBits flag) => this.AdjustStatusFlags(SetBit(this.F, flag));
public void SetBit(StatusBits flag) => this.AdjustStatusFlags(SetBit(this.F, flag));
private static byte SetBit(byte f, StatusBits flag) => SetBit(f, (byte)flag);
@@ -713,7 +713,7 @@ namespace Z80
private static byte SetBit(byte f, StatusBits flag, bool condition) => SetBit(f, (byte)flag, condition);
private void ClearBit(StatusBits flag) => this.AdjustStatusFlags(ClearBit(this.F, flag));
public void ClearBit(StatusBits flag) => this.AdjustStatusFlags(ClearBit(this.F, flag));
private static byte ClearBit(byte f, StatusBits flag) => ClearBit(f, (byte)flag);