SRQ needed to be inverted.

pi1541 · Nov 4, 2018 · d9528f0 · d9528f0
1 parent a26a427
commit d9528f0
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/src/iec_bus.cpp b/src/iec_bus.cpp
@@ -269,7 +269,7 @@ void IEC_Bus::ReadEmulationMode1581(void)
 	}
 	else
 	{
-		PI_SRQ = false;
+		PI_SRQ = true;
 	}
 
 	Resetting = !ignoreReset && ((gplev0 & PIGPIO_MASK_IN_RESET) == (invertIECInputs ? PIGPIO_MASK_IN_RESET : 0));

diff --git a/src/iec_bus.h b/src/iec_bus.h
@@ -488,7 +488,7 @@ class IEC_Bus
 			if (ClockSetToOut) set |= 1 << PIGPIO_OUT_CLOCK;
 			else clear |= 1 << PIGPIO_OUT_CLOCK;
 
-			if (!SRQSetToOut) set |= 1 << PIGPIO_OUT_SRQ;	// fast clock is pulled high but we have an inverter in our hardware so to compensate we invert in software now
+			if (SRQSetToOut) set |= 1 << PIGPIO_OUT_SRQ;	// fast clock is pulled high but we have an inverter in our hardware so to compensate we invert in software now
 			else clear |= 1 << PIGPIO_OUT_SRQ;
 
 			if (!invertIECOutputs) {