diff --git a/source/CPU/cpu65C02.h b/source/CPU/cpu65C02.h
index b8b2e648..b2b1f970 100644
--- a/source/CPU/cpu65C02.h
+++ b/source/CPU/cpu65C02.h
@@ -56,6 +56,48 @@ static DWORD Cpu65C02(DWORD uTotalCycles, const bool bVideoUpdate)
 		}
 		else
 		{
+#if 0
+			if (regs.pc >= 0x59f && regs.pc < 0x680)
+			{
+				if (regs.pc == 0x5d9)
+					LogOutput("%04X: inc $ea -> %02X\n", regs.pc, (mem[0xea] + 1) & 0xff);
+				else if (regs.pc == 0x5da)
+					LogOutput("%04X: nop $ea  = %02X\n", regs.pc, mem[0xea]);
+				//
+				else if (regs.pc == 0x5ef)
+					LogOutput("%04X: inc $ea -> %02X\n", regs.pc, (mem[0xea] + 1) & 0xff);
+				else if (regs.pc == 0x5f0)
+					LogOutput("%04X: nop $ea  = %02X\n", regs.pc, mem[0xea]);
+				//
+				else if (regs.pc == 0x606)
+					LogOutput("%04X: inc $ea -> %02X\n", regs.pc, (mem[0xea] + 1) & 0xff);
+				else if (regs.pc == 0x607)
+					LogOutput("%04X: nop $ea  = %02X\n", regs.pc, mem[0xea]);
+				//
+				else if (regs.pc == 0x61c)
+					LogOutput("%04X: inc $ea -> %02X\n", regs.pc, (mem[0xea] + 1) & 0xff);
+				else if (regs.pc == 0x61d)
+					LogOutput("%04X: nop $ea  = %02X\n", regs.pc, mem[0xea]);
+				//
+				else if (regs.pc == 0x631)
+					LogOutput("%04X: inc $ea -> %02X\n", regs.pc, (mem[0xea] + 1) & 0xff);
+				else if (regs.pc == 0x632)
+					LogOutput("%04X: nop $ea  = %02X\n", regs.pc, mem[0xea]);
+				//
+				else if (regs.pc == 0x647)
+					LogOutput("%04X: inc $ea -> %02X\n", regs.pc, (mem[0xea] + 1) & 0xff);
+				else if (regs.pc == 0x648)
+					LogOutput("%04X: nop $ea  = %02X\n", regs.pc, mem[0xea]);
+				//
+				else if (regs.pc == 0x65f)
+					LogOutput("%04X: inc $ea -> %02X\n", regs.pc, (mem[0xea] + 1) & 0xff);
+				//
+				else if (regs.pc == 0x672)
+					LogOutput("%04X: rol $ea -> %02X\n", regs.pc, mem[0xea]);
+				else if (regs.pc == 0x674)
+					LogOutput("%04X: rol $3a -> %02X\n", regs.pc, mem[0x3a]);
+			}
+#endif
 			HEATMAP_X( regs.pc );
 			Fetch(iOpcode, uExecutedCycles);
 
diff --git a/source/Disk.cpp b/source/Disk.cpp
index 2330c35c..bc0a2c11 100644
--- a/source/Disk.cpp
+++ b/source/Disk.cpp
@@ -1373,6 +1373,17 @@ void __stdcall Disk2InterfaceCard::DataLatchReadWriteWOZ(WORD pc, WORD addr, BYT
 			m_diskLastCycle = g_nCumulativeCycles;
 
 			UINT ticks = ((UINT)cycleDelta) * 8;	// 125ns units
+#if 0
+			if (drive.m_phasePrecise == 12.0 && floppy.m_byte == 0x00003b53)
+			{
+//				if (rand() < RAND_THRESHOLD(5, 10))
+				{
+					UINT adj = 7;
+					if (ticks > adj)
+						ticks -= adj;
+				}
+			}
+#endif
 			DataLatchReadWOZFlux(pc, addr, ticks);
 		}
 
diff --git a/test/TestCPU6502/TestCPU6502.cpp b/test/TestCPU6502/TestCPU6502.cpp
index 8afe92c7..8027d980 100644
--- a/test/TestCPU6502/TestCPU6502.cpp
+++ b/test/TestCPU6502/TestCPU6502.cpp
@@ -5,6 +5,8 @@
 #include "../../source/Memory.h"
 #include "../../source/SynchronousEventManager.h"
 
+void LogOutput(const char* format, ...) {}
+
 // From Applewin.cpp
 bool g_bFullSpeed = false;
 enum AppMode_e g_nAppMode = MODE_RUNNING;