From b9d243552c7b8f020763929f27fbcb824b62d27e Mon Sep 17 00:00:00 2001
From: Thomas Harte <thomas.harte@gmail.com>
Date: Fri, 29 Apr 2022 11:22:06 -0400
Subject: [PATCH] MOVEs don't read from operand 2.

---
 InstructionSets/M68k/Sequence.cpp | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/InstructionSets/M68k/Sequence.cpp b/InstructionSets/M68k/Sequence.cpp
index 0471759da..8229f21e7 100644
--- a/InstructionSets/M68k/Sequence.cpp
+++ b/InstructionSets/M68k/Sequence.cpp
@@ -38,9 +38,14 @@ template<Model model> uint16_t Sequence<model>::steps_for(Operation operation) {
 		case Operation::SUBb: 	case Operation::SUBw: 	case Operation::SUBl:
 		case Operation::SUBAw:	case Operation::SUBAl:
 		case Operation::SUBXb: 	case Operation::SUBXw: 	case Operation::SUBXl:
+		return Steps< Step::FetchOp1, Step::FetchOp2, Step::Perform, Step::StoreOp2 >::value;
+
+		//
+		// Two operand, read-write.
+		//
 		case Operation::MOVEb: 	case Operation::MOVEw: 	case Operation::MOVEl:
 		case Operation::MOVEAw:	case Operation::MOVEAl:
-		return Steps< Step::FetchOp1, Step::FetchOp2, Step::Perform, Step::StoreOp2 >::value;
+		return Steps< Step::FetchOp1, Step::Perform, Step::StoreOp2 >::value;
 	}
 }