diff --git a/InstructionSets/x86/Implementation/PerformImplementation.hpp b/InstructionSets/x86/Implementation/PerformImplementation.hpp
index ba58f397d..2643aab21 100644
--- a/InstructionSets/x86/Implementation/PerformImplementation.hpp
+++ b/InstructionSets/x86/Implementation/PerformImplementation.hpp
@@ -661,6 +661,25 @@ void inc(IntT &destination, Status &status) {
 	status.auxiliary_carry = ((destination - 1) ^ destination) & 0x10;
 }
 
+template <typename IntT, typename RegistersT, typename FlowControllerT>
+inline void jump(bool condition, IntT displacement, RegistersT &registers, FlowControllerT &flow_controller) {
+	/*
+		IF condition
+			THEN
+				EIP ← EIP + SignExtend(DEST);
+				IF OperandSize = 16
+					THEN
+						EIP ← EIP AND 0000FFFFH;
+				FI;
+		FI;
+	*/
+
+	// TODO: proper behaviour in 32-bit.
+	if(condition) {
+		flow_controller.jump(registers.ip() + displacement);
+	}
+}
+
 template <typename IntT>
 void dec(IntT &destination, Status &status) {
 	/*
@@ -900,6 +919,119 @@ template <
 			Primitive::call_far<model>(instruction, flow_controller, registers, memory);
 		return;
 
+		case Operation::JO:
+			Primitive::jump(
+				status.condition<Status::Condition::Overflow>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JNO:
+			Primitive::jump(
+				!status.condition<Status::Condition::Overflow>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JB:
+			Primitive::jump(
+				status.condition<Status::Condition::Below>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JNB:
+			Primitive::jump(
+				!status.condition<Status::Condition::Below>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JZ:
+			Primitive::jump(
+				status.condition<Status::Condition::Zero>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JNZ:
+			Primitive::jump(
+				!status.condition<Status::Condition::Zero>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JBE:
+			Primitive::jump(
+				status.condition<Status::Condition::BelowOrEqual>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JNBE:
+			Primitive::jump(
+				!status.condition<Status::Condition::BelowOrEqual>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JS:
+			Primitive::jump(
+				status.condition<Status::Condition::Sign>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JNS:
+			Primitive::jump(
+				!status.condition<Status::Condition::Sign>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JP:
+			Primitive::jump(
+				!status.condition<Status::Condition::ParityOdd>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JNP:
+			Primitive::jump(
+				status.condition<Status::Condition::ParityOdd>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JL:
+			Primitive::jump(
+				status.condition<Status::Condition::Less>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JNL:
+			Primitive::jump(
+				!status.condition<Status::Condition::Less>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JLE:
+			Primitive::jump(
+				status.condition<Status::Condition::LessOrEqual>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+		case Operation::JNLE:
+			Primitive::jump(
+				!status.condition<Status::Condition::LessOrEqual>(),
+				instruction.displacement(),
+				registers,
+				flow_controller);
+		break;
+
 		case Operation::CLC:	Primitive::clc(status);				return;
 		case Operation::CLD:	Primitive::cld(status);				return;
 		case Operation::CLI:	Primitive::cli(status);				return;
diff --git a/OSBindings/Mac/Clock SignalTests/8088Tests.mm b/OSBindings/Mac/Clock SignalTests/8088Tests.mm
index e0f929e15..0c3134854 100644
--- a/OSBindings/Mac/Clock SignalTests/8088Tests.mm	
+++ b/OSBindings/Mac/Clock SignalTests/8088Tests.mm	
@@ -220,6 +220,10 @@ class FlowController {
 			registers_.ip_ = offset;
 		}
 
+		void jump(uint16_t address) {
+			registers_.ip_ = address;
+		}
+
 		void halt() {}
 		void wait() {}
 
@@ -323,20 +327,35 @@ struct FailedExecution {
 		@"F6.7.json.gz",	@"F7.7.json.gz",*/
 
 		// INC
-		@"40.json.gz",	@"41.json.gz",	@"42.json.gz",	@"43.json.gz",
-		@"44.json.gz",	@"45.json.gz",	@"46.json.gz",	@"47.json.gz",
-		@"FE.0.json.gz",
-		@"FF.0.json.gz",
+//		@"40.json.gz",	@"41.json.gz",	@"42.json.gz",	@"43.json.gz",
+//		@"44.json.gz",	@"45.json.gz",	@"46.json.gz",	@"47.json.gz",
+//		@"FE.0.json.gz",
+//		@"FF.0.json.gz",
 
 		// DEC
-		@"48.json.gz",	@"49.json.gz",	@"4A.json.gz",	@"4B.json.gz",
-		@"4C.json.gz",	@"4D.json.gz",	@"4E.json.gz",	@"4F.json.gz",
-		@"FE.1.json.gz",
-		@"FF.1.json.gz",
+//		@"48.json.gz",	@"49.json.gz",	@"4A.json.gz",	@"4B.json.gz",
+//		@"4C.json.gz",	@"4D.json.gz",	@"4E.json.gz",	@"4F.json.gz",
+//		@"FE.1.json.gz",
+//		@"FF.1.json.gz",
 
 		// TODO: IN, OUT
 
-		// TODO: JO, JNO, JB, JNB, JZ, JNZ, JBE, JNBE, JS, JNS, JP, JNP, JL, JNL, JLE, JNLE,
+		@"70.json.gz",	// JO
+		@"71.json.gz",	// JNO
+		@"72.json.gz",	// JB
+		@"73.json.gz",	// JNB
+		@"74.json.gz",	// JZ
+		@"75.json.gz",	// JNZ
+		@"76.json.gz",	// JBE
+		@"77.json.gz",	// JNBE
+		@"78.json.gz",	// JS
+		@"79.json.gz",	// JNS
+		@"7A.json.gz",	// JP
+		@"7B.json.gz",	// JNP
+		@"7C.json.gz",	// JL
+		@"7D.json.gz",	// JNL
+		@"7E.json.gz",	// JLE
+		@"7F.json.gz",	// JNLE
 
 		// CALL
 /*		@"E8.json.gz",	@"FF.2.json.gz",