diff --git a/Machines/Oric/Oric.cpp b/Machines/Oric/Oric.cpp
index ee93adf30..68c0da7bd 100644
--- a/Machines/Oric/Oric.cpp
+++ b/Machines/Oric/Oric.cpp
@@ -60,7 +60,12 @@ void Machine::configure_as_target(const StaticAnalyser::Target &target)
 
 void Machine::set_rom(ROM rom, const std::vector<uint8_t> &data)
 {
-	if(rom == BASIC11) _basic11 = std::move(data); else _basic10 = std::move(data);
+	switch(rom)
+	{
+		case BASIC11:	_basic11 = std::move(data);		break;
+		case BASIC10:	_basic10 = std::move(data);		break;
+		case Microdisc:	_microdisc = std::move(data);	break;
+	}
 }
 
 unsigned int Machine::perform_bus_operation(CPU6502::BusOperation operation, uint16_t address, uint8_t *value)
diff --git a/Machines/Oric/Oric.hpp b/Machines/Oric/Oric.hpp
index f469d7fba..559e4914b 100644
--- a/Machines/Oric/Oric.hpp
+++ b/Machines/Oric/Oric.hpp
@@ -52,7 +52,7 @@ enum Key: uint16_t {
 };
 
 enum ROM {
-	BASIC10, BASIC11
+	BASIC10, BASIC11, Microdisc
 };
 
 class Machine:
@@ -97,7 +97,7 @@ class Machine:
 
 	private:
 		// RAM and ROM
-		std::vector<uint8_t> _basic11, _basic10;
+		std::vector<uint8_t> _basic11, _basic10, _microdisc;
 		uint8_t _ram[65536], _rom[16384];
 		int _cycles_since_video_update;
 		inline void update_video();
diff --git a/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSOric.mm b/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSOric.mm
index 5fb0d188a..6a565abb4 100644
--- a/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSOric.mm	
+++ b/OSBindings/Mac/Clock Signal/Machine/Wrappers/CSOric.mm	
@@ -26,10 +26,12 @@
 	if(self)
 	{
 		NSData *basic10 = [self rom:@"basic10"];
-		NSData *basic11 = [self rom:@"basic11"];	// test108j
+		NSData *basic11 = [self rom:@"basic11"];
+		NSData *microdisc = [self rom:@"microdisc"];
 
-		if(basic10) _oric.set_rom(Oric::BASIC10, basic10.stdVector8);
-		if(basic11) _oric.set_rom(Oric::BASIC11, basic11.stdVector8);
+		if(basic10)		_oric.set_rom(Oric::BASIC10, basic10.stdVector8);
+		if(basic11)		_oric.set_rom(Oric::BASIC11, basic11.stdVector8);
+		if(microdisc)	_oric.set_rom(Oric::Microdisc, microdisc.stdVector8);
 	}
 	return self;
 }
diff --git a/StaticAnalyser/Oric/StaticAnalyser.cpp b/StaticAnalyser/Oric/StaticAnalyser.cpp
index e21b16052..c26de6550 100644
--- a/StaticAnalyser/Oric/StaticAnalyser.cpp
+++ b/StaticAnalyser/Oric/StaticAnalyser.cpp
@@ -112,6 +112,13 @@ void StaticAnalyser::Oric::AddTargets(
 		}
 	}
 
+	// trust that any disk supplied can be handled by the Microdisc. TODO: check.
+	if(!disks.empty())
+	{
+		target.oric.has_microdisc = true;
+		target.disks = disks;
+	}
+
 	// TODO: really this should add two targets if not all votes agree
 	target.oric.use_atmos_rom = basic11_votes >= basic10_votes;
 
diff --git a/StaticAnalyser/StaticAnalyser.hpp b/StaticAnalyser/StaticAnalyser.hpp
index 59e4bd550..6a2d2e0e3 100644
--- a/StaticAnalyser/StaticAnalyser.hpp
+++ b/StaticAnalyser/StaticAnalyser.hpp
@@ -52,6 +52,7 @@ struct Target {
 
 		struct {
 			bool use_atmos_rom;
+			bool has_microdisc;
 		} oric;
 	};