From b152a69f814cf9048b5fae7673fd0c7fbabe7d12 Mon Sep 17 00:00:00 2001
From: Plopez <iespaulopez@gmail.com>
Date: Fri, 27 Jan 2023 01:50:30 +0100
Subject: [PATCH] Implement basic I/O devices.

---
 samples/test.siso                          |  1 -
 src/module-info.java                       |  5 +++
 src/sisc/Computer.java                     |  5 ++-
 src/sisc/devices/TerminalInput.java        | 44 ++++++++++++++++++++++
 src/sisc/devices/TerminalNumberOutput.java | 29 ++++++++++++++
 5 files changed, 82 insertions(+), 2 deletions(-)
 delete mode 100644 samples/test.siso
 create mode 100644 src/sisc/devices/TerminalInput.java
 create mode 100644 src/sisc/devices/TerminalNumberOutput.java

diff --git a/samples/test.siso b/samples/test.siso
deleted file mode 100644
index 7182fca..0000000
--- a/samples/test.siso
+++ /dev/null
@@ -1 +0,0 @@
-¹
diff --git a/src/module-info.java b/src/module-info.java
index 79b6d70..737d181 100644
--- a/src/module-info.java
+++ b/src/module-info.java
@@ -1,5 +1,7 @@
 import sisc.api.io.InputDevice;
 import sisc.api.io.OutputDevice;
+import sisc.devices.TerminalInput;
+import sisc.devices.TerminalNumberOutput;
 
 /**
  * @author plopez
@@ -11,4 +13,7 @@
 	uses OutputDevice;
 
 	exports sisc.api.io;
+	
+	provides OutputDevice with TerminalNumberOutput;
+	provides InputDevice with TerminalInput;
 }
diff --git a/src/sisc/Computer.java b/src/sisc/Computer.java
index f948f60..7369443 100644
--- a/src/sisc/Computer.java
+++ b/src/sisc/Computer.java
@@ -6,6 +6,8 @@
 
 import static sisc.instructions.Instructions.*;
 
+import java.util.Arrays;
+
 public class Computer {
 	private final Memory memory = new Memory();
 	private final InstructionStorage instructions;
@@ -33,7 +35,8 @@ public void run() {
 		System.out.println("Contents: " + instructions);
 		
 		while (true) {
-            System.out.println("PC addr: " + PC.peekStr());
+            //System.out.println("PC addr: " + PC.peekStr());
+			//System.out.println(Arrays.toString(RegFile.REGS));
 			runNext();
 		}
 	}
diff --git a/src/sisc/devices/TerminalInput.java b/src/sisc/devices/TerminalInput.java
new file mode 100644
index 0000000..1f92ee0
--- /dev/null
+++ b/src/sisc/devices/TerminalInput.java
@@ -0,0 +1,44 @@
+package sisc.devices;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+import sisc.api.io.InputDevice;
+import sisc.api.io.InputPair;
+
+public class TerminalInput implements InputDevice {
+	private boolean closed;
+	@Override
+	public void start(InputPair pair) {
+		pair.connectTo(2, 16, 3);
+		InputStreamReader reader = new InputStreamReader(System.in);
+		BufferedReader bReader = new BufferedReader(reader);
+		
+		while (!closed) {
+			try {
+				pair.offer((short)Short.parseShort(bReader.readLine()));
+			} catch (IOException e) {
+				throw new AssertionError();
+			}
+		}
+	}
+
+	@Override
+	public void onClose() {
+		// haha yes. This doesn't work because reader.read waits indefinitely for input.
+		// would need to do some kind-of active wait, or just set ourselves as daemon somehow
+		// edit: done this is now a daemon thread
+		closed = true;
+	}
+
+	@Override
+	public String name() {
+		return "Console";
+	}
+	
+	@Override
+	public void configure(Thread t) {
+		t.setDaemon(true);
+	}
+}
diff --git a/src/sisc/devices/TerminalNumberOutput.java b/src/sisc/devices/TerminalNumberOutput.java
new file mode 100644
index 0000000..c11af59
--- /dev/null
+++ b/src/sisc/devices/TerminalNumberOutput.java
@@ -0,0 +1,29 @@
+package sisc.devices;
+
+import sisc.api.io.OutputDevice;
+import sisc.api.io.OutputPair;
+
+public class TerminalNumberOutput implements OutputDevice {
+
+	@Override
+	public void start(OutputPair pair) {
+		// TODO Auto-generated method stub
+		pair.connectTo(0, 50, 1);
+		while (true) {
+			System.out.println(pair.recieve());
+		}
+	}
+
+	@Override
+	public void onClose() {
+		// TODO Auto-generated method stub
+		
+	}
+
+	@Override
+	public String name() {
+		// TODO Auto-generated method stub
+		return "Terminal";
+	}
+ 
+}