Assembler Completed

Added the Assembler.
Added instructions for the assembler to README.md
Added Assembler Manual
Modified Makefile to build the Assembler.

Source/Emulator/io.c

@@ -0,0 +1,37 @@
+// io.c
+// I/O for the SplitBit CPU Emulator
+// Written by Anachronaut
+// 10/16/2024
+
+#include "io.h"
+#include <stdio.h>
+
+uint8_t OutputHandler(uint8_t DataByte, uint8_t Address) {
+    // This function sends the DataByte to the appropriate place based on the Port Address.
+    switch(Address) {
+        case 0x00:
+            // If data is sent here, it should be written to STDOUT.
+            // For now, I'll implement this so it simply writes each byte out as it comes in.
+            // Later, I'll want to use a buffer for this for performance, probably.
+            putchar(DataByte);
+        break;
+        default:
+            // Writes to unused Output Ports are ignored.
+            return 1;
+        break;
+    }
+    return 0;
+}
+
+uint8_t InputHandler(uint8_t Address) {
+    switch(Address) {
+        case 0x00:
+            // If data is sent here, it should be read from STDIN.
+            return getchar();
+        break;
+        default:
+            // Reading from an unused port is ignored.
+            return 0;
+        break;
+    }
+}