1 files changed, 26 insertions, 0 deletions
diff --git a/Q1.core/IAddressable.cs b/Q1.core/IAddressable.cs
new file mode 100644
index 0000000..49a697e
--- /dev/null
+++ b/Q1.core/IAddressable.cs
@@ -0,0 +1,26 @@
+namespace Q1.core;
+
+public interface IAddressable
+{
+    public u8 Read(u16 address);
+    public void Write(u16 address, u8 value);
+    public void Clock();
+}
+
+public static class AddressableExtensions
+{
+    public static u16 ReadWord(this IAddressable bus, u16 address)
+    {
+        u8 high = bus.Read(address);
+        u8 low = bus.Read((u16)(address + 1));
+        return (u16)((high << 8) | low);
+    }
+    
+    public static void WriteWord(this IAddressable bus, u16 address, u16 value)
+    {
+        u8 high = (u8) (value      & 0xFF);
+        u8 low = (u8)((value >> 8) & 0xFF);
+        bus.Write(address, low);
+        bus.Write((u16)(address + 1), high);
+    }
+}
+\ No newline at end of file