checkpointstability-rewrite

1 files changed, 36 insertions, 0 deletions

diff --git a/Q1.core/Pipeline/Disassembler.cs b/Q1.core/Pipeline/Disassembler.cs
new file mode 100644
index 0000000..ae93e12
--- /dev/null
+++ b/Q1.core/Pipeline/Disassembler.cs
@@ -0,0 +1,36 @@
+namespace Q1.core.Pipeline;
+
+using Arch;
+using Arch.Lookups;
+
+public class Disassembler
+{
+    public StringWriter Disassemble(MemoryStream stream)
+    {
+            var reader = new BinaryReader(stream);
+            var writer = new StringWriter();
+            
+            while (reader.BaseStream.Position < reader.BaseStream.Length)
+            {
+                u16 instruction = reader.ReadUInt16();
+                InstructionEncoding.Decode(instruction, out u8 opcode, out u8 m1, out u8 m2, out bool word);
+                
+                var group = InstructionSet.Lookup[opcode];
+                (string name, int param) = (m1, m2) switch
+                {
+                    (0x00, 0x00) => (group.Implicit.Name, 0),
+                    (_, 0x00) => (group.SimpleAddressing.Name, 1),
+                    (0x00, 0x01) => (group.ExtendedImplicit.Name, 0),
+                    (_, _) => (group.ExtendedAddressing.Name, 2)
+                };
+                
+                writer.Write(name);
+                if (param == 1)
+                {
+                    
+                }
+            }
+    
+            return writer;
+    }
+}
\ No newline at end of file