From ac6e31c8dec676be7c22977cff7ff5a9a937a7ed Mon Sep 17 00:00:00 2001
From: uvok
Date: Tue, 13 Jan 2026 20:47:13 +0100
Subject: Create errorinstruction from instruction

---
 nandgame/assembler/parsetypes.py | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/nandgame/assembler/parsetypes.py b/nandgame/assembler/parsetypes.py
index 8ebb206..ccc1101 100644
--- a/nandgame/assembler/parsetypes.py
+++ b/nandgame/assembler/parsetypes.py
@@ -1,20 +1,26 @@
 from dataclasses import dataclass
 from typing import Any
 
+
 @dataclass
 class Symbol:
     """Define a symbol"""
+
     name: str
 
+
 @dataclass
 class Register:
     """Define a source or dest register"""
+
     name: str
 
+
 @dataclass
 class LinedElement:
     lineno: int
 
+
 @dataclass
 class Instruction(LinedElement):
     opcode: str
@@ -23,10 +29,34 @@ class Instruction(LinedElement):
     arg1: Any
     arg2: Any
 
+    @property
+    def num_args(self) -> int:
+        if not self.dest:
+            return 0
+        if not self.arg1:
+            return 1
+        if not self.arg2:
+            return 2
+        return 3
+
+
 @dataclass
 class ErrorInstruction(Instruction):
     error_message: str
 
+    @staticmethod
+    def from_instruction(i: Instruction, error_message: str):
+        return ErrorInstruction(
+            lineno=i.lineno,
+            opcode=i.opcode,
+            jumptarget=i.jumptarget,
+            dest=i.dest,
+            arg1=i.arg1,
+            arg2=i.arg2,
+            error_message=error_message,
+        )
+
+
 @dataclass
 class JumpTarget(LinedElement):
     label: str
-- 
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