commit 7b6280bf7a581a8bf7dc656a239663cc4ef4b4b3
Author: Colin <lianghongkey@gmail.com>
Date:   Sat Nov 8 14:38:49 2025 +0000

    Add isa1

diff --git a/isa1.py b/isa1.py
new file mode 100644
index 0000000..99e7125
--- /dev/null
+++ b/isa1.py
@@ -0,0 +1,25 @@
+class field:
+    len: int = 0
+    bits: int = 0
+
+
+class instruction:
+    name: str = ""
+    extention: str = ""
+    fields: list[field] = []
+
+
+class rv64i(instruction):
+    pass
+
+
+class sync(instruction):
+    pass
+
+
+class vector(instruction):
+    pass
+
+
+class dma(instruction):
+    pass