Hack around the assembler/disasssembler

Author: tomusdrw

package-lock.json

@@ -31,7 +31,7 @@
     "@typeberry/block": "0.0.1-447d5c4",
     "@typeberry/jam-host-calls": "0.0.1-459ce0b",
     "@typeberry/pvm-debugger-adapter": "0.1.0-83a3aec",
-    "@typeberry/spectool-wasm": "0.20.7",
+    "@typeberry/spectool-wasm": "0.20.8",
     "@uiw/react-codemirror": "^4.23.6",
     "blake2b": "^2.1.4",
     "class-variance-authority": "^0.7.0",

package.json

@@ -52,6 +52,8 @@ function assemblyFromInputProgram(initialState: InitialState, program: number[])
     // 4. `ecalli` instructions seem to have `// INVALID` comments next to them, but
     //    the assembler does not handle comments at all.
     // 5. disassembler produces unary minus (i.e. `r0 = -r7`), which isn't handled by the compiler.
+    // 6. disassembler produces <<r (rotate) which is not supported
+    // 7. diassembler produces only 32-bit representation of negative values `0xffffffff`
     const fixedLines: string[] = lines.map((l: string) => {
       // remove leading whitespace
       l = l.trim();
@@ -67,6 +69,10 @@ function assemblyFromInputProgram(initialState: InitialState, program: number[])
       l = l.replace("invalid", "// invalid");
       // set first block as entry point
       l = l.replace("@block0", "pub @main");
+      // replace rotate with shift (INCORRECT!)
+      l = l.replace("<<r", "<<").replace(">>r", ">>");
+      // replace large values with their 64-bit extensions (INCORRECT!; just for fib)
+      l = l.replace("0xffffffff", "0xffffffffffffffff");
       return l;
     });