Allow imm b.

valida-xyz · Jan 9, 2024 · 2dc88b5 · 2dc88b5
1 parent 9523f6e
commit 2dc88b5
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/alu_u32/src/lt/mod.rs b/alu_u32/src/lt/mod.rs
@@ -127,7 +127,12 @@ where
         let mut imm: Option<Word<u8>> = None;
         let read_addr_1 = (state.cpu().fp as i32 + ops.b()) as u32;
         let write_addr = (state.cpu().fp as i32 + ops.a()) as u32;
-        let src1 = state.mem_mut().read(clk, read_addr_1, true, pc, opcode, 0, "");
+        let src1 = if ops.d() == 1 {
+            let b = (ops.b() as u32).into();
+            imm = Some(b);
+            b
+        } else {state.mem_mut().read(clk, read_addr_1, true, pc, opcode, 0, "")
+        };
         let src2 = if ops.is_imm() == 1 {
             let c = (ops.c() as u32).into();
             imm = Some(c);