cxxrtl: update help text.

diff --git a/backends/cxxrtl/cxxrtl_backend.cc b/backends/cxxrtl/cxxrtl_backend.cc
index 91466b2387f2fbf65f9fe690625ae32821dfe70b..5e5ba5ac0f04f3b7f58b2b64eadc96ff4b821b46 100644 (file)
--- a/backends/cxxrtl/cxxrtl_backend.cc
+++ b/backends/cxxrtl/cxxrtl_backend.cc
@@ -2349,9 +2349,9 @@ struct CxxrtlBackend : public Backend {
                log("      top.step();\n");
                log("      while (1) {\n");
                log("        /* user logic */\n");
-               log("        top.p_clk = value<1> {0u};\n");
+               log("        top.p_clk.set(false);\n");
                log("        top.step();\n");
-               log("        top.p_clk = value<1> {1u};\n");
+               log("        top.p_clk.set(true);\n");
                log("        top.step();\n");
                log("      }\n");
                log("    }\n");