1 files changed, 97 insertions, 0 deletions
diff --git a/nandgame/cpp/Vcomputer__main.cpp b/nandgame/cpp/Vcomputer__main.cpp
new file mode 100644
index 0000000..77e291f
--- /dev/null
+++ b/nandgame/cpp/Vcomputer__main.cpp
@@ -0,0 +1,97 @@
+// Verilated -*- C++ -*-
+// DESCRIPTION: Verilator output: main() simulation loop, created with --main
+
+#include "simpc_config.h"
+#include "simpc_types.h"
+#include "simpc_ui.h"
+
+#include "Vcomputer.h"
+#include "Vcomputer___024root.h"
+#include "Vcomputer_computer.h"
+#include "Vcomputer_my_mem__D10_DB10000.h"
+#include "verilated.h"
+#include <cstdio>
+#include <sched.h>
+
+//======================
+
+int main(int argc, char **argv, char **) {
+
+  // Setup context, defaults, and parse command line
+  Verilated::debug(0);
+  const std::unique_ptr<VerilatedContext> contextp{new VerilatedContext};
+  Verilated::traceEverOn(true);
+  contextp->threads(1);
+  contextp->commandArgs(argc, argv);
+
+  // Construct the Verilated model, from Vtop.h generated from Verilating
+  const std::unique_ptr<Vcomputer> topp{new Vcomputer{contextp.get(), ""}};
+
+  if (argc != 2) {
+    fprintf(stderr, "Usage: %.20s [filename]\n\n", argv[0]);
+    exit(-1);
+  }
+
+  puts("Start simulation.");
+  // topp->computer->clk_in = 0;
+  topp->clk_in = 0;
+  FILE *f = fopen(argv[1], "rb");
+  if (!f) {
+    fprintf(stderr, "Program file %.20s not found.\n", argv[1]);
+    exit(-1);
+  }
+  fseek(f, 0, SEEK_END);
+  long fpos = ftell(f);
+  fseek(f, 0, SEEK_SET);
+  size_t bytes_read =
+      fread(topp->computer->ROM->r_datastore.m_storage, 2, fpos / 2, f);
+
+  if (bytes_read * 2 != fpos) {
+    fputs("Couldn't read program file completely.", stderr);
+    exit(-1);
+  }
+
+  simpc_ui_init();
+
+  while (VL_LIKELY(!contextp->gotFinish()) && contextp->time() < 500 &&
+         !topp->halt) {
+    auto i = contextp->time();
+
+    if (i != 0 && (i % TICKS_PER_INS) == 0) {
+      topp->clk_in = !topp->clk_in;
+    }
+
+    simpc_ui_write(topp, i, StepPosition_t::BEFORE_EVAL);
+
+    // Evaluate model
+    topp->eval();
+
+    simpc_ui_write(topp, i, StepPosition_t::AFTER_EVAL);
+
+    // Advance time
+    contextp->timeInc(1);
+    i++;
+  }
+
+  simpc_ui_finish_message(contextp, topp);
+
+  if (VL_LIKELY(!contextp->gotFinish())) {
+    VL_DEBUG_IF(VL_PRINTF("+ Exiting without $finish; no events left\n"););
+  }
+
+  // for tracefile to properly show
+  for (int i = 0; i < 10; i++) {
+    contextp->timeInc(1);
+    topp->eval();
+  }
+  // Execute 'final' processes
+  topp->final();
+
+  // Print statistical summary report
+  // contextp->statsPrintSummary();
+
+  simpc_ui_confirm_finish();
+  simpc_ui_cleanup();
+
+  return 0;
+}