simulation split out from main

src/simulation.c

@@ -0,0 +1,53 @@
+/* simulation.c: Simulation implementation
+ * Created: 2026-03-10
+ * Author: Aryadev Chavali
+ * License: See end of file
+ */
+
+#include <stdlib.h>
+
+#include "simulation.h"
+
+void simulation_init(struct Simulation *sim)
+{
+  for (u64 i = 0; i < SIMULATION_SIZE / sizeof(u16); ++i)
+  {
+    ((u16 *)(sim->buffer))[i] = rand() % UINT16_MAX;
+  }
+}
+
+void simulation_pick(struct Simulation *sim)
+{
+  sim->p1 = rand() % (SIMULATION_SIZE / SIZEOF_PROGRAM);
+  sim->p2 = rand() % (SIMULATION_SIZE / SIZEOF_PROGRAM);
+  while (sim->p1 * 8 <= ((sim->p2 * 8) + SIZEOF_PROGRAM) &&
+         sim->p2 * 8 <= ((sim->p1 * 8) + SIZEOF_PROGRAM))
+  {
+    sim->p2 = rand() % (SIMULATION_SIZE / SIZEOF_PROGRAM);
+  }
+}
+
+void simulation_update(struct Simulation *sim)
+{
+  simulation_pick(sim);
+  sv_t a = SV(sim->buffer + (sim->p1 * SIZEOF_PROGRAM), 64);
+  sv_t b = SV(sim->buffer + (sim->p2 * SIZEOF_PROGRAM), 64);
+
+  struct ProgramConcat prog_concat = {0};
+  program_concat(&prog_concat, a, b);
+  program_execute(&prog_concat);
+  program_split(&prog_concat);
+}
+
+/* Copyright (C) 2026 Aryadev Chavali
+
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License Version 2 for
+ * details.
+
+ * You may distribute and modify this code under the terms of the GNU General
+ * Public License Version 2, which you should have received a copy of along with
+ * this program.  If not, please go to <https://www.gnu.org/licenses/>.
+
+ */