From 3b02b934d8c0e5334c858381c586046faee9e230 Mon Sep 17 00:00:00 2001
From: Aryadev Chavali <aryadev@aryadevchavali.com>
Date: Fri, 20 Mar 2026 03:14:02 +0000
Subject: [PATCH] some cleanup and changes

---
 src/base.h       | 4 ++--
 src/bf.c         | 8 --------
 src/simulation.c | 5 +++--
 3 files changed, 5 insertions(+), 12 deletions(-)

diff --git a/src/base.h b/src/base.h
index 3cc23c4..dff24a5 100644
--- a/src/base.h
+++ b/src/base.h
@@ -36,7 +36,7 @@ typedef double f64;
 // Simulation constants
 #define SIZEOF_PROGRAM_POW_2 6
 #define SIZEOF_PROGRAM       (1 << SIZEOF_PROGRAM_POW_2)
-#define NUM_PROGRAMS_POW_2   10
+#define NUM_PROGRAMS_POW_2   12
 #define NUM_PROGRAMS         (1 << NUM_PROGRAMS_POW_2)
 
 #define SIMULATION_SIZE     (NUM_PROGRAMS * SIZEOF_PROGRAM)
@@ -49,7 +49,7 @@ typedef double f64;
 
 #define MUTATION_CHANCE (SIMULATION_SIZE)
 
-#define DRAW_PROGRAM_OUTLINE 1
+#define DRAW_PROGRAM_OUTLINE 0
 
 #endif
 
diff --git a/src/bf.c b/src/bf.c
index a7d521a..ce86878 100644
--- a/src/bf.c
+++ b/src/bf.c
@@ -105,10 +105,6 @@ void program_execute(struct ProgramConcat *prg)
     switch (opcode)
     {
     case '<':
-      // NOTE: We're doing a safe subtraction here, but maybe we should
-      // terminate execution if subtraction will overflow?
-      // ctx.head0 = SAFE_SUB(ctx.head0, 1);
-
       ctx.head0 -= 1;
       ctx.head0 %= sizeof(prg->tape);
       ++ctx.ip;
@@ -118,10 +114,6 @@ void program_execute(struct ProgramConcat *prg)
       ++ctx.ip;
       break;
     case '{':
-      // NOTE: We're doing a safe subtraction here, but maybe we should
-      // terminate execution if subtraction will overflow?
-      // ctx.head1 = SAFE_SUB(ctx.head1, 1);
-
       ctx.head1 -= 1;
       ctx.head1 %= sizeof(prg->tape);
       ++ctx.ip;
diff --git a/src/simulation.c b/src/simulation.c
index 2761fce..a404d72 100644
--- a/src/simulation.c
+++ b/src/simulation.c
@@ -45,6 +45,7 @@ void simulation_iterate(simulation_t *sim)
   {
     a_b_concat = calloc(1, sizeof(*a_b_concat));
   }
+  // Ensure a_b_concat is completely zeroed
   memset(a_b_concat, 0, sizeof(*a_b_concat));
 
   // Reaction: Concat, execute, split.
@@ -155,7 +156,7 @@ void simulation_pick_rng_neighbour(u64 *a, u64 *b)
   *b = neighbours[rand() % size];
 }
 
-static char *VALID_OPS               = "<>{}-+.,[]";
+static const char *VALID_OPS         = "<>{}-+.,[]";
 static const Color possible_colors[] = {
     ['<'] = {230, 25, 75, 255},  ['>'] = {60, 180, 75, 255},
     ['{'] = {255, 225, 25, 255}, ['}'] = {0, 130, 200, 255},
@@ -167,7 +168,7 @@ static const Color possible_colors[] = {
 
 Color simulation_cell_color(const bf_token cell)
 {
-  return possible_colors[strchr(VALID_OPS, cell) ? cell : '\0'];
+  return possible_colors[(!!strchr(VALID_OPS, (u8)cell)) * cell];
 }
 
 /* Copyright (C) 2026 Aryadev Chavali