Add: conway game (basic) but flickers?

src/libc/crypto.c

@@ -1,4 +1,5 @@
 #include "crypto.h"
+#include "../libc/stdint.h"
 
 int lcg(int seed)
 {
@@ -22,3 +23,21 @@ int randint(int seed)
 	int x = lcg(seed);
 	return x;
 }
+
+static uint32_t next = 1;
+
+uint32_t rand()
+{
+	next = next * 1103515245 + 12345;
+	return (next/65536) % 32768;
+}
+
+float rand_float()
+{
+	return rand() / 32767.0f;
+}
+
+void srand(uint32_t seed)
+{
+	next = seed;
+}

src/libc/crypto.h

@@ -3,7 +3,12 @@
 
 #define RAND_MAX 1024
 
+#include "../libc/stdint.h"
+
 int lcg(int seed);
 int randint(int seed);
+uint32_t rand();
+float rand_float();
+void srand(uint32_t seed);
 
 #endif