added note about "ssty sane"

readme.md

@@ -172,6 +172,8 @@ https://invisible-island.net/xterm/ctlseqs/ctlseqs.html
 https://learn.microsoft.com/en-us/windows/console/
 
 ## bugs
+- If Enter key doesn't work as expected on linux, write `stty sane` to `~/.profile`. 
+  It will change terminal settings from insane to sane xD
 - Double buffering is still new, set ENABLE_DBUF to 0 if you see glitches
 - Double width characters like 彁 are not fully supported. Terminals do not
   handle these consistently and there is no portable way to reliably

src/loop.c

@@ -7,10 +7,12 @@ TimState* tim = NULL;
 static void tim_init(void){
     tim = (TimState*)malloc(sizeof(TimState));
     memset(tim, 0, sizeof(TimState));
-    size_t cdb_size = (TIM_MAX_CELLS << TIM_ENABLE_DBUF);
-    tim->cells_double_buf = (TimCell*)malloc(cdb_size * sizeof(TimCell));
+    size_t cdb_size = (TIM_MAX_CELLS << TIM_ENABLE_DBUF) * sizeof(TimCell);
+    tim->cells_double_buf = (TimCell*)malloc(cdb_size);
+    memset(tim->cells_double_buf, 0, cdb_size);
     tim->cells = tim->cells_double_buf;
     tim->buf = (char*)malloc(TIM_MAX_BUF);
+    memset(tim->buf, 0, TIM_MAX_BUF);
 }
 
 static void tim_deinit(void){

src/unix.c

@@ -65,6 +65,7 @@ void tim_reset_terminal(void) {
     tcsetattr(STDOUT_FILENO, TCSADRAIN, &tim->attr); // restore attributes
     tim_write_str(S("\33[?1000l"));                     // disable mouse
     tim_write_str(S("\33[?1002l"));                     // disable mouse
+    tim_write_str(S("\33[?1006l"));                     // disable mouse
     tim_write_str(S("\33[m"));                          // reset colors
     tim_write_str(S("\33[?25h"));                       // show cursor
     tim_write_str(S("\33[?1049l"));                     // exit alternate buffer