@@ -0,0 +1,1 @@ 
+3301

@@ -1,5 +1,11 @@ 
 ## Changelog
 
+### v330-1 — 2026-07-31
+
+#### Fixes
+
+- Fixed portability issues on macOS.
+
 ### v320-1 — 2026-07-30
 
 #### New Features

@@ -1,6 +1,6 @@ 
 CC = gcc
-CFLAGS = -Wall -Wextra -g -Os -ffunction-sections -fdata-sections
-LDFLAGS = -Wl,--gc-sections -s
+CFLAGS = -Wall -Wextra -g -Os
+LDFLAGS = -Wl
 
 SOURCES = xyw.c xywasm.c xywrun.c devices/system.c devices/terminal.c devices/clock.c devices/file.c devices/beeper.c
 OBJS = xyw.o xywasm.o xywrun.o devices/system.o devices/terminal.o devices/clock.o devices/file.o devices/beeper.o

@@ -162,8 +162,26 @@ if (ms > 0)
                         Sleep(ms);
                 }
 #else
+                // clock_nanosleep(TIMER_ABSTIME) isn't implemented on Darwin,
+                // so compute the remaining time and use relative nanosleep there.
+#ifdef __APPLE__
+                {
+                    struct timespec now;
+                    clock_gettime(CLOCK_MONOTONIC, &now);
+                    long long ns = (clock_timer_target.tv_sec - now.tv_sec) * 1000000000LL +
+                                   (clock_timer_target.tv_nsec - now.tv_nsec);
+                    if (ns > 0)
+                    {
+                        struct timespec req;
+                        req.tv_sec = ns / 1000000000LL;
+                        req.tv_nsec = ns % 1000000000LL;
+                        nanosleep(&req, NULL);
+                    }
+                }
+#else
                 // Use clock_nanosleep with absolute target time for precision
                 clock_nanosleep(CLOCK_MONOTONIC, TIMER_ABSTIME, &clock_timer_target, NULL);
+#endif
 #endif
                 // After sleep, update timer state
                 clock_get_timer_value();

@@ -99,11 +99,27 @@ 
   need_file "$EXAMPLES_DIR/$img_basename"
 
   local run_log="$TMPDIR/run.${img_basename}.log"
-  #if ! (cd "$EXAMPLES_DIR" && "$xyw_bin" "$img_basename" "${run_args[@]}" </dev/null >"$out_file" 2>"$run_log"); then
-  if ! (cd "$EXAMPLES_DIR" && "$xyw_bin" "$img_basename" "${run_args[@]}" >"$out_file" 2>"$run_log"); then
-    dump_file_if_exists "Runtime stderr" "$run_log"
-    dump_file_if_exists "Runtime stdout" "$out_file"
-    fail "Execution failed for $img_basename"
+
+  if ((${#run_args[@]})); then
+    if ! (
+      cd "$EXAMPLES_DIR" &&
+      "$xyw_bin" "$img_basename" "${run_args[@]}" \
+        >"$out_file" 2>"$run_log"
+    ); then
+      dump_file_if_exists "Runtime stderr" "$run_log"
+      dump_file_if_exists "Runtime stdout" "$out_file"
+      fail "Execution failed for $img_basename"
+    fi
+  else
+    if ! (
+      cd "$EXAMPLES_DIR" &&
+      "$xyw_bin" "$img_basename" \
+        >"$out_file" 2>"$run_log"
+    ); then
+      dump_file_if_exists "Runtime stderr" "$run_log"
+      dump_file_if_exists "Runtime stdout" "$out_file"
+      fail "Execution failed for $img_basename"
+    fi
   fi
 }
 
@@ -210,8 +226,12 @@ img_basename="$(assemble_in_examples_dir "$XYW_BIN" "$src_basename")"
 
   local raw_out="$TMPDIR/${src_basename%.xyw}.raw"
   local norm_out="$TMPDIR/${src_basename%.xyw}.norm"
-
-  run_image_capture_stdout "$XYW_BIN" "$img_basename" "$raw_out" "${run_args[@]}"
+  
+  if ((${#run_args[@]})); then
+    run_image_capture_stdout "$XYW_BIN" "$img_basename" "$raw_out" "${run_args[@]}"
+  else
+    run_image_capture_stdout "$XYW_BIN" "$img_basename" "$raw_out"
+  fi
   normalize_crlf "$raw_out" "$norm_out"
 
   "$assert_fn" "$norm_out" "${assert_args[@]}"

@@ -1,7 +1,7 @@ 
 #ifndef XYW_H
 #define XYW_H
 
-#define XYW_VERSION 0x3201
+#define XYW_VERSION 0x3301
 
 // Registers and memory
 #define XYW_MODE_X 0x80

@@ -336,13 +336,6 @@ ptr += 2;
     bytes_written += 2;
 }
 
-// Encode a push instruction
-static inline void push(xyw_word val)
-{
-    (val > 0xff) ? append(PSH | XYW_MODE_W) : append(PSH);
-    append(val);
-}
-
 // Store macro definition in dictionary
 static int macro(xyw_context *ctx, char *name, char *contents)
 {