removed p! and p@ and added 'mem' that just pushes the addr os the persistent memory on to the stack and than you can write/read using standard ! and @ nd write at an offset uaing pointer arithmetic

mem.sl

@@ -1,36 +1,8 @@
 import stdlib/stdlib.sl
 import stdlib/io.sl
+import stdlib/debug.sl
 
-: alloc
-    0      # addr hint (NULL)
-    swap   # size
-    3      # prot (PROT_READ | PROT_WRITE)
-    34     # flags (MAP_PRIVATE | MAP_ANON)
-    -1     # fd
-    0      # offset
-    mmap
+: main
+	mem dup 5 swap !
+	@ puti cr
 ;
-
-: free
-    munmap drop
-;
-
-: test-mem-alloc
-    4096 alloc dup 1337 swap !   # allocate 4096 bytes, store 1337 at start
-    dup @ puti cr                # print value at start
-    4096 free                    # free the memory
-;
-
-struct: Point
-    field x 8
-    field y 8
-;struct
-
-: main2
-    32 alloc           # allocate 32 bytes (enough for a Point struct)
-    dup 111 swap Point.x!
-    dup 222 swap Point.y!
-    dup Point.x@ puti cr
-    Point.y@ puti cr
-    32 free            # free the memory
-;