Got most of the new memory architecture roughed out.

src/c/memory/psob.h

@@ -0,0 +1,30 @@
+/**
+ *  memory/psob.h
+ *
+ *  Paged space object of size class b, 2048 words total, 2046 words payload.
+ *
+ *  (c) 2026 Simon Brooke <simon@journeyman.cc>
+ *  Licensed under GPL version 2.0, or, at your option, any later version.
+ */
+
+#ifndef __psse_memory_psob_h
+#define __psse_memory_psob_h
+
+#include <stdint.h>
+
+#include "memory/header.h"
+
+/**
+ * @brief A paged space object of size class b, 2048 words total, 2046 words
+ * payload.
+ * 
+ */
+struct psob {
+    struct pso_header header;
+    union {
+        char[16368] bytes;
+         uint64_t[2046] words;
+    } payload;
+};
+
+#endif