Use one less buffer via the kn_open change
This is still iffy so I may well undo the lot and abandon the idea
of a level 0 port
#define TTYDEV BOOT_TTY /* Device used by kernel for messages, panics */
#define SWAPDEV (256 + 1) /* Device for swapping. (z80pack drive J) */
-#define NBUFS 5 /* Number of block buffers */
+#define NBUFS 4 /* Number of block buffers */
#define NMOUNTS 2 /* Number of mounts at a time */
#define platform_discard()
-i fuzix.ihx
-b _INITIALIZER=0x1000
-b _DISCARD=0x5000
--b _UDATA=0x5D00
--b _CODE=0x6000
+-b _UDATA=0x6D00
+-b _CODE=0x7000
-l z80
platform-micropack/crt0.rel
platform-micropack/commonmem.rel