INSTANCE VARIABLE #reserved-sectors
INSTANCE VARIABLE #fats
INSTANCE VARIABLE #root-entries
+INSTANCE VARIABLE fat32-root-cluster
INSTANCE VARIABLE total-#sectors
INSTANCE VARIABLE media-descriptor
INSTANCE VARIABLE sectors/fat
: read-cluster ( cluster# -- )
dup bytes/cluster @ * cluster-offset @ + bytes/cluster @ read-data
read-fat dup #clusters @ >= IF drop 0 THEN next-cluster ! ;
+
: read-dir ( cluster# -- )
- ?dup 0= IF root-offset @ #root-entries @ 20 * read-data 0 next-cluster !
- ELSE read-cluster THEN ;
+ ?dup 0= IF
+ #root-entries @ 0= IF
+ fat32-root-cluster @ read-cluster
+ ELSE
+ root-offset @ #root-entries @ 20 * read-data 0 next-cluster !
+ THEN
+ ELSE
+ read-cluster
+ THEN
+;
: .time ( x -- )
base @ >r decimal
\ For FAT32:
sectors/fat @ 0= IF data @ 24 + 4c@ bljoin sectors/fat ! THEN
+ #root-entries @ 0= IF data @ 2c + 4c@ bljoin ELSE 0 THEN fat32-root-cluster !
\ XXX add other FAT32 stuff (offsets 28, 2c, 30)