mirror of
https://github.com/hsoft/collapseos.git
synced 2024-11-05 23:20:55 +11:00
33 lines
509 B
Forth
33 lines
509 B
Forth
( I/O blocks )
|
|
|
|
: BLKMEM+ 0x57 RAM+ @ + ;
|
|
( n -- Fetches block n and write it to BLK( )
|
|
: BLK@* 0 BLKMEM+ ;
|
|
( n -- Write back BLK( to storage at block n )
|
|
: BLK!* 2 BLKMEM+ ;
|
|
( Current blk pointer in ( )
|
|
: BLK> 4 BLKMEM+ ;
|
|
: BLK( 6 BLKMEM+ ;
|
|
|
|
: BLK$
|
|
H@ 0x57 RAM+ !
|
|
1030 ALLOT
|
|
-1 BLK> !
|
|
;
|
|
|
|
: BLK@
|
|
DUP BLK> = IF DROP EXIT THEN
|
|
DUP BLK> ! BLK@* @ EXECUTE
|
|
;
|
|
|
|
: .2 DUP 10 < IF SPC THEN . ;
|
|
|
|
: LIST
|
|
BLK@
|
|
16 0 DO
|
|
I 1 + .2 SPC
|
|
64 I * BLK( + (print)
|
|
CRLF
|
|
LOOP
|
|
;
|