mirror of
https://github.com/forth-ev/VolksForth.git
synced 2024-11-26 02:49:17 +00:00
335 lines
8.9 KiB
Forth
335 lines
8.9 KiB
Forth
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\ *** Block No. 0, Hexblock 0
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\ CP/M 2.2 File-Interface (3.80a) UH 05Oct87
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\ Dieses File enthaelt das File-Interface von volksFORTH zu CP/M.
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\ Damit ist Zugriff auf normale CP/M-Files moeglich.
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\ Wenn ein File mit USE benutzt wird, beziehen sich alle Worte,
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\ die mit dem Massenspeicher arbeiten, auf dieses File.
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\ Benutzung:
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\ USE <name> \ benutze ein schon existierendes File
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\ FILE <name> \ erzeuge ein Forthfile mit dem Namen <name>.
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\ MAKE <name> \ Erzeuge ein File mit <name> und ordne
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\ \ es dem aktuellen Forthfile zu.
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\ MAKEFILE <name> \ Erzeuge ein File mit CP/M und FORTH-Namen
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\ <name>.
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\ INCLUDE <name> \ Lade File mit Forthnamen <name> ab Screen 1
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\ DOS RESET \ zum Wechsel von Disketten. (Oh! CP/M)
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\ *** Block No. 1, Hexblock 1
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\ CP/M 2.2 File-Interface load-Screen UH 18Feb88
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OnlyForth
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\ 2 load \ view numbers for this file
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\ 3 4 thru \ DOS File Functions
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\ 5 $11 thru \ Forth File Functions
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\ $12 $16 thru \ User Interface
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\ File source.fb \ Define already existing Files
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\ File fileint.fb File startup.fbr
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\ ' (makeview Is makeview
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\ ' remove-files Is custom-remove
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\ ' file-r/w Is r/w
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\ ' noop Is drvinit
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\ include startup.fb \ load Standard System
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\ *** Block No. 3, Hexblock 3
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\ File Control Blocks UH 18Feb88
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Dos definitions also
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| : Fcbyte ( n len -- len' ) Create over c, + does> c@ + ;
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&11 Constant filenamelen
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0 2 | Fcbyte nextfile immediate
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1 Fcbyte drive ' drive | Alias >dosfcb
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filenamelen 3 - Fcbyte filename
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3 Fcbyte extension
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&21 + \ ex, s1, s2, rc, d0, ... dn, cr
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2 Fcbyte record \ r0, r1
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1+ \ r2
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2 Fcbyte opened
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2 Fcbyte fileno
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2 Fcbyte filesize \ in 128-Byte-Records
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4 Fcbyte position
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Constant b/fcb
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\ *** Block No. 4, Hexblock 4
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\ dos primitives UH 10Oct87
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' 2- | Alias body> ' 2- | Alias dosfcb>
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: drive! ( drv -- ) $0E bdos ;
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: search0 ( dosfcb -- dir ) $11 bdosa ;
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: searchnext ( dosfcb -- dir ) $12 bdosa ;
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: createfile ( dosfcb -- f ) $16 bdosa dos-error? ;
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: size ( dos -- size ) dup $23 bdos dosfcb> record @ ;
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: drive@ ( -- drv ) 0 $19 bdosa ;
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: killfile ( dosfcb -- ) $13 bdos ;
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\ *** Block No. 5, Hexblock 5
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\ File sizes UH 05Oct87
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: (capacity ( fcb -- n ) \ filecapacity in blocks
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filesize @ rec/blk u/mod swap 0= ?exit 1+ ;
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: in-range ( block fcb -- )
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(capacity u< not Abort" beyond capacity!" ;
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Forth definitions
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: capacity ( -- n ) isfile@ (capacity ;
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Dos definitions
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\ *** Block No. 6, Hexblock 6
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\ (open UH 18Feb88
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: (open ( fcb -- )
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dup opened @ IF drop exit THEN dup position 0. rot 2!
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dup >dosfcb openfile Abort" not found!" dup opened on
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dup >dosfcb size swap filesize ! ;
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: (make ( fcb -- )
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dup >dosfcb killfile
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dup >dosfcb createfile Abort" directory full!"
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dup position 0. rot 2!
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dup filesize off opened on offset off ;
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\ *** Block No. 7, Hexblock 7
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\ Print Filenames UH 10Oct87
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: .file ( fcb -- ) 0 case? IF ." DIRECT" exit THEN
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fcb dosfcb> case? IF ." DEFAULT" exit THEN
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body> >name .name ;
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: .drive ( fcb -- ) drive c@ ?dup 0=exit
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[ Ascii A 1- ] Literal + emit Ascii : emit ;
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: .dosfile ( fcb -- ) dup filename 8 -trailing type
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Ascii . emit extension 3 type ;
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\ *** Block No. 8, Hexblock 8
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\ Print Filenames UH 10Oct87
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: tab ( -- ) col &59 > IF cr exit THEN
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&20 col &20 mod - 0 max spaces ;
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: .fcb ( fcb -- ) dup fileno @ 3 u.r tab
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dup .file tab dup .drive dup .dosfile
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tab dup opened @ IF ." opened" ELSE ." closed" THEN
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3 spaces base push decimal (capacity 3 u.r ." kB" ;
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\ *** Block No. 9, Hexblock 9
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\ Filenames UH 05Oct87
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: !name ( addr len fcb -- )
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dup >r filename filenamelen bl fill
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over 1+ c@ Ascii : =
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IF over c@ [ Ascii A 1- ] Literal - >r 2 /string r>
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ELSE 0 THEN r@ drive c! r> dup filename 2swap
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filenamelen 1+ min bounds
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?DO I c@ Ascii . =
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IF drop dup extension ELSE I c@ over c! 1+ THEN
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LOOP 2drop ;
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: !fcb ( fcb -- ) dup opened off name count rot !name ;
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\ *** Block No. 10, Hexblock a
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\ Print Directory UH 18Nov87
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| Create dirbuf b/rec allot dirbuf b/rec erase
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| Create fcb0 b/fcb allot fcb0 b/fcb erase
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| : wildchard? ( f c -- f' ) Ascii * = IF drop Ascii ? THEN ;
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| : (expand ( addr len -- ) false -rot bounds
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?DO I c@ wildchard? dup ?dup IF I c! THEN LOOP drop ;
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| : expand ( fcb -- ) \ expand * to ???
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dup filename 8 (expand extension 3 (expand ;
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: (dir ( addr len -- )
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fcb0 !name fcb0 expand dirbuf dma! fcb0 >dosfcb search0
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BEGIN dup dos-error? not
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WHILE $20 * dirbuf + dosfcb> tab .dosfile
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fcb0 >dosfcb searchnext stop? UNTIL drop ;
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\ *** Block No. 11, Hexblock b
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\ File List UH 10Oct87
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User file-link file-link off
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| : #file ( -- n ) file-link @ dup IF fileno c@ THEN 1+ ;
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Forth definitions
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: forthfiles ( -- )
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file-link @
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BEGIN dup WHILE cr dup .fcb @ stop? UNTIL drop ;
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Dos definitions
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\ *** Block No. 12, Hexblock c
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\ Close a file UH 10Oct87
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Defer flushfile ' noop is flushfile
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: (close ( fcb -- ) \ close file in fcb
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dup flushfile
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dup opened dup @ 0= IF 2drop exit THEN off
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>dosfcb closefile Abort" not found!" ;
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\ *** Block No. 13, Hexblock d
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\ Create fcbs UH 10Oct87
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: !files ( fcb -- ) dup isfile ! fromfile ! ;
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' r@ | Alias newfcb
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Forth definitions
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: File ( -- )
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Create here >r b/fcb allot newfcb b/fcb erase
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last @ count $1F and newfcb !name
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#file newfcb fileno !
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file-link @ newfcb nextfile ! r> file-link !
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Does> !files ;
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: direct 0 !files ;
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\ *** Block No. 14, Hexblock e
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\ flush buffers & misc. UH 10Oct87 UH 28Nov87
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Dos definitions
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: save-files ( -- ) file-link BEGIN @ ?dup WHILE
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dup opened @ IF dup >dosfcb closefile drop THEN REPEAT ;
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' save-files Is save-dos-buffers
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\ : close-files ( -- ) file-link
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\ BEGIN @ ?dup WHILE dup (close REPEAT ;
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Forth definitions
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: file? isfile@ .file ; \ print current file
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\ *** Block No. 16, Hexblock 10
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\ FORGETing files UH 10Oct87
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| : remove? ( dic symb addr -- dic symb addr f )
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dup heap? IF 2dup u> exit THEN 2 pick over 1+ u< ;
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| : remove-files ( dic symb -- dic symb ) \ flush files !
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isfile@ remove? nip IF direct THEN
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fromfile @ remove? nip IF fromfile off THEN
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file-link
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BEGIN @ ?dup WHILE remove? IF dup (close THEN REPEAT
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file-link remove ;
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\ *** Block No. 18, Hexblock 12
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\ File Interface User words UH 11Oct87
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| : same ( addr -- ) >in ! ;
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: open isfile@ (open offset off ;
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: close isfile@ (close ;
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: assign close isfile@ !fcb open ;
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: make isfile@ dup !fcb (make ;
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| : isfile? ( addr -- addr f ) \ is adr a fcb?
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file-link BEGIN @ dup 0=exit 2dup body> = UNTIL drop true ;
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: use >in @ name find \ create a fcb if not present
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IF isfile? IF execute drop exit THEN THEN drop
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dup same File same ' execute open ;
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\ *** Block No. 19, Hexblock 13
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\ File Interface User words UH 25May88
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: makefile >in @ File dup same ' execute same make ;
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: emptyfile isfile@ >dosfcb createfile ;
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: from isfile push use ;
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: include ( -- )
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increc-offset push isfile push fromfile push
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use cr file?
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include-isfile
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incfile @
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IF increc @ incfile @ cr+ex!
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incfile @ increadrec Abort" error re-reading after include"
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THEN ;
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: eof ( -- f ) isfile@ dup filesize @ swap record @ = ;
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: files " *.*" count (dir ;
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: files" Ascii " word count 2dup upper (dir ;
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' files Alias dir ' files" Alias dir"
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\ *** Block No. 20, Hexblock 14
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\ extend Files UH 20Nov87
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| : >fileend isfile@ >dosfcb size drop ;
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: Drive: ( n -- n' ) dup Constant 1+ Does> @ drive! ;
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0 Drive: a: Drive: b: Drive: c: Drive: d:
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5 + Drive: j: drop
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\ *** Block No. 21, Hexblock 15
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\ save memory-image as disk-file UH 29Nov86
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Forth definitions
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: savefile ( from count -- ) \ filename
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isfile push makefile bounds
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?DO I dma! isfile@ >dosfcb write-seq Abort" disk full!"
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b/rec +LOOP close ;
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' remove-files Is custom-remove
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' noop Is drvinit
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