mirror of
https://github.com/forth-ev/VolksForth.git
synced 2024-11-26 17:49:18 +00:00
545 lines
34 KiB
Forth
545 lines
34 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. 2 Hexblock 2
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\ Build correct view-numbers for this file UUH 19Nov87
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| : fileintview ( -- ) $400 blk @ + ;
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' fileintview Is makeview
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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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: read-seq ( dosfcb -- f ) $14 bdosa dos-error? ;
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: write-seq ( dosfcb -- f ) $15 bdosa dos-error? ;
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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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: file-r/w ( buffer block fcb f -- f )
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over 0= Abort" no Direct Disk IO supported! "
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>r dup (open 2dup in-range r> (r/w ;
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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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' save-buffers >body $0C + @ | Alias backup
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| : filebuffer? ( fcb -- fcb bufaddr/flag )
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prev BEGIN @ dup WHILE 2dup 2+ @ = UNTIL ;
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| : flushfile ( fcb -- ) \ flush file buffers
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BEGIN filebuffer? ?dup WHILE
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dup backup emptybuf REPEAT drop ;
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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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: list ( n -- ) 3 spaces file? list ;
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\ *** Block No. 15 Hexblock F
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\ words for viewing UH 10Oct87
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Forth definitions
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| $200 Constant viewoffset \ max. %512 kB files
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: (makeview ( -- n ) \ calc. view filed for a name
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blk @ dup 0= ?exit
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loadfile @ ?dup IF fileno @ viewoffset * + THEN ;
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: (view ( blk -- blk' ) \ select file and leave block
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dup 0=exit
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viewoffset u/mod file-link
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BEGIN @ dup WHILE 2dup fileno @ = UNTIL
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!files drop ; \ not found: direct access
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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. 17 Hexblock 11
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\ print a list of all buffers UH 20Oct86
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: .buffers
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prev BEGIN @ ?dup WHILE stop? abort" stopped"
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cr dup u. dup 2+ @ dup 1+
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IF ." Block: " over 4+ @ 5 .r
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." File : " [ Dos ] .file
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dup 6 + @ 0< IF ." updated" THEN
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ELSE ." Buffer empty" drop THEN REPEAT ;
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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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: loadfrom ( n -- )
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isfile push fromfile push use load close ;
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: include 1 loadfrom ;
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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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| : addblock ( n -- ) \ add block n to file
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dup buffer under b/blk bl fill
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isfile@ rec/blk over filesize +! false file-r/w
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IF close Abort" disk full!" THEN ;
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: more ( n -- ) open >fileend
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capacity swap bounds ?DO I addblock LOOP close
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open close ;
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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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\ *** Block No. 22 Hexblock 16
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\ Status UH 10OCt87
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: .blk ( -- ) blk @ ?dup 0=exit
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dup 1 = IF cr file? THEN base push hex ." Blk " . ?cr ;
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' .blk Is .status
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\ *** Block No. 23 Hexblock 17
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\ *** Block No. 24 Hexblock 18
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\ *** Block No. 25 Hexblock 19
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\ *** Block No. 26 Hexblock 1A
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\ *** Block No. 27 Hexblock 1B
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\ *** Block No. 28 Hexblock 1C
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\ *** Block No. 29 Hexblock 1D
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\ *** Block No. 30 Hexblock 1E
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\ *** Block No. 31 Hexblock 1F
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