* AUXMEM.HOSTFS.S * (c) Bobbi 2021 GPL v3 * * AppleMOS Host File System * 29-Aug-2021 Generalised CHKERROR routone, checks for and * translates ProDOS errors into Acorn errors * Set &E0=&FF for testing to report ProDOS errors * 30-Aug-2021 FSC commands moved to here * Command line set by *RUN, and read by OSARGS * 20-Sep-2021 *FREE uses new PRDECIMAL routine * 12-Oct-2021 OSFIND checks return value from calling maincode. * 12-Oct-2021 BGET and BPUT check for returned error. * 13-Oct-2021 FIND, BGET, BPUT optimised passing registers to main. * 13-Oct-2021 ARGS, EOF returns errors, optimised passing registers. * 14-Oct-2021 Tidied FILE handler. * 23-Oct-2021 Uses single dispatch to mainmem FILE handler. * 24-Oct-2021 Tidied FSC handler. Optimised CATALOG, CAT shows access. * *EX can use two columns. *OPT stored. * $B0-$BF Temporary filing system workspace * $C0-$CF Persistant filing system workspace FSXREG EQU $C0 FSYREG EQU $C1 FSAREG EQU $C2 FSZPC3 EQU $C3 FSCTRL EQU FSXREG FSPTR1 EQU $C4 FSPTR2 EQU $C6 FSNUM EQU $C8 FSZPCC EQU $CC FSCMDLINE EQU $CE * OSFIND - open/close a file for byte access FINDHND PHX PHY PHA CMP #$00 ; A=$00 = close BEQ :CLOSE PHA JSR PARSNAME ; Copy filename->MOSFILE PLA ; Recover options >>> XF2MAIN,OFILE :CLOSE * >>> WRTMAIN * STY MOSFILE ; Write file number * >>> WRTAUX >>> XF2MAIN,CFILE ; Pass A,Y to main code OSFINDRET >>> ENTAUX JSR CHKERROR ; Check if error returned PLY ; Value of A on entry BNE :S1 ; It wasn't close TYA ; Preserve A for close :S1 PLY PLX RTS * OSGBPB - Get/Put a block of bytes to/from an open file GBPBHND LDA #OSGBPBM JMP PRSTR OSGBPBM ASC 'OSGBPB.' DB $00 * OSBPUT - write one byte to an open file BPUTHND PHX PHY PHA ; Stash char to write * >>> WRTMAIN * STY MOSFILE ; File reference number * >>> WRTAUX >>> XF2MAIN,FILEPUT ; Pass A,Y to main code OSBPUTRET >>> ENTAUX JSR CHKERROR CLC ; Means no error PLA PLY PLX RTS * OSBGET - read one byte from an open file BGETHND PHX PHY * >>> WRTMAIN * STY MOSFILE ; File ref number * >>> WRTAUX >>> XF2MAIN,FILEGET ; Pass A,Y to main code OSBGETRET >>> ENTAUX CPY #$01 BCC :EXIT ; If no error, return CC LDA #$FE CPY #$4C BEQ :EXIT ; If at EOF, return CS TYA JSR CHKERROR :EXIT PLY PLX RTS * OSARGS - adjust file arguments * On entry, A=action * X=>4 byte ZP control block * Y=file handle * Y<>0 A=FF Flush channel Y * A=00 Read PTR#Y * A=01 Write PTR#Y * A=02 Read EXT#Y * A=03 Write EXT#Y * Y=0 A=FF Flush all channels * A=00 Return filing system number in A * A=01 Read command line address * On exit, A=0 - implemented (except ARGS 0,0) * A - preserved=unimplemented * X,Y - preserved * control block updated for 'read' calls * control block preserved otherwise * ARGSHND PHX PHY PHA CPY #$00 BNE :HASFILE CMP #$00 ; Y=0,A=0 => current file sys BNE :S1 PLA LDA #105 ; 105=AppleFS filing system PLY PLX RTS :S1 CMP #$01 ; Y=0,A=1 => addr of CLI BNE :S2 LDA FSCMDLINE+0 STA $00,X LDA FSCMDLINE+1 STA $01,X LDA #$FF STA $02,X STA $03,X JMP OSARGSDONE ; Implemented :S2 CMP #$FF ; Y=0,A=FF => flush all files BNE :IEXIT * >>> WRTMAIN * STZ MOSFILE ; Zero means flush all * >>> WRTAUX JMP :FLUSH :IEXIT JMP :EXIT ; Exit preserved :HASFILE * >>> WRTMAIN * STY MOSFILE ; File ref num * STX MOSFILE+1 ; Pointer to ZP control block * >>> WRTAUX CMP #$00 ; Y!=0,A=0 => read seq ptr BNE :S3 * >>> WRTMAIN * STZ MOSFILE+2 ; 0 means get pos * >>> WRTAUX TXA >>> XF2MAIN,TELL ; A=ZP, Y=channel :S3 CMP #$01 ; Y!=0,A=1 => write seq ptr BNE :S4 >>> WRTMAIN STY GMARKPL+1 ; Write to MLI control block LDA $00,X STA GMARKPL+2 LDA $01,X STA GMARKPL+3 LDA $02,X STA GMARKPL+4 >>> WRTAUX >>> XF2MAIN,SEEK ; A=???, Y=channel :S4 CMP #$02 ; Y!=0,A=2 => read file len BNE :S5 * >>> WRTMAIN * STA MOSFILE+2 ; Non-zero means get len * >>> WRTAUX TXA >>> XF2MAIN,SIZE ; A=ZP, Y=channel :S5 CMP #$FF ; Y!=0,A=FF => flush file BNE :EXIT :FLUSH >>> XF2MAIN,FLUSH :EXIT PLA ; Unimplemented PLY PLX RTS OSARGSRET >>> ENTAUX JSR CHKERROR OSARGSDONE PLA LDA #0 ; Implemented PLY PLX RTS * OSFILE - perform actions on entire files/objects * On entry, A=action * XY=>control block * On exit, A=preserved if unimplemented * A=0 object not found (not load/save) * A=1 file found * A=2 directory found (not load/save) * XY preserved * control block updated * OSFILEMIN EQU $FF ; $FF=LOAD OSFILEMAX EQU $08 ; $08=MKDIR FILEHND PHX PHY PHA CLC ADC #256-OSFILEMIN CMP #OSFILEMAX+257-OSFILEMIN ; NB: LtoR evaluation BCS FILEIGNORE STX FSCTRL+0 ; FSCTRL=>control block STY FSCTRL+1 LDA (FSCTRL) ; XY=>filename TAX LDY #$01 LDA (FSCTRL),Y TAY JSR PARSNAME ; Copy filename->MOSFILE LDY #$11 >>> WRTMAIN :L1 LDA (FSCTRL),Y ; Copy control block to auxmem STA FILEBLK,Y DEY BPL :L1 >>> WRTAUX PLA ; Get action back >>> XF2MAIN,CALLFILE * BEQ :SAVE ; A=00 -> SAVE * CMP #$FF * BEQ :LOAD ; A=FF -> LOAD * CMP #$06 * BEQ :DELETE ; A=06 -> DELETE * BCC :JMPINFO ; A=01-05 -> INFO * CMP #$08 * BEQ :MKDIR ; A=08 -> MKDIR * * PLY ; Not implemented, return unchanged * PLX * RTS * *:JMPINFO JMP :INFO *:SAVE >>> XF2MAIN,SAVEFILE *:LOAD >>> XF2MAIN,LOADFILE *:DELETE >>> XF2MAIN,DELFILE *:INFO >>> XF2MAIN,INFOFILE *:MKDIR >>> XF2MAIN,MAKEDIR * On return here, A<$20 return to caller, A>$1F ProDOS error OSFILERET >>> ENTAUX JSR CHKERROR ; Check if error returned PHA LDY #$11 ; Copy updated control block back :L3 * LDA AUXBLK,Y ; Mainmem left it in AUXBLK LDA OSFILECB,Y ; Mainmem left it in OSFILECB STA (FSCTRL),Y DEY BPL :L3 FILEIGNORE PLA ; Returned object type PLY ; No error, return to caller PLX RTS * FSC Command Table ******************* * These are commands specific to the filing system that can't be * called via OSFILE, OSFSC, etc. * FSCCOMMAND ASC 'CHDIR' DB $80 DW FSCCHDIR-1 ; Change directory, LPTR=>params ASC 'CD' DB $80 DW FSCCHDIR-1 ; Change directory, LPTR=>params ASC 'DIR' DB $80 DW FSCCHDIR-1 ; Change directory, LPTR=>params ASC 'DRIVE' DB $80 DW FSCDRIVE-1 ; Select drive, LPTR=>params ASC 'FREE' DB $80 DW FSCFREE-1 ; FREE , LPTR=>params ASC 'ACCESS' DB $80 DW FSCACCESS-1 ; ACCESS , LPTR=>params ASC 'TITLE' DB $80 DW FSCTITLE-1 ; TITLE () , LPTR=>params ASC 'DESTROY' DB $80 DW FSCDESTROY-1 ; DESTROY <objlist>, LPTR=>params ASC 'COPY' DB $80 DW FSCCOPY-1 ; COPY <source> <dest>, LPTR=>params * DB $FF ; Terminator * FSC Dispatch Table ******************** FSCDISPATCH DW FSCOPT-1 ; A=0 - *OPT DW CHKEOF-1 ; A=1 - Read EOF DW FSCRUN-1 ; A=2 - */filename DW FSC03-1 ; A=3 - *command DW FSCRUN-1 ; A=4 - *RUN DW FSCCAT-1 ; A=5 - *CAT DW FSCUKN-1 ; A=6 DW FSCUKN-1 ; A=7 DW FSCUKN-1 ; A=8 DW FSCCAT-1 ; A=9 - *EX DW FSCCAT-1 ; A=10 - *INFO DW FSCUKN-1 ; A=11 DW FSCRENAME-1 ; A=12 - *RENAME * OSFSC - miscellanous file system calls ***************************************** * On entry, A=action, XY=>command line * or A=action, X=param1, Y=param2 * On exit, A=preserved if unimplemented * A=0 if implemented * X,Y=any return values * FSCHND CMP #13 BCS FSCUKN STA FSAREG STX FSXREG STY FSYREG ASL A TAX LDA FSCDISPATCH+1,X PHA LDA FSCDISPATCH+0,X PHA LDX FSXREG LDA FSAREG RTS * CMP #$00 * BEQ FSOPT ; A=0 - *OPT * CMP #$01 * BEQ CHKEOF ; A=1 - Read EOF * CMP #$02 * BEQ FSCRUN ; A=2 - */filename * CMP #$03 * BEQ FSC03 ; A=3 - *command * CMP #$04 * BEQ FSCRUN ; A=4 - *RUN * CMP #$05 * BEQ JMPCAT ; A=5 - *CAT * CMP #$09 * BEQ JMPCAT ; A=9 - *EX * CMP #$0A * BEQ JMPCAT ; A=10 - *INFO * CMP #$0C * BEQ FSCREN ; A=12 - *RENAME * OSFSC 00 - *OPT function FSCOPT TXA BEQ :OPT0 LDA FSFLAG2 AND :OPTMSK-1,X EOR :OPTSET-0,Y AND :OPTMSK-1,X EOR :OPTSET-0,Y :OPT0 STA FSFLAG2 :OPTNULL RTS :OPTMSK DB $3F,$CF,$F3,$FC :OPTSET DB $00,$55,$AA,$FF *FSCDRIVE JMP DRIVE * *FSCFREE JMP FREE * *FSCACCESS JMP ACCESS * *FSCDESTROY JMP DESTROY * *JMPCAT JMP FSCCAT FSCUKN PHA LDA #<OSFSCM LDY #>OSFSCM JSR PRSTR PLA FSCNULL RTS OSFSCM ASC 'OSFSC.' DB $00 * OSFSC 01 - Read EOF function * X=File ref number * CHKEOF * >>> WRTMAIN * STX MOSFILE ; File reference number * >>> WRTAUX TXA ; A=channel >>> XF2MAIN,FILEEOF CHKEOFRET >>> ENTAUX TAX ; Return code -> X TYA ; Y=any ProDOS error JMP CHKERROR * OSFSC 03 - *command, fall back to *RUN command * XY=>command line * FSC03 JSR XYtoLPTR LDX #<FSCCOMMAND LDY #>FSCCOMMAND JSR CLILOOKUP BEQ FSCNULL ; Matched, return JSR LPTRtoXY ; Fall through to *RUN * OSFSC 04 - *RUN filename * XY=>pathname * FSCRUN STX OSFILECB ; Pointer to filename STY OSFILECB+1 JSR XYtoLPTR FSCRUNLP LDA (OSLPTR),Y ; Look for command line INY CMP #'!' BCS FSCRUNLP DEY JSR SKIPSPC JSR LPTRtoXY STX FSCMDLINE+0 ; Set CMDLINE=>command line STY FSCMDLINE+1 ; Collected by OSARGS 1,0 LDA #$FF ; OSFILE load flag STA OSFILECB+6 ; Use file's address LDX #<OSFILECB ; Pointer to control block LDY #>OSFILECB JSR OSFILE JSR :CALL LDA #$00 ; A=0 on return RTS :CALL LDA #$01 ; A=1 - entering code SEC ; Not from RESET JMP (OSFILECB+6) ; Jump to EXEC addr * FSCREN JMP RENAME * * FSCCHDIR JMP CHDIR * Display catalog entries and info * A=5 *CAT, A=9 *EX, A=10 *INFO * XY=>pathname * FSCCAT EOR #$06 CLC ROR A ; 01100000=*CAT ROR A ; 11100000=*EX ROR A ; 10000000=*INFO ROR A ; b7=long info STA FSAREG ; b6=multiple items JSR PARSNAME ; Copy filename->MOSFILE LDA FSAREG ; Get ARG back >>> XF2MAIN,CATALOG STARCATRET >>> ENTAUX JSR CHKERROR ; See if error occurred JSR FORCENL LDA #0 ; 0=OK RTS * Print one block of a catalog. Called by CATALOG * Block is in AUXBLK PRONEBLK >>> ENTAUX * LDA #<AUXBLK+4 ; FSPTR1=>first entry STA FSPTR1+0 LDA #>AUXBLK+4 STA FSPTR1+1 LDA #13 ; Max 13 entries per block STA FSNUM :CATLP LDY #$00 LDA (FSPTR1),Y ; Get storage type CMP #$E0 * PHP BCC :NOTKEY ; Not a key block * LDA AUXBLK+4 ; Get storage type * AND #$E0 ; Mask 3 MSBs * CMP #$E0 * BNE :NOTKEY ; Not a key block * Print directory name LDA #<:DIRM LDY #>:DIRM JSR PRSTR SEC :NOTKEY * LDA #$00 *:L1 PHA * PHP JSR PRONEENT ; CC=entry, CS=header * PLP * BCC :L1X * JSR OSNEWL *:L1X CLC ; Step to next entry LDA FSPTR1+0 ADC #$27 STA FSPTR1+0 LDA FSPTR1+1 ADC #$00 STA FSPTR1+1 DEC FSNUM BNE :CATLP ; Loop for all entries * PLA * INC * CMP #13 ; Number of dirents in block * CLC * BNE :L1 >>> XF2MAIN,CATALOGRET :DIRM ASC 'Directory: ' DB $00 * Print a single directory entry * On entry: A = dirent index in AUXBLK * CC=entry, CS=header PRONEENT * PHP * TAX * LDA #<AUXBLK+4 ; Skip pointers * STA ZP3 * LDA #>AUXBLK+4 * STA ZP3+1 *:L1 CPX #$00 * BEQ :S1 * CLC * LDA #$27 ; Size of dirent * ADC ZP3 * STA ZP3 * LDA #$00 * ADC ZP3+1 * STA ZP3+1 * DEX * BRA :L1 :S1 LDY #$00 ; Characters printed LDA (FSPTR1),Y AND #$0F ; Len of filename BEQ :CATEXIT ; Inactive entry PHP TAX :L2 INY LDA (FSPTR1),Y JSR OSWRCH ; Print filename DEX BNE :L2 * LDY #$01 *:L2 CPX #$00 * BEQ :S2 * LDA (FSPTR1),Y * JSR OSWRCH * DEX * INY * BRA :L2 :S2 PLP BCS :EXITHDR ; Header entry, no info JSR PRSPACES * LDA #$20 * BIT FSAREG * BPL :S2LP * INY * INY * INY * INY *:S2LP JSR OSWRCH * INY * CPY #$10 * BCC :S2LP BIT FSAREG BMI :CATINFO ; Display object info JMP PRACCESS :EXITHDR JMP OSNEWL PLP :CATEXIT RTS * BPL :EXIT :CATINFO LDY #$21 LDX #3 LDA #0 JSR PRADDR0 LDA #'+' JSR OSWRCH LDY #$17 JSR PRADDR JSR PRSPACE JSR PRACCESS BIT FSFLAG2 BVS CATLONG LDY #$0A PRSPACES JSR PRSPACE INY CPY #$10 BCC PRSPACES RTS CATLONG LDY #$21 JSR PRDATETIME LDY #$18 JSR PRDATETIME JMP OSNEWL PRDATETIME JSR PRSPACE JSR PRSPACE LDA (FSPTR1),Y PHA AND #$1F JSR PRDECSLH ; Day INY LDA (FSPTR1),Y ASL A PLA ROL A ROL A ROL A ROL A AND #$0F JSR PRDECSLH ; Month LDA (FSPTR1),Y PHA CMP #80 LDA #$19 BCS :CENTURY LDA #$20 :CENTURY JSR PRHEX ; Century PLA LSR A JSR PRDEC ; Year JSR PRSPACE INY INY LDA (FSPTR1),Y JSR PRDEC ; Hour LDA #$3A JSR OSWRCH DEY LDA (FSPTR1),Y ; Minute PRDEC TAX LDA #$99 SED :PRDECLP CLC ADC #$01 DEX BPL :PRDECLP CLD JMP PRHEX PRDECSLH JSR PRDEC LDA #'/' JMP OSWRCH * LDY #$00 * LDA (FSPTR1),Y * AND #$F0 * CMP #$D0 * BNE :NOTDIR * LDA #'D' * JSR OSWRCH * JSR PRLOCK * JMP OSNEWL *:NOTDIR JSR PRLOCK * LDA (FSPTR1),Y * LSR A * PHP * AND #1 * BEQ :NOWR * LDA #'W' * JSR OSWRCH *:NOWR PLP * BCC :NOWR * LDA #'R' * JSR OSWRCH *:NORD * JSR PRSPACE * LDY #$22 * LDX #2 * JSR PRADDRLP :EXITHDR JMP OSNEWL PRACCESS LDX #$04 ; Offset to chars LDY #$1E LDA (FSPTR1),Y PHA LDY #$00 ; Chars printed LDA (FSPTR1),Y CMP #$D0 JSR :PRACCCHR ; 'D' PLA CPY #$01 ; Has 'D' been printed? PHP PHA EOR #$C0 CMP #$40 JSR :PRACCCHR ; 'L' PLA PLP BCS :PRACCDONE ; Dir, skip 'WR' ROR A PHP ROR A JSR :PRACCCHR ; 'W' PLP JSR :PRACCCHR ; 'R' :PRACCDONE LDA #$20 :PRACCLP JSR :PRSPACE CPY #$04 BCC :PRACCLP :PRSKIP RTS :PRACCCHR DEX BCC :PRSKIP LDA ACCESSCHRS,X :PRSPACE INY JMP OSWRCH ACCESSCHRS ASC 'RWLD' *PRLOCK LDY #$1E * LDA (FSPTR1),Y * CMP #$40 * BCS PRADDROK * LDA #'L' * JMP OSWRCH PRADDR LDX #3 PRADDRLP LDA (FSPTR1),Y PRADDR0 JSR OUTHEX DEY DEX BNE PRADDRLP PRADDROK RTS PRSPACE LDA #' ' PRCHAR JMP OSWRCH * OSFSC $0C - RENAME function * XY=>pathname FSCRENAME RENAME JSR PARSNAME ; Copy Arg1->MOSFILE CMP #$00 ; Length of arg1 BEQ :SYNTAX JSR PARSLPTR2 ; Copy Arg2->MOSFILE2 CMP #$00 ; Length of arg2 BEQ :SYNTAX >>> XF2MAIN,RENFILE :SYNTAX BRK DB $DC ASC 'Syntax: RENAME <objspec> <objspec>' BRK RENRET >>> ENTAUX JSR CHKERROR LDA #$00 RTS * Handle *COPY command * LPTR=>parameters string * FSCCOPY JSR PARSLPTR * COPY JSR PARSNAME ; Copy Arg1->MOSFILE CMP #$00 ; Length of arg1 BEQ :SYNTAX JSR PARSLPTR2 ; Copy Arg2->MOSFILE2 CMP #$00 ; Length of arg2 BEQ :SYNTAX >>> XF2MAIN,COPYFILE :SYNTAX BRK DB $DC ASC 'Syntax: COPY <listspec> <*objspec*>' BRK COPYRET >>> ENTAUX JSR CHKERROR LDA #$00 RTS * Handle *DIR/*CHDIR/*CD (directory change) command * LPTR=>parameters string * FSCCHDIR JSR PARSLPTR * CHDIR JSR PARSNAME ; Copy filename->MOSFILE CMP #$00 ; Filename length BNE :HASPARM BRK DB $DC ASC 'Syntax: DIR <*objspec*>' BRK :HASPARM >>> XF2MAIN,SETPFX * Handle *DRIVE command, which is similar * LPTR=>parameters string * FSCDRIVE DRIVE LDA (OSLPTR),Y ; First char CMP #$3A ; Colon BNE :ERR JSR PARSLPTR ; Copy arg->MOSFILE CMP #$03 ; Check 3 char arg BEQ :HASPARM :ERR BRK DB $DC ASC 'Syntax: DRIVE <drv> (eg: DRIVE :61)' BRK :HASPARM >>> XF2MAIN,SETPFX CHDIRRET >>> ENTAUX JSR CHKERROR CMP #$00 BEQ :EXIT BRK DB $CE ; Bad directory ASC 'Bad dir' BRK :EXIT RTS * Handle *FREE command * LPTR=>parameters string * FSCFREE FREE LDA (OSLPTR),Y ; First char CMP #$3A ; Colon BNE :ERR JSR PARSLPTR ; Copy arg->MOSFILE CMP #$03 ; Check 3 char arg BEQ :HASPARM :ERR BRK DB $DC ASC 'Syntax: FREE <drv> (eg: FREE :61)' BRK :HASPARM >>> XF2MAIN,DRVINFO FREERET >>> ENTAUX JSR CHKERROR CMP #$00 BEQ :NOERR BRK DB $CE ; Bad directory ASC 'Bad dir' BRK :NOERR SEC LDA AUXBLK+2 ; LSB of total blks SBC AUXBLK+0 ; LSB of blocks used TAX LDA AUXBLK+3 ; MSB of total blks SBC AUXBLK+1 ; MSB of blocks used TAY LDA #$00 ; *TO DO* b16-b23 of free JSR :FREEDEC ; Print 'AAYYXX blocks aaayyyxxx bytes ' LDX #<:FREE LDY #>:FREE JSR OUTSTR ; Print 'free'<nl> LDX AUXBLK+0 ; Blocks used LDY AUXBLK+1 LDA #$00 ; *TO DO* b16-b23 of used JSR :FREEDEC ; Print 'AAYYXX blocks aaayyyxxx bytes ' LDX #<:USED LDY #>:USED JMP OUTSTR ; Print 'used'<nl> :FREEDEC STX FSNUM+1 STY FSNUM+2 STA FSNUM+3 * What's the maximum number of blocks? * JSR PRHEX ; Blocks b16-b23 in hex JSR PR2HEX ; Blocks b0-b15 in hex LDX #<:BLOCKS LDY #>:BLOCKS JSR OUTSTR ; ' blocks ' STZ FSNUM+0 ; FSNUM=blocks*512 ASL FSNUM+1 ROL FSNUM+2 ROL FSNUM+3 LDX #FSNUM ; X=>number to print LDY #8 ; Y=pad up to 8 digits JSR PRINTDEC ; Print it in decimal LDX #<:BYTES LDY #>:BYTES JMP OUTSTR ; ' bytes ' :BLOCKS ASC ' blocks ' DB 0 :BYTES ASC ' bytes ' DB 0 :FREE ASC 'free' DB 13,0 :USED ASC 'used' DB 13,0 * Handle *ACCESS command * LPTR=>parameters string * FSCACCESS ACCESS JSR PARSLPTR ; Copy filename->MOSFILE CMP #$00 ; Filename length BEQ :SYNTAX JSR PARSLPTR2 ; Copy Arg2->MOSFILE2 >>> XF2MAIN,SETPERM :SYNTAX BRK DB $DC ASC 'Syntax: ACCESS <listspec> <L|W|R>' BRK ACCRET >>> ENTAUX JSR CHKERROR LDA #$00 RTS * Handle *DESTROY command * LPTR=>parameters string * FSCDESTROY DESTROY JSR PARSLPTR ; Copy filename->MOSFILE CMP #$00 ; Filename length BEQ :SYNTAX >>> XF2MAIN,MULTIDEL :SYNTAX BRK DB $DC ASC 'Syntax: DESTROY <listspec>' BRK DESTRET >>> ENTAUX JSR CHKERROR LDA #$00 RTS * Handle *TITLE command * LPTR=>parameters string * Syntax: *TITLE (<drive>) <title> * FSCTITLE RTS * Parse filename pointed to by XY * Write filename to MOSFILE in main memory * Returns length in A with EQ/NE set PARSNAME JSR XYtoLPTR PARSLPTR CLC ; Means parsing a filename JSR GSINIT ; Init general string handling PHP SEI ; Disable IRQs LDX #$00 ; Length :L1 JSR GSREAD ; Handle next char BCS :DONE STA $C004 ; Write to main mem STA MOSFILE+1,X STA $C005 ; Write to aux mem INX BNE :L1 :DONE STA $C004 ; Write to main mem STX MOSFILE ; Length byte (Pascal) STA $C005 ; Back to aux PLP ; IRQs back as they were TXA ; Return len in A RTS * Parse filename pointed to by (OSLPTR),Y * Write filename to MOSFILE2 in main memory * Returns length in A with EQ/NE set PARSNAME2 JSR XYtoLPTR PARSLPTR2 CLC ; Means parsing a filename JSR GSINIT ; Init gen string handling PHP SEI ; Disable IRQs LDX #$00 ; Length :L1 JSR GSREAD ; Handle next char BCS :DONE STA $C004 ; Write to main mem STA MOSFILE2+1,X STA $C005 ; Write to aux mem INX BNE :L1 :DONE STA $C004 ; Write to main mem STX MOSFILE2 ; Length byte (Pascal) STA $C005 ; Back to aux PLP ; IRQs back as they were TXA ; Return len in A NOTERROR RTS ERRNOTFND LDA #$46 ; File not found * Check returned code for return code or error code * A<$20 - return to user, A>$1F - generate error * CHKERROR CMP #$20 BCC NOTERROR MKERROR * IF FALSE BIT $E0 BPL MKERROR1 ; *DEBUG* PHA LDX #15 MKERRLP LDA ERRMSG,X STA $100,X DEX BPL MKERRLP PLA PHA LSR A LSR A LSR A LSR A JSR ERRHEX STA $108 PLA JSR ERRHEX STA $109 JMP $100 ERRHEX AND #15 CMP #10 BCC ERRHEX1 ADC #6 ERRHEX1 ADC #48 RTS ERRMSG BRK DB $FF ASC 'ERR: $00' BRK * FIN * Translate ProDOS error code into BBC error MKERROR1 CMP #$40 BCS MKERROR2 ORA #$30 ; <$40 -> $30-$3F MKERROR2 SEC SBC #$38 CMP #$28 BCC MKERROR3 ; $28-$30, $40-$5F LDA #$27 ; Otherwise I/O error MKERROR3 ASL A TAX LDA MKERROR4+1,X PHA LDA MKERROR4+0,X PHA PHP RTI MKERROR4 DW ERROR28,ERROR27,ERROR27,ERROR2B,ERROR27,ERROR27,ERROR2E,ERROR27 DW ERROR40,ERROR41,ERROR42,ERROR43,ERROR44,ERROR45,ERROR46,ERROR47 DW ERROR48,ERROR49,ERROR4A,ERROR4B,ERROR4C,ERROR4D,ERROR4E,ERROR4F DW ERROR50,ERROR51,ERROR52,ERROR53,ERROR54,ERROR55,ERROR56,ERROR57 DW ERROR27,ERROR27,ERROR5A,ERROR5B,ERROR27,ERROR5D,ERROR5E,ERROR27 * $27 - I/O error (disk not formatted) * $28 - No device con'd (drive not present) Disk not present * $29 -(GSOS Driver is busy) * $2A - * $2B - Disk write protected. Disk write protected * $2C -(GSOS bad byte count) * $2D -(GSOS bad block number) * $2E - Disk switched Disk changed * $2F - Device is offline (drive empty/absent) * $40 - Invalid pathname syntax. Bad filename * $41 -(Duplicate filename. split from $47) Is a directory) * $42 - File Control Block table full. Too many open * $43 - Invalid reference number. Channel not open * $44 - Path not found. (Dir not found) File not found * $45 - Volume directory not found. Disk not found * $46 - File not found. File not found * $47 - Duplicate filename. (see also $41) File exists * $48 - Overrun error. Disk full * $49 - Volume directory full. Directory full * $4A - Incompatible file format. Disk not recognised * $4B - Unsupported storage_type. Disk not recognised * $4C - End of file has been encountered. End of file * $4D - Position out of range. Past end of file * $4E - Access error. (see also $4F) RD/WR: Insufficient access * $4F -(Access error. split from $4E) REN/DEL/SAV: Locked * $50 - File already open. Can't - file open * $51 - Directory count error. Broken directory * $52 - Not a ProDOS disk. Disk not recognised * $53 - Invalid parameter. Invalid parameter * $54 -(Dir not empty when deleting, cf $4E) DEL: Dir not empty * $55 - Volume Control Block table full. * $56 - Bad buffer address. * $57 - Duplicate volume. * $58 - Bad volume bitmap. * $59 -(GSOS File level out of range) * $5A - Bit map disk address is impossible. Sector not found * $5B -(GSOS Bad ChangePath pathname) * $5C -(GSOS Not executable file) * $5D -(GSOS OS/FS not found) (EOF during load or save) Data lost * $5E -(Couldn't open to save) Can't save * $5F -(GSOS Too many applications) * $60+ - (GSOS) * AcornOS ProDOS ERROR28 DW $D200 ASC 'Disk not present' ; $28 - No device detected/connected ERROR2B DW $C900 ASC 'Disk write protected' ; $2B - Disk write protected ERROR2E DW $C800 ASC 'Disk changed' ; $2E - Disk switched ERROR40 DW $CC00 ASC 'Bad filename' ; $40 - Invalid pathname syntax ERROR41 DW $C400 ASC 'Is a directory' ; $41 - Duplicate filename (split from $47) ERROR42 DW $C000 ASC 'Too many open' ; $42 - File Control Block table full ERROR43 DW $DE00 ASC 'Channel not open' ; $43 - Invalid reference number ERROR44 ; $44 - Path not found ERROR46 DW $D600 ASC 'File not found' ; $46 - File not found ERROR45 DW $D600 ASC 'Disk not found' ; $45 - Volume directory not found ERROR47 DW $C400 ASC 'File exists' ; $47 - Duplicate filename (see also $41) ERROR48 DW $C600 ASC 'Disk full' ; $48 - Overrun error ERROR49 DW $B300 ASC 'Directory full' ; $49 - Volume directory full ERROR4A ; $4A - Incompatible file format ERROR4B ; $4B - Unsupported storage_type ERROR52 DW $C800 ASC 'Disk not recognised' ; $52 - Not a ProDOS disk ERROR4C DW $DF00 ASC 'End of file' ; $4C - End of file has been encountered ERROR4D DW $C100 ASC 'Not open for update' ; $4D - Position out of range ERROR4E DW $BD00 ASC 'Insufficient access' ; $4E - Access error (see also $4F) ERROR4F DW $C300 ASC 'Entry locked' ; $4F - Access error (split from $4E) ERROR50 DW $C200 ASC 'Can' DB $27 ASC 't - file open' ; $50 - File is open ERROR51 DW $A800 ASC 'Broken directory' ; $51 - Directory count error ERROR53 DW $DC00 ASC 'Invalid parameter' ; $53 - Invalid parameter ERROR54 DW $D400 ASC 'Directory not empty' ; $54 - Directory not empty (split from $4E) ERROR55 DW $FF00 ASC 'ProDOS: VCB full' ; $55 - Volume Control Block table full ERROR56 DW $FF00 ASC 'ProDOS: Bad addr' ; $56 - Bad buffer address ERROR57 DW $FF00 ASC 'ProDOS: Dup volm' ; $57 - Duplicate volume ERROR5B ; spare ERROR5A DW $FF00 ASC 'Sector not found' ; $5A - Bit map disk address is impossible ERROR5D DW $CA00 ASC 'Data lost' ; $5D - EOF during LOAD or SAVE ERROR5E DW $C000 ASC 'Can' DB $27 ASC 't save' ; $5E - Couldn't open for save ERROR27 DW $FF00 ASC 'I/O error' ; $27 - I/O error DB $00