OPEN/DELETE/RENAME now call F_SFIRST to find file
This commit is contained in:
Bobbi Webber-Manners
parent
91a1b85405
commit
3831017b43
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@ -16,8 +16,7 @@
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;
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; TODO: Populate FCBs properly so PIP etc. work!!
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; TODO: OPEN DELETE RENAME F_ATTRIB need to work with FCB with wildcards and
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; leave the FCB in 0080H
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; TODO: F_ATTRIB needs to work with FCB with wildcards and leave the FCB at DMAADDR
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; TODO: Implement missing system calls:
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; - Random read/write (F_READRAND,F_WRITERAND,F_RANDREC,F_WRITEZF)
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; - RS232 (A_READ, A_WRITE)
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@ -27,7 +26,7 @@
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; TODO: User number doesn't do anything
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; TODO: Software R/O disk setting is not respected
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; TODO: C_READSTR - Line editing functions
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; TODO: C_WRITE - ^S,^Q, tabs etc.
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; TODO: C_WRITE - handle tabs
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; Other Random TODO comments in the code
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;
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@ -389,15 +388,15 @@ PRFNF3 LD C,B_C_WRTSTR ;
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; Delete the file
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; LD DE,DMSG ; Address of string
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; LD C,B_C_WRTSTR ;
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; CALL BDOS ;
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;
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; LD DE,FCB1 ; Default FCB address
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; LD C,B_F_DELETE ;
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; CALL BDOS ;
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;
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; CALL CHECKOK
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LD DE,DMSG ; Address of string
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LD C,B_C_WRTSTR ;
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CALL BDOS ;
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LD DE,FCB1 ; Default FCB address
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LD C,B_F_DELETE ;
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CALL BDOS ;
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CALL CHECKOK
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; Read keyboard and echo to screen C_READ, C_WRITE
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L2 LD C,B_C_READ ;
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@ -630,7 +629,7 @@ C_READ LD HL,RDKEY ; We are going to call RDKEY
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RET ; Return to calling program
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; Write character in E to the console
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; TODO: Handle tabs, ^S and ^Q
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; TODO: Handle tabs
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C_WRITE LD A,80H ; Set high bit
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OR E ; ...
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CP 8AH ; Check for linefeed
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@ -755,13 +754,21 @@ S_BDOSVER LD B,0 ; System is 8080 CP/M
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; Reset disks
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; Makes A: drive the default
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; TODO: Empty all disk buffers (ProDOS FLUSH)
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DRV_ALLRST LD A,0 ; 0 means drive A:
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LD (CURDRV),A ; Store in CURDRV
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LD BC,FILEBUF ; FILEBUF is at 0080H
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LD (DMAADDR),BC ; Reset DMA address
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LD HL,DARMLI ; Pass address of 6502 JSR instruction
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CALL PRODOS ; Invoke ProDOS MLI
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RET
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DARMLI DEFB 20H,00H,0BFH ; JSR $BF00 in 6502 code
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DEFB 0CDH ; ProDOS FLUSH call
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DEFW FOMLIPL+OFFSET ; Pointer to parm list in 6502 addr space
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DEFB 60H ; RTS in 6502 code
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DARMLIP DEFB 1 ; ProDOS PL: One parameter
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DARMLIN DEFB 0 ; ProDOS PL: File ref num (0 = all files)
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; Select disk
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; Disk to select is passed in E (A: is 0, B: is 1 etc.)
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; Return 00 for success, 0FFH for error in A and L
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@ -778,8 +785,12 @@ DSRET LD L,A ; Return code in L too
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; Open file
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; DE is the address of the FCB describing the file to open
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; Returns error codes in A and L:
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; 0 through 3 for success, 0FFH is file not found
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F_OPEN LD IX,PATHBUF ; Destination buffer
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; Returns 0 for success. The FCB for the file opened is left at DMAADDR (slot 0)
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; Returns 0FFH if file not found
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F_OPEN CALL F_SFIRST
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; Alternative entrypoint used for opening ProDOS directory file only
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_F_OPEN LD IX,PATHBUF ; Destination buffer
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CALL FCB2PATH ; Populate PATHLEN and PATH
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PUSH DE ; Preserve pointer to FCB
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@ -895,7 +906,7 @@ ENTPERBLK EQU 0DH ; Number of file entries per block
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; Search for first match of filename in directory
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; DE is the address of the FCB describing the file to look for
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; Returns error codes in A and L: 0-3 for success, 0FFH for not found
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; Returns error codes in A and L: 0 for success, 0FFH for not found
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; The matching FCB is always in slot 0, so success return code always 0
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F_SFIRST PUSH DE ; Store pointer to search FCB
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LD A,(DE) ; Obtain drive number
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@ -903,7 +914,7 @@ F_SFIRST PUSH DE ; Store pointer to search FCB
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LD DE,DFCB ; Use this FCB to open the directory
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CALL F_CLOSE ; Close the directory, if open
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LD DE,DFCB ; Use this FCB to open the directory
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CALL F_OPEN ; Open the directory
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CALL _F_OPEN ; Open the directory (avoiding recursion!)
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FSFL1 LD DE,DFCB ; Use this FCB to read the directory
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CALL RDDIRBLK ; Read first 512 byte block
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@ -932,7 +943,7 @@ FSFS2 LD A,0FFH ; No match
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; Search for next match of filename in directory
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; DE is the address of the FCB describing the file to look for
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; Returns error codes in A and L: 0-3 for success, 0FFH for not found
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; Returns error codes in A and L: 0 for success, 0FFH for not found
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; The matching FCB is always in slot 0, so success return code always 0
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F_SNEXT PUSH DE ; Store pointer to search FCB
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LD HL,(CDBPTR) ; Pointer into current block
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@ -976,7 +987,10 @@ DFCBRC DEFB 00H ; FCB RC field
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; Delete file
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; DE is the address of the FCB describing the file to delete
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; Returns error codes in A and L:
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F_DELETE LD IX,PATHBUF ; Destination buffer
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F_DELETE CALL F_SFIRST ; Search for file, create FCB
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CP 0FFH ; If not found ...
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JP Z,FDERR ; ... Return with error
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LD IX,PATHBUF ; Destination buffer
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CALL FCB2PATH ; Populate PATHLEN and PATH
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LD HL,FDMLI ; Pass address of 6502 JSR instruction
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CALL PRODOS ; Invoke ProDOS MLI
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@ -1071,7 +1085,7 @@ FWMLITC DEFW 0000H ; ProDOS PL: Number of bytes transferred
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; Create (and open) file
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; DE is the address of the FCB describing the file to create
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; Returns error codes in A and L:
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; 0 through 3 for success, 0FFH is file could not be created
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; 0 for success, 0FFH if file could not be created
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F_MAKE LD IX,PATHBUF ; Destination buffer
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CALL FCB2PATH ; Populate PATHLEN and PATH
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LD HL,FMMLI ; Pass address of 6502 JSR instruction
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@ -1100,10 +1114,19 @@ FMMLICT DEFW 0000H ; ProDOS PL: Create time (always 0000H)
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; Rename file
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; DE is the address of the FCB describing the file to be renamed. The new name
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; is stuffed into FCB+16 (where the allocation map usually goes)
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; Returns error codes in A and L - 0 to 3 for success, 0FFH for file not found
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F_RENAME LD IX,PATHBUF ; Destination buffer 1
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; Returns error codes in A and L - 0 for success, 0FFH for file not found
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F_RENAME CALL F_SFIRST ; Search for file, create FCB
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CP 0FFH ; If not found ...
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JP Z,FRNERR ; ... Return with error
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LD IX,PATHBUF ; Destination buffer 1
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CALL FCB2PATH ; Populate PATHLEN and PATH for first file
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LD IX,PATHBUF2 ; Destination buffer 2
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LD H,D ; DE -> HL for addition
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LD L,E ; ...
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LD BC,16 ; Increment by 16 bytes to 2nd part of FCB
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ADD HL,BC ; ...
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LD D,H ; HL back to DE
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LD E,L ; ...
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CALL FCB2PATH ; Populate PATHLEN and PATH for second file
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LD HL,FRNMLI ; Pass address of 6502 JSR instruction
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CALL PRODOS ; Invoke ProDOS MLI
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@ -1443,11 +1466,11 @@ RDBS2 POP HL ; Reset DMA address as we found it
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; Match FCBs
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; Used by CHKDIRBLK
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; DE is the address of the FCB describing the file to look for
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; Compare with FCB at FILEBUF (0080H) already created by PATH2FCB
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; Compare with FCB at DMAADDR already created by PATH2FCB
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; Returns A=0 if entry matches, A=FFH if no match
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; Trashes A,BC,DE,HL
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MATCHFCB INC DE ; Skip over drive byte in FCB
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LD HL,(DMAADDR) ;
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LD HL,(DMAADDR) ; Will write FCB using DMAADDR pointer
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INC HL ; Skip over drive byte in FCB
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LD C,0 ; Initialize character counter
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MFL1 LD A,(DE) ; Load byte of search pattern
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