mirror of
https://github.com/Tolik-Trek/Estex-DSS.git
synced 2026-06-15 01:11:48 +03:00
545 lines
9.6 KiB
NASM
545 lines
9.6 KiB
NASM
;[BEGIN]
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;//MODULE: DOS_X
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;//CREATE: 19-05-1998 AUTHOR: Denis Parinov
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;//UPDATE: 24-10-1999 DNS Restore module
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;---------------------------------------------------------------
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;Rev Date Name Description
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;---------------------------------------------------------------
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;R13 06-04-2023 BAO ”ãªæ¨î SETBOOT ¬®¦® ¢ë§¢ âì ⮫쪮 à § (¥á«¨ § ¢¥àè¨âáï ª®à४â®)
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;R12 03-04-2023 BAO „®¡ ¢«¥ äãªæ¨ï à¥áª ¤à ©¢®¢ LD C,8 : RST #10
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;R11 - 15-04-2003 DNS ROUTINE FOR STORE CURDISK AND CURDIR
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;R10 - 03-04-2003 DNS IMPROVED FN. VERSION
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;R09 27-03-2003 DNS PASTED SET/GET BOOT FN.
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;R08 14-11-2002 DNS IMPROVE BPB-FUNCTION
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;R07 17-12-1999 DNS BUG FIX SIGNATURE #55AA AT 510 OFFSET
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;R06 21-11-1999 DNS FN. DISKINF SUPPORT ALL DISKS
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;R05 21-11-1999 DNS BUG FIX SIGNATURE #55AA IN BOOT SECTOR
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;R04 08-11-1999 DNS KILL OLD FUNCTIONS
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;R03 23-11-1998 DNS BUG FIX (IX+28) -> (IY+28)
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;R02 21-11-1998 DNS CHANGE FUNCTION "MAKE FAT"
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;R01 20-11-1998 DNS REPAIR FUNCTION "SAVE"
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;---------------------------------------------------------------
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;[BEGIN]
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;//MODULE: FAT_X
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;//CREATE: 19-05-1998 AUTHOR: Denis Parinov
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;//UPDATE: 24-10-1999 DNS Restore module
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;---------------------------------------------------------------
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;Rev Date Name Description
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;---------------------------------------------------------------
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;RX01 10-02-1999 DNS UPGRADE FAT CASH
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;---------------------------------------------------------------
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;----------------------------------------------------------------------;
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; HL - 11 bytes filename "FILENAMEEXT"
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; DE - DOS filename "FILENAME.EXT",0
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; GetName:
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; LD BC,#08FF
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; .GETN1: LD A,(HL)
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; CP " "
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; JR NZ,.GETN3
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; .GETN2: INC HL
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; DJNZ .GETN2
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; JR .GETN4
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; .GETN3: LDI
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; DJNZ .GETN1
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; ;
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; .GETN4: LD A,(HL)
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; CP " "
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; LD A,"."
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; JR NZ,.GETN5
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; LD A,#00
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; .GETN5: LD (DE),A
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; INC DE
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; RET Z
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; LD B,#03
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; .GETN6: LD A,(HL)
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; CP " "
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; RET Z
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; LDI
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; XOR A
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; LD (DE),A
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; DJNZ .GETN6
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; RET
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;---------------;---------------;---------------
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GetName:
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LD BC,#08FF ;!HARDCODE ¤«¨ ¨¬¥¨ + áçñâ稪
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LD A,' '
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.loop: CP (HL)
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JR Z,.skip
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LDI
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DJNZ .loop
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;;;;
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JP .extension
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;;;;
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.skip: LD C,B
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LD B,0
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; CF=0
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ADC HL,BC
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;;;;
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.extension:
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CP (HL)
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LD A,"."
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JR NZ,.copy_extension
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XOR A
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.copy_extension:
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LD (DE),A
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INC DE
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RET Z ;no copy extension
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; copy extension
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LD BC,#03FF ;!HARDCODE ¤«¨ à áè¨à¥¨ï + áçñâ稪
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LD A,' '
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.loop2: CP (HL)
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JR Z,.exit
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LDI
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DJNZ .loop2
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.exit: XOR A
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LD (DE),A
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RET
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;----------------------------------------------------------------------;
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;----------------------------------------------------------------------;
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; ’¥áâ ¤®¯ãá⨬®¥ ¨¬ï ¨ áâநâìáï ¤¨áª.
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; ¢å®¤: hl=áâப ¨¬¥¨
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; ¢ë室: (TMPNAME)
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GETWORD:
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; !TEST
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INC HL
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LD A,(HL)
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DEC HL
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CP ':'
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JR NZ,.dir_loop
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LD A,(HL)
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CP 'a'
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JR C,.next
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CP 'z'+1
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JR NC,.next
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SUB #20
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.next: SUB 'A'
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INC HL
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INC HL
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PUSH HL
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CALL CHNDISK
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;CALL OPENDSK
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POP HL
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RET C
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LD A,(HL)
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OR A
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JR Z,.done
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CP ' ' ;
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JR Z,.done
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CP '\' ;
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SCF
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LD A,DSS_Error.sys.PATH_NOT_FOUND
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RET NZ
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INC HL
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;
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.dir_loop:
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LD DE,TMPNAME
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LD BC,#0DFF
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;
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.loop: LD A,(HL)
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INC HL
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CP '\' ;
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JR Z,.DIR_NAME
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; AND A
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; JR Z,.DIR_NAME
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;CP ':'
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;JR Z,.DRV_NAME
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LD (DE),A
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INC DE
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CP ' '+1
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CCF
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RET NC
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DJNZ .loop
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LD A,DSS_Error.sys.INVALID_NAME
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SCF
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RET
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;
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.done: XOR A
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LD (TMPNAME),A
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RET
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;
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.DIR_NAME:
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XOR A
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LD (DE),A
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PUSH HL
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LD HL,TMPNAME
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CALL OPENDIR
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POP HL
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RET C
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JR .dir_loop
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; .DRV_NAME:
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; LD A,(TMPNAME)
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; CP 'a'
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; JR C,.next
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; CP '{'
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; JR NC,.next
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; SUB #20
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; .next: SUB 'A'
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; PUSH HL
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; ;!TEST CHNDISK OPENDSK
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; ;CALL OPENDSK
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; CALL CHNDISK
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; ;
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; POP HL
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; RET C
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; JR .loop
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;
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; <20>ãä¥à ¨¬¥¨ 8.3 ä®à¬ â
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TMPNAME: DZ ' ' ; 12 ¯à®¡¥«®¢ ¨ 0 ;!FIXIT ª ¡ãä¥à ¬
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;----------------------------------------------------------------------;
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;----------------------------------------------------------------------;
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; IN: A - drive number
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OPENDSK:;!TEST DRV.Open ®¡å®¤ R10
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LD C,A
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LD A,(FatBuffer.DRIVE)
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CP C
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IF CHECK_DRIVE_CHANGE
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JR NZ,.open
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PUSH BC
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LD C,Dss.DRV.MediaCheck
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RST ToDSS.DRV
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POP BC
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ENDIF
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JR Z,.exit
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.open: LD A,C
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;
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.force: PUSH AF
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LD C,Dss.DRV.Open
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RST ToDSS.DRV
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POP BC
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JP C,.error
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;[x] 29/02/2024 fix "open drive error"
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LD A,(FatBuffer.DRIVE)
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LD D,A
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PUSH DE
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;
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LD A,B
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LD (FatBuffer.DRIVE),A
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;
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CALL RD_BPB
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;[x] 29/02/2024 fix "open drive error"
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POP DE
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LD A,D
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JR C,.error_disk
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; RET C
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;
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.exit: LD A,(LDRIVE)
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AND A
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RET
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.error: CP DSS_Error.sys.INVALID_DRIVE
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SCF
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RET Z
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LD A,DSS_Error.sys.NOT_READY
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RET
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;[x] 29/02/2024 fix "open drive error"
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.error_disk:
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CALL OPENDSK.force
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LD A,(BOOTDSK.NUM)
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CALL C,OPENDSK.force
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; ¯à®¢¥àª ®è¨¡ªã
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LD HL,.NOT_READY
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LD E, +(80-.NOT_READY.size)/2 ; coord X
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LD BC,.NOT_READY.size
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JP C,KERNEL_PANIC
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;
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LD A,DSS_Error.sys.NOT_READY
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SCF
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RET
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;
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.NOT_READY: DZ "Boot drive not ready..."
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.NOT_READY.size EQU $-.NOT_READY
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;----------------------------------------------------------------------;
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;----------------------------------------------------------------------;
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; ¢å®¤: HL - ¨¬ï ¤¨à¥ªâ®à¨¨
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OPENDIR:;[x] some optimizations
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;XOR A
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;CALL SET_FM
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LD IY,CORE_BUFFERS.FM_BUF
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;
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LD A,(HL)
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OR A
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JR NZ,.SUBDIR
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.REROOT1:
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LD DE,0
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;[x] some optimizations
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; LD (IY+_sFM.FIRST_CLUSTER_L),E
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; LD (IY+_sFM.FIRST_CLUSTER_L+1),D
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; [ ] fat32
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EX DE,HL
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LD (CORE_BUFFERS.FM_BUF + _sFM.FS_REC.FIRST_CLUSTER_L),HL
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EX DE,HL
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;
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CALL LOADDIR
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LD HL,WorkDirectory
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LD (HL),'\'
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INC HL
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LD (HL),#00
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; CF=0
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;AND A
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RET
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.SUBDIR:
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CP "."
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JR NZ,.SUBDIR2
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;!TEST ;[x] some optimizations
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;LD A,(IY+_sFM.FIRST_CLUSTER_L) ;R005
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; [ ] fat32
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LD A,(CORE_BUFFERS.FM_BUF + _sFM.FS_REC.FIRST_CLUSTER_L) ;R005
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;
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OR (IY+_sFM.FS_REC.FIRST_CLUSTER_L+1) ;R005
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JR NZ,.SUDI1 ;R005
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INC HL ;R005
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LD A,(HL) ;R005
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OR A ;R005
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DEC HL ;R005
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JR Z,.REROOT1 ;R005
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.SUDI1: EXX
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LD HL,MASKARE
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LD DE,MASKARE+1
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LD BC,10 ;!HARDCODE
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LD (HL),' '
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LDIR
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EXX
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LD DE,MASKARE
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.loop: LDI
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LD A,(HL)
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OR A
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JR NZ,.loop
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JR .SUBDIR3
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.SUBDIR2:
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CALL MASK.name
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RET C
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.SUBDIR3:
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CALL FINDDIR
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RET C
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;!TEST ;[x] some optimizations
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;LD (IY+_sFM.FIRST_CLUSTER_L),E
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;LD (IY+_sFM.FIRST_CLUSTER_L+1),D
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;LD DE,#4000 ;!HARDCODE
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;LD (IY+_sFM.F_SIZE),E
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;LD (IY+_sFM.F_SIZE+1),D
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EX DE,HL
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LD (CORE_BUFFERS.FM_BUF + _sFM.FS_REC.FIRST_CLUSTER_L),HL ; [ ] fat32
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LD HL,#4000 ;!HARDCODE
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LD (CORE_BUFFERS.FM_BUF + _sFM.FS_REC.F_SIZE),HL
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EX DE,HL
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;
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JP LOADDIR
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; CF=0
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;AND A
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;RET
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;----------------------------------------------------------------------;
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;----------------------------------------------------------------------;
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; <20>८¡à §®¢ âì ¨¬ï 8.3 -> 11 ä®à¬ â
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; ¢å®¤: hl = 8.3 ¨¬ï
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; de = ¡ãä¥à ¨¬¥¨ 11 ᨬ¢. ä®à¬ â
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; ¯à¨ ®è¨¡ª¥ CF - ¥¤®¯. ¨¬ï
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;
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; HL - MASK "file*.t??"
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; DE - 11 bytes filename
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; RET: C=2 FILE WITHOUT EXTENTION
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; C=1 FILE WITH EXTENTION
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MASK: LD HL,TMPNAME
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.name: LD DE,MASKARE
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.custom: PUSH HL
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PUSH DE
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LD H,D
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LD L,E
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INC DE
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LD (HL),' '
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LD BC,10 ;!HARDCODE = size (FileName + Extension - 1)
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LDIR
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POP DE
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POP HL
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LD A,(HL)
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CP '.' ;R007
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SCF ;R007
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JR Z,.MASKB ;R007
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CP ' '+1
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.MASKB: LD A,DSS_Error.sys.INVALID_NAME
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RET C
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LD BC,#0902 ; B - áç¥â稪
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.MASK1: LD A,(HL)
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CP ' '+1
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CCF
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RET NC
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CP '"'
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JR Z,.MASK_ERR
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CP '*'
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JR Z,.MASK3
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CP '+'
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JR Z,.MASK_ERR
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CP ','
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JR Z,.MASK_ERR
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CP '.'
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JR Z,.MASK5
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CP '/'
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JR Z,.MASK_ERR
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CP ':'
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JR Z,.MASK_ERR
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CP ';'
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JR Z,.MASK_ERR
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CP '<'
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JR Z,.MASK_ERR
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CP '='
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JR Z,.MASK_ERR
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CP '>'
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JR Z,.MASK_ERR
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CP '['
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JR Z,.MASK_ERR
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CP '\'
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JR Z,.MASK_ERR
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CP ']'
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JR Z,.MASK_ERR
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CP '|'
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JR Z,.MASK_ERR
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; CP 'a' ;?????
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; JR C,.MASK2
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; CP 'z' + 1
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; JR NC,.MASK2
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; SUB #20
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CALL UPPER ; a..z -> A..Z
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.MASK2: LD (DE),A
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INC HL
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INC DE
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DJNZ .MASK1
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.MASK_ERR:
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LD A,DSS_Error.sys.INVALID_NAME
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SCF
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RET
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.MASK3: LD A,'?'
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INC HL
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DJNZ .MASK6
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LD A,DSS_Error.sys.INVALID_NAME
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SCF
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RET
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.MASK6: LD (DE),A
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INC DE
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DJNZ .MASK6
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LD B,1
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JR .MASK1
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.MASK5: LD A,' '
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INC HL
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DJNZ .MASK4
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LD B,4
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DEC C
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JP NZ,.MASK1
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LD A,DSS_Error.sys.INVALID_NAME
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SCF
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RET
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.MASK4: LD (DE),A
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INC DE
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DJNZ .MASK4
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LD B,4
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DEC C
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JP NZ,.MASK1
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LD A,DSS_Error.sys.INVALID_NAME
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SCF
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RET
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;----------------------------------------------------------------------;
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;----------------------------------------------------------------------;
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;!TEST Current Dir ;[x] 15/10/23
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DIR_PATH_CHANGE:
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.FullCurrent: LD A,(FatBuffer.DRIVE)
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ADD 'A'
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LD (CurrentPath),A
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;
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.Current: LD HL,CurrentDirectory
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JP CURRDIR
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;
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.FullWork: LD A,(CurrentPath)
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SUB 'A'
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LD (FatBuffer.DRIVE),A
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;
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.Work: LD HL,WorkDirectory
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JP CURRDIR_FN
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;
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DIR_PATH_CHECK: LD A,(HL)
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CP '\'
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JR NZ,.notRootDir
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;
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CALL .checkDrive
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RET Z
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LD A,(CurrentPath)
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SUB 'A'
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JP OPENDSK
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;
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.notRootDir: INC HL
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LD A,(HL)
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CP ':'
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RET Z
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;
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.forceCheck: ;LD HL,CurrentDirectory+1
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LD BC,CurrentDirectory.DEPTH-1
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CALL .checkDrive
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JR Z,.checkDir
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;
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LD HL,CurrentPath
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LD A,(FatBuffer.DRIVE)
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ADD 'A'
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CP (HL)
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JR NZ,.gotoPath
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;
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.checkDir: LD HL,CurrentDirectory+1
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LD DE,WorkDirectory+1
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;
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.loop: LD A,(DE)
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AND A
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JR Z,.end
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CP (HL)
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INC HL
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INC DE
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JR Z,.loop
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JP .gotoPath
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;
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.end: CP (HL)
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RET Z
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JR .gotoPath
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;
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.checkDrive: LD HL,CurrentPath
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LD A,(FatBuffer.DRIVE)
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ADD 'A'
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CP (HL)
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RET
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.gotoPath: CALL FINDDIR.CHECK_SLASH
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LD A,DSS_Error.sys.PATH_NOT_FOUND
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RET C
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LD HL,CurrentPath
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JP GETWORD
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;----------------------------------------------------------------------;
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;----------------------------------------------------------------------;
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CHECK_NAME:
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LD HL,MASKARE
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.custom: LD BC,11 ;!HARDCODE
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LD A,"?"
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CPIR
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LD A,DSS_Error.sys.INVALID_NAME
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SCF
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RET
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;----------------------------------------------------------------------;
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