mirror of
https://github.com/Tolik-Trek/FORMAT.git
synced 2026-06-15 01:11:39 +03:00
192 lines
6.4 KiB
Z80 Assembly
192 lines
6.4 KiB
Z80 Assembly
;ÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛ
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;ÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛ DATA ÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛ
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;ÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛÛ
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;-----------------------------------------------------------------------
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MODULE CONSTANTS
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FAT16 EQU 2 ; § ®¤® ¨ ¬®¦¨â¥«ì
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FAT12 EQU 3 ; § ®¤® ¨ ¬®¦¨â¥«ì
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FAT32 EQU 4 ; § ®¤® ¨ ¬®¦¨â¥«ì
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;
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FilesInRootDIR:
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.FDD_DD EQU 112
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.FDD_HD EQU 224
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.HDD EQU 512
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;
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FAT_ReservedSectors:
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.FDD EQU 1
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.HDD EQU 8
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.FAT32 EQU 32
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ENDMODULE
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;-----------------------------------------------------------------------
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;-----------------------------------------------------------------------
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MACRO FAT_TYPES_LINE vol_size, clu_size, fat_type
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WORD vol_size, clu_size
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BYTE fat_type
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ENDM
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MODULE TABLES
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; VOL SIZE CLUSTER SIZE FAT TYPE
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FAT_TYPES: FAT_TYPES_LINE #0800, 32768, CONSTANTS.FAT32 ; > 32768
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FAT_TYPES_LINE #0400, 16384, CONSTANTS.FAT32 ; 16384..32768 Mb
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FAT_TYPES_LINE #0200, 8192, CONSTANTS.FAT32 ; 8192..16384 Mb
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FAT_TYPES_LINE #0100, 4096, CONSTANTS.FAT32 ; 4096..8192 Mb
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FAT_TYPES_LINE #0080, 32768, CONSTANTS.FAT16 ; 2048..4096 Mb
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FAT_TYPES_LINE #0040, 16384, CONSTANTS.FAT16 ; 1023..2048 Mb
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FAT_TYPES_LINE #0020, 8192, CONSTANTS.FAT16 ; 511..1023 Mb
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FAT_TYPES_LINE #0010, 4096, CONSTANTS.FAT16 ; 256..511 Mb
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FAT_TYPES_LINE #0008, 2048, CONSTANTS.FAT16 ; 128..256 Mb
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FAT_TYPES_LINE #0004, 1024, CONSTANTS.FAT16 ; 64..128 Mb
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FAT_TYPES_LINE #0002, 512, CONSTANTS.FAT16 ; 32..64 Mb
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; ¥á«¨ ¬¥ìè¥, â® FAT12
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.LineSize EQU 5
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.Records EQU ($ - FAT_TYPES)/.LineSize
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ENDMODULE
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;-----------------------------------------------------------------------
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;-----------------------------------------------------------------------
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VARIABLES EQU $
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.FAT_TYPE BYTE CONSTANTS.FAT12 ; [x]
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.CurrentDrive DB #FF ; [x]
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.VOLUME_SIZE_BYTES BLOCK 5,0 ; [ ]
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;.FatFDD_ReservedSectors WORD 1
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;.FatHDD_ReservedSectors WORD 8
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;.Fat32_ReservedSectors WORD 32
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.ReservedSectors WORD 0 ; [ ]
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.RootDirSectors D24 0 ; [ ]
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.NotUsedSpace BYTE 0 ; in sectors
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.total_clusters_L: WORD 0 ; [x]
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.total_clusters_H: WORD 0 ; [x]
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.FAT32_RootDirClusters WORD 1 ; [ ]
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.FAT.LABEL BYTE 'NO_LABEL ' ; [ ]
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.DriveExtendedParameters BYTE 0 ; [ ]
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.DataSectors_L WORD 0 ; [ ]
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.DataSectors_H WORD 0 ; [ ]
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.RootDirFirstSector_L WORD 0 ; [x] ¢ëç¨á«ï¥âáï ¢ FORMAT_DRIVE
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.RootDirFirstSector_H WORD 0 ; [x] ¢ëç¨á«ï¥âáï ¢ FORMAT_DRIVE
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;-----------------------------------------------------------------------
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;-----------------------------------------------------------------------
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MODULE KEYS_PARAMETERS
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STRUCT KEYS_STR
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.Status BYTE 0 ; ‘â âãá ª«îç
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.Key BYTE 0 ; Š«îç
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.Data WORD 0 ; „ ë¥
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.Procedure WORD 0 ; ®¡à ¡®â稪
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ENDS
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MACRO KEY_DATA key?, proc?
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; BYTE 0 ; ‘â âãá ª«îç
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; BYTE key? ; Š«îç
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; WORD 0 ; „ ë¥
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; WORD proc? ; ®¡à ¡®â稪
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KEYS_STR 0, key?, 0, proc?
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ENDM
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;-----------------------;
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TABLE: EQU $
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;
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ONLY_HELP KEY_DATA '?', SHOW_HELP ; [ ] BYTE ; ¢ë¢®¤ á¯à ¢ª¨
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LABEL KEY_DATA 'l', SET_LABEL ; [ ] WORD ; áá뫪 ¯à®æ¥¤ãàã ¨¨â ¬¥âª¨
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FAT_TYPE KEY_DATA 't', GET_KEY_FAT ; [ ] BYTE ;
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SectorsPerCluster: KEY_DATA 'c', STRING_TO_WORD ; [ ] BYTE ;
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FilesInRootDIR: KEY_DATA 'd', STRING_TO_WORD ; [ ] WORD ;
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Number_of_FATs: KEY_DATA 'n', STRING_TO_WORD ; [ ] BYTE ;
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RESERVED_SECTORS: KEY_DATA 'r', STRING_TO_WORD ; [ ] WORD ;
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LOW_FORMAT KEY_DATA 'u', 0 ; [ ] BYTE ; ¤«ï ¤¨áª¥â
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BytesPerSector KEY_DATA 's', STRING_TO_WORD ; [ ] WORD ;
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;
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TABLE.Size EQU $-TABLE
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TABLE.Elements EQU TABLE.Size / KEYS_STR
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;-----------------------;
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;
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; áâ âãá
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Status.Off EQU 0
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Status.On EQU 1
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Status.Ignored EQU 2
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; ‘â âãá ª«îç :
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; 0 - ¥ ãáâ ®¢«¥
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; 1 - ãáâ ®¢«¥
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; 2 - ¨£®à¨àã¥âáï
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/*
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FilesInRootDIR
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„«ï ⮬®¢ FAT12 ¨ FAT16 íâ® § 票¥ ¢á¥£¤ ¤®«¦® 㪠§ë¢ âì
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ª®«¨ç¥á⢮, ª®â®à®¥ ¯à¨ 㬮¦¥¨¨ 32 ¤ ¥â ç¥â®¥ ç¨á«®, ªà ⮥
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BPB_BytsPerSec. „«ï ¬ ªá¨¬ «ì®© ᮢ¬¥á⨬®á⨠¤«ï ⮬®¢ FAT16 á«¥¤ã¥â
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¨á¯®«ì§®¢ âì § 票¥ 512.
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*/
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ENDMODULE
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;-----------------------------------------------------------------------
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;-----------------------------------------------------------------------
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; root_dir_sectors = ((root_dir_entries * 32) + (bytes_per_sector - 1)) / bytes_per_sector
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FAT_PARAMETERS:
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.PART1 EQU $
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;
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.JMP: BYTE #EB,#FE,#00 ; [x] opcode jmp $
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.ID_NAME BYTE "DDF " ; DSS Drive Formatter
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.ID_NAME_VER BYTE "0."
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.ID_NAME_MOD BYTE "00"
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.BytesPerSector: WORD #200 ; predefined ; [x]
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.SectorsPerCluster: BYTE 0 ; [x]
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.RESERVED_SECTORS: WORD 0 ; [x]
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.Number_of_FATs: BYTE 2 ; predefined ; [x]
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.FilesInRootDIR: WORD 0 ; FAT32 constant ; [x]
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.SectorsPerDrive: WORD 0 ; FAT32 constant ; [x] +-
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.DRIVE_TYPE: BYTE 0 ; ; [x] +-
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.SectorsPerFAT16: WORD 0 ; FAT32 constant ; [x]
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.SectorsPerTrack WORD 9 ; BPB_SecPerTrk ; [x]
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.HEADS WORD 2 ; [x]
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.HIDDEN DWORD 0 ; ®â ç « MBR, extMBR ; [x]
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.BPB_BIG_TOTAL_SECTORS_L WORD 0 ; [x] +-
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.BPB_BIG_TOTAL_SECTORS_H WORD 0 ; [x] +-
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.PART1_SIZE EQU $ - .PART1
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; FAT 12, FAT 16
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.PART2_FAT12_16 EQU $
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;
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.BPB_PHISICAL_DRIVE_NUMBER BYTE #80 ; [x]
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.reserved_1 BYTE 0 ; predefined ;
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; .FAT.EXT_BOOT_REC_SIGNATURE BYTE #29 ; constant ;
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; .FAT.SERIAL_NUMBER DWORD 0 ;
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; .FAT.LABEL DB 'NO_LABEL ' ;
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; .ID_FAT DB 'FAT16 ' ;
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.PART2_FAT12_16_END EQU $
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; FAT32
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.PART2_FAT32 EQU $
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;
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.SectorsPerFAT32 DWORD 0 ; [x] ;!TODO error ¥á«¨ áâ à訩 ¡ ©â !=0
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.MainFATnumber WORD 0 ; BPB_ExtFlags ;
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.Version WORD 0 ; constant ;
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.RootDirStartCluster DWORD 2 ; FIXED! ¨á¯®«ì§ã¥âáï ¢ ä®à¬ã«¥
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.FSINFO_Sector WORD 1 ; constant ;
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.CopyBootSector WORD 6 ; constant ;
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.reserved_block: BLOCK 12 ; constant ;
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.FDD_Number BYTE 0 ; [x]
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.reserved_2: BYTE 0 ; constant ;
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; .FAT32.EXT_BOOT_REC_SIGNATURE BYTE #29 ; constant ;
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; .FAT32.SERIAL_NUMBER DWORD 0 ;
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; .FAT32.LABEL DB 'NO_LABEL ' ;
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; .ID_FAT32 DB 'FAT32 ' ;
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.PART2_FAT32_SIZE EQU $ - .PART2_FAT32
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; SHARED
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.PART3_SHARED EQU $
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;
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.EXT_BOOT_REC_SIGNATURE BYTE #29 ; constant ;
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.SERIAL_NUMBER_1 WORD 0 ; [x]
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.SERIAL_NUMBER_2 WORD 0 ; [x]
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.LABEL DB 'NO_LABEL ' ; [x]
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.LABEL.Size EQU $-.LABEL
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.ID_FAT DB 'FAT32 ' ; [ ]
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.PART3_SHARED_SIZE EQU $ - .PART3_SHARED
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;-----------------------------------------------------------------------
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;-----------------------------------------------------------------------
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;----------------------------------------------------------------------- |