mirror of
https://github.com/Tolik-Trek/Estex-DSS.git
synced 2026-06-15 09:21:47 +03:00
bb63a4071d
SYS: Загрузка System.dos > #4000 байтов. Исправлен баг с ненужной проверкой расстояния от BPB до FAT для HDD. SHELL: мелкие правки
127 lines
4.9 KiB
PHP
127 lines
4.9 KiB
PHP
;
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STRUCT _sStack ; 256 bytes
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.buffer BLOCK 256,0
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.SPoint BYTE 0
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ENDS
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;
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;
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STRUCT _sEXE_HEADER ; 512 bytes
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.EXE_EXT TEXT 3,{"EX","E"}
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.VERSION BYTE 0
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.OFFCOD1 WORD 0
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.OFFCOD2 WORD 0
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.LOADER WORD 0
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.RESERVED BLOCK 6,0
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.LD_ADDR WORD 0
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.PC_REG WORD 0
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.SP_REG WORD 0
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.RESERVED2 BLOCK 490,0
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ENDS
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;
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;File Manipulator (FM)
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;[ ] fat32
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STRUCT _sFM ; 51 bytes
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; from FAT
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; .NAME: TEXT 8,{". "," "} ;+ #00 +00 NAME
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; .EXT: TEXT 3,{" "," "} ;+ #08 +08 EXT
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; .ATTRIBUT: BYTE #10 ;+ #0B +11 ATTRIBUT
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; .RESERVED_NT: BYTE #00 ;+ #0C +12 RESERVED
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; .RESERVED_FAT32: BYTE #00 ;+ #0D +13 RESERVED
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; .CREATE_TIME_FAT32: WORD #0000 ;+ #0E +14 RESERVED
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; .CREATE_DATE_FAT32: WORD #0000 ;+ #10 +16 RESERVED
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; .RESERVED_FAT32_1: WORD #0000 ;+ #12 +18 RESERVED
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; .FIRST_CLUSTER_H: WORD #0000 ;+ #14 +20 RESERVED
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; .TIME: WORD #0000 ;+ #16 +22 TIME
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; .DATE: WORD #0000 ;+ #18 +24 DATE
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; .FIRST_CLUSTER_L: WORD #0000 ;+ #1A +26 START CLUSTER ; [ ] fat32
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; .F_SIZE: DWORD #00000000 ;+ #1C +28 SIZE FILE
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.FS_REC: _sFAT_DIRECTORY_RECORD
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; from Core
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.F_POSITION: DWORD #00000000 ;+ #20 +32 FILE POSITION (FP)
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.DIR_CLUSTER_L: WORD #0000 ;+ #24 +36 DIRECTORY CLUSTER LOW
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.DIR_CLUSTER_H: WORD #0000 ;+ #24 +38 DIRECTORY CLUSTER HIGH ; [x] fat32
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.HANDLE: WORD #0000 ;+ #28 +40 HANDLE NUMBER
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.DRIVE: BYTE #00 ;+ #2A +42 DRIVE OR CURRENT
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.ACCESS_MODE: BYTE #00 ;+ #2B +43 ACCESS MODE
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.TASK_NUM: BYTE #00 ;+ #2C +44 TASK
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.OptimizedClusters BYTE #00 ;+ #2D +45
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.KnownCluster_L: WORD #0000 ;+ #2E +46 Œ« ¤è¥¥ á«®¢® ®¬¥à ª« áâ¥à ¤«ï ª®â®à®£® ¨§¢¥áâ® ®â®á¨â¥«ì®¥ ᬥ饨¥ ¢ãâà¨ ä ©«
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.KnownCluster_H: WORD #0000 ;+ #30 +48 ‘â à襥 á«®¢® ®¬¥à ª« áâ¥à ¤«ï ª®â®à®£® ¨§¢¥áâ® ®â®á¨â¥«ì®¥ ᬥ饨¥ ¢ãâà¨ ä ©«
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.KnownOffset_L: WORD #0000 ;+ #32 +50 Œ« ¤è¥¥ á«®¢® ᬥ饨ï (¢ ª« áâ¥à å) ®â®á¨â¥«ì® ç « ä ©« ¤«ï á®åà ¥®£® ®¬¥à ª« áâ¥à .
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.KnownOffset_H: WORD #0000 ;+ #34 +52 ‘â à襥 á«®¢® ᬥ饨ï (¢ ª« áâ¥à å) ®â®á¨â¥«ì® ç « ä ©« ¤«ï á®åà ¥®£® ®¬¥à ª« áâ¥à .
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ENDS
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;ACCESS MODE: A=0 ç⥨¥/§ ¯¨áì
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; A=1 ç⥨¥
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; A=2 § ¯¨áì
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; ;!TODO A=3 § ¯¨áì ¡¥§ «¨è¨å á®åà ¥¨© ªíè FAT
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; ;!TODO A=4 § ¯¨á âì ªíè FAT
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;
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;
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; NAM EQU 0 ; LEN4 EQU 31
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; EXT EQU 8 ; POS1 EQU 32
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; ATR EQU 11 ; POS2 EQU 33
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; TIM1 EQU 22 ; POS3 EQU 34
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; TIM2 EQU 23 ; POS4 EQU 35
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; DAT1 EQU 24 ; DIRCLU1 EQU 36
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; DAT2 EQU 25 ; DIRCLU2 EQU 37
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; CLU1 EQU 26 ; HND1 EQU 38
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; CLU2 EQU 27 ; HND2 EQU 39
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; LEN1 EQU 28 ; FDRV EQU 40
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; LEN2 EQU 29 ; AMODE EQU 41
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; LEN3 EQU 30 ; FTASK EQU 42
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;
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STRUCT _sFatBuffer
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;.MSG: BYTE 'FAT'
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.DRIVE: BYTE #FF
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.FAT_TYPE: BYTE #00 ; TYPE FAT (12 - 12bit, 16 - 16bit, 32 - 32bit) ; [x] fat32
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.CacheBlock: WORD #0000
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.CacheUpdated: BYTE #00
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;.SectorsPerBank: BYTE #00
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.RootDirStartCluster_L: WORD #0000
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.RootDirStartCluster_H: WORD #0000 ; [ ] fat32
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.FAT1_SEC_L: WORD #0000 ; MSD_FAT_SEC first sector FAT (FAT_FRM)
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.FAT1_SEC_H: WORD #0000 ; [ ] fat32
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.FAT2_SEC_L: WORD #0000
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.FAT2_SEC_H: WORD #0000 ; [ ] fat32
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.SectorsPerFAT_L WORD #0000
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.SectorsPerFAT_H BYTE #00
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.RootDirFirstSector_L: WORD #0000 ; MSD_CAT_SEC first sector DIR
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.RootDirFirstSector_H: WORD #0000 ; MSD_CAT_SEC first sector DIR ; !TODO ®£à ¨ç¥¨¥ ¢ 32 ƒ¨£ ;!FIXIT ¥ ¨á¯®«ì§ã¥âáï
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.DirSizeInSectors: BYTE #00 ; DIR_SEC_SIZE
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.FirstDataSector_L: WORD #0000 ; MSD_DAT_SEC low
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.FirstDataSector_H: WORD #0000 ; MSD_DAT_SEC high ; [ ] fat32 ¡ë«® ®£à ¨ç¥¨¥ ¢ 32 ƒ¨£
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.BytesPerCluster: WORD #0000 ; CLUSTER_LEN
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.END_CHAIN_CLUSTER_L: WORD #FFFF
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.END_CHAIN_CLUSTER_H: WORD #0FFF ; [ ] fat3
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.MaxClusterLow: WORD #0000 ; ¬ ªá. ç¨á«® ª« áâ¥à®¢ (¡¥§ á«ã¦.)
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.MaxClusterHigh: WORD #0000 ; ¬ ªá. ç¨á«® ª« áâ¥à®¢ (¡¥§ á«ã¦.)
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;
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.BytesPerSector WORD #0000
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.SectorsPerCluster BYTE #00
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.BPB_SERIAL_NUMBER DWORD #00000000
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.BPB_LABEL BLOCK 11,' ' ; 11 ¤«ï FAT, 31 ¤«ï CDFS
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; IF COMPILE_UNUSED_CODE
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; .FilesPerSector: BYTE #00 ; ç¨á«® ä ©«®¢ëå § ¯¨á¥© ¢ ᥪâ®à¥
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; .ClustersPerBank: BYTE #00 ; A - Clusters per bank (16k) (ç¨á«® ª« áâ¥à®¢ ¡«®ª Ž‡“)
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; ENDIF
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;.READ_PG: BYTE #00 ;!TODO ¥ ¨á¯®«ì§ãîâáï ¥ª®â®àë¥ § 票ï, ® § ¤ã¬ª ¥¯«®å ï)))
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;.S_X_H: DWORD #0000 ; ª®«¨ç¥á⢮ ᥪâ®à®¢ 樫¨¤à¥
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ENDS
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;
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;
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STRUCT _sBuffers
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.FileManipulator _sFM ; 44 bytes + 44 bytes * (FMCOUNT-1)
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.FM_RESERVE BLOCK _sFM * (FMCOUNT-1),0 ;
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.FatBuffer _sFatBuffer
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;.BootSector BLOCK 90,0 ; _sBOOT_SECTOR_PARAMS: 62 bytes FAT16, 90 bytes FAT32
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.EXE_Header _sEXE_HEADER ; 512 bytes
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.Stack _sStack ; 256 bytes
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.Buffer BLOCK 512,0 ; FOR BUFFER & SECBUF
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.MemoryTable BLOCK 256,0 ; 256 bytes
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ENDS
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; |