Tolik-Trek/FORMAT
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Tolik 2026-01-29 00:03:48 +10:00
parent 6e9ce03009
commit e881028ea0
2 changed files with 18 additions and 6 deletions
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format/format.asm
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@ -804,7 +804,7 @@ BOOT_SECTOR EQU #00
; Block Parameters BIOS ; Block Parameters BIOS
.BytesPerSector DRV_GET_PAR (IX) EQU #0B ; WORD #200 BPB_BytsPerSec <09> §¬¥à ᥪâ®à  ¢ ¡ ©â å .BytesPerSector DRV_GET_PAR (IX) EQU #0B ; WORD #200 BPB_BytsPerSec <09> §¬¥à ᥪâ®à  ¢ ¡ ©â å
.SectorsPerCluster ;!TODO EQU #0D ; BYTE 2 BPB_SecPerClus <09> §¬¥à ª« áâ¥à  ¢ ᥪâ®à å .SectorsPerCluster ;!TODO EQU #0D ; BYTE 2 BPB_SecPerClus <09> §¬¥à ª« áâ¥à  ¢ ᥪâ®à å
.RESERVED_SECTORS ;!TODO EQU #0E ; WORD 1 BPB_ResvdSecCnt <09> §¬¥à á¨á⥬­®© ®¡« á⨠(¢ª«îç ï íâ®â ᥪâ®à) RESERVE SECTORS .RESERVED_SECTORS !RESERVED_SECTORS EQU #0E ; WORD 1 BPB_ResvdSecCnt <09> §¬¥à á¨á⥬­®© ®¡« á⨠(¢ª«îç ï íâ®â ᥪâ®à) RESERVE SECTORS
.Number_of_FATs ;!TODO EQU #10 ; BYTE 2 BPB_NumFATs Š®«¨ç¥á⢮ â ¡«¨æ FAT .Number_of_FATs ;!TODO EQU #10 ; BYTE 2 BPB_NumFATs Š®«¨ç¥á⢮ â ¡«¨æ FAT
.FilesInRootDIR 0 EQU #11 ; WORD 112 BPB_RootEntCnt —¨á«® ®¯¨á â¥«¥© ä ©«®¢ ¢ ª®à­¥¢®¬ ª â «®£¥ (¢ FAT32 - 0) .FilesInRootDIR 0 EQU #11 ; WORD 112 BPB_RootEntCnt —¨á«® ®¯¨á â¥«¥© ä ©«®¢ ¢ ª®à­¥¢®¬ ª â «®£¥ (¢ FAT32 - 0)
.SectorsPerDrive ;!TODO EQU #13 ; WORD 1440 BPB_TotSec16 Ž¡é¥¥ ç¨á«® ᥪâ®à®¢ ­  ¤¨áª¥ (¥á«¨ 0, â® à §¬¥à - ¢ .BPB_BIG_TOTAL_SECTORS) .SectorsPerDrive ;!TODO EQU #13 ; WORD 1440 BPB_TotSec16 Ž¡é¥¥ ç¨á«® ᥪâ®à®¢ ­  ¤¨áª¥ (¥á«¨ 0, â® à §¬¥à - ¢ .BPB_BIG_TOTAL_SECTORS)
@ -836,11 +836,23 @@ BOOT_SECTOR EQU #00
0,1 - BIOS.DRV_GET_PAR - ⨯ ä«®¯ àï 0,1 - BIOS.DRV_GET_PAR - ⨯ ä«®¯ àï
#8x - Hard Drive #8x - Hard Drive
®áâ «ì­®¥ ¯®¤ã¬ âì ®áâ «ì­®¥ ¯®¤ã¬ âì
;;;;;;;; ;;;;;;;;;;;;;;;;;
!RESERVED_SECTORS: predefined (¯®ª )
.FAT12_FDD EQU 1
.FAT12_HDD
.FAT16_HDD
.FAT32_HDD EQU
¤«ï ᬥ饭¨ï FAT ¤® ªà â­®£® 4096 §­ ç¥­¨ï:
1) tmp1 = ((.HIDDEN + min_last_sector) & #0F)>0 ) * #10
2) tmp2 = (.HIDDEN + min_last_sector) & #FFFF'FFF0
3) tmp3 = tmp2 + tmp1
4) error = (tmp3 >= #1000'0000) ; LBA28
reserved_sectors = ( ((.HIDDEN + min_last_sector) & #0F)>0 ) * #10) - .HIDDEN
;;;;;;;;;;;;;;;;;