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Начал перенос LOW LEVEL FDD FORMAT

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Tolik 2026-04-30 22:08:11 +10:00
parent 8955783ba6
commit 24e402bc81
4 changed files with 1662 additions and 65 deletions
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1652
FDD_LOW.asm Normal file
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2
Shared_Includes

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Subproject commit e1dc7ec10dc9c7e9153a05884e42973a57378a63
Subproject commit daae799b0dfc833d6bbbb8910910790f834996a3

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ddf_build.txt
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format.asm
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@ -2,69 +2,6 @@
; [ ] Dss.DRV.Open
; [ ] Dss.DRV.Close
; [ ] .SectorsPerFAT32 DWORD 0 error ¥á«¨ áâ à訩 ¡ ©â !=0
; [ ] .FAT.LABEL DB 'NO_LABEL ' ¤®¯®«­¨â¥«ì­® ¯¨á âì ¢ ª®à­¥¢ãî ¤¨à¥ªâ®à¨î
/*
BOOT_SECTOR EQU #00
.JMP EQU #00 ; BLOCK 3,0 BS_jmpBoot Jump to bootstrap (E.g. eb 3c 90; on i86: JMP 003E NOP. One finds either eb xx 90, or e9 xx xx.
.ID_NAME EQU #03 ; TEXT 8 BS_OEMName DOS NAME - DB "DSS_1.70"
; Block Parameters BIOS
.BytesPerSector GenIOCTL.GetParams 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
.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 2 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)
.SectorsPerDrive 0 EQU #13 ; WORD 1440 BPB_TotSec16 Ž¡é¥¥ ç¨á«® ᥪâ®à®¢ ­  ¤¨áª¥ (¥á«¨ 0, â® à §¬¥à - ¢ .BPB_BIG_TOTAL_SECTORS)
.DRIVE_TYPE !DRV_TYPE EQU #15 ; BYTE #F0 BPB_Media ’¨¯ ãáâனá⢠
.SectorsPerFAT16 0 EQU #16 ; WORD 2 BPB_FATSz16 <09> §¬¥à ®¤­®© FAT ¢ ᥪâ®à å (0 ¢ FAT32)
.SectorsPerTrack GenIOCTL.GetParams EQU #18 ; WORD 9 BPB_SecPerTrk <09> §¬¥à ¤®à®¦ª¨ ¢ ᥪâ®à å
.HEADS GenIOCTL.GetParams EQU #1A ; WORD 2 BPB_NumHeads ª®«¨ç¥á⢮ £®«®¢®ª
.HIDDEN EQU #1C ; DWORD 0 BPB_HiddSec ª®«¨ç¥á⢮ áªàëâëå ᥪâ®à®¢
.BPB_BIG_TOTAL_SECTORS_L EQU #20 ; WORD 0 BPB_TotSec32 BIG TOTAL SECTOR Low word
.BPB_BIG_TOTAL_SECTORS_H EQU #22 ; WORD 0 BPB_TotSec32 BIG TOTAL SECTOR High word
; FAT 32
.SectorsPerFAT32 EQU #24 ; DWORD 4 BPB_FATSz32 <09> §¬¥à ®¤­®© FAT ¢ ᥪâ®à å
.MainFATnumber 0 EQU #28 ; WORD 0 BPB_ExtFlags <09>®¬¥à £« ¢­®© â ¡«¨æë FAT
.Version 0 EQU #2A ; WORD 0 BPB_FSVer ‚¥àá¨ï FAT32 (®¡ëç­® 0)
.RootDirStartCluster 2 EQU #2C ; DWORD 2 BPB_RootClus <09>¥à¢ë© ª« áâ¥à ª®à­¥¢®£® ª â «®£  (®¡ëç­® 2)
.FSINFO_Sector 1 EQU #30 ; WORD 1 BPB_FSInfo <09>®¬¥à ᥪâ®à  áâàãªâãàë FSINFO (®¡ëç­® 1)
.CopyBootSector 6 EQU #32 ; WORD 6 BPB_BkBootSec <09>®¬¥à ᥪâ®à  - ª®¯¨¨ § £à㧮筮£® (®¡ëç­® 6)
.reserved_block: 0 EQU #34 ; BLOCK 12 BPB_Reserved ‡ à¥§¥à¢¨à®¢ ­®
.FDD_Number GenIOCTL.GetParams&#F0 EQU #40 ; BYTE 0 BS_DrvNum <09>®¬¥à ¤¨áª®¢®¤  ¤«ï ä㭪権 BIOS
.reserved_2: 0 EQU #41 ; BYTE 0 BS_Reserved1 ‡ à¥§¥à¢¨à®¢ ­®
.FAT32.EXT_BOOT_REC_SIGNATURE EQU #42 ; BYTE #29 BS_BootSig ‘¨£­ âãà  - #29
.FAT32.SERIAL_NUMBER EQU #43 ; DWORD 0 BS_VolID VOLUME SERIAL NUMBER
.FAT32.LABEL EQU #47 ; TEXT 11 BS_VolLab Œ¥âª  ¤¨áª 
.ID_FAT32 EQU #52 ; TEXT 8 BS_FilSysType €¡¡à¥¢¨ âãà  ä ©«®¢®© á¨á⥬ë
.BOOT_CODE_FAT32 EQU #5A
------------------------------------------------------------------------
!DRV_TYPE: GenIOCTL.GetParams - 䨧¨ç¥áª¨© ­®¬¥à
0,1 - BIOS.DRV_GET_PAR - ⨯ ä«®¯ àï
#8x - Hard Drive
®áâ «ì­®¥ ¯®¤ã¬ âì
;;;;;;;;;;;;;;;;;
¤«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
;;;;;;;;;;;;;;;;;
*/
@ -77,6 +14,7 @@ reserved_sectors = ( ((.HIDDEN + min_last_sector) & #0F)>0 ) * #10) - .HIDDEN
DEVICE ZXSPECTRUM4096 ; for debug
DEFINE INCREASE_BUILD
DEFINE fdd_low_enabled 0
includelua 'Shared_includes/lua/Functions.lua'
INCLUDE 'shared_includes/constants/SP2000.inc'
@ -1407,6 +1345,13 @@ GET_KEY_FAT: DI
;-----------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////
IF fdd_low_enabled
include 'fdd_low.asm'
ENDIF
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
include 'math.asm'
////////////////////////////////////////////////////////////////////////