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sys: fixed a bug in GETROOT reported by Roman Boykov.

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comment fixed
This commit is contained in:
Anatoliy Belyanskiy 2024-06-28 00:38:22 +10:00
parent 8c1b27e2af
commit eb3ee21087
1 changed files with 85 additions and 85 deletions
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170
BOOT/DSSBOOT.ASM
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@ -14,11 +14,11 @@
MODULE DSS_Boot_Loader
; BIOS 3.06 § £à㦠¥â ®¤¨­ ᥪâ®à § £àã§ç¨ª  ¨ ¯¥à¥¤ ñâ ¥¬ã ã¯à ¢«¥­¨¥.
; BIOS 3.06 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>㦠<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> ᥪ<><E1A5AA> <20><><EFBFBD><EFBFBD><EFBFBD>稪<EFBFBD> <20> <20><>।<EFBFBD><E0A5A4><EFBFBD> <20><><EFBFBD> <20>ࠢ<EFBFBD><E0A0A2><EFBFBD><EFBFBD><EFBFBD>.
; 0 - ®à¨£¨­ «ì­ë© ¢ à¨ ­â § ¯ã᪠ DSS, 1 - ¢ à¨ ­â ‘ ©¬ ­ 
; 0 - <EFBFBD>ਣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ਠ<EFBFBD><E0A8A0> <20><><EFBFBD><EFBFBD>᪠ DSS, 1 - <20><>ਠ<EFBFBD><E0A8A0> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
DEFINE ORIGINAL_DSS 0
; 1 - ¡ã¤¥â £à㧨âì ¢¥àá¨î ‘ ©¬ ­  ¨ ®á­®¢­ãî. 0 - ⮫쪮 ®á­®¢­ãî.
; 1 - <EFBFBD>㤥<EFBFBD> <20><>㧨<EFBFBD><E3A7A8> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20>᭮<EFBFBD><E1ADAE><EFBFBD><EFBFBD>. 0 - ⮫쪮 <20>᭮<EFBFBD><E1ADAE><EFBFBD><EFBFBD>.
DEFINE UNIVERSAL_BOOT 1
;------------------------------------------------------------------------------
@ -43,7 +43,7 @@ DRIVE: _mSYSID
; LD SP,#C000
; ;
LD (DRIVE),A
;[ ] 17.12.2023 § £à㧪  á  ªâ¨¢­®£® à §¤¥« ,   ­¥ á ¯¥à¢®£®
;[ ] 17.12.2023 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>㧪<EFBFBD> <20> <20><>⨢<EFBFBD><E2A8A2><EFBFBD><EFBFBD> ࠧ<><E0A0A7><EFBFBD><EFBFBD>, <20> <20><> <20> <20><>ࢮ<EFBFBD><E0A2AE>
XOR A
LD (DRIVE+1),A
;
@ -59,7 +59,7 @@ DRIVE: _mSYSID
BIT 7,A
JR Z,GOOD_DRIVE
EX DE,HL
LD DE,2*256 + 21 ;!HARDCODE ¥á«¨ ¢¥àá¨ï ­¨¦¥ 2.21, â® ®è¨¡ª 
LD DE,2*256 + 21 ;!HARDCODE <EFBFBD>᫨ <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> 2.21, <20> <20>訡<EFBFBD><E8A8A1>
SBC HL,DE
LD HL,MESSAGES.INCORR
RET C ; goto FAIL
@ -67,7 +67,7 @@ DRIVE: _mSYSID
GOOD_DRIVE: LD DE,#8200 ;!HARDCODE
LD HL,0
LD IX,2
LD BC,LOAD_SECTORS*256 + BIOS.DRV_READ ; ¤®§ £à㧪  ᥪâ®à®¢ § £àã§ç¨ª 
LD BC,LOAD_SECTORS*256 + BIOS.DRV_READ ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㧪<EFBFBD> ᥪ<>஢ <20><><EFBFBD><EFBFBD><EFBFBD>稪<EFBFBD>
LD A,(DRIVE)
RST ToBIOS_18
JP NC,CONTINUE
@ -164,7 +164,7 @@ CONTINUE: LD HL,0
;
LD HL,MESSAGES.NO_SYS
RET C ; goto FAIL
; [ ] § £à㧪  system.dos ¡®«ìè¥ #4000 ¡ ©â®¢
; [ ] <EFBFBD><EFBFBD><EFBFBD><EFBFBD>㧪<EFBFBD> system.dos <20><><EFBFBD><EFBFBD><EFBFBD> #4000 <20><><EFBFBD>⮢
LD HL,(FSIZE1)
LD A,H
OR L
@ -177,14 +177,14 @@ CONTINUE: LD HL,0
.set_no_size: LD (LOAD_CORE.BIG_CORE),A
OR A
PUSH AF
; § £à㧪 
; <EFBFBD><EFBFBD><EFBFBD><EFBFBD>㧪<EFBFBD>
EXX
LD HL,(FCLUSTER_H)
EXX
LD HL,(FCLUSTR_L)
LD DE,#C000
CALL LOAD_CORE
; [ ] § £à㧪  system.dos ¡®«ìè¥ #4000 ¡ ©â®¢
; [ ] <EFBFBD><EFBFBD><EFBFBD><EFBFBD>㧪<EFBFBD> system.dos <20><><EFBFBD><EFBFBD><EFBFBD> #4000 <20><><EFBFBD>⮢
EX AF,AF'
POP AF
JR Z,.no_big_core
@ -195,10 +195,10 @@ CONTINUE: LD HL,0
LD (LOAD_CORE.BANKDOS),A
LD A,SUBLOAD_SIZE
LD (LOAD_CORE.max_sectors),A
LD (LOAD_CORE.BIG_CORE),A ; ⥯¥àì íâ® áçñâ稪 ®áâ ¢è¨åáï ᥪâ®à®¢
LD (LOAD_CORE.BIG_CORE),A ; ⥯<EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD>稪 <20><>⠢<EFBFBD><E2A0A2><EFBFBD><EFBFBD> ᥪ<>஢
;
LD A,(BOOT_BUFFER + BOOT_SECTOR.SectorsPerCluster)
CP #20 + 1 ; !HARDCODE ª®«-¢® § £à㦠¥¬ëå ᥪâ®à®¢
CP #20 + 1 ; !HARDCODE <EFBFBD><EFBFBD><EFBFBD>-<2D><> <20><><EFBFBD><EFBFBD>㦠<EFBFBD><E3A6A0><EFBFBD><EFBFBD> ᥪ<>஢
JP NC,INC_SECTOR_NUM
;CALL R_F_FAT ; next cluster in chain
CALL READ_FROM_FAT ; next cluster in chain
@ -223,11 +223,11 @@ RUN_CORE: DI
;
;DOS LOADED
;IF UNIVERSAL_BOOT
;[ ] 17.12.2023 § £à㧪  á  ªâ¨¢­®£® à §¤¥« ,   ­¥ á ¯¥à¢®£®
LD A,(DRIVE+1) ; ­®¬¥à à §¤¥« 
;[ ] 17.12.2023 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>㧪<EFBFBD> <20> <20><>⨢<EFBFBD><E2A8A2><EFBFBD><EFBFBD> ࠧ<><E0A0A7><EFBFBD><EFBFBD>, <20> <20><> <20> <20><>ࢮ<EFBFBD><E0A2AE>
LD A,(DRIVE+1) ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ࠧ<><E0A0A7><EFBFBD><EFBFBD>
LD L,A
;
LD A,(DRIVE) ; ­®¬¥à ãáâனá⢠
LD A,(DRIVE) ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>ன<EFBFBD>⢠
LD C,Dss.Version
RST ToDSS
JP C,FAIL.NULL
@ -260,7 +260,7 @@ RUN_CORE: DI
; LD A,(DRIVE)
; LD BC,Dss.BootDSK.Set
; RST ToDSS
; LD B‘,Dss.BootDSK.Get
; LD B<EFBFBD>,Dss.BootDSK.Get
; ENDIF
;ENDIF
;
@ -286,7 +286,7 @@ RUN_CORE: DI
;
INC_SECTOR_NUM: PUSH DE
CALL CLUSTER_TO_SECTOR
LD DE,#20 ;!HARDCODE ª®«¨ç¥á⢮ ¯à®ç¨â ­­ëå ᥪâ®à®¢
LD DE,#20 ;!HARDCODE <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⢮ <20><><EFBFBD>⠭<EFBFBD><E2A0AD><EFBFBD> ᥪ<>஢
ADD IX,DE
JR NC,.no_inc
INC HL
@ -294,8 +294,8 @@ INC_SECTOR_NUM: PUSH DE
POP DE
LD BC,RUN_CORE
PUSH BC
PUSH HL ; ¤«ï ¡ « ­á 
PUSH HL ; ¤«ï ¡ « ­á 
PUSH HL ; <EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
PUSH HL ; <EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
JP LOAD_CORE.subload
;
@ -314,7 +314,7 @@ PART_TB: LD HL,(BOOT_BUFFER + BOOT_SECTOR.MBR_SIGNATURE)
;LD HL,YEPDOS
;
.part_loop: LD A,(IX + _sMBR_PARTITION_RECORD.FS_ID)
; …‘‹ˆ ¤®¡ ¢¨âáï ¯®¤¤¥à¦ª  ¥éñ ­¥áª®«ìª¨å ⨯®¢ ”‘, â® ¯®¬¥­ïâì 1fs ­  2fs
; <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>প<EFBFBD> <20><><EFBFBD> <20><>᪮<EFBFBD>쪨<EFBFBD> ⨯<><E2A8AF> <20><>, <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1fs <20><> 2fs
; 1
CP PartitionSysTypes.FAT16_LBA
JR Z,YEPDOS
@ -362,13 +362,13 @@ PART_TB: LD HL,(BOOT_BUFFER + BOOT_SECTOR.MBR_SIGNATURE)
;
;
YEPDOS: ;[ ] 17.12.2023 § £à㧪  á  ªâ¨¢­®£® à §¤¥« ,   ­¥ á ¯¥à¢®£®
YEPDOS: ;[ ] 17.12.2023 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>㧪<EFBFBD> <20> <20><>⨢<EFBFBD><E2A8A2><EFBFBD><EFBFBD> ࠧ<><E0A0A7><EFBFBD><EFBFBD>, <20> <20><> <20> <20><>ࢮ<EFBFBD><E0A2AE>
LD A,#80
CP (IX + _sMBR_PARTITION_RECORD.isActive)
JR NZ,PART_TB.next
LD A,4 ;!HARDCODE áç¥â稪 § ¯¨á¥© ¯ àâ¨æ¨© ¢ MBR
LD A,4 ;!HARDCODE <EFBFBD><EFBFBD><EFBFBD>稪 <20><><EFBFBD><EFBFBD>ᥩ <20><><EFBFBD><EFBFBD>権 <20> MBR
SUB B
PUSH AF ; ­®¬¥à § £à㧮筮£® à §¤¥« 
PUSH AF ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>㧮筮<E3A7AE><E7ADAE> ࠧ<><E0A0A7><EFBFBD><EFBFBD>
;
LD L,(IX + _sMBR_PARTITION_RECORD.Start_LBA + 0)
LD H,(IX + _sMBR_PARTITION_RECORD.Start_LBA + 1)
@ -382,10 +382,10 @@ YEPDOS: ;[ ] 17.12.2023
LD DE,BOOT_BUFFER
LD BC,1*256 + BIOS.DRV_READ
RST ToBIOS_18
;[ ] 17.12.2023 § £à㧪  á  ªâ¨¢­®£® à §¤¥« ,   ­¥ á ¯¥à¢®£®
;[ ] 17.12.2023 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>㧪<EFBFBD> <20> <20><>⨢<EFBFBD><E2A8A2><EFBFBD><EFBFBD> ࠧ<><E0A0A7><EFBFBD><EFBFBD>, <20> <20><> <20> <20><>ࢮ<EFBFBD><E0A2AE>
POP AF
POP BC
LD L,A ; ­®¬¥à § £à㧮筮£® à §¤¥« 
LD L,A ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>㧮筮<E3A7AE><E7ADAE> ࠧ<><E0A0A7><EFBFBD><EFBFBD>
LD A,C
;
RET
@ -409,7 +409,7 @@ GET_BPB: LD HL,#0000
LD A,(DRIVE)
RST ToBIOS_18
RET C
; ¯¥à¥ª¨¤ë¢ ­¨¥ ç á⨠§ £àã§ç¨ª  ¨§ 0 ᥪâ®à 
; <EFBFBD><EFBFBD>४<EFBFBD><EFBFBD>뢠<EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>稪<EFBFBD> <20><> 0 ᥪ<><E1A5AA>
LD HL,BOOT_BUFFER + (_sBOOT_SECTOR.PARTITION_TABLE - ZERO_SECTOR_OF_BPB.Size)
LD DE,ZERO_SECTOR_OF_BPB
LD BC,ZERO_SECTOR_OF_BPB.Size
@ -423,7 +423,7 @@ GET_BPB: LD HL,#0000
JR NZ,.NX1
CALL PART_TB ;HDD
RET C
;[ ] 17.12.2023 § £à㧪  á  ªâ¨¢­®£® à §¤¥« ,   ­¥ á ¯¥à¢®£®
;[ ] 17.12.2023 <EFBFBD><EFBFBD><EFBFBD><EFBFBD>㧪<EFBFBD> <20> <20><>⨢<EFBFBD><E2A8A2><EFBFBD><EFBFBD> ࠧ<><E0A0A7><EFBFBD><EFBFBD>, <20> <20><> <20> <20><>ࢮ<EFBFBD><E0A2AE>
LD (DRIVE+1),HL
;
.NX1: CP #00
@ -534,7 +534,7 @@ GET_BPB: LD HL,#0000
JP NC,.loop3
.loop3.end: ;
LD (FatBuffer.BytesPerCluster),HL
; LD DE,#8001 ; ¯à®¢¥àª  ­  à §¬¥à ª« áâ¥à  ¡®«ìè¥ 32 ª¡ - ­¥ ¯®¤¤¥à¦¨¢ ¥âáï ; !TODO
; LD DE,#8001 ; <EFBFBD>஢<EFBFBD>ઠ <20><> ࠧ<><E0A0A7><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> 32 <20><> - <20><> <20><><EFBFBD><EFBFBD><EFBFBD>ন<EFBFBD><E0A6A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ; !TODO
; AND A
; SBC HL,DE
; CCF
@ -596,14 +596,14 @@ GET_BPB: LD HL,#0000
; HL:DE = DataSec
;
LD A,(FatBuffer.SectorsPerCluster)
; HL:DE / A => DE:BC, H=0, L - ®áâ â®ª
; HL:DE / A => DE:BC, H=0, L - <EFBFBD><EFBFBD><EFBFBD>⮪
;CALL DIV_by_Shifts
LD C,A
DEC A
JR Z,.DIV_exit
;
AND E
LD B,A ; ®áâ â®ª
LD B,A ; <EFBFBD><EFBFBD><EFBFBD>⮪
LD A,C
RRCA
;
@ -620,7 +620,7 @@ GET_BPB: LD HL,#0000
LD H,0
LD L,A
;
; ¢ëïá­ï¥¬ à §à來®áâì FAT
; <EFBFBD><EFBFBD><EFBFBD><EFBFBD>塞 ࠧ<>來<EFBFBD><EFA4AD><EFBFBD><EFBFBD> FAT
LD A,D
OR E
JR NZ,.its_FAT32
@ -637,8 +637,8 @@ GET_BPB: LD HL,#0000
;
.its_FAT32: LD A,(BOOT_BUFFER + BOOT_SECTOR.MainFATnumber)
CP #80
JR C,.mirrored_FATs ;¥á«¨ ¢á¥ ª®¯¨¨ FAT ¨á¯®«ì§ãîâáï
; ¨á¯®«ì§ã¥âáï ⮫쪮 ®¤­  ª®¯¨ï FAT
JR C,.mirrored_FATs ;<EFBFBD>᫨ <20><> <20><><EFBFBD><EFBFBD><EFBFBD> FAT <20>ᯮ<EFBFBD><E1AFAE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
; <EFBFBD>ᯮ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ⮫쪮 <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> FAT
LD HL,(FatBuffer.FAT1_SEC_H)
LD DE,(FatBuffer.SectorsPerFAT_H)
LD D,0
@ -717,12 +717,12 @@ CLUSTER_TO_SECTOR:
;
; ¯®¨áª system.dos
; <EFBFBD><EFBFBD><EFBFBD><EFBFBD> system.dos
GETROOT: LD HL,(FatBuffer.RootDirFirstSector_H)
LD IX,(FatBuffer.RootDirFirstSector_L)
LD BC,(PARTITION_START_L)
LD DE,(PARTITION_START_H)
; [x] 28/04/2024. Bug with incorrect reading root dir. Found Roman "Romychs" Boykov.
; [x] 28/04/2024. Bug with incorrect reading root dir. Reported by Roman "Romychs" Boykov.
ADD IX,BC
ADC HL,DE
;
@ -731,9 +731,9 @@ GETROOT: LD HL,(FatBuffer.RootDirFirstSector_H)
LD A,(FatBuffer.DirSizeInSectors)
JR NZ,.NEXTSEC
;
LD A,(FatBuffer.SectorsPerCluster);!FIXIT ¯à®çâñâ ⮫쪮 ¯¥à¢ë© ª« áâ¥à ª â «®£  ­  FAT32
LD A,(FatBuffer.SectorsPerCluster);!FIXIT <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ⮫쪮 <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>⠫<EFBFBD><E2A0AB><EFBFBD> <20><> FAT32
.NEXTSEC: PUSH AF
; [x] 28/04/2024. Bug with incorrect reading root dir. Found Roman "Romychs" Boykov.
; [x] 28/04/2024. Bug with incorrect reading root dir. Reported by Roman "Romychs" Boykov.
;ADD IX,BC
;ADC HL,DE
;
@ -752,7 +752,7 @@ GETROOT: LD HL,(FatBuffer.RootDirFirstSector_H)
LD A,B
; next sector
LD BC,1
; [x] 28/04/2024. Bug with incorrect reading root dir. Found Roman "Romychs" Boykov.
; [x] 28/04/2024. Bug with incorrect reading root dir. Reported by Roman "Romychs" Boykov.
ADD IX,BC
ADC HL,BC
DEC HL
@ -799,13 +799,13 @@ SEARCH: LD C,17 ;HANDELS PER SECTOR 512/32 + 1
LD BC,FAT_DIRECTORY_RECORD
LDIR
; ZF = 1, CF = 0, A != 0
AND A ; ­  ¢ë室¥ ZF = CF = 0
AND A ; <EFBFBD><EFBFBD> <20><>室<EFBFBD> ZF = CF = 0
RET
; HL - CLUSTER
; DE - ADDRESS
; !TODO ᤥ« âì âãâ ®¯à¥¤¥«¥­¨¥ à §¬¥à  SYSTEM.DOS
; [ ] ¨ ¢®§¬®¦­®áâì § £à㧨âì ¡®«ìè¥ 1 áâà ­¨æë
; !TODO ᤥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><>।<EFBFBD><E0A5A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ࠧ<><E0A0A7><EFBFBD> SYSTEM.DOS
; [ ] <EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>㧨<EFBFBD><E3A7A8> <20><><EFBFBD><EFBFBD><EFBFBD> 1 <20><>࠭<EFBFBD><E0A0AD><EFBFBD>
LOAD_CORE: LD (READMEM),DE
.loop: PUSH HL
EXX
@ -859,7 +859,7 @@ LOAD_CORE: LD (READMEM),DE
POP HL
CCF
RET NC
; [ ] § £à㧪  system.dos ¡®«ìè¥ #4000 ¡ ©â®¢
; [ ] <EFBFBD><EFBFBD><EFBFBD><EFBFBD>㧪<EFBFBD> system.dos <20><><EFBFBD><EFBFBD><EFBFBD> #4000 <20><><EFBFBD>⮢
.BIG_CORE+1: LD A,0
DEC A
@ -878,14 +878,14 @@ LOAD_CORE: LD (READMEM),DE
;
; HL:DE / A => DE:BC, H=0, L - ®áâ â®ª
; HL:DE / A => DE:BC, H=0, L - <EFBFBD><EFBFBD><EFBFBD>⮪
; DIV_by_Shifts:
; LD C,A
; DEC A
; JR Z,.DIV_exit
; ;
; AND E
; LD B,A ; ®áâ â®ª
; LD B,A ; <EFBFBD><EFBFBD><EFBFBD>⮪
; LD A,C
; RRCA
; ;
@ -919,10 +919,10 @@ ZERO_SECTOR_OF_BPB:
; B = 0
GET_SECTOR_OF_FAT:
LD A,(FatBuffer.FAT_TYPE)
LD B,FAT_CACHE.Degree_32 ;!FIXIT ᤥ« âì ç¥à¥§ ¯¥à¥¬¥­­ãî
LD B,FAT_CACHE.Degree_32 ;!FIXIT ᤥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>१ <20><>६<EFBFBD><E0A5AC><EFBFBD><EFBFBD><EFBFBD>
XOR FAT_TYPE.x32
JR Z,.next
LD B,FAT_CACHE.Degree ;!FIXIT ᤥ« âì ç¥à¥§ ¯¥à¥¬¥­­ãî
LD B,FAT_CACHE.Degree ;!FIXIT ᤥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>१ <20><>६<EFBFBD><E0A5AC><EFBFBD><EFBFBD><EFBFBD>
XOR A
.next: LD C,A
;
@ -935,18 +935,18 @@ GET_SECTOR_OF_FAT:
;
;¢å®¤: HL - ­®¬¥à ª« áâ¥à 
;¢ë室: HL -  ¤à¥á ­ã¦­®© ï祩ª¨ ¢ áâà ­¨æ¥ FATPAGE
; CF - çñâ­ë©/­¥çñâ­ë©  ¤à¥á ª« áâ¥à 
;<EFBFBD>室: HL - <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
;<EFBFBD><EFBFBD>室: HL - <20><><EFBFBD><EFBFBD> <20>㦭<EFBFBD><E3A6AD> <20>祩<EFBFBD><E7A5A9> <20> <20><>࠭<EFBFBD><E0A0AD> FATPAGE
; CF - <EFBFBD><EFBFBD><EFBFBD><EFBFBD>/<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
GET_FAT12_CELL: LD D,H
LD E,L
SRL H
RR L ; ᤢ¨£ ¢¯à ¢® ç¥à¥§ CF
PUSH AF ; á®åà. ä« £
RR L ; ᤢ<EFBFBD><EFBFBD> <20><>ࠢ<EFBFBD> <20>१ CF
PUSH AF ; <EFBFBD><EFBFBD><EFBFBD>. 䫠<>
ADD HL,DE ; CLUSTER * 1.5
;
IF FAT_CACHE.Size_12 < #1800
;!FIXIT ®¯â¨¬¨§¨à®¢ âì
;!FIXIT <EFBFBD><EFBFBD>⨬<EFBFBD><EFBFBD><EFBFBD>஢<EFBFBD><EFBFBD><EFBFBD>
LD A,H
LD B,H
;
@ -965,12 +965,12 @@ GET_FAT12_CELL: LD D,H
AND #07
;AND FAT_CACHE.Part_Mask_16
;
; [ ] ¯®¬¥­ï«áï ¢å®¤ ¢ ¯à®æ¥¤ãàã READ_FAT_TABLE. <20> ­ìè¥ ­®¬¥à ¡«®ª  ¢ ॣ. A ¯¥à¥¤ ¢ «áï
; [ ] <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20>室 <20> <20><>楤<EFBFBD><E6A5A4><EFBFBD> READ_FAT_TABLE. <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20> ॣ. A <20><>।<EFBFBD><E0A5A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
LD DE,(FatBuffer.CacheBlock) ; BC - BLOCK FAT IN CASH
CP E
LD E,A
;
CALL NZ,READ_FAT_TABLE ; ¯à®ç¨â âì ¢ ª¥è 16 ᥪâ®à®¢ FAT- 
CALL NZ,READ_FAT_TABLE ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD> 16 ᥪ<>஢ FAT-<2D>
ENDIF
;
LD DE,FATPAGE.cache
@ -978,8 +978,8 @@ GET_FAT12_CELL: LD D,H
POP AF
RET
;
;¢å®¤: HL - ­®¬¥à ª« áâ¥à 
;¢ë室: HL -  ¤à¥á ­ã¦­®© ï祩ª¨ ¢ áâà ­¨æ¥ FATPAGE
;<EFBFBD>室: HL - <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
;<EFBFBD><EFBFBD>室: HL - <20><><EFBFBD><EFBFBD> <20>㦭<EFBFBD><E3A6AD> <20>祩<EFBFBD><E7A5A9> <20> <20><>࠭<EFBFBD><E0A0AD> FATPAGE
GET_FAT16_CELL: LD A,H
LD B,H
AND FAT_CACHE.Size_Mask_16
@ -998,14 +998,14 @@ GET_FAT16_CELL: LD A,H
LD E,A
;
CALL NZ,READ_FAT_TABLE ; A != C - READ NEW BLOCK FAT
LD DE,FATPAGE.cache ; ­ ç «® ª¥è  FAT- 
ADD HL,DE ; ­  ï祩ªã FAT
LD DE,FATPAGE.cache ; <EFBFBD><EFBFBD>砫<EFBFBD> <20><><EFBFBD> FAT-<2D>
ADD HL,DE ; <EFBFBD><EFBFBD> <20>祩<EFBFBD><E7A5A9> FAT
RET
;
;
;RE_FAT:
;RX01
; <20>à®ç¨â âì ¢ ª¥è •• ᥪâ®à®¢ FAT- 
; <20><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD> <20><> ᥪ<>஢ FAT-<2D>
; DE - NEW FAT BLOCK
READ_FAT_TABLE: PUSH HL
;
@ -1014,7 +1014,7 @@ READ_FAT_TABLE: PUSH HL
;
CALL GET_SECTOR_OF_FAT
;
; BC:HL - ­®¬¥à «®£.ᥪâ®à 
; BC:HL - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>.ᥪ<><E1A5AA>
LD DE,(FatBuffer.FAT1_SEC_L)
ADD HL,DE
;
@ -1052,9 +1052,9 @@ READ_FAT_TABLE: PUSH HL
POP HL
RET
;¢å®¤: HL':HL - ­®¬¥à ª« áâ¥à 
;¢ë室: HL -  ¤à¥á ­ã¦­®© ï祩ª¨ ¢ áâà ­¨æ¥ FATPAGE
GET_FAT32_CELL: ; ¤¢¨£ ¥¬ ¢«¥¢® HL':H
;<EFBFBD>室: HL':HL - <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
;<EFBFBD><EFBFBD>室: HL - <20><><EFBFBD><EFBFBD> <20>㦭<EFBFBD><E3A6AD> <20>祩<EFBFBD><E7A5A9> <20> <20><>࠭<EFBFBD><E0A0AD> FATPAGE
GET_FAT32_CELL: ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> HL':H
LD A,H
EXX
LD C,A
@ -1063,13 +1063,13 @@ GET_FAT32_CELL: ;
LD H,A
LD A,C
;
LD B,FAT_CACHE.Degree ; 4 ᤢ¨£ 
LD B,FAT_CACHE.Degree ; 4 ᤢ<EFBFBD><EFBFBD><EFBFBD>
.loop_block: RLCA ; << H
RL L ; << L'
RL H ; << H'
DJNZ .loop_block
EXX
; ‚ ¨â®£¥ âãâ ¢ HL' ­®¬¥à ¡«®ª  FAT
; <EFBFBD> <20>⮣<EFBFBD> <20><><EFBFBD> <20> HL' <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> FAT
;
; HL - FAT32 OFFSET (FROM CASH)
LD A,H
@ -1086,20 +1086,20 @@ GET_FAT32_CELL: ;
SBC HL,DE
CALL NZ,READ_FAT_TABLE ; A != C - READ NEW BLOCK FAT
POP HL
LD DE,FATPAGE.cache ; ­ ç «® ª¥è  FAT- 
ADD HL,DE ; ­  ï祩ªã FAT
LD DE,FATPAGE.cache ; <EFBFBD><EFBFBD>砫<EFBFBD> <20><><EFBFBD> FAT-<2D>
ADD HL,DE ; <EFBFBD><EFBFBD> <20>祩<EFBFBD><E7A5A9> FAT
RET
;
;------------------------------------------------------------------------------------------------
; <20>à®ç¨â âì ¨§ ª¥è  FAT-  ­®¬¥à á«¥¤. ª« áâ¥à 
; ¢å®¤: hl - ­®¬¥à ª« áâ¥à  (¬« ¤è¥¥ á«®¢®)
; hl' - ­®¬¥à ª« áâ¥à  (áâ à襥 á«®¢®. ⮫쪮 ¤«ï FAT32)
; ¢ë室: hl - ­®¬¥à ª« áâ¥à  (¬« ¤è¥¥ á«®¢®)
; hl' - ­®¬¥à ª« áâ¥à  (áâ à襥 á«®¢®)
; de - ­®¬¥à á«¥¤. ª« áâ¥à  (¬« ¤è¥¥ á«®¢®)
; de' - ­®¬¥à á«¥¤. ª« áâ¥à  (áâ à襥 á«®¢®)
; ¥á«¨ DE':DE = 0, â® ª« áâ¥à HL':HL ᢮¡®¤¥­
; CF - ª®­¥æ 楯®çª¨
; <20><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD> FAT-<2D> <20><><EFBFBD><EFBFBD><EFBFBD> ᫥<>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
; <EFBFBD>室: hl - <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD>襥 ᫮<><E1ABAE>)
; hl' - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD>襥 ᫮<><E1ABAE>. ⮫쪮 <20><><EFBFBD> FAT32)
; <EFBFBD><EFBFBD>室: hl - <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD>襥 ᫮<><E1ABAE>)
; hl' - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD>襥 ᫮<><E1ABAE>)
; de - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ᫥<>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD><EFBFBD>襥 ᫮<><E1ABAE>)
; de' - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ᫥<>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> (<28><><EFBFBD>襥 ᫮<><E1ABAE>)
; <EFBFBD>᫨ DE':DE = 0, <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> HL':HL ᢮<><E1A2AE><EFBFBD><EFBFBD><EFBFBD>
; CF - <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 楯<>窨
;------------------------------------------------------------------------------------------------
READ_FROM_FAT: PUSH HL
;
@ -1112,18 +1112,18 @@ READ_FROM_FAT: PUSH HL
CP FAT_TYPE.x16
JR C,.FAT12
JR NZ,.FAT32
; fat16, ¯à®áâ® ç¨â âì á«¥¤. ­®¬¥à
; fat16, <EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> ᫥<>. <20><><EFBFBD><EFBFBD><EFBFBD>
.FAT16: CALL GET_FAT16_CELL
LD E,(HL) ; ¯à®ç¨â âì ­®¬¥à ª« áâ¥à 
LD E,(HL) ; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
INC HL
LD D,(HL)
;
LD HL,SERVICE_SECTORS.FAT16
.exit: POP AF
OUT (SLOT3),A
; ®¡­ã«ï¥¬ CF ¨ ãáâ ­ ¢«¨¢ ¥¬ ª®¤ ®è¨¡ª¨ = DssErr.sys.NO_ERROR
; <EFBFBD><EFBFBD><EFBFBD><EFBFBD>塞 CF <20> <20><>⠭<EFBFBD><E2A0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20>訡<EFBFBD><E8A8A1> = DssErr.sys.NO_ERROR
XOR A
; ¯à®¢¥àª  ­  á«ã¦. ª« áâ¥àë
; <EFBFBD>஢<EFBFBD>ઠ <20><> <20><>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
SBC HL,DE
POP HL
EXX
@ -1143,7 +1143,7 @@ READ_FROM_FAT: PUSH HL
JR NC,.Correct_2
.Correct_1: LD A,E
AND #F0
DUP 4 ; ¢¯à ¢® ­  4 ¡¨âa
DUP 4 ; <EFBFBD><EFBFBD>ࠢ<EFBFBD> <20><> 4 <20><><EFBFBD>a
RR D
RRA
EDUP
@ -1160,12 +1160,12 @@ READ_FROM_FAT: PUSH HL
EXX
;
CALL GET_FAT32_CELL
; ¯à®ç¨â âì ¬« ¤è¥¥ á«®¢® ­®¬¥à  ª« áâ¥à 
; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>襥 ᫮<><E1ABAE> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
LD E,(HL)
INC HL
LD D,(HL)
INC HL
; ¯à®ç¨â âì áâ à襥 á«®¢® ­®¬¥à  ª« áâ¥à 
; <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>襥 ᫮<><E1ABAE> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
LD A,(HL)
INC HL
EX AF,AF'
@ -1176,12 +1176,12 @@ READ_FROM_FAT: PUSH HL
EX AF,AF'
LD E,A
EXX
; ®¡­ã«ï¥¬ CF ¨ ãáâ ­ ¢«¨¢ ¥¬ ª®¤ ®è¨¡ª¨ = DssErr.sys.NO_ERROR
; <EFBFBD><EFBFBD><EFBFBD><EFBFBD>塞 CF <20> <20><>⠭<EFBFBD><E2A0AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20>訡<EFBFBD><E8A8A1> = DssErr.sys.NO_ERROR
XOR A
; ¯à®¢¥àª  ­  á«ã¦. ª« áâ¥àë ¬« ¤è¥£® á«®¢  ª« áâ¥à 
; <EFBFBD>஢<EFBFBD>ઠ <20><> <20><>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>襣<EFBFBD> ᫮<><E1ABAE> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
LD HL,SERVICE_SECTORS.FAT32.Low
SBC HL,DE
; ¯à®¢¥àª  ­  á«ã¦. ª« áâ¥àë áâ à襣® á«®¢  ª« áâ¥à 
; <EFBFBD>஢<EFBFBD>ઠ <20><> <20><>. <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>襣<EFBFBD> ᫮<><E1ABAE> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
EXX
LD HL,SERVICE_SECTORS.FAT32.High
SBC HL,DE