Estex-DSS/DSS/API/RmDir.asm
2024-03-24 04:53:37 +10:00

118 lines
2.2 KiB
NASM
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

////////////////////////////////////////////////////////////////////////
; ”ã­ªæ¨ï #1C. “¤ «¥­¨¥ ª â «®£ .
; Œ®¦­® 㤠«¨âì ⮫쪮 ¯ãá⮩ ª â «®£.
;
; ¢å®¤: HL - 㪠§ â¥«ì ­  ¨¬ï ª â «®£ 
; ¢ë室: A - ª®¤ ®è¨¡ª¨, ¥á«¨ CF=1
;
; INPUT: HL - "C:\DIR\DIR\DIR_NAME",0
////////////////////////////////////////////////////////////////////////
RMDIR: ;!TEST Current Dir ;[x] 15/10/23
PUSH HL
CALL DIR_PATH_CHECK
POP HL
RET C
CALL .START
PUSH AF
LD HL,CurrentDirectory
CALL CHDIR
CALL DIR_PATH_CHANGE.Current
POP AF
RET
;
.START: CALL GETWORD
RET C
CALL MASK
RET C
;!TEST optimization
;LD HL,MASKARE
;LD BC,11
;LD A,"?"
;CPIR
;LD A,DSS_Error.sys.INVALID_NAME
;SCF
CALL CHECK_NAME
;
RET Z
CALL LOADDIR
CALL SEARCH.Dir
RET C
; [ ] fat32
LD HL,(HANDBUF+_sFAT_DIRECTORY_RECORD.FIRST_CLUSTER_L)
PUSH IX
.RMD17: PUSH HL
CALL CLUSTER_TO_SECTOR
LD A,(CORE_BUFFERS.BootSector.SectorsPerCluster)
; ­ ç¨­ ¥¬ ¢ëç¨â뢠âì ᮤ¥à¦¨¬®¥ ª â «®£  ¯®á¥ªâ®à­®
.read_dir_loop:
PUSH AF
PUSH HL
PUSH IX
;
IN A,(SLOT3)
PUSH AF
IN A,(SLOT0)
OUT (SLOT3),A
LD DE,CORE_BUFFERS.SECBUF+#C000
LD BC,1*256 + Dss.DRV.Read
LD A,(FatBuffer.DRIVE)
RST ToDSS.DRV
POP AF
OUT (SLOT3),A
;
;!HARDCODE 16 * 32 = 512; 32 - à §¬¥à § ¯¨á¨, 512 - à §¬¥à áç¨â ­­®£® ᥪâ®à 
LD B,16
LD HL,CORE_BUFFERS.SECBUF
.check_dir_loop:
LD A,(HL)
OR A
JP Z,.RMD15 ;DIR EMPTY
CP "."
JR Z,.next_record
CP #E5 ;!HARDCODE ¡ ©â 㤠«¥­¨ï ä ©« 
JR Z,.next_record
LD DE,_sFAT_DIRECTORY_RECORD.ATTRIBUT ; ᬥé. ¤® ¡ ©â   âਡã⮢
ADD HL,DE
LD A,(HL)
SBC HL,DE
AND FAT_ATTR.VOLUME_ID
JP Z,.error ;DIR NOT EMPTY
.next_record:
LD DE,#0020
ADD HL,DE
DJNZ .check_dir_loop
;
POP IX
POP HL
INC IX
LD A,XH
OR XL
JR NZ,.no_inc_hl
INC HL
.no_inc_hl:
POP AF
DEC A
JR NZ,.read_dir_loop
; [ ] fat32
POP HL ; ­®¬¥à ª« áâ¥à 
CALL READ_FROM_FAT ; ¯à®ç¨â âì ¨§ ª¥è  FAT-  ­®¬¥à á«¥¤. ª« áâ¥à 
EX DE,HL ; hl=­®¬¥à á«¥¤. ª« áâ¥à 
JR NC,.RMD17 ; ­¥ ª®­¥æ 楯®çª¨
.delete:
POP IX
JP DEL_FN.DELETE ; ¯®¬¥â¨âì § ¯¨áì ª ª "㤠«¥­­ ï"
.RMD15: POP IX
POP HL
POP AF
POP HL
JR .delete
;
.error: POP IX
POP HL
POP AF
POP HL
POP IX
LD A,DSS_Error.sys.DIR_NOT_EMPTY
SCF
RET
;