mirror of
https://github.com/A2osX/A2osX.git
synced 2024-09-10 22:54:59 +00:00
168 lines
3.6 KiB
Plaintext
168 lines
3.6 KiB
Plaintext
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PR#3
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PREFIX /A2OSX.SRC
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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*--------------------------------------
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* For All SYS.xxxx calls, X = #SYSCall
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* Must be kept in X before calling
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* S.PFTCheckPathXX
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*--------------------------------------
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* S.FOPEN
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* In :
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* PULLW = PATH (PSTR)
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* PULLB = MODE
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* Out :
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* CC : A = hFILE
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* CS : A = EC
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*--------------------------------------
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S.FOPEN jsr S.PFTCHECKPATHSTK
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>PULLW MLICALL.PARAMS+1
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>PULLB S.FOPEN.MODE
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>PUSHWI S.FILE.PRODOS
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>PUSHBI S.MEM.F.INIT0
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jsr S.GetMem
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bcs .99
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>STYA ZPQuickPtr1
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stx hFILE
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>PUSHWI 1024 get a ProDOS IOBUF
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>PUSHBI S.MEM.F.ALIGN+S.MEM.F.NOMOVE
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jsr S.GetMem
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bcs .99
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>STYA MLICALL.PARAMS+3 Save Ptr to IOBUF for MLIOPEN call
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txa
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ldy #S.FILE.PRODOS.IOBUF
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sta (ZPQuickPtr1),y
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>MLICALL MLIOPEN
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bcc .1 Failed...
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bit S.FOPEN.MODE Create if not exists?
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bpl .98 no....error
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.1 lda MLICALL.PARAMS+5 get ref_num
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ldy #S.FILE.PRODOS.REF
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sta (ZPQuickPtr1),y
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lda S.FOPEN.MODE
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bit #SYS.FOPEN.A
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beq .1
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.1
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lda hFILE
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clc
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rts CC
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.98 pha save MLI error
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jsr S.FCLOSEA.1
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pla get back MLI error
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sec
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.99 rts
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*--------------------------------------
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S.FOPEN.MODE .BS 1
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hFILE .BS 1
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*--------------------------------------
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* S.FCLOSEA
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* In :
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* A = hFILE
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*--------------------------------------
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S.FCLOSEA jsr S.PFTCHECKFILEA
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jsr S.GetMemPtrA
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>STYA ZPQuickPtr1
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S.FCLOSEA.1 ldy #S.FILE.PRODOS.REF
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lda (ZPQuickPtr1),y
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beq .1
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sta MLICALL.PARAMS+1
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>MLICALL MLICLOSE
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.1 ldy #S.FILE.PRODOS.IOBUF
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lda (ZPQuickPtr1),y
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beq .2
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jsr S.FreeMemA
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.2 lda hFILE
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jsr S.FreeMemA
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rts
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*--------------------------------------
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* S.FREAD
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* In :
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* PULLB = hFILE
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* PULLW = Bytes To Read
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* PULLW = Dest Ptr
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* Out :
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* Y,A = Bytes Read
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*--------------------------------------
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S.FREAD jsr S.PFTCHECKFILESTK
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>PULLB MLICALL.PARAMS+1
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>PULLW MLICALL.PARAMS+4
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>PULLW MLICALL.PARAMS+2
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>MLICALL MLIREAD
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bcs .9
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>LDYA MLICALL.PARAMS+6
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.9 rts
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*--------------------------------------
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* S.FWRITE
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* In :
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* PULLB = hFILE
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* PULLW = Bytes To Write
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* PULLW = Src Ptr
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* Out :
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* Y,A = Bytes Written
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*--------------------------------------
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S.FWRITE jsr S.PFTCHECKFILESTK
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>PULLB MLICALL.PARAMS+1
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>PULLW MLICALL.PARAMS+4
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>PULLW MLICALL.PARAMS+2
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>MLICALL MLIWRITE
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bcs .9
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>LDYA MLICALL.PARAMS+6
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.9 rts
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*--------------------------------------
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* S.FFLUSHA
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* In :
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* A = hFILE
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*--------------------------------------
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S.FFLUSHA jsr S.PFTCHECKFILEA
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sta MLICALL.PARAMS+1
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>MLICALL MLIFLUSH
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rts
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*--------------------------------------
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*--------------------------------------
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S.FSEEK
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*--------------------------------------
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*--------------------------------------
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S.FTELL
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*--------------------------------------
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*--------------------------------------
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S.FEOF
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*--------------------------------------
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*--------------------------------------
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S.REMOVE
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*--------------------------------------
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*--------------------------------------
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S.RENAME
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*--------------------------------------
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S.MKDIRYA jsr S.PFTCHECKPATHYA
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>STYA MLICALL.PARAMS+1
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lda #$C3
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sta MLICALL.PARAMS+3 Access
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lda #$0F
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sta MLICALL.PARAMS+4 type=Directory
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lda #$0D Storage=Linked List
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sta MLICALL.PARAMS+7
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>MLICALL MLICREATE
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rts
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*--------------------------------------
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MAN
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SAVE SYS/KERNEL.S.FIL
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LOAD SYS/KERNEL.S
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ASM
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