mirror of
https://github.com/A2osX/A2osX.git
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363 lines
7.6 KiB
Plaintext
363 lines
7.6 KiB
Plaintext
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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* PFT.Check
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*/--------------------------------------
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* #FOpen
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* Open a file
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* ##In :
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* PUSHW = AUXTYPE
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* PUSHB = TYPE
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* PUSHB = MODE
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* SYS.FOPEN.R : if R and !exists -> ERROR
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* SYS.FOPEN.W : if W and !exists -> CREATE
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* SYS.FOPEN.A : Append
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* SYS.FOPEN.T : Open/Append in Text mode
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* SYS.FOPEN.X : Create if not exists
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* PUSHW = PATH (PSTR)
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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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K.FOPEN jsr PFT.CheckPathSTK
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>PULLW MLICALL.PARAMS+1
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>PULLB K.FOPEN.MODE
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>PULLB K.FOPEN.TYPE
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>PULLW K.FOPEN.AUXTYPE
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>MLICALL MLIGETFILEINFO
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bcc .10 Already Exists
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bit K.FOPEN.MODE Create if not exists ?
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bpl .9 No, return MLI error
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lda #S.FILEINFO.ACCESS.FULL Yes, Create...
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sta MLICALL.PARAMS+3 Access
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lda K.FOPEN.TYPE
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sta MLICALL.PARAMS+4 File type
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>LDYA K.FOPEN.AUXTYPE
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>STYA MLICALL.PARAMS+5 Aux type
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lda #S.FILEINFO.STORETYPE.STD
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sta MLICALL.PARAMS+7
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>MLICALL MLICREATE
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bcc .10
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.9 rts
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.10 >PUSHWI S.FILE.PRODOS
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>PUSHBI S.MEM.F.INIT0
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jsr K.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 K.GetMem
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bcs .98
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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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bcs .98
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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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sta MLICALL.PARAMS+1 Next MLI Calls are REF_NUM based
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lda K.FOPEN.MODE
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and #SYS.FOPEN.A Append ?
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beq .20
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>MLICALL MLIGETEOF
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bcs .98
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>MLICALL MLISETMARK
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bcs .98
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.20 lda K.FOPEN.MODE
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and #SYS.FOPEN.T Text Mode ?
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beq .30
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lda #$FF
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sta MLICALL.PARAMS+2
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lda #$0D
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sta MLICALL.PARAMS+3
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>MLICALL MLINEWLINE
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.30 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 K.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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K.FOPEN.MODE .BS 1
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K.FOPEN.TYPE .BS 1
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K.FOPEN.AUXTYPE .BS 2
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hFILE .BS 1
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*/--------------------------------------
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* #FCloseA
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* Close a file
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* ##In :
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* A = hFILE
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* ##Out :
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*\--------------------------------------
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K.FCloseA jsr PFT.CheckFileA
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sta hFILE
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jsr K.GetMemPtrA
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>STYA ZPQuickPtr1
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K.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 K.FreeMemA
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.2 lda hFILE
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jsr K.FreeMemA
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rts
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*/--------------------------------------
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* #FRead
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* Read bytes from file
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* ##In :
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* PUSHW = Dest Ptr
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* PUSHW = Bytes To Read
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* PUSHB = hFILE
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* ##Out :
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* Y,A = Bytes Read
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*\--------------------------------------
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K.FRead jsr PFT.CheckFileSTK
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ldx #MLIREAD
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bra K.FRead.1
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*/--------------------------------------
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* #FWrite
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* ##In:
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* PUSHW = Src Ptr
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* PUSHW = Bytes To Write
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* PUSHB = hFILE
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* #Out:
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* Y,A = Bytes Written
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*\--------------------------------------
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K.FWrite jsr PFT.CheckFileSTK
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ldx #MLIWRITE
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K.FRead.1 >PULLA
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jsr FILE.SetupPrt1A
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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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lda #4 Param Count = 4 for MLIREAD & MLIWRITE
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jsr A2osX.MLICALL
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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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* #FFlushA
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* ##In:
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* A = hFILE
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*\--------------------------------------
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K.FFlushA jsr PFT.CheckFileA
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jsr FILE.SetupPrt1A
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>MLICALL MLIFLUSH
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rts
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*/-------------------------------------
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* #FSeek
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* ##In:
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* PUSHW = OffsetHi
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* PUSHW = OffsetLo
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* PUSHB = From
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* PUSHB = hFILE
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*\-------------------------------------
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K.FSeek jsr PFT.CheckFileSTK
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>PULLA
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jsr FILE.SetupPrt1A
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>PULLB K.FSEEK.FROM
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>PULLW K.FSEEK.OFFSET
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>PULLW K.FSEEK.OFFSET+2
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lda K.FSEEK.FROM
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* cmp #SYS.FSEEK.SET =0
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bne .1
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stz MLICALL.PARAMS+2
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stz MLICALL.PARAMS+3
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stz MLICALL.PARAMS+4
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bra .8
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.1 cmp #SYS.FSEEK.CUR
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bne .2
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>MLICALL MLIGETMARK
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bcc .8
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rts
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.2 cmp #SYS.FSEEK.END
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bne .98
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>MLICALL MLIGETEOF
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bcs .9
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.8 lda MLICALL.PARAMS+2
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adc K.FSEEK.OFFSET
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sta MLICALL.PARAMS+2
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lda MLICALL.PARAMS+3
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adc K.FSEEK.OFFSET+1
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sta MLICALL.PARAMS+3
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lda MLICALL.PARAMS+4
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adc K.FSEEK.OFFSET+2
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sta MLICALL.PARAMS+4
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bcs .99 Offset out of range!
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>MLICALL MLISETMARK
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.9 rts
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.98 lda #SYSMGR.ERRSYN
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.HS 2C bit abs
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.99 lda #SYSMGR.ERRFTB
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sec
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rts
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*--------------------------------------
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K.FSEEK.FROM .BS 1
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K.FSEEK.OFFSET .BS 4
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*/--------------------------------------
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* #FTellA
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* ##In:
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* A = hFILE
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* ##Out:
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* Y,A,X = Offset
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*\--------------------------------------
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K.FTellA jsr PFT.CheckFileA
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K.FTellA.1 jsr FILE.SetupPrt1A
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>MLICALL MLIGETMARK
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bcs .9
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>LDYA MLICALL.PARAMS+2
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ldx MLICALL.PARAMS+4
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.9 rts
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*/--------------------------------------
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* #FEOFA
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* ##In:
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* A = hFILE
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* ##Out:
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* CC :
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* A=0 EOF
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* A !=0 NOT EOF
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* CS :
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*\--------------------------------------
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K.FEOFA jsr PFT.CheckFileA
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jsr FILE.SetupPrt1A
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jsr K.FTELLA.1
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bcs .9
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>STYA K.FEOFA.MARK
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stx K.FEOFA.MARK+2
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>MLICALL MLIGETEOF
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bcs .9
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sec
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lda MLICALL.PARAMS+2
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sbc K.FEOFA.MARK
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bne .8
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lda MLICALL.PARAMS+3
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sbc K.FEOFA.MARK+1
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bne .8
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lda MLICALL.PARAMS+4
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sbc K.FEOFA.MARK+2
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.8 clc
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.9 rts
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K.FEOFA.MARK .BS 3
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*/--------------------------------------
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* #RemoveYA
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*\--------------------------------------
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K.RemoveYA jsr PFT.CheckPathYA
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>STYA MLICALL.PARAMS+1
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>MLICALL MLIDESTROY
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rts
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*/--------------------------------------
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* #Rename
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* Rename a file
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* ##In :
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* PUSHW = New Name
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* PUSHW = Old Name
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* ##Out :
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*\--------------------------------------
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K.Rename jsr PFT.CheckPathSTK
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>PULLW MLICALL.PARAMS+1
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>PULLW MLICALL.PARAMS+3
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>MLICALL MLIRENAME
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rts
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*/--------------------------------------
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* #Stat
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* Return information about a file
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* ##In :
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* PUSHW = PTR to S.STAT buffer
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* PUSHW = PTR to Filename (PSTR)
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* ##Out :
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*\--------------------------------------
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K.Stat jsr PFT.CheckPathSTK
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>PULLW MLICALL.PARAMS+1
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>PULLW ZPQuickPtr2
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>MLICALL MLIGETFILEINFO
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bcs .9
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jsr FILE.MLI2STAT
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clc
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.9 rts
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*--------------------------------------
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FILE.SetupPrt1A jsr K.GetMemPtrA
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>STYA ZPQuickPtr1
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ldy #S.FILE.PRODOS.REF
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lda (ZPQuickPtr1),y
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sta MLICALL.PARAMS+1
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rts
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*--------------------------------------
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FILE.MLI2STAT
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lda MLICALL.PARAMS+S.FILEINFO.ACCESS
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cmp #S.FILEINFO.ACCESS.FULL
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bne .1
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lda #S.STAT.MODE.XO+S.STAT.MODE.WO+S.STAT.MODE.RO
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bra .2
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.1 and #S.FILEINFO.ACCESS.R
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beq .2
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lda #S.STAT.MODE.XO+S.STAT.MODE.RO
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.2 ldy #S.STAT.MODE
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sta (ZPQuickPtr2),y
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ldx #2
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ldy #S.STAT.PRODOS.TYPE+2
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.3 lda MLICALL.PARAMS+S.FILEINFO.TYPE,x
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sta (ZPQuickPtr2),y
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dey
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dex
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bpl .3
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rts
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*--------------------------------------
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MAN
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SAVE SYS/KERNEL.S.FILE
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LOAD SYS/KERNEL.S
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ASM
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