mirror of
https://github.com/A2osX/A2osX.git
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307 lines
6.5 KiB
Plaintext
307 lines
6.5 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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* S.PFTCheckXYZ
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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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* SYS.FOPEN.R .EQ $01 //Ignored (No ProDOS equivalent)
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* SYS.FOPEN.W .EQ $02 //Ignored (No ProDOS equivalent)
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* SYS.FOPEN.A .EQ $04 Append
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* SYS.FOPEN.T .EQ $08 Open/Append in Text mode
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* SYS.FOPEN.X .EQ $80 Create if not exists
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* PULLB = TYPE
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* PULLW = AUXTYPE
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* Out :
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* CC : A = hFILE
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* CS : A = EC
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*--------------------------------------
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S.FOPEN jsr S.PFTCHECKPATHSTK
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>PULLW MLICALL.PARAMS+1
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>PULLB S.FOPEN.MODE
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>PULLB S.FOPEN.TYPE
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>PULLW S.FOPEN.AUXTYPE
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>MLICALL MLIGETFILEINFO
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bcc .10 Already Exists
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bit S.FOPEN.MODE Create if not exists ?
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bpl .9 No, return MLI error
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lda #$C3 Yes, Create...
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sta MLICALL.PARAMS+3 Access
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lda S.FOPEN.TYPE
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sta MLICALL.PARAMS+4 File type
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>LDYA S.FOPEN.AUXTYPE
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>STYA MLICALL.PARAMS+5 Aux type
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lda #$01 Storage=Standard Files
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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 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 .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 S.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 S.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 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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S.FOPEN.TYPE .BS 1
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S.FOPEN.AUXTYPE .BS 2
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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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sta hFILE
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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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>PULLA
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jsr FIL.SetupPrt1A
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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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>PULLA
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jsr FIL.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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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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jsr FIL.SetupPrt1A
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>MLICALL MLIFLUSH
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rts
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*--------------------------------------
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* S.FSEEK
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* In :
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* PULLB = hFILE
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* PULLB = From
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* PULLW = OffsetLo
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* PULLW = OffsetHi
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*--------------------------------------
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S.FSEEK jsr S.PFTCHECKFILESTK
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>PULLA
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jsr FIL.SetupPrt1A
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>PULLB S.FSEEK.FROM
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>PULLW S.FSEEK.OFFSET
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>PULLW S.FSEEK.OFFSET+2
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lda S.FSEEK.FROM
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beq .3
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cmp #SYS.FSEEK.CUR
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bne .1
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>MLICALL MLIGETMARK
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bcs .9
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bcc .2
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.1 cmp #SYS.FSEEK.END
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bne .3
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>MLICALL MLIGETEOF
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bcs .9
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.2 lda MLICALL.PARAMS+2
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adc S.FSEEK.OFFSET
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sta MLICALL.PARAMS+2
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lda MLICALL.PARAMS+3
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adc S.FSEEK.OFFSET+1
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sta MLICALL.PARAMS+3
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lda MLICALL.PARAMS+4
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adc S.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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.3 >MLICALL MLISETMARK
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.9 rts
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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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S.FSEEK.FROM .BS 1
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S.FSEEK.OFFSET .BS 4
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*--------------------------------------
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* S.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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S.FTELLA jsr S.PFTCHECKFILEA
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S.FTELLA.1 jsr FIL.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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* S.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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S.FEOFA jsr S.PFTCHECKFILEA
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jsr FIL.SetupPrt1A
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jsr S.FTELLA.1
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bcs .9
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>STYA S.FEOFA.MARK
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stx S.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 S.FEOFA.MARK
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bne .8
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lda MLICALL.PARAMS+3
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sbc S.FEOFA.MARK+1
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bne .8
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lda MLICALL.PARAMS+4
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sbc S.FEOFA.MARK+2
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.8 clc
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.9 rts
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S.FEOFA.MARK .BS 3
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*--------------------------------------
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* S.REMOVEYA
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*--------------------------------------
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S.REMOVEYA jsr S.PFTCHECKPATHYA
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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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* S.RENAME
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* In :
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* PULLW = Old Name
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* PULLW = New Name
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*--------------------------------------
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S.RENAME jsr S.PFTCHECKPATHYA
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>PULLW MLICALL.PARAMS+1
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>PULLW MLICALL.PARAMS+2
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>MLICALL MLIRENAME
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rts
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*--------------------------------------
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FIL.SetupPrt1A jsr S.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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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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