mirror of
https://github.com/A2osX/A2osX.git
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171 lines
3.2 KiB
Plaintext
171 lines
3.2 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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* In :
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* X = #SYSCall
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* Y,A = PATH (PSTR)
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* Out :
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* CC : Y,A = PTR to S.DIR
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* CS : A = EC
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*--------------------------------------
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S.OPENDIRYA jsr S.PFTCHECKPATHYA
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>STYA ZPQuickPtr2
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>STYA MLICALL.PARAMS+1 For MLIOPEN
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>PUSHWI S.DIR.PRODOS
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>PUSHBI S.MEM.F.INIT0
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jsr S.GetMem
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bcs .9
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>STYA ZPQuickPtr1
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stx hDIR
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lda (ZPQuickPtr2)
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cmp #1 One char ?
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bne .7 No, Go open dir....
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tay Y=1
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lda (ZPQuickPtr2),y
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cmp #'/' Root required ?
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beq .8 Yes, Go for ONLINE Call (S.DIR.PRODOS.REF=0)
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lda #SYSMGR.ERRSYN
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sec
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.9 rts
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.7 >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.DIR.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.DIR.PRODOS.REF
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sta (ZPQuickPtr1),y
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.8 lda hDIR
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clc
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rts
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.98 pha save MLI error
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jsr S.CLOSEDIRA.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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hDIR .BS 1
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*--------------------------------------
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* In :
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* A = hDIR
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* Out :
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* CC : X = hDIREND, Y,A = PTR to S.DIRENT
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* CS : A = EC, A = 0 : no more entry
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*--------------------------------------
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S.READDIRA jsr S.PFTCHECKDIRA
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jsr S.GetMemPtrA
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>STYA ZPQuickPtr1
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ldy #S.DIR.PRODOS.REF
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lda (ZPQuickPtr1),y
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bne .
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>PUSHWI 256 Get Buffer for ONLINE call
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>PUSHBI 0
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jsr S.GetMem
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bcs .99
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>STYA ZPQuickPtr2
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stx hONLINE
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stz MLICALL.PARAMS+1
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>STYA MLICALL.PARAMS+2
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>MLICALL MLIONLINE
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bcs .
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lda #1 Ending 0
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sta BufSize
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stz BufSize+1
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ldy #0
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.1 lda (ZPQuickPtr2),y
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and #$0F
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beq .2
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sec Add Filelen +1
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adc BufSize
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sta BufSize
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lda #0
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adc BufSize
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sta BufSize
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lda #S.STAT
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adc BufSize
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sta BufSize
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lda /S.STAT
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adc BufSize+1
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sta BufSize+1
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inx
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.2 tya
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clc
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adc #16
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tay
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bcc .1
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txa
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beq .99 A=0, CS no more DIRENT
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>PUSHW BufSize
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>PUSHBI 0
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jsr S.GetMem
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bcs .98
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>STYA ZPQuickPtr3
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.98 pha
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lda hONLINE
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jsr S.FreeMemA
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pla
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sec
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.99 rts
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*--------------------------------------
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* In :
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* A = hDIR
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*--------------------------------------
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S.CLOSEDIRA jsr S.PFTCHECKDIRA
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sta hDIR
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jsr S.GetMemPtrA
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>STYA ZPQuickPtr1
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S.CLOSEDIRA.1 ldy #S.DIR.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.DIR.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 hDIR
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jsr S.FreeMemA
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clc
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rts
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*--------------------------------------
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hONLINE .BS 1
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BufSize .BS 2
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*--------------------------------------
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MAN
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SAVE SYS/KERNEL.S.DIR
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LOAD SYS/KERNEL.S
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ASM
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