mirror of
https://github.com/A2osX/A2osX.git
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272 lines
5.5 KiB
Plaintext
272 lines
5.5 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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IO.OPEN.REG >MLICALL MLIGETFILEINFO
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bcc IO.OPEN.REG.E Already Exists
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bit IO.Open.FLAGS Create if not exists ?
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bpl IO.OPEN.RTS No, return MLI error
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ldx #2 Yes, Create...
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.1 lda IO.Open.TYPE,x
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sta K.MLI.PARAMS+4,x File type,Aux type
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dex
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bpl .1
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lda #S.FI.ST.STD
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jsr IO.MLI.CREATE
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bcs IO.OPEN.RTS
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IO.OPEN.REG.E ldx #0
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jsr IO.MkFD
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bcs IO.OPEN.RTS
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jsr IO.MLI.OPEN
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bcs UNISTD.Open.ERR
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lda IO.Open.FLAGS
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bit #O.WRONLY
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beq .20 Write mode ?
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and #O.APPEND Append ?
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bne .11 yes, go to end of file
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stz K.MLI.PARAMS+2
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stz K.MLI.PARAMS+3
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stz K.MLI.PARAMS+4
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>MLICALL MLISETEOF no, reset size to 0
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bra .21
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.11 >MLICALL MLIGETEOF
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bcs UNISTD.Open.ERR
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>MLICALL MLISETMARK
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.21 bcs UNISTD.Open.ERR
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.20 lda IO.Open.FLAGS
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and #O.TEXT Text Mode ?
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beq .8
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lda #$FF
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sta K.MLI.PARAMS+2
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lda #C.CR
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sta K.MLI.PARAMS+3
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>MLICALL MLINEWLINE
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bcs UNISTD.Open.ERR
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.8 lda IO.hFD
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IO.OPEN.RTS rts
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UNISTD.Open.ERR pha Save Error Code
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lda IO.hFD
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jsr K.Close
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pla
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sec
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rts
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*--------------------------------------
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IO.READ.REG ldx #MLIREAD
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.HS 2C BIT ABS
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*--------------------------------------
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IO.WRITE.REG ldx #MLIWRITE
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ldy #S.FD.REG.REF
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lda (pFD),y
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sta K.MLI.PARAMS+1
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>PULLW K.MLI.PARAMS+2
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>PULLW K.MLI.PARAMS+4
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lda #4 Param Count = 4 for MLIREAD & MLIWRITE
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jsr GP.MLICall
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bcs .9
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>LDYA K.MLI.PARAMS+6
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.9
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IO.WRITE.REG.RTS
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rts
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*--------------------------------------
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IO.CLOSE.REG
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IO.CLOSE.DIR ldy #S.FD.REG.REF
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lda (pFD),y
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beq .1
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sta K.MLI.PARAMS+1
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>MLICALL MLICLOSE
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.1 ldy #S.FD.REG.IOBUF
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lda (pFD),y
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beq .2
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jsr K.FreeMem
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.2 lda IO.hFD
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jmp K.FreeMem
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*--------------------------------------
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IO.EOF.REG >MLICALL MLIGETMARK
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bcs .9
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ldy #2
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.1 lda K.MLI.PARAMS+2,y
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sta ACC32,y
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dey
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bpl .1
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>MLICALL MLIGETEOF
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bcs .9
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ldy #2
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.2 lda K.MLI.PARAMS+2,y
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eor ACC32,y
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bne .8 FALSE
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dey
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bpl .2
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lda #$ff TRUE
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* clc
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rts
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.8 lda #0
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* clc
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.9 rts
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*--------------------------------------
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IO.MLI.CREATE sta K.MLI.PARAMS+7 Storage Type
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ldx #3
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.1 lda DATELO,x
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sta K.MLI.PARAMS+8,x Create Date/Time
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dex
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bpl .1
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lda #S.FI.A.FULL
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sta K.MLI.PARAMS+3 Access
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>MLICALL MLICREATE
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rts
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*--------------------------------------
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IO.MLI.OPEN >LDYAI 1024 get a ProDOS IOBUF
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ldx #S.MEM.F.ALIGN
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jsr MEM.GetMem.YAX
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bcs .9
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>STYA K.MLI.PARAMS+3 Save Ptr to IOBUF for MLIOPEN call
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txa
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ldy #S.FD.REG.IOBUF
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sta (pFD),y
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>MLICALL MLIOPEN
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bcs .9
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lda K.MLI.PARAMS+5 get ref_num
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ldy #S.FD.REG.REF
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sta (pFD),y
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sta K.MLI.PARAMS+1 Next MLI Calls are REF_NUM based
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* clc
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.9 rts
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*--------------------------------------
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SHARED.ClrStat ldx #S.STAT-1
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.1 stz K.S.STAT,x
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dex
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bpl .1
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lda CORE.FSID
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sta K.S.STAT+S.STAT.FSID
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rts
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SHARED.ClrStat.RTS
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*--------------------------------------
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SHARED.DirEnt2Stat
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jsr SHARED.ClrStat
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lda (ZPPtr3)
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and #$F0
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cmp #$D0 Vol Hdr, Dir Hdr or Dir ?
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bcc .1
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lda /S.STAT.MODE.DIR
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sta K.S.STAT+S.STAT.MODE+1
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.1 ldx #SHARED.DirEnt.Cnt
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.2 ldy SHARED.DirEnt.Src-1,x
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lda (ZPPtr3),y
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ldy SHARED.Stat.Dst-1,x
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sta K.S.STAT,y
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dex
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bne .2
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ldy #$1E ProDOS Access
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lda (ZPPtr3),y
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jsr SHARED.Access2Mode
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lda #$18 creation Date/time
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ldx #K.S.STAT+S.STAT.CTIME
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jsr SHARED.PTime2StatAX
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lda #$21 mod Date/time
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ldx #K.S.STAT+S.STAT.MTIME
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jmp SHARED.PTime2StatAX
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*--------------------------------------
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SHARED.Mode2Access
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clc
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rts
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*--------------------------------------
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SHARED.Access2Mode
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and #S.FI.A.FULL
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cmp #S.FI.A.FULL
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beq .7
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tay
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ldx #S.STAT.MODE.RO+S.STAT.MODE.RG+S.STAT.MODE.RU+S.STAT.MODE.XO+S.STAT.MODE.XG+S.STAT.MODE.XU
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bit #S.FI.A.W
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beq .1
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txa
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ora #S.STAT.MODE.WO
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tax
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tya
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.1 asl D in C
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bpl .2 RN in N
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txa
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ora #S.STAT.MODE.WG
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tax
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.2 txa
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bcc .8
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ora #S.STAT.MODE.WU
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.HS 2C BIT ABS
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.7 lda #S.STAT.MODE.FO+S.STAT.MODE.FG+S.STAT.MODE.FU rwxrwxrwx
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.8 sta K.S.STAT+S.STAT.MODE
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lda /S.STAT.MODE.RU ??????R??
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ora K.S.STAT+S.STAT.MODE+1 preserve DIR
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sta K.S.STAT+S.STAT.MODE+1
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rts
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*--------------------------------------
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SHARED.PTime2StatAX
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clc
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adc ZPPtr3
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tay
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lda ZPPtr3+1
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adc #0
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SHARED.PTime2StatYAX
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>PUSHYA
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>PUSHB /K.S.STAT
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txa
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>PUSHA
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>SYSCALL2 PTime2Time
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rts
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*--------------------------------------
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SHARED.GFI.Src .DA #S.FI.T,#S.FI.AUXTYPE,#S.FI.AUXTYPE+1
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.DA #S.FI.UBLKS,#S.FI.UBLKS+1
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SHARED.GFI.Cnt .EQ *-SHARED.GFI.Src
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*--------------------------------------
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SHARED.DirEnt.Src
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.HS 10.1f20.1314.151617
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SHARED.DirEnt.Cnt .EQ *-SHARED.DirEnt.Src
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*--------------------------------------
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SHARED.Stat.Dst .DA #S.STAT.P.TYPE,#S.STAT.P.AUXTYPE,#S.STAT.P.AUXTYPE+1
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.DA #S.STAT.BLOCKS,#S.STAT.BLOCKS+1
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.DA #S.STAT.SIZE,#S.STAT.SIZE+1,#S.STAT.SIZE+2
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*--------------------------------------
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MAN
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SAVE usr/src/sys/kernel.s.fs
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LOAD usr/src/sys/kernel.s
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ASM
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