A2osX/SYS/KERNEL.S.PFT.txt

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NEW
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AUTO 3,1
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*--------------------------------------
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PFT.CheckPath0 ldy #0
.HS 2C BIT ABS
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PFT.CheckPath1 ldy #1
.HS 2C BIT ABS
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PFT.CheckPath2 ldy #2
.HS 2C BIT ABS
PFT.CheckPath4 ldy #4
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lda (pStack),y
pha
iny
lda (pStack),y
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ply
PFT.CheckPathYA >PUSHYA
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stx .6+1 Save SYSCALL #
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>PUSHWI K.Buf256
>SYSCALL2 realpath
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bcs PFT.YAToMLIPATH.RTS
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ldx #0
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.1 inx
lda Flt.Table.pftHI-1,x
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beq .8
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sta ZPPtr1+1
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lda Flt.Table.pftLO-1,x
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sta ZPPtr1
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ldy #$ff
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.2 iny
lda (ZPPtr1),y "/FILTER\0"
beq .3 end of filter string....
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cmp K.Buf256,y can be \0
beq .2
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bra .8
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.3 lda K.Buf256,y path is "/FILTER/..." ?
cmp #'/'
bne .8
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lda Flt.Table.cbLO-1,x
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sta .7+1
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lda Flt.Table.cbHI-1,x
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sta .7+2
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stx hHandler
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pla discard JSR return @
pla
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lda /K.Buf256 pass full path to handler
iny skip "/"
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* ldy #K.Buf256
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.6 ldx #$ff SELF MODIFIED SYSCALL #
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.7 jmp $ffff SELF MODIFIED
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.8 cpx #K.FLT.MAX
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bne .1
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>LDYAI K.Buf256
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*--------------------------------------
PFT.YAToMLIPATH >STYA .1+1
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ldx #0 no filter, prodos path
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.1 lda $ffff,x SELF MODIFIED
beq .2
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inx
sta K.MLI.PATH,x
cpx #MLI.MAXPATH
bne .1
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.2 stx K.MLI.PATH
inx
stz K.MLI.PATH,x Make ending 0 for /dev/xxx path
>LDYAI K.MLI.PATH
>STYA K.MLI.PARAMS+1
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clc
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PFT.YAToMLIPATH.RTS
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rts
*--------------------------------------
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PFT.CheckNode4 ldy #4
.HS 2C BIT ABS
PFT.CheckNode2 ldy #2
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lda (pStack),y
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PFT.CheckNodeA stx .80+1 Save SYSCALL #
sta .81+1 Save hFILE
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jsr DEV.GetPFD
bcs .99
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ldy #S.FD.HANDLER
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lda (pFD),y
beq .8 Handler is 0, back to kernel....
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tax
lda Flt.Table.cbLO-1,x
sta .7+1
lda Flt.Table.cbHI-1,x
sta .7+2
stx hHandler
pla discard JSR return @
pla
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ldx .80+1 restore SYSCALL #
lda .81+1 restore passed hFILE
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.7 jmp $ffff SELF MODIFIED
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.8 lda (pFD) #S.FD.T
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cmp #S.FD.T.CDEV
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bcs .80
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ldy #S.FD.REG.REF REG or DIR
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lda (pFD),y
sta K.MLI.PARAMS+1
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.80 ldx #$ff SELF MODIFIED
.81 lda #$ff SELF MODIFIED
clc
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.99 rts
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*--------------------------------------
MAN
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SAVE usr/src/sys/kernel.s.pft
LOAD usr/src/sys/kernel.s
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ASM