mirror of https://github.com/A2osX/A2osX.git
428 lines
6.9 KiB
Plaintext
428 lines
6.9 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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ZPSListDataOfs .EQ ZPMEMMGR+8
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ZPSListDataLen .EQ ZPMEMMGR+10
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*--------------------------------------
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SLIST.Opt .BS 1
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SLIST.KeyLen .BS 1
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SLIST.DataLen .BS 2
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SLIST.nDataCnt .BS 2
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SLIST.nBufCnt .BS 2
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SLIST.bStr .BS 1
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SLIST.b0 .BS 1
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SLIST.KeyID .BS 2
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*--------------------------------------
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SLISTX.GetData jsr SLIST.Select
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jsr SLIST.SkipKey
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jsr SLIST.GetDataLen
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lda SLIST.DataLen
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sec
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sbc ZPSListDataOfs Offset
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eor #$ff
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sta SLIST.nDataCnt
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lda SLIST.DataLen+1
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sbc ZPSListDataOfs+1
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eor #$ff
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sta SLIST.nDataCnt+1 Data remaining
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bcc .99 Offset Beyond DataLen
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lda ZPSListDataOfs Skip to Offset
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ldx ZPSListDataOfs+1
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jsr SLIST.SkipDataAX
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stz SLIST.b0
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lda FORPNT
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ora FORPNT+1
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bne .12 buffer provided
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>LDYA SLIST.DataLen
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iny
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bne .11
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inc +1 for ending 0
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sec
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ror SLIST.b0
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.11 ldx #SYS.GetMem
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jsr K.SYSCALL2.MAIN !!! Get a buffer In MAIN Mem !!!
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bcs .9
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stx .88+1
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>STYA FORPNT
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.12 lda ZPSListDataLen
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ora ZPSListDataLen+1
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sec
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beq .1 String Mode
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lda ZPSListDataLen
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eor #$ff
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sta SLIST.nBufCnt
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lda ZPSListDataLen+1
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eor #$ff
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sta SLIST.nBufCnt+1
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clc
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.1 ror SLIST.bStr
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stz ZPSListDataLen
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stz ZPSListDataLen+1
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.2 inc SLIST.nDataCnt
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bne .3
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inc SLIST.nDataCnt+1
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beq .80
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.3 bit SLIST.bStr
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bmi .4 String mode : until CR
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inc SLIST.nBufCnt
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bne .4
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inc SLIST.nBufCnt+1
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beq .80 not string mode : until end of buffer
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.4 jsr BLISTX.GetNByte
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bit SLIST.bStr
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bpl .5
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cmp #C.CR
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beq .81
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.5 jsr SHARED.FORPNTpn
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inc ZPSListDataLen
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bne .2
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inc ZPSListDataLen+1
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bra .2
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.99 lda #E.EMPTYKEY
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sec
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.9 rts
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.80 lda SLIST.bStr
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ora SLIST.b0
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bpl .82
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.81 lda #0
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jsr SHARED.FORPNTpn
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.82 >LDYA ZPSListDataLen
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.88 ldx #$ff SELF MODIFIED
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clc
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rts
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*--------------------------------------
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SLISTX.AddData jsr SLIST.Select
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jsr SLIST.SkipKey
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ldy iByte
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lda (DBlkPtr),y
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pha
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clc
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adc ZPSListDataLen
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sta (DBlkPtr),y
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php
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jsr BLISTX.2NByte skip LEN lo
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plp
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ldy iByte
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lda (DBlkPtr),y
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pha
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adc ZPSListDataLen+1
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sta (DBlkPtr),y
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jsr BLISTX.2NByte skip LEN hi
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plx
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pla
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jsr SLIST.SkipDataAX
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lda ZPSListDataLen
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eor #$ff
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sta ZPSListDataLen
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lda ZPSListDataLen+1
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eor #$ff
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sta ZPSListDataLen+1
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sec
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.1 inc ZPSListDataLen
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bne .2
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inc ZPSListDataLen+1
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beq .8
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.2 jsr SHARED.FORPNTgn
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bcc .3
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jsr BLISTX.SetBlkByte override ending 0, already allocated
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clc
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bra .1
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.3 jsr BLISTX.AddByte
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bcc .1
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rts
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.8 lda #0
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jmp BLISTX.AddByte Add an extra 0 to stop Search here
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*--------------------------------------
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SLISTX.SetData jsr SLIST.Select
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jsr SLIST.SkipKey
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jsr SLIST.GetDataLen
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lda SLIST.DataLen
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cmp ZPSListDataLen
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bne .9
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ldx SLIST.DataLen+1
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cpx ZPSListDataLen+1
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bne .9
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eor #$ff
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sta SLIST.nDataCnt
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txa
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eor #$ff
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sta SLIST.nDataCnt+1
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.1 inc SLIST.nDataCnt
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bne .2
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inc SLIST.nDataCnt+1
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beq .8
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.2 jsr SHARED.FORPNTgn
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jsr BLISTX.SetBlkByte
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bra .1
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.8 clc
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rts
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.9 lda #E.DATALEN
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sec
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rts
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*--------------------------------------
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SLISTX.GetByID jsr SLIST.Select
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jsr BLISTX.GetNByte
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tax
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beq .9
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ldy #0
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.1 phy
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jsr BLISTX.GetNByte
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ply
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jsr SHARED.FORPNTpn
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iny
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dex
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bne .1
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txa lda #0
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jsr SHARED.FORPNTpn
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jsr SLIST.SkipData
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>LDYA KeyID
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clc
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rts
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.9 lda #E.NOKEY
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sec
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rts
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*--------------------------------------
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SLISTX.NewKey jsr SLIST.Search
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bcc .99
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>LDYA KeyID
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>STYA SLIST.KeyID End of list
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lda SLIST.KeyLen
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jsr BLISTX.SetBlkByte override ending 0, already allocated
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ldy #0
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.1 jsr SHARED.TXTPTRgY
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jsr BLISTX.AddByte
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bcs .9
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iny
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cpy SLIST.KeyLen
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bne .1
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lda #0 Data Len lo = 0
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jsr BLISTX.AddByte
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bcs .9
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lda #0 Data Len hi = 0
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jsr BLISTX.AddByte
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bcs .9
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lda #0 Ending Len = 0
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jsr BLISTX.AddByte
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bcs .9
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>LDYA SLIST.KeyID
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ldx SLIST.KeyLen
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* clc
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rts
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.99 lda #E.DUPKEY
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sec
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.9 rts
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*--------------------------------------
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SLISTX.Lookup jsr SLIST.Search
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bcs .9
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ldx SLIST.KeyLen
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.9 rts
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*--------------------------------------
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* PRIVATE
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*--------------------------------------
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SLIST.Search jsr K.GetMemPtr
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>STYA IBlkPtr
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lda (IBlkPtr)
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sta SLIST.Opt
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stz iByte
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ldy #1
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sty iBlk
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lda (IBlkPtr),y
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jsr K.GetMemPtr
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>STYA DBlkPtr
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ldy #$ff
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.1 iny
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jsr SHARED.TXTPTRgY
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beq .2
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jsr SLIST.IsIDValid
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bcc .1
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.2 sty SLIST.KeyLen
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.3 >LDYA KeyID
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>STYA SLIST.KeyID
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ldy iByte
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lda (DBlkPtr),y
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beq .9
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cmp SLIST.KeyLen
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bne .6
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jsr BLISTX.GetNByte Skip Len
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ldy #0
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.4 phy
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jsr BLISTX.GetNByte
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sta .5+1
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ply
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jsr SHARED.TXTPTRgY
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.5 cmp #$ff SELF MODIFIED
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bne .6
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iny
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cpy SLIST.KeyLen
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bne .4
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>LDYA SLIST.KeyID
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clc
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rts
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.6 >LDYA SLIST.KeyID
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jsr SLIST.Select.I move back...
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jsr SLIST.Next
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bra .3
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.9 lda #E.NOKEY
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sec
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rts
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*--------------------------------------
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SLIST.Select jsr K.GetMemPtr
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>STYA IBlkPtr
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>LDYA TXTPTR
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SLIST.Select.I >STYA KeyID
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ldy iBlk
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lda (IBlkPtr),y
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jsr K.GetMemPtr
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>STYA DBlkPtr
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rts
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*--------------------------------------
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SLIST.Next jsr SLIST.SkipKey
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SLIST.SkipData jsr SLIST.GetDataLen
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lda SLIST.DataLen
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ldx SLIST.DataLen+1
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SLIST.SkipDataAX
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clc
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adc iByte
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sta iByte
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txa
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adc iBlk
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sta iBlk
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tay
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lda (IBlkPtr),y
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jsr K.GetMemPtr
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>STYA DBlkPtr
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rts
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*--------------------------------------
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SLIST.SkipKey ldy iByte
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lda (DBlkPtr),y Get KeyLen
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sec
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adc iByte
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sta iByte
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bcc .8
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jmp BLISTX.2NBlk
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.8 rts
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*--------------------------------------
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SLIST.GetDataLen
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jsr BLISTX.GetNByte Get DataLenLo
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sta SLIST.DataLen
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jsr BLISTX.GetNByte Get DataLenHI
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sta SLIST.DataLen+1
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rts
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*--------------------------------------
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SLIST.IsIDValid bit SLIST.Opt
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bpl .2
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cmp #'.'
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beq .8
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.1 bit SLIST.Opt
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.2 bvc .3
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cmp #'_'
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beq .8
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.3 jmp SHARED.IsDigitOrL
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.8 clc
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rts
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*--------------------------------------
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MAN
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SAVE usr/src/sys/kernel.s.slistx
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LOAD usr/src/sys/kernel.s
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ASM
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