mirror of
https://github.com/A2osX/A2osX.git
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351 lines
5.8 KiB
Plaintext
351 lines
5.8 KiB
Plaintext
NEW
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PREFIX /A2OSX.BUILD
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AUTO 4,1
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*--------------------------------------
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X.SLIST jmp (.1-SYS.SListAdd,x)
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.1 .DA SLIST.Add
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.DA SLIST.Lookup
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.DA SLIST.GetByID
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.DA SLIST.UpdateByID
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.DA SLIST.New
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.DA SLIST.Free
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*--------------------------------------
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SLIST.Add jsr SLIST.Search
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bcc .99 Lookup succeeded...DUP
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ldy #$ff
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.1 iny
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jsr MEM.GetKeyCharY
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bcc .1
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sty .8+1
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tya
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beq .9 CS
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jsr SLIST.AddBlockByte
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bcs .9
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ldy #0
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.2 jsr MEM.GetKeyCharY
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bcs .3
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jsr SLIST.AddBlockByte
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bcs .9
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iny
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bra .2
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.3 jsr MEM.GetDataByte
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tax
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jsr SLIST.AddBlockByte
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bcs .9
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.4 jsr MEM.GetDataByte
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jsr SLIST.AddBlockByte
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bcs .9
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dex
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bne .4
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.8 lda #$ff SELF MODIFIED
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clc
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.HS B0 BCS
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.99 sec
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ldx ZPSListID
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ldy ZPSListID+1
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.9 rts
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*--------------------------------------
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SLIST.Lookup jsr SLIST.Search
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bcs .9
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sty .8+1 Save Key Length
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jsr SLIST.GetBlockByte
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tax
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jsr MEM.SetDataByte
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.1 jsr SLIST.GetNextBlockByte
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jsr MEM.SetDataByte
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dex
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bne .1
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.8 lda #$ff SELF MODIFIED
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ldx ZPSListID
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ldy ZPSListID+1
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clc
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.9 rts
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*--------------------------------------
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SLIST.GetByID jsr SLIST.Select
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jsr SLIST.GetBlockByte
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tax
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beq .9
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ldy #0
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jsr MEM.SetKeyCharY
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.1 jsr SLIST.GetNextBlockByte
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iny
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jsr MEM.SetKeyCharY
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dex
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bne .1
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jsr SLIST.GetNextBlockByte
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tax
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jsr MEM.SetDataByte
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.2 jsr SLIST.GetNextBlockByte
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jsr MEM.SetDataByte
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dex
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bne .2
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jsr SLIST.GetNextBlockByte
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clc
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.HS B0 BCS
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.9 sec
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ldx SLIST.BlockOfs
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ldy SLIST.IndexOfs
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rts
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*--------------------------------------
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SLIST.UpdateByID
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jsr SLIST.Select
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jsr SLIST.GetBlockByte
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tax
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.1 jsr SLIST.GetNextBlockByte
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dex
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bne .1
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jsr SLIST.GetNextBlockByte set pos at DATALEN
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jsr MEM.GetDataByte
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tax
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jsr SLIST.SetBlockByte
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.4 jsr MEM.GetDataByte
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jsr SLIST.SetBlockByte
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dex
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bne .4
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clc
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rts
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*--------------------------------------
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SLIST.New >LDYAI 160 40k Max before out of memory!!!
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jsr K.GetMem0
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bcs .9
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>STYA ZPSListIBlkPtr
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stx .8+1
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>LDYAI 256
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jsr K.GetMem0
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bcs .9
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txa
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sta (ZPSListIBlkPtr)
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.8 lda #$ff SELF MODIFIED
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.9 rts
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*--------------------------------------
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SLIST.Free sta .8+1
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jsr K.GetMemPtr
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>STYA .1+1
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ldx #0
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.1 lda $ffff,x SELF MODIFIED
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beq .8
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jsr K.FreeMem
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inx
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bra .1
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.8 lda #$ff SELF MODIFIED
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jmp K.FreeMem
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*--------------------------------------
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SLIST.Select jsr K.GetMemPtr
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>STYA ZPSListIBlkPtr
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ldy ZPSListID+1
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sty SLIST.IndexOfs
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lda (ZPSListIBlkPtr),y
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jsr K.GetMemPtr
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>STYA ZPSListDBlkPtr
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lda ZPSListID
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sta SLIST.BlockOfs
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rts
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*--------------------------------------
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SLIST.Search jsr K.GetMemPtr
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>STYA ZPSListIBlkPtr
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stz SLIST.IndexOfs
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stz ZPSListID+1
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lda (ZPSListIBlkPtr)
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jsr K.GetMemPtr
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>STYA ZPSListDBlkPtr
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stz SLIST.BlockOfs
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stz ZPSListID
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jsr SLIST.GetBlockByte
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tax
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beq .9
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.1 ldy #0
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.2 jsr MEM.GetKeyCharY
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bcs .40
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iny
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sta .3+1
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jsr SLIST.GetNextBlockByte
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.3 cmp #$ff SELF MODIFIED
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bne .4
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dex
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bne .2
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jsr MEM.GetKeyCharY
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bcs .8 End of Key....match!!!!
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jsr SLIST.GetNextBlockByte
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bra .41
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.8 jsr SLIST.GetNextBlockByte Advance to DATA LEN
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clc Y = Key Length
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rts
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.40 inx
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.4 jsr SLIST.GetNextBlockByte skip remaining key chars
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dex
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bne .4
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.41 tax A=get Data Len
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.5 jsr SLIST.GetNextBlockByte skip data bytes
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dex
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bne .5
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jsr SLIST.GetNextBlockByte
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ldx SLIST.IndexOfs
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stx ZPSListID+1
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ldx SLIST.BlockOfs
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stx ZPSListID
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tax
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bne .1
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.9 sec
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rts
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*--------------------------------------
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SLIST.GetNextBlockByte
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phy
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ldy SLIST.BlockOfs
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iny
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beq .1
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lda (ZPSListDBlkPtr),y
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sty SLIST.BlockOfs
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ply
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rts
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.1 ldy SLIST.IndexOfs
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iny
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lda (ZPSListIBlkPtr),y
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beq .9 Exit with A=0
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sty SLIST.IndexOfs
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jsr K.GetMemPtr
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>STYA ZPSListDBlkPtr
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stz SLIST.BlockOfs
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lda (ZPSListDBlkPtr)
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.9 ply
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rts
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SLIST.GetBlockByte
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phy
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ldy SLIST.BlockOfs
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lda (ZPSListDBlkPtr),y
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ply
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rts
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*--------------------------------------
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SLIST.AddBlockByte
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phy
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ldy SLIST.BlockOfs
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sta (ZPSListDBlkPtr),y
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inc SLIST.BlockOfs
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bne .8
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phx
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>LDYAI 256
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jsr K.GetMem0
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bcs .9
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>STYA ZPSListDBlkPtr
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txa
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inc SLIST.IndexOfs
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ldy SLIST.IndexOfs
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sta (ZPSListIBlkPtr),y
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* stz SLIST.BlockOfs
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plx
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.8 ply
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clc
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rts
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.9 plx
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ply
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sec
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rts
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*--------------------------------------
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SLIST.SetBlockByte
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phy
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ldy SLIST.BlockOfs
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sta (ZPSListDBlkPtr),y
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inc SLIST.BlockOfs
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bne .8
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inc SLIST.IndexOfs
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ldy SLIST.IndexOfs
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lda (ZPSListIBlkPtr),y
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beq *
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jsr K.GetMemPtr
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>STYA ZPSListDBlkPtr
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* stz SLIST.BlockOfs
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.8 ply
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rts
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*--------------------------------------
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SLIST.IndexOfs .BS 1
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SLIST.BlockOfs .BS 1
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*--------------------------------------
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MAN
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SAVE /A2OSX.SRC/SYS/KERNEL.S.SLIST
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LOAD /A2OSX.SRC/SYS/KERNEL.S
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ASM
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