mirror of https://github.com/A2osX/A2osX.git
572 lines
9.9 KiB
Plaintext
572 lines
9.9 KiB
Plaintext
NEW
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AUTO 3,1
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.LIST OFF
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.OP 65C02
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.OR $2000
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.TF bin/pakme
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*--------------------------------------
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.INB inc/macros.i
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.INB inc/a2osx.i
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.INB inc/kernel.i
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.INB inc/pak.i
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.INB inc/libpak.i
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.INB inc/mli.e.i
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*--------------------------------------
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CHUNK.MAX .EQ 32
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*--------------------------------------
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.DUMMY
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.OR ZPBIN
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ZS.START
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ZPPtr1 .BS 2
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ZPPtr2 .BS 2
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ZPSrcFileSize .BS 2
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ZPDstTableOfs .BS 2
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hSrcFile .BS 1
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hDstFile .BS 1
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ZPChunkIndex .BS 1
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ZPChunkCnt .BS 1
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ZPChunkOfs .BS 2
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ZPChunkLen .BS 2
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ZPChunkPakedLen .BS 2
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ZPChunkNewOfs .BS 2
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hSrcBuf .BS 1
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hDstBuf .BS 1
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ZPSrcBufPtr .BS 2
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ZPDstBufPtr .BS 2
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bPause .BS 1
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ZS.END .ED
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
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CS.START cld
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jmp (.1,x)
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.DA #$61 6502,Level 1 (65c02)
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.DA #1 BIN Layout Version 1
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.DA 0
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.DA CS.END-CS.START Code Size (without Constants)
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.DA DS.END-DS.START Data SegmentSize
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.DA #64 Stack Size
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.DA #ZS.END-ZS.START Zero Page Size
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.DA 0
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*--------------------------------------
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* Relocation Table
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*--------------------------------------
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.1 .DA CS.INIT
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.DA CS.RUN
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.DA CS.DOEVENT
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.DA CS.QUIT
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L.LIBPAK .DA LIBPAK
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L.MSG.USAGE .DA MSG.USAGE
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L.MSG.SRCFILE .DA MSG.SRCFILE
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L.MSG.CHUNK .DA MSG.CHUNK
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L.MSG.PAKED .DA MSG.PAKED
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L.MSG.STORE .DA MSG.STORE
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L.MSG.E.IARC .DA MSG.E.IARC
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L.TAG .DA TAG
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.DA 0
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*--------------------------------------
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CS.INIT >LDYA L.LIBPAK
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>SYSCALL LoadLib
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bcs .9
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sta hLIB
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.9 rts
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*--------------------------------------
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CS.RUN ldy #S.PS.ARGC
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lda (pPS),y
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cmp #2
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bne .9
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jsr CS.RUN.CheckSrcFile
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bcs .99
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lda #2
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>SYSCALL ArgV
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>PUSHYA
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>PUSHBI O.CREATE+O.WRONLY
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>PUSHB.G STATBUF+S.STAT.P.TYPE
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>PUSHW.G STATBUF+S.STAT.P.AUXTYPE
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>SYSCALL FOpen
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bcs .99
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sta hDstFile
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bra CS.RUN.START
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.9 >LDYA L.MSG.USAGE
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>SYSCALL PutS
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lda #E.SYN
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sec
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.99 rts
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*--------------------------------------
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CS.RUN.START >PUSHW L.MSG.SRCFILE
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lda #1
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>SYSCALL ArgV
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>PUSHYA
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>PUSHW ZPSrcFileSize
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>PUSHW.G PAKME.HEADER+5
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>PUSHB.G PAKME.HEADER+7
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>PUSHW ZPDstTableOfs
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>PUSHBI 9
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>SYSCALL PrintF
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>LDYA ZPDstTableOfs
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jsr CS.RUN.GetSrcBufYA
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bcs CS.RUN.RTS
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>PUSHB hSrcFile
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>PUSHLZ
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>PUSHBI SEEK.SET
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>SYSCALL FSeek
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bcs CS.RUN.RTS
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>PUSHB hSrcFile
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>PUSHW ZPSrcBufPtr
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>PUSHW ZPDstTableOfs
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>SYSCALL FRead
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bcs CS.RUN.RTS
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>PUSHB hDstFile
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>PUSHW ZPSrcBufPtr
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>PUSHW ZPDstTableOfs
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>SYSCALL FWrite
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bcs CS.RUN.RTS
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jsr CS.QUIT.BUF
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jsr CS.RUN.WriteTable Write Fake table
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bcc CS.RUN.LOOP
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CS.RUN.RTS rts
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*--------------------------------------
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CS.RUN.LOOP ldy #S.PS.hStdIn
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lda (pPS),y
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>SYSCALL FEOF
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bcs CS.RUN.RTS
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tay
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bne .1
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>SYSCALL GetChar
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bcs CS.RUN.RTS
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cmp #$03 Ctrl-C
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beq CS.RUN.RTS Abort....
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cmp #$13 Ctrl-S
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bne .1
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lda bPause
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eor #$ff
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sta bPause
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bne CS.RUN.LOOP
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.1 lda bPause
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bne CS.RUN.LOOP Pause...
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*--------------------------------------
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jsr CS.RUN.GetChunk
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bcs CS.RUN.RTS
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>PUSHW L.MSG.CHUNK
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lda ZPChunkIndex
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inc
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>PUSHA
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>PUSHW ZPChunkOfs
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>PUSHW ZPChunkLen
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>PUSHBI 5
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>SYSCALL PrintF
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bcs .9
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jsr CS.RUN.Pak
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bcs .2
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jsr CS.RUN.WritePak
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bcc .7
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rts
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.2 jsr CS.RUN.WriteStore
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bcs .9
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.7 jsr CS.QUIT.BUF
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jsr CS.RUN.UpdateTable
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inc ZPChunkIndex
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dec ZPChunkCnt
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beq .8
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jmp CS.RUN.LOOP
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.8 jsr CS.RUN.RewriteTable Write modified Table
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bcs .9
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lda #0
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sec
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.9 rts
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*--------------------------------------
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CS.RUN.CheckSrcFile
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lda #1
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>SYSCALL ArgV
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>PUSHYA
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>PUSHBI O.RDONLY
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>PUSHBI 0 Type
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>PUSHWZ Aux type
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>SYSCALL FOpen
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bcs .99
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sta hSrcFile
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>PUSHB hSrcFile
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>PUSHEA.G STATBUF
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>SYSCALL FStat
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.99 bcs .9
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>LDA.G STATBUF+S.STAT.SIZE+3
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dey
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ora (pData),y
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bne .90
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dey
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lda (pData),y
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sta ZPSrcFileSize+1
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dey
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lda (pData),y
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sta ZPSrcFileSize
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jsr CS.RUN.CheckTAG
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bcs .9
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jsr CS.RUN.GetTable
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bcs .9
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clc
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rts
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.90 lda #MLI.E.INCFF
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sec
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.9
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CS.RUN.CheckSrcFile.RTS
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rts
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*--------------------------------------
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CS.RUN.CheckTAG >PUSHB hSrcFile
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>PUSHWZ
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lda ZPSrcFileSize
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sec
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sbc #10
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tay
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lda ZPSrcFileSize+1
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sbc #0
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>PUSHYA
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>PUSHBI SEEK.SET
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>SYSCALL FSeek
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bcs CS.RUN.CheckSrcFile.RTS
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>PUSHB hSrcFile
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>PUSHEA.G PAKME.HEADER
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>PUSHWI 10
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>SYSCALL FRead
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bcs CS.RUN.CheckSrcFile.RTS
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ldx #4
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ldy #PAKME.HEADER+4
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.1 lda TAG,x
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cmp (pData),y
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bne .90
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dey
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dex
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bpl .1
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clc
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rts
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.90 lda #MLI.E.INCFF
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sec
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.9 rts
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*--------------------------------------
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CS.RUN.GetTable >LDA.G PAKME.HEADER+8
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sec
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>SBC.G PAKME.HEADER+5
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sta ZPDstTableOfs
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>LDA.G PAKME.HEADER+9
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>SBC.G PAKME.HEADER+6
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sta ZPDstTableOfs+1
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>PUSHB hSrcFile
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>PUSHWZ
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>PUSHW ZPDstTableOfs
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>PUSHBI SEEK.SET
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>SYSCALL FSeek
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bcs .9
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>PUSHB hSrcFile
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>PUSHEA.G PAKME.TABLE
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>LDA.G PAKME.HEADER+7
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sta ZPChunkCnt
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asl
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tay
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lda #0
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>PUSHYA
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>SYSCALL FRead
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.9 rts
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*--------------------------------------
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CS.RUN.GetChunk lda ZPChunkIndex
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asl
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clc
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adc #PAKME.TABLE+1
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tay
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lda (pData),y
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pha
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dey
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lda (pData),y
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sec
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ldy #PAKME.HEADER+5
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sbc (pData),y
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sta ZPChunkOfs
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iny
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pla
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sbc (pData),y
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sta ZPChunkOfs+1
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>PUSHB hSrcFile
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>PUSHWZ
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>PUSHW ZPChunkOfs
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>PUSHBI SEEK.SET
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>SYSCALL FSeek
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bcs .9
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>PUSHB hSrcFile
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>PUSHEA.G CHUNK.HEADER
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>PUSHWI 3
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>SYSCALL FRead
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bcs .9
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>LDA.G CHUNK.HEADER
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bne .90
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>LDA.G CHUNK.HEADER+1
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sta ZPChunkLen
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pha
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iny
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lda (pData),y
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sta ZPChunkLen+1
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ply
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jsr CS.RUN.GetSrcBufYA
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bcs .9
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>PUSHB hSrcFile
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>PUSHW ZPSrcBufPtr
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>PUSHW ZPChunkLen
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>SYSCALL FRead
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bcs .9
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* clc
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rts
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.90 lda #MLI.E.INCFF
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sec
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.9 rts
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*--------------------------------------
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CS.RUN.GetSrcBufYA
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>SYSCALL GetMem
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bcs .9
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stx hSrcBuf
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>STYA ZPSrcBufPtr
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.9 rts
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*--------------------------------------
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CS.RUN.Pak >LDYA ZPChunkLen
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>SYSCALL GetMem
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bcs .9
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stx hDstBuf
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>STYA ZPDstBufPtr
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>PUSHEA.G PAKSTAT
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>PUSHW ZPDstBufPtr
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>PUSHW ZPChunkLen
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>PUSHW ZPSrcBufPtr
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>LIBCALL hLIB,LIBPAK.Pak
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bcs .9
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>STYA ZPChunkPakedLen
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.9 rts
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*--------------------------------------
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CS.RUN.RewriteTable
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>PUSHB hDstFile
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>PUSHWZ
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>PUSHW ZPDstTableOfs
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>PUSHBI SEEK.SET
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>SYSCALL FSeek
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bcs CS.RUN.WriteTable.RTS
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*--------------------------------------
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CS.RUN.WriteTable
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>PUSHB hDstFile
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>PUSHEA.G PAKME.TABLE
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>LDA.G PAKME.HEADER+7
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asl
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tay
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lda #0
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>PUSHYA
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>SYSCALL FWrite
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CS.RUN.WriteTable.RTS
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rts
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*--------------------------------------
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CS.RUN.WritePak lda hDstFile
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>SYSCALL FTell
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bcs .9
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>PULLW ZPChunkNewOfs
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inc pStack
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inc pStack
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>PUSHB hDstFile
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>PUSHW ZPDstBufPtr
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>PUSHW ZPChunkPakedLen
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>SYSCALL FWrite
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bcs .9
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>PUSHW L.MSG.PAKED
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>PUSHW ZPChunkPakedLen
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>PUSHW ZPChunkNewOfs
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>PUSHBI 4
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>SYSCALL PrintF
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.9
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CS.RUN.WritePak.RTS
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rts
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*--------------------------------------
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CS.RUN.WriteStore
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lda hDstFile
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>SYSCALL FTell
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bcs CS.RUN.WritePak.RTS
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>PULLW ZPChunkNewOfs
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inc pStack
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inc pStack
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>PUSHB hDstFile
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>PUSHEA.G CHUNK.HEADER
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>PUSHWI 3
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>SYSCALL FWrite
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bcs .9
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>PUSHB hDstFile
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>PUSHW ZPSrcBufPtr
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>PUSHW ZPChunkLen
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>SYSCALL FWrite
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bcs .9
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>PUSHW L.MSG.STORE
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>PUSHW ZPChunkLen
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>PUSHW ZPChunkNewOfs
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>PUSHBI 4
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>SYSCALL PrintF
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.9 rts
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*--------------------------------------
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CS.RUN.UpdateTable
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ldy #PAKME.HEADER+6
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lda (pData),y
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pha
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dey
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lda (pData),y
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pha
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lda ZPChunkIndex
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asl
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clc
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adc #PAKME.TABLE
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tay
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pla
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clc
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adc ZPChunkNewOfs
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sta (pData),y
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iny
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pla
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adc ZPChunkNewOfs+1
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sta (pData),y
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rts
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*--------------------------------------
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CS.DOEVENT sec
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rts
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*--------------------------------------
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CS.QUIT lda hDstFile
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beq .2
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>SYSCALL FClose
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.2 lda hSrcFile
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beq .3
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>SYSCALL FClose
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.3 jsr CS.QUIT.BUF
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lda hLIB
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beq .8
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>SYSCALL UnloadLib
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.8 clc
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rts
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*--------------------------------------
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CS.QUIT.BUF lda hDstBuf
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beq .1
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stz hDstBuf
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>SYSCALL FreeMem
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.1 lda hSrcBuf
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beq .8
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stz hSrcBuf
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>SYSCALL FreeMem
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.8 rts
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*--------------------------------------
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CS.END
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*--------------------------------------
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MSG.USAGE .CZ "Usage : PAKME SourceBIN PackedBIN\r\n"
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MSG.SRCFILE .CZ "Source File : %s, Size=%5D, Org=$%H, %d Chunks at $%H.\r\n"
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MSG.CHUNK .CZ " Chunk #%02d : Ofs=$%H, Len=%5D ... "
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MSG.PAKED .CZ "PAKed : %5D Bytes, New Ofs=$%H\r\n"
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MSG.STORE .CZ "Store : %5D Bytes, New Ofs=$%H\r\n"
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MSG.E.IARC .CZ "Invalid/corrupt archive"
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TAG .CZ "PAKME"
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*--------------------------------------
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LIBPAK .AZ "libpak"
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hLIB .BS 1
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*--------------------------------------
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.DUMMY
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.OR 0
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DS.START
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STATBUF .BS S.STAT
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PAKME.HEADER .BS 10
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PAKME.TABLE .BS CHUNK.MAX*2
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CHUNK.HEADER .BS 3
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PAKSTAT .BS S.PAKSTAT
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DS.END .ED
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*--------------------------------------
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MAN
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SAVE usr/src/bin/pakme.s
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ASM
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