A2osX/BIN/WHO.S.txt

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
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.TF bin/who
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*--------------------------------------
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.INB inc/macros.i
.INB inc/io.i
.INB inc/mli.i
.INB inc/a2osx.i
.INB inc/kernel.i
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*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
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SessionID .BS 1
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hSession .BS 1
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ZPSessionPtr .BS 2
ZPFDPtr .BS 2
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ZS.END .ED
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*--------------------------------------
* File Header (16 Bytes)
*--------------------------------------
CS.START cld
jmp (.1,x)
.DA #$61 6502,Level 1 (65c02)
.DA #1 BIN Layout Version 1
.DA 0
.DA CS.END-CS.START Code Size (without Constants)
.DA DS.END-DS.START Data SegmentSize
.DA #64 Stack Size
.DA #ZS.END-ZS.START Zero Page Size
.DA 0
*--------------------------------------
* Relocation Table
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*--------------------------------------
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.1 .DA CS.INIT
.DA CS.RUN
.DA CS.EVENT
.DA CS.QUIT
L.MSG0 .DA MSG0
L.MSG1 .DA MSG1
.DA 0
*--------------------------------------
CS.INIT clc
rts
*--------------------------------------
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CS.RUN >LDYA L.MSG0
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>SYSCALL PutS
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ldx #1
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stx SessionID
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.1 lda USRs.hSID-1,x
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beq .7
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>SYSCALL GetStkObj
>STYA ZPSessionPtr
stx hSession
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>PUSHW L.MSG1 format
>PUSHB SessionID 1 byte SID
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ldx SessionID
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lda USRs.hSID-1,x
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>PUSHA 1 byte hSession
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>PUSHB (ZPSessionPtr) 1 byte PRIVILEGE
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ldy #S.SESSION.UID
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>PUSHB (ZPSessionPtr),y 1 byte UID
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iny #S.SESSION.UID
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>PUSHB (ZPSessionPtr),y 1 byte GID
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lda ZPSessionPtr
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clc
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adc #S.SESSION.NAME
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tay
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lda ZPSessionPtr+1
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adc /S.SESSION.NAME
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>PUSHYA 2 bytes NAME
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jsr CS.RUN.GetDevName 3 bytes hFD DEV
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>PUSHBI 10 total = 10 ... bytes
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>SYSCALL PrintF
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lda hSession
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>SYSCALL FreeMem
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.7 inc SessionID
ldx SessionID
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cpx #K.USR.MAX+1
bcc .1
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.8 lda #0 tell TSKMGR that all done ok, but
sec we do not want to stay in memory
.9 rts
*--------------------------------------
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CS.RUN.GetDevName
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lda USRs.hFile-1,x
>PUSHA
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tax
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lda FILEs.hName-1,x
bne .1
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lda FILEs.hFD-1,x
tay
ldx FILEs.hFD-1,y
ldy FDs.pLO-1,x
lda FDs.pHI-1,x
>STYA ZPFDPtr
lda ZPFDPtr
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clc
adc #S.FD.DEV
tay
lda ZPFDPtr+1
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adc /S.FD.DEV
>PUSHYA
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rts
.1 >SYSCALL GetMemPtr
>PUSHYA
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rts
*--------------------------------------
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CS.EVENT sec
rts
*--------------------------------------
CS.QUIT clc
rts
*--------------------------------------
CS.END
MSG0 .CZ "SID hSD Privilege UID GID Name hFD Dev"
MSG1 .CZ "%3d %3d %b %3d %3d %16s %3d %s\r\n"
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*--------------------------------------
.DUMMY
.OR 0
DS.START
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DS.END .ED
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*--------------------------------------
MAN
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SAVE usr/src/bin/who.s
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ASM