A2osX/BIN/WHO.S.txt
2021-07-26 15:45:29 +02:00

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NEW
AUTO 3,1
.LIST OFF
.OP 65C02
.OR $2000
.TF bin/who
*--------------------------------------
.INB inc/macros.i
.INB inc/io.i
.INB inc/mli.i
.INB inc/a2osx.i
.INB inc/kernel.i
*--------------------------------------
.DUMMY
.OR ZPBIN
ZS.START
SessionID .BS 1
hSession .BS 1
ZPSessionPtr .BS 2
ZS.END .ED
*--------------------------------------
* 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
*--------------------------------------
.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
*--------------------------------------
CS.RUN >LDYA L.MSG0
>SYSCALL PutS
ldx #1
stx SessionID
.1 lda S.Table.hSID-1,x
beq .7
>SYSCALL GetStkObj
>STYA ZPSessionPtr
stx hSession
>PUSHW L.MSG1 format
>PUSHB SessionID 1 byte SID
ldx SessionID
lda S.Table.hSID-1,x
>PUSHA 1 byte hSession
>PUSHB (ZPSessionPtr) 1 byte PRIVILEGE
ldy #S.SESSION.UID
>PUSHB (ZPSessionPtr),y 1 byte UID
iny #S.SESSION.UID
>PUSHB (ZPSessionPtr),y 1 byte GID
lda ZPSessionPtr
clc
adc #S.SESSION.NAME
tay
lda ZPSessionPtr+1
adc /S.SESSION.NAME
>PUSHYA 2 bytes NAME
ldx SessionID
lda S.Table.hFile-1,x
jsr CS.RUN.GetDevName
>PUSHYA 2 bytes DEV
>PUSHBI 9 total = 9 ... bytes
>SYSCALL PrintF
lda hSession
>SYSCALL FreeMem
.7 inc SessionID
ldx SessionID
cpx #K.USR.MAX+1
beq .8
jmp .1
.8 lda #0 tell TSKMGR that all done ok, but
sec we do not want to stay in memory
.9 rts
*--------------------------------------
CS.RUN.GetDevName
tax
lda hFDs.hName-1,x
bne .8
lda hFDs-1,x
>SYSCALL GetMemPtr
pha
tya
clc
adc #S.FD.DEV
tay
pla
adc /S.FD.DEV
* clc
rts
.8 >SYSCALL GetMemPtr
rts
*--------------------------------------
CS.EVENT sec
rts
*--------------------------------------
CS.QUIT clc
rts
*--------------------------------------
CS.END
MSG0 .AZ "SID hSD Privilege UID GID Name Dev"
MSG1 .AZ "%3d $%0h %b %3d %3d %16s %s\r\n"
*--------------------------------------
.DUMMY
.OR 0
DS.START
DS.END .ED
*--------------------------------------
MAN
SAVE usr/src/bin/who.s
ASM