A2osX/BIN/PS.S.txt

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PR#3
PREFIX /DATA/A2OSX
NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF BIN/PS
*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
.INB INC/KERNEL.I
.INB INC/LIBSTR.I
*--------------------------------------
ZPPTR1 .EQ ZPBIN
ZPPTR2 .EQ ZPBIN+2
ZPPTR3 .EQ ZPBIN+4
*--------------------------------------
* Main entry point
*--------------------------------------
* Code signature and INIT table
*--------------------------------------
* CLD $D8
* JMP (*,x) $7C
* #JMPTABLE
* /JMPTABLE
*--------------------------------------
CS.START cld
jmp (.1,x)
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.LIBSTR .DA LIBSTR
L.MSG0 .DA MSG0
L.MSG1 .DA MSG1
L.MSG2 .DA MSG2
.DA 0
.DA CS.END-CS.START Code Length To Relocate
.DA 0 Data Segment to Allocate
*--------------------------------------
CS.INIT >LIBLOADP L.LIBSTR
sta hLibStr
>LDYAI TSKMGR.TABLE
>STYA ZPPTR1
stz PS.COUNT
>PUSHW L.MSG0
>LIBCALL hLibStr,LIBSTR.PRINTF
.1 lda (ZPPTR1)
bpl .4
ldy #S.PS.hARGS
lda (ZPPTR1),y
beq .2
>SYSCALL SYS.GetMemPtrA
>PUSHYA
bra .3
.2 >PUSHW L.MSG2
.3 ldy #S.PS.hCMD
lda (ZPPTR1),y
>SYSCALL SYS.GetMemPtrA
>PUSHYA
ldy #S.PS.PID
lda (ZPPTR1),y
>PUSHA Parent PID
lda (ZPPTR1) push flags
>PUSHA
ldy #S.PS.ID
lda (ZPPTR1),y
>PUSHA DevID
>PUSHW L.MSG1
>LIBCALL hLibStr,LIBSTR.PRINTF
.4 lda ZPPTR1
clc
adc #S.PS.SIZE
sta ZPPTR1
bcc .5
inc ZPPTR1+1
.5 inc PS.COUNT
lda PS.COUNT
cmp #K.PS.MAX
beq .8
jmp .1
.8 lda #0 tell TSKMGR that all done ok, but
sec we do not want to stay in memory
rts
*--------------------------------------
CS.RUN
CS.DOEVENT clc
rts
*--------------------------------------
CS.QUIT lda hLibStr
>SYSCALL SYS.UnloadLibA
clc
rts
*--------------------------------------
CS.END
hLibStr .BS 1
PS.COUNT .BS 1
LIBSTR >PSTRING "libstr.o"
MSG0 >CSTRING "hPS Flags PID CMD ARGS\n"
MSG1 >CSTRING " %03d %b $%h %16S %32S\n"
MSG2 >PSTRING "(none)"
MAN
SAVE BIN/PS.S
ASM