A2osX/BIN/PS.S.txt
Rémy GIBERT 571fb59701 Kernel version 0.8 : SHELL, many new features, Error messages...etc...see README.md
Important KERNEL.S.ENV.txt rewrite to implement env in SHELL
2016-10-29 21:58:21 +02:00

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PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
.TF /A2OSX.BOOT/BIN/PS
*--------------------------------------
.INB /A2OSX.DEV/INC/MACROS.I
.INB /A2OSX.DEV/INC/A2OSX.I
*--------------------------------------
ZPPTR1 .EQ ZPBIN
ZPPTR2 .EQ ZPBIN+2
ZPPTR3 .EQ ZPBIN+4
*--------------------------------------
* 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 Length To Relocate
.DA 0 Data Segment to Allocate
.DA 0
.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1 .DA CS.INIT
.DA CS.RUN
.DA CS.DOEVENT
.DA CS.QUIT
L.MSG0 .DA MSG0
L.MSG1 .DA MSG1
.DA 0
*--------------------------------------
CS.INIT >LDYAI TSKMGR.TABLE+S.PS
>STYA ZPPTR1
stz PS.COUNT
>LDYA L.MSG0
>SYSCALL PrintfYA
.1 lda (ZPPTR1)
bpl .4
ldy #S.PS.hCMDLINE
lda (ZPPTR1),y
>SYSCALL GetMemPtrA
>PUSHYA
ldy #S.PS.PPID
lda (ZPPTR1),y
>PUSHA Parent PID
lda (ZPPTR1) push flags
>PUSHA
ldy #S.PS.PID
lda (ZPPTR1),y
>PUSHA PID
>LDYA L.MSG1
>SYSCALL PrintfYA
.4 lda ZPPTR1
clc
adc #S.PS
sta ZPPTR1
bcc .5
inc ZPPTR1+1
.5 inc PS.COUNT
lda PS.COUNT
cmp #K.PS.MAX
bne .1
lda #0 tell TSKMGR that all done ok, but
sec we do not want to stay in memory
rts
*--------------------------------------
CS.RUN
CS.DOEVENT
CS.QUIT clc
rts
*--------------------------------------
CS.END
PS.COUNT .BS 1
MSG0 >CSTR "ID Flags PID Command Line\n"
MSG1 >CSTR "%03d %b %03d %S\n"
MAN
SAVE BIN/PS.S
ASM