A2osX/BIN/PS.S.txt

NEW
  AUTO 3,1
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF BIN/PS
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
				.INB INC/KERNEL.I
*--------------------------------------
				.DUMMY
				.OR ZPBIN
ZS.START
ZPPSPtr			.BS 2
ZPArgV			.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					S.PS.F.EVENT
				.DA #0
				.DA CS.END-CS.START		Code Size (without Constants)
				.DA DS.END-DS.START		Data SegmentSize
				.DA #32					Stack Size
				.DA #ZS.END-ZS.START	Zero Page Size
				.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
L.MSG2			.DA MSG2
L.MSG3			.DA MSG3
				.DA 0
*--------------------------------------
CS.INIT			clc
				rts
*--------------------------------------
CS.RUN			lda #1
				>SYSCALL ArgV
				bcs .10
				
				>SYSCALL atoi
				bcs .90
				
				tax
				bne .90
				
				tya
				
*				ldx #0				
				
.11				cmp PS.Table.PID,x	
				beq .12
				inx
				cpx #K.PS.MAX
				bne .11
				lda #E.NSP
*				sec
				rts
				
.12				jsr CS.RUN.DUMP
				bcs .9
				lda #0
				sec
				rts
					
.10				>PUSHBI 0
				>LDYA L.MSG0
				>SYSCALL printf
				
				>LDA.G PS.Index
				
.1				tax
				beq .2					PS0
				
				lda PS.Table.PID,x
				beq .7
				
.2				jsr CS.RUN.DUMP
				
				>SLEEP
				
.7				>INC.G PS.Index
				cmp #K.PS.MAX
				bne .1
				
.8				lda #0					tell Kernel that all done ok, but 
				sec						we do not want to stay in memory
.9				rts

.90				lda #E.SYN
				sec
				rts
*--------------------------------------
CS.RUN.DUMP		phx
				
				lda PS.Table.hPS,x
				>SYSCALL GetMemPtr
				>STYA ZPPSPtr
				
				ldy #S.PS.PPID
				lda (ZPPSPtr),y
				>PUSHA					Parent PID
				
				ldy #S.PS.hSID
				lda (ZPPSPtr),y
				>PUSHA

				jsr CS.RUN.DecodeFlags
				
				>PUSHEA.G PS.FLAGS

				plx
				lda PS.Table.Stats,x
				
				>PUSHA					CPU%

				ldy #S.PS.PID
				lda (ZPPSPtr),y
				>PUSHA
				>PUSHBI 6
				>LDYA L.MSG1
				>SYSCALL printf
				bcs .9
				
				jmp CS.RUN.PrintArgs
				
.9				rts
*--------------------------------------
CS.RUN.DecodeFlags				
				lda (ZPPSPtr)			Get flags
				
				ldy #PS.FLAGS+7
				ldx #7
				
.2				lsr
				pha
				lda #'-'
				bcc .3
				lda MSG.FLAGS,x
				
.3				sta (pData),y
				pla
				dey
				dex
				bpl .2	
				rts
*--------------------------------------
CS.RUN.PrintArgs
				ldy #S.PS.hARGV
				lda (ZPPSPtr),y
				beq .8					NO ARGV in PS0
				
				>SYSCALL GetMemPtr
				>STYA ZPArgV

.1				lda (ZPArgV)
				beq .8

				>PUSHW ZPArgV
				>PUSHBI 2
				>LDYA L.MSG2
				>SYSCALL printf
				bcs .9
				
.2				inc ZPArgV
				bne .3
				
				inc ZPArgV+1
				
.3				lda (ZPArgV)
				bne .2
				
				inc ZPArgV
				bne .1
				inc ZPArgV+1
				bra .1
				
.8				>PUSHBI 0
				>LDYA L.MSG3
				>SYSCALL printf
				
.9				rts				
*--------------------------------------
CS.DOEVENT		sec
				rts
*--------------------------------------
CS.QUIT			clc
				rts
*--------------------------------------
CS.END			
MSG0			.AZ "\e[7lID  CPU\% Flags    UID PID Command Line\r\n"
MSG1			.AZ "%03d %3d\% %s %03d %03d"
MSG2			.AZ " %s"
MSG3			.AZ "\r\n"
MSG.FLAGS		.AS "IRQDHSEN"
*--------------------------------------
				.DUMMY
				.OR 0
DS.START
PS.Index		.BS 1
PS.FLAGS		.BS 9
DS.END
				.ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/PS.S
ASM