A2osX/BIN/PS.S.txt

NEW
PREFIX
AUTO 4,1
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF BIN/PS
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
				.INB INC/KERNEL.I
*--------------------------------------
ZPPtr			.EQ ZPBIN
*--------------------------------------
*			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		CS
				.DA DS.END-DS.START		DS
				.DA #64					SS
				.DA #2					ZP
				.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------				
.1				.DA CS.INIT
				.DA CS.RUN
				.DA CS.DOEVENT		
				.DA	CS.QUIT
L.MSG0			.DA MSG0
L.MSGK			.DA MSGK
L.MSG1			.DA MSG1
				.DA 0
*--------------------------------------
CS.INIT			clc
				rts
*--------------------------------------
CS.RUN			>LDYA pData
				>SYSCALL GetPSStat

				>LDYA L.MSG0
				>SYSCALL puts

				>PUSHB.G PS.KCPU
				>PUSHBI 1
				>LDYA L.MSGK
				>SYSCALL printf
				
				lda #1
				>STA.G PS.Index
				
.1				>INC.G PS.Index
				tay				
				lda (pData),y			PID
				
				>SYSCALL GetMemPtr
				>STYA ZPPtr
				
				ldy #S.PS.hARGV
				lda (ZPPtr),y
				>SYSCALL GetMemPtr
				>PUSHYA
				
				ldy #S.PS.PPID
				lda (ZPPtr),y
				>PUSHA					Parent PID
				
				ldy #S.PS.UID
				lda (ZPPtr),y
				>PUSHA

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

				>INC.G PS.Index
				tay				
				lda (pData),y
				
				>PUSHA					CPU%

				ldy #S.PS.PID
				lda (ZPPtr),y
				>PUSHA
				>PUSHBI 8
				>LDYA L.MSG1
				>SYSCALL printf
				
.7				>DEC.G PS.COUNT
				bne .1
				
.8				
*				lda #0					tell Kernel that all done ok, but 
				sec						we do not want to stay in memory
				rts	
*--------------------------------------
CS.RUN.DecodeFlags				
				lda (ZPPtr)				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.DOEVENT		sec
				rts
*--------------------------------------
CS.QUIT			clc
				rts
*--------------------------------------
CS.END			
MSG0			.AZ "ID  CPU% Flags    UID PID Command Line"
MSGK			.AZ "000 %03d\% -------- 000 --- *KERNEL*\r\n"
MSG1			.AZ "%03d %03d\% %s %03d %03d %s\r\n"
MSG.FLAGS		.AS "IRQDHSed"
*--------------------------------------
				.DUMMY
				.OR 0
DS.START
PS.COUNT		.BS 1
PS.KCPU			.BS 1
PS.DATA			.BS K.PS.MAX*2
PS.Index		.BS 1
PS.FLAGS		.BS 9
DS.END
				.ED
*--------------------------------------
MAN
SAVE USR/SRC/BIN/PS.S
ASM