A2osX/BIN/PS.S.txt

PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF /A2OSX.BOOT/BIN/PS
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
				.INB INC/LIBSTR.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.LIBSTR		.DA LIBSTR
L.MSG0			.DA MSG0
L.MSG1			.DA MSG1
L.MSG2			.DA MSG2
				.DA 0
*--------------------------------------
CS.INIT			>LDYA L.LIBSTR
				>SYSCALL SYS.LoadLibYA
				sta hLibStr
				clc
				rts
*--------------------------------------
CS.RUN			>LDYAI TSKMGR.TABLE+S.PS.SIZE
				>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
				bne .1
				
				lda #0					tell TSKMGR that all done ok, but 
				sec						we do not want to stay in memory
				rts
*--------------------------------------
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 "ID  Flags    PID CMD                               ARGS\n"
MSG1			>CSTRING "%03d %b %03d %30S %28S\n"
MSG2			>PSTRING "(none)"
MAN
SAVE BIN/PS.S
ASM