A2osX/BIN/ARP.S.txt

PR#3
PREFIX /A2OSX.BUILD
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF BIN/ARP
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
				.INB INC/KERNEL.I
				.INB INC/LIBSTR.I
				.INB INC/LIBTCPIP.I
*--------------------------------------
ARP.TIMEOUT		.EQ 50					50*100ms = 5 sec.
*--------------------------------------
ZPPTR1			.EQ ZPBIN
*--------------------------------------
* 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.EVENT		
				.DA	CS.QUIT
L.LIBSTR		.DA LIBSTR
L.LIBTCPIP		.DA LIBTCPIP
L.SSCANF.IP		.DA SSCANF.IP
L.DST.IP		.DA DST.IP
L.DST.MAC		.DA DST.MAC
L.MSG0			.DA MSG0
L.MSG1			.DA MSG1
L.MSG2			.DA MSG2
				.DA 0
				.DA CS.END-CS.START		Code Length To Relocate
				.DA DS.END-DS.START		Data Segment to Allocate
*--------------------------------------
CS.INIT			>LIBLOADP L.LIBSTR
				sta hLIBSTR
				
				>LIBLOADP L.LIBTCPIP
				sta hLIBTCPIP
				
				ldy #S.PS.hARGS
				lda (pPsContext),y
				beq CS.INIT.CACHE
			
				pha
				>PUSHW L.DST.IP
				>PUSHW L.SSCANF.IP
				pla
				>SYSCALL SYS.GetMemPtrA
				>PUSHYA
				>LIBCALL hLIBSTR,LIBSTR.SSCANF
				bcs .9
				
				stz bCTRLC

				lda (pPsContext)
				ora #S.PS.F.EVENT		Now accept events
				sta (pPsContext)

				rts						CC,Give back control to CS.RUN
					
.9				lda #SYSMGR.ERRSYN
				sec
				rts
				
CS.INIT.CACHE	>LIBCALL hLIBTCPIP,LIBTCPIP.ARP.GETCACHE
				>STYA ZPPTR1
				>PUSHW L.MSG0
				>LIBCALL hLIBSTR,LIBSTR.PRINTF

				ldx #K.ARPCACHE.SIZE			
.1				lda (ZPPTR1)
*				beq .8
				
				ldy #S.ARPCACHE.IP+4
.2				dey
				lda (ZPPTR1),y
				>PUSHA
				cpy #S.ARPCACHE.IP
				bne .2
				
				ldy #S.ARPCACHE.MAC+6
.3				dey
				lda (ZPPTR1),y
				>PUSHA
				cpy #S.ARPCACHE.MAC
				bne .3
				
				ldy #S.ARPCACHE.RETRYCNT
				lda (ZPPTR1),y
				>PUSHA
				
				>PUSHB (ZPPTR1)
				
				>PUSHW L.MSG1
				phx
				>LIBCALL hLIBSTR,LIBSTR.PRINTF
				plx
				lda ZPPTR1
				clc
				adc #S.ARPCACHE
				sta ZPPTR1
				bcc .4
				inc ZPPTR1+1
.4				dex
				bne .1		
.8				lda #0					tell TSKMGR that all done ok, but 
				sec						we do not want to stay in memory
				rts
*--------------------------------------
CS.RUN			lda #ARP.TIMEOUT
				sta TimeOut
				
.1				lda bCTRLC
				bne .9
				>PUSHW L.DST.MAC
				>PUSHW L.DST.IP
				>LIBCALL hLIBTCPIP,LIBTCPIP.ARP.QUERY
				bcc .2					success, print & exit
				
				lda TimeOut
				beq .9
				jsr A2osX.SLEEP
				bra .1
				
.2				ldx #5
.3				>PUSHB DST.MAC,x
				dex
				bpl .3
				
				ldx #3
.4				>PUSHB DST.IP,x
				dex
				bpl .4
				
				>PUSHW L.MSG2
				>LIBCALL hLIBSTR,LIBSTR.PRINTF
				
.9				sec
				rts
*--------------------------------------
CS.EVENT		>PULLW pEvent
				lda (pEvent)
				and #S.EVT.F.TIMER		is it a TIMER event?
				beq .1					no....

				lda TimeOut
				beq .9
				
				dec TimeOut
				bra .9
				
.1				lda (pEvent)
				and #S.EVT.F.KEY		is it a KEY event?
				beq .9
				
				ldy #S.EVT.hDEV			is Event from active IN device?
				lda (pEvent),y
				ldy #S.PS.hINDEV
				cmp (pPsContext),y
				bne .9
				
				ldy #S.EVT.DATAHI		is it an O or SAPPLE key ?
				lda (pEvent),y
				bne	.9
				
				ldy #S.EVT.DATALO	
				lda (pEvent),y
				cmp #$03				Ctrl-C
				bne .9
				
				lda #$FF
				sta bCTRLC
				clc
				rts
				
.9				sec
				rts
*--------------------------------------
CS.QUIT			lda hLIBTCPIP
				>SYSCALL SYS.UnloadLibA
				lda hLIBSTR
				>SYSCALL SYS.UnloadLibA
				clc
				rts
*--------------------------------------
CS.END
LIBSTR			>PSTRING "libstr.o"
LIBTCPIP		>PSTRING "libtcpip.o"
SSCANF.IP		>PSTRING "%d.%d.%d.%d"
MSG0			>CSTRING "STS RET MAC Address       IP Address\n"
MSG1			>CSTRING "$%h %03d %h:%h:%h:%h:%h:%h %d.%d.%d.%d\n"
MSG2			>CSTRING "%d.%d.%d.%d is at %h:%h:%h:%h:%h:%h\n"
*--------------------------------------
DS.START
hLIBSTR			.BS	1
hLIBTCPIP		.BS 1
DST.IP			.BS 4
DST.MAC			.BS 6
TimeOut			.BS 1
bCTRLC			.BS 1
DS.END
*--------------------------------------
MAN
SAVE BIN/ARP.S
ASM