A2osX/SBIN/GETTY.S.txt

PR#3
PREFIX /A2OSX.SRC
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF /A2OSX.BOOT/SBIN/GETTY
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
*--------------------------------------
ZPTmp1			.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
				.DA DS.END-DS.START		Data Segment to Allocate
				.DA 0
				.DA 0
*--------------------------------------
* Relocation Table
*--------------------------------------
.1				.DA CS.INIT
				.DA CS.RUN
				.DA CS.DOEVENT
				.DA	CS.QUIT
L.MSG.USAGE		.DA MSG.USAGE
L.MSG.GREETINGS .DA MSG.GREETINGS
				.DA 0					End Of Reloc Table
*--------------------------------------
CS.INIT			ldy #S.PS.hARGS
				lda (pPs),y
				bne .1
				
				>LDYA L.MSG.USAGE
				>SYSCALL SYS.PSTROutYA
				lda #0
				sec
				rts
				
.1				>PUSHA
				>PUSHBI $20				Push SEP=' '
				>PUSHBI 1				Push 1 for getting INDEV
				>SYSCALL SYS.PStrGetTkn
				bcs .99
				
				sta hDEVNAME
				>SYSCALL SYS.GetDevByNameA
				bcs .98

				>STYA pDev
				txa
				ldy #S.PS.hINDEV
				sta (pPs),y
				ldy #S.PS.hOUTDEV
				sta (pPs),y
				ldy #S.PS.hERRDEV
				sta (pPs),y
				
				lda hDEVNAME
				>SYSCALL SYS.FreeMemA
				
				ldy #S.PS.hARGS
				lda (pPs),y
				>PUSHA
				>PUSHBI $20				Push SEP=' '
				>PUSHBI 2				Push 3 for getting BIN
				>SYSCALL SYS.PStrGetTkn
				bcs .99

				ldy #hBinName
				sta (pData),y

				ldx #DEVMGR.OPEN
				jsr pDevJmp			if error CS, else...
				rts					...Tell TskMgr To stay in memory

.98				pha
				lda hDEVNAME
				>SYSCALL SYS.FreeMemA
				pla
				sec	
.99				rts
*--------------------------------------
CS.RUN			lda #13					try send a CR...
				>SYSCALL SYS.COutA		Device Is Ready ?

				bcs .8					no..loop...
			
.1				>LDYA L.MSG.GREETINGS
				>SYSCALL SYS.PSTROutYA
				
				bcs .8					unable to send greetings...loop..
				
				ldy #S.PS.hOUTDEV
				lda	(pPs),y
				>SYSCALL SYS.HexOutA
				bcs .8
				
				lda #13	
				>SYSCALL SYS.COutA
				bcs .8
				
				ldy #hBinName
				lda (pData),y
				ldy #0
				>SYSCALL SYS.ExecProcessNewEnvYA
.9				rts

.8				clc
				rts
*--------------------------------------
CS.DOEVENT		sec
				rts		
*--------------------------------------
CS.QUIT			ldy #hBinName
				lda (pData),y
				>SYSCALL SYS.FreeMemA
				
				ldx #DEVMGR.CLOSE
				jsr pDevJmp
				
				clc
				rts
*--------------------------------------
CS.END
MSG.USAGE		>PSTRING "GETTY <DEV> <PROGRAM>"
MSG.GREETINGS	>PSTRING "A2osX-GeTTY on Dev="
hDEVNAME		.BS 1
*--------------------------------------
				.DUMMY
				.OR 0
DS.START				
hBinName		.BS 1
DS.END			.ED
MAN
SAVE SBIN/GETTY.S
ASM