A2osX/SBIN/GETTY.S.txt

PR#3
PREFIX /A2OSX.BUILD
NEW
INC 1
AUTO 6
				.LIST OFF
				.OP	65C02
				.OR	$2000
				.TF SBIN/GETTY
*--------------------------------------
				.INB INC/MACROS.I
				.INB INC/A2OSX.I
*--------------------------------------
* 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.DOEVENT
				.DA	CS.QUIT
L.MSG.GREETINGS .DA MSG.GREETINGS				
L.MSG.LOGIN		.DA MSG.LOGIN
L.MSG.PASSWORD	.DA MSG.PASSWORD
				.DA 0
				.DA CS.END-CS.START		Code Length To Relocate
				.DA DS.END-DS.START		Data Segment to Allocate
*--------------------------------------
CS.INIT			ldy #S.PS.hARGS
				lda (pPsContext),y
				>PUSHA
				>PUSHBI $20				Push SEP=' '
				>PUSHBI 1				Push 1 for getting INDEV
				>SYSCALL SYS.PStrGetTkn
				bcs .9
				
				sta hDEVNAME
				>SYSCALL SYS.GetDevByNameA
				bcs .8

				sta hINDEV
				ldy #S.PS.hINDEV
				sta (pPsContext),y
				lda hDEVNAME
				>SYSCALL SYS.FreeMemA
				
				ldy #S.PS.hARGS
				lda (pPsContext),y
				>PUSHA
				>PUSHBI $20				Push SEP=' '
				>PUSHBI 2				Push 1 for getting OUTDEV
				>SYSCALL SYS.PStrGetTkn
.9				bcs .99
				
				sta hDEVNAME
				>SYSCALL SYS.GetDevByNameA
.8				bcs .98

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

				sta BINID
				ldy #S.PS.ID
				lda (pPsContext),y
*				ldy #S.DEV.hOWNERPS
*				sta (DEVMGR.DEVPTR),y

				>LDYA L.MSG.GREETINGS
				jsr PRINT.MSG

				lda hOUTDEV
				jsr PRBYTE
				
				stz STATUS
				lda (pPsContext)
				ora #S.PS.F.EVENT		Now accept events
				sta (pPsContext)
				clc						Tell TskMgr To stay in memory
				rts

.98				pha
				lda hDEVNAME
				>SYSCALL SYS.FreeMemA
				pla
				sec	
.99				rts
*--------------------------------------
CS.RUN			lda STATUS
				bne CS.RUN.1
				jsr CROUT
				jsr CROUT
				>LDYA L.MSG.LOGIN
				jsr PRINT.MSG
				jsr INPUT.INIT
				inc STATUS
				clc
				rts
CS.RUN.1		cmp #1
				bne CS.RUN.2
				ldx INSTATUS
				beq .9
				ldx INBUFFER
				beq .2
.1				lda INBUFFER,x
				sta USERNAME,x
				dex
				bpl .1
				inc STATUS
				clc
				rts
.2				dec STATUS
.9				clc
				rts
CS.RUN.2		cmp #2
				bne CS.RUN.3
				jsr CROUT
				>LDYA L.MSG.PASSWORD
				jsr PRINT.MSG
				jsr INPUT.INIT
				inc STATUS
				clc
				rts
CS.RUN.3		cmp #3
				bne CS.RUN.4
				ldx INSTATUS
				beq .9
				ldx INBUFFER
				beq .2
.1				lda INBUFFER,x
				sta PASSWORD,x
				dex
				bpl .1
.2				inc STATUS
.9				clc
				rts
CS.RUN.4		cmp #4
				bne CS.RUN.5
				jsr CROUT
				inc STATUS				TODO:CHECK USER/PASS
				clc
				rts
CS.RUN.5		cmp #5
				bne CS.RUN.6
				lda BINID
				ldx pPsContext
				stx pPsContext.SAVE
				ldx pPsContext+1
				stx pPsContext.SAVE+1
				>SYSCALL SYS.CreateProcessA
				ldx pPsContext.SAVE
				stx pPsContext
				ldx pPsContext.SAVE+1
				stx pPsContext+1
				bcs .9
				sta CHILDPSID
				inc STATUS
				clc
				rts
.9				jsr PRBYTE
				stz STATUS
				clc
				rts	
CS.RUN.6		dec CHILDPSIDPOLL
				bne .8 
				lda CHILDPSID			Check for CHILDTSKID
				>SYSCALL SYS.GetPSByIDA
				bcc .8					Still Alive ?
				stz STATUS
				stz CHILDPSID
.8				clc
				rts
*--------------------------------------
CS.DOEVENT		>PULLW pEvent
				lda CHILDPSID
				bne .99
				ldy #S.EVT.hDEV
				lda (pEvent),y
				cmp hINDEV
				bne .99
				lda (pEvent)
				and #S.EVT.F.KEY
				beq .99
				ldy #S.EVT.DATAHI
				lda (pEvent),y
				bne .99
				ldy #S.EVT.DATALO
				lda (pEvent),y
				jsr INPUT.CHARIN	
				>SYSCALL SYS.DestroyEvent
				clc
				rts
.99				sec
				rts		
*--------------------------------------
CS.QUIT			clc
				rts
*--------------------------------------
*				PRIVATE
*--------------------------------------
PRINT.MSG		>STYA ZPQuickPtr1
				ldy #0
.1				lda (ZPQuickPtr1),y
				beq .2
				ora #$80
				jsr COUT
				iny
				bne .1
.2				rts				
*--------------------------------------
INPUT.INIT		stz INSTATUS
				stz INBUFFER
				rts
*--------------------------------------
INPUT.CHARIN	ldx INSTATUS
				bne .9
				cmp #$20
				bcc .1
				ldx INBUFFER
				inx
				cpx #16
				beq .9
				sta INBUFFER,x
				stx INBUFFER
				ora #$80
				jmp COUT
.1				cmp #$0D
				bne .9
				inc INSTATUS
.9				rts				
*--------------------------------------
PRBYTE			pha
				lsr
				lsr
				lsr
				lsr
				ora #$B0
				cmp #$BA
				bcc .1
				adc #6
.1				jsr COUT
				pla
				and #$0F
				ora #$B0
				cmp #$BA
				bcc COUT
				adc #6
				bra COUT
*--------------------------------------
CROUT			lda #13	
*--------------------------------------
COUT			>PUSHA
				phx
				phy
				ldy #S.PS.hOUTDEV
				lda	(pPsContext),y
				>SYSCALL SYS.DevOutA
				ply
				plx
				rts
*--------------------------------------
MSG.GREETINGS	>CSTRING "A2osX-GeTTY on Dev="
MSG.LOGIN		>CSTRING "login:"
MSG.PASSWORD	>CSTRING "password:"
*--------------------------------------
CS.END
DS.START
*--------------------------------------
hDEVNAME		.BS 1
hINDEV			.BS 1
hOUTDEV			.BS 1
BINID			.BS 1
STATUS			.BS 1
CHILDPSID		.BS 1
CHILDPSIDPOLL	.BS 1
INSTATUS		.BS 1
INBUFFER		.BS 16
USERNAME		.BS 16
PASSWORD		.BS 16
pPsContext.SAVE	.BS 2
*--------------------------------------
DS.END
MAN
SAVE SBIN/GETTY.S
ASM