A2osX/SBIN/GETTY.S.txt

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PR#3
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PREFIX /A2OSX.SRC
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NEW
INC 1
AUTO 6
.LIST OFF
.OP 65C02
.OR $2000
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.TF /A2OSX.BOOT/SBIN/GETTY
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*--------------------------------------
.INB INC/MACROS.I
.INB INC/A2OSX.I
*--------------------------------------
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ZPTmp1 .EQ ZPBIN
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*--------------------------------------
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* File Header (16 Bytes)
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*--------------------------------------
CS.START cld
jmp (.1,x)
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.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
*--------------------------------------
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.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
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.DA 0 End Of Reloc Table
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*--------------------------------------
CS.INIT ldy #S.PS.hARGS
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lda (pPs),y
bne .1
>LDYA L.MSG.USAGE
>SYSCALL SYS.PSTROutYA
lda #0
sec
rts
.1 >PUSHA
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>PUSHBI $20 Push SEP=' '
>PUSHBI 1 Push 1 for getting INDEV
>SYSCALL SYS.PStrGetTkn
bcs .99
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sta hDEVNAME
>SYSCALL SYS.GetDevByNameA
bcs .98
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>STYA pDev
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txa
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ldy #S.PS.hINDEV
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sta (pPs),y
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ldy #S.PS.hOUTDEV
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sta (pPs),y
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ldy #S.PS.hERRDEV
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sta (pPs),y
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lda hDEVNAME
>SYSCALL SYS.FreeMemA
ldy #S.PS.hARGS
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lda (pPs),y
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>PUSHA
>PUSHBI $20 Push SEP=' '
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>PUSHBI 2 Push 3 for getting BIN
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>SYSCALL SYS.PStrGetTkn
bcs .99
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ldy #hBinName
sta (pData),y
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ldx #DEVMGR.OPEN
jsr pDevJmp if error CS, else...
rts ...Tell TskMgr To stay in memory
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.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 ?
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bcs .8 no..loop...
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.1 >LDYA L.MSG.GREETINGS
>SYSCALL SYS.PSTROutYA
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bcs .8 unable to send greetings...loop..
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ldy #S.PS.hOUTDEV
lda (pPs),y
>SYSCALL SYS.HexOutA
bcs .8
lda #13
>SYSCALL SYS.COutA
bcs .8
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ldy #hBinName
lda (pData),y
ldy #0
>SYSCALL SYS.ExecProcessNewEnvYA
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.9 rts
.8 clc
rts
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*--------------------------------------
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CS.DOEVENT sec
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rts
*--------------------------------------
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CS.QUIT ldy #hBinName
lda (pData),y
>SYSCALL SYS.FreeMemA
ldx #DEVMGR.CLOSE
jsr pDevJmp
clc
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rts
*--------------------------------------
CS.END
MSG.USAGE >PSTRING "GETTY <DEV> <PROGRAM>"
MSG.GREETINGS >PSTRING "A2osX-GeTTY on Dev="
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hDEVNAME .BS 1
*--------------------------------------
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.DUMMY
.OR 0
DS.START
hBinName .BS 1
DS.END .ED
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MAN
SAVE SBIN/GETTY.S
ASM