A2osX/SBIN/SHELL.S.CMD.txt

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NEW
PREFIX /A2OSX.BUILD
AUTO 4,1
2015-10-19 20:35:00 +00:00
.LIST OFF
*--------------------------------------
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CMD.Init >LDYAI 256
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>SYSCALL GetMem
bcs .9
>STYA ZPCMDBuf
txa
>STA.G hCmdBuf
.9 rts
*--------------------------------------
CMD.Quit >LDA.G hCmdBuf
beq .9
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>SYSCALL FreeMem
.9 rts
*--------------------------------------
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* in:
* ZPCMDBuf : CString command line
* out:
* ZPCMDBuf : Remove extra SPACE & comment
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* ZPCMDBuf : cmd\0 arg1\0 arg2\0 ... \0
*--------------------------------------
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Cmd.Parse lda #S.PS.F.HOLD+S.PS.F.DUPENV
>STA.G CMD.PSFlags
>LDYA ZPCMDBuf
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>SYSCALL ExpandStr
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bcs .9
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phx save expanded string
pha
>PUSHW ZPCMDBuf
pla
>SYSCALL Args2ArgV
plx
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>SYSCALL FreeMem
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>LDYAI 256
>SYSCALL GetMem
bcs .9
>STYA ZPArgVBuf
txa
>STA.G hArgVBuf
lda #0
sta (ZPArgVBuf)
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.1 lda (ZPCMDBuf)
beq .8
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>LDA.G CMD.hCmdLine
bne .6 we already have Cmd
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jsr CMD.CheckExternal
bcs .9
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.6 jsr CMD.AddToArgV
bcs .9
.7 jsr CMD.NextCmdBufToken
bra .1
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.8 clc
rts
.9 rts
*--------------------------------------
* ZPCMDBuf-> argv[] (formatted & not empty)
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*--------------------------------------
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Cmd.Exec.CheckExternal
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ldy #$ff
.1 iny
lda (ZPCMDBuf),y
beq .2 no / found, search...
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cmp #'/'
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bne .1
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>LDYA ZPCMDBuf found /, some path specified, no search
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>SYSCALL realpath
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bcs .9
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phy
pha
txa
>STA.G CMD.hCmdLine
pla
ply
>PUSHEA.G CMD.Stat Command line is already full path, no search
>LDYA ZPCMDBuf
>SYSCALL STAT
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bcs .9
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.2 >LDYAI 256 Get a buffer for found path
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>SYSCALL GetMem
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bcs .9
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txa
>STA.G CMD.hCmdLine
>LDYA L.ENV.PATH push ENVNAME=PATH for search
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>SYSCALL GetEnv get value for ENV=PATH
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bcs .9 No PATH, try in CD
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jsr Cmd.Exec.EXT.Search
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bcc Cmd.Exec.EXT.ARGS
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ldy #S.PS.hPREFIX not found, try in CD
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lda (pPs),y
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>SYSCALL GetMemPtr
jsr Cmd.Exec.EXT.Search
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bcc Cmd.Exec.EXT.ARGS
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pha
>LDA.G CMD.hCmdLine
>SYSCALL FreeMem
pla
sec
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.9 rts
*--------------------------------------
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* CMD.hCmdLine = /path/bin
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*--------------------------------------
Cmd.Exec.EXT.ARGS
ldx #0
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jsr Cmd.RemoveStrAtX
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>LDYA ZPCMDBuf
>SYSCALL puts
>DEBUG
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>LDA.G CMD.hCmdLine
>SYSCALL GetMemPtr
ldx #0
jsr CMD.InsertStrYAAtX
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>LDYA ZPCMDBuf
>SYSCALL puts
>DEBUG
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>LDA.G CMD.hCmdLine
>SYSCALL FreeMem
ldy #CMD.Stat+S.STAT.P.TYPE
lda (pData),y
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cmp #S.FI.T.TXT
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beq Cmd.Exec.EXT.TXT
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cmp #S.FI.T.BIN
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beq Cmd.Exec.EXT.BIN
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cmp #S.FI.T.SYS
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bne .9
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bra *
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.9 lda #K.E.SYN
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sec
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rts
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*--------------------------------------
Cmd.Exec.EXT.Search
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pha
phy
>PUSHEA.G CMD.Stat
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>LDA.G CMD.hCmdLine
>SYSCALL GetMemPtr
>PUSHYA push dest full path
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ply
pla
>PUSHYA push search list
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>LDYA ZPCMDBuf push CMD
>SYSCALL FileSearch
rts
*--------------------------------------
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* TXT : Launch "/PATH/SHELL /PATH/CMD ARGS"
*--------------------------------------
Cmd.Exec.EXT.TXT
lda #0
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>SYSCALL ArgV
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ldx #0
jsr Cmd.InsertStrYAAtX
*--------------------------------------
* BIN : Launch "/PATH/CMD ARGS"
*--------------------------------------
Cmd.Exec.EXT.BIN
>PUSHB.G CMD.PSFlags
>LDYA ZPCMDBuf
>SYSCALL Exec
rts
*--------------------------------------
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* Internal Commands
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*--------------------------------------
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CMD.Exec.INT >LDYA L.CMD.INT
>STYA ZPPtr2
ldx #0
.1 phx
>PUSHW ZPPtr2
>LDYA ZPCMDBuf
>SYSCALL StrCaseCmp
bcs .2
plx
jmp (J.CMD.INT,x) Found an internal Cmd...
.2 inc ZPPtr2
bne .3
inc ZPPtr2+1
.3 lda (ZPPtr2)
bne .2
inc ZPPtr2
bne .4
inc ZPPtr2+1
.4 plx
inx
inx
lda (ZPPtr2) Array Ending 0, must be an external Cmd....
bne .1
sec
rts
*--------------------------------------
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Cmd.INT.PWD ldy #S.PS.hPREFIX
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lda (pPs),y
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>SYSCALL GetMemPtr
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>SYSCALL puts
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rts
*--------------------------------------
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Cmd.INT.CD lda (ZPCMDBuf)
bne .1
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>LDYA L.ENV.HOME
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>SYSCALL GetEnv
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bcs Cmd.INT.PWD
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>SYSCALL ExpandStr
bcs .9
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bra .4
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.1 ldy #0
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.2 lda (ZPCMDBuf),y
tax
iny
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lda (ZPCMDBuf),y
bne .2
cpx #'/'
beq .3
lda #'/'
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sta (ZPCMDBuf),y
iny
lda #0
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sta (ZPCMDBuf),y
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.3 >LDYA ZPCMDBuf Get ARG0
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>SYSCALL RealPath
bcs .9
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.4 >STYA ZPCMDBuf
txa
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>STA.G CMD.hCmdLine
ldy #1
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lda (ZPCMDBuf),y
beq .8 we have '/'
>PUSHEA.G CMD.Stat
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>LDYA ZPPTR2
>SYSCALL STAT
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bcs .9
ldy #CMD.Stat+S.STAT.P.TYPE
lda (pData),y
cmp #$0F Directory ?
bne Cmd.Exec.ERRSYN
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.8 >LDYA ZPCMDBuf
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>SYSCALL NewStr
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bcs .9
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phx
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ldy #S.PS.hPREFIX
lda (pPs),y
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>SYSCALL FreeMem
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2016-03-13 21:53:55 +00:00
pla
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ldy #S.PS.hPREFIX
sta (pPs),y
jsr SetPWD
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clc
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.9 rts
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*--------------------------------------
Cmd.Exec.ERRSYN lda #K.E.SYN
sec
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rts
*--------------------------------------
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Cmd.INT.STARTPROC
lda (ZPCMDBuf)
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beq Cmd.Exec.ERRSYN
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>LDA.G CMD.PSFlags
and #$ff^S.PS.F.HOLD
sta (pData),y
jmp Cmd.Exec.EXT
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*--------------------------------------
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Cmd.INT.SET lda (ZPCMDBuf)
bne Cmd.INT.SETVAR
* No arg, print all ENV
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ldy #S.PS.hENV
lda (pPs),y
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>SYSCALL GetMemPtr
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>STYA ZPPTR1
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.1 lda (ZPPTR1)
beq .8 Ending 0 ?
ldy #$ff
.2 iny
lda (ZPPTR1),y
bne .2
tya
2016-08-17 06:25:58 +00:00
sec
adc ZPPTR1
sta ZPPTR2
lda #0
adc ZPPTR1+1
sta ZPPTR2+1
>PUSHW ZPPTR2 Push value
>PUSHW ZPPTR1 Push name
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jsr Cmd.INT.SET.PRINT
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bcs .9
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ldy #$ff
.3 iny
lda (ZPPTR2),y
bne .3
tya
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sec
adc ZPPTR2
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sta ZPPTR1
lda #0
adc ZPPTR2+1
sta ZPPTR1+1
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bra .1
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.8 clc
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.9 rts
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*--------------------------------------
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Cmd.INT.SETVAR cmp #'=' string is '=value' ?
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beq .99 syntax error
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ldy #0
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.1 iny
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lda (ZPCMDBuf),y
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beq .3 no =, GetEnv
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cmp #'=' ARGS contains =, PutEnv
bne .1
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2018-09-14 13:08:30 +00:00
iny
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lda (ZPCMDBuf),y
beq .2 "VAR=" go UnsetEnv
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>LDYA ZPCMDBuf String is VAR=VALUE...
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>SYSCALL PutEnv
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rts
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.2 dey String is "VAR=", Remove ending '='
lda #0
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sta (ZPCMDBuf),y
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>LDYA ZPCMDBuf String is "VAR"...
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>SYSCALL UnsetEnv
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rts
* Print requested VAR
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.3 >LDYA ZPCMDBuf
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>SYSCALL GetEnv
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bcs .8
>PUSHYA push value
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>PUSHW ZPCMDBuf push name
jsr Cmd.INT.SET.PRINT
2016-08-17 06:25:58 +00:00
.8 clc
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.9 rts
.99 jmp Cmd.Exec.ERRSYN
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*--------------------------------------
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Cmd.INT.SET.PRINT
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>PUSHBI 4
>LDYA L.MSG.PRINTENV
>SYSCALL printf
rts
*--------------------------------------
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Cmd.INT.DATE sec
.HS 90 bcc
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Cmd.INT.TIME clc
php
>LEA.G CMD.Time
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>SYSCALL Time
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>PUSHEA.G CMD.Time
plp
bcc .1
>PUSHW L.FMT.DATE
bra .2
.1 >PUSHW L.FMT.TIME
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.2 >LDYA ZPCMDBuf
>SYSCALL StrFTime
>LDYA ZPCMDBuf
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>SYSCALL puts
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rts
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*--------------------------------------
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Cmd.INT.ECHO >PUSHW ZPCMDBuf
ldy #S.PS.hStdOut
lda (pPs),y
>SYSCALL fputs
bcs .9
ldx #1
.1 phx
jsr Cmd.GetStrAtX
bcs .7
>PUSHYA
lda #C.SPACE
>SYSCALL putchar
ldy #S.PS.hStdOut
lda (pPs),y
>SYSCALL fputs
plx
inx
bcc .1
rts
.7 plx
>LDA.G bECHO.N
bmi .8
>PUSHBI 0
>LDYA L.MSG.ECHOCRLF
>SYSCALL printf
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rts
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.8 clc
.9 rts
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*--------------------------------------
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Cmd.INT.READ lda (ZPCMDBuf)
beq .9
lda #0
>STA.G bSecureRead
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>STA.G CMD.VarName.LEN
lda pData
clc
adc #CMD.VarName
sta ZPPTR1
lda pData+1
adc #0
sta ZPPTR1+1
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.1 lda (ZPPtr2)
beq .8
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cmp #' '
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bne .11
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jsr Cmd.NextCharPtr2
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bra .1
.11 cmp #'-'
bne .7
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jsr Cmd.NextCharPtr2
beq .9
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cmp #'S'
bne .2
lda #$80
>STA.G bSecureRead
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jsr Cmd.NextCharPtr2
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beq .8
cmp #' '
bne .9
bra .1
.2 cmp #'P'
bne .9
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jsr Cmd.NextCharPtr2
beq .9
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cmp #' '
bne .9
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jsr Cmd.NextCharPtr2
beq .9
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cmp #'"'
bne .9
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.3 jsr Cmd.NextCharPtr2
beq .9
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cmp #'"'
beq .1
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>SYSCALL PutChar
bcs .99
bra .3
.9 jmp Cmd.Exec.ERRSYN
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.7 >LDA.G CMD.VarName.LEN
cmp #VarLen.MAX
beq .9
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pha
inc
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sta (pData),y
ply
lda (ZPPtr2)
sta (ZPPTR1),y
iny
lda #0
sta (ZPPTR1),y
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jsr Cmd.NextCharPtr2
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beq .1
cmp #' '
beq .1
bra .7
.8 >LDA.G CMD.VarName.LEN No var name ? SYNERR
beq .9
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lda #$ff
>STA.G bReadMode
clc
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.99 rts
*--------------------------------------
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Cmd.INT.SLEEP lda (ZPCMDBuf)
beq .9
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>LDYA ZPCMDBuf
>SYSCALL AToL
bcs .9
2018-09-17 06:16:45 +00:00
>PULLL.G Sleep
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clc
rts
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.9 jmp Cmd.Exec.ERRSYN
*--------------------------------------
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Cmd.INT.PAUSE lda #$FF
>STA.G bPause
clc
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rts
*--------------------------------------
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Cmd.INT.EXIT lda #$FF
>STA.G bExit
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clc
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rts
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*--------------------------------------
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Cmd.INT.IF >STZ.G CMD.IFNOT
2018-09-17 06:16:45 +00:00
2018-10-15 06:25:40 +00:00
lda (ZPCMDBuf)
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beq .9
cmp #'!'
bne .1
lda #$ff
sta (pData),y Y = #CMD.IFNOT
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jsr Cmd.NextCharPtr2NB
2018-09-17 06:16:45 +00:00
beq .9
cmp #'('
bne .9
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jsr Cmd.NextCharPtr2NB
2018-09-17 06:16:45 +00:00
beq .9
cmp #'-' -d -e -f
bne .1
2018-10-15 06:25:40 +00:00
jsr Cmd.NextCharPtr2NB
2018-09-17 06:16:45 +00:00
beq .9
.1 >DEBUG
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>LDYA ZPCMDBuf
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>SYSCALL puts
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rts
2018-09-17 06:16:45 +00:00
.9 jmp Cmd.Exec.ERRSYN
*--------------------------------------
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CMD.NextCmdBufToken
lda (ZPCMDBuf)
inc ZPCMDBuf
bne .1
inc ZPCMDBuf+1
.1 tax
bne CMD.NextCmdBuf
rts
*--------------------------------------
CMD.AddToArgV >LDYA ZPArgVBuf
>STYA ZPPtr1
.1 lda (ZPPtr1) scan to end of argV
beq .6
.2 inc ZPPtr1
bne .3
inc ZPPtr1+1
.3 lda (ZPPtr1)
bne .2
inc ZPPtr1
bne .4
inc ZPPtr1+1
.4 lda (ZPPtr1)
bne .2
.6 ldy #$ff
.7 iny
beq .9
lda (ZPCMDBuf),y
sta (ZPPtr1),y
bne .7 including str ending \0
iny
beq .9
sta (ZPPtr1),y arg[] ending \0
clc
rts
.9 lda #K.E.BUF
sec
rts
*--------------------------------------
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Cmd.InsertStrYAAtX
2018-10-19 15:26:21 +00:00
>STYA ZPPtr3 new str to insert
2018-10-19 15:26:21 +00:00
jsr Cmd.GetStrAtX get ptr1=arg[x]
2018-10-19 06:13:04 +00:00
bcs .9
2018-10-15 06:25:40 +00:00
2018-10-19 15:26:21 +00:00
>STYA ZPPtr4 Save ptr where to insert
ldy $ff
.1 iny get new str len
lda (ZPPtr3),y
bne .1
2018-10-15 06:25:40 +00:00
tya
sec +1
adc ZPPtr1
sta ZPPtr2
2018-10-15 06:25:40 +00:00
2018-10-19 15:26:21 +00:00
lda #0
2018-10-15 06:25:40 +00:00
adc ZPPtr1+1
lda ZPPtr2+1
ldy #0
.3 lda (ZPPtr1),y
sta (ZPPtr2),y
beq .4
iny
bne .3
.4 tay
beq .5
jsr Cmd.NextStrPtr1
>STYA ZPPtr1
jsr Cmd.NextStrPtr2
>STYA ZPPtr2
bra .3
2018-10-19 15:26:21 +00:00
.5 ldy #ff copy new str in hole created
2018-09-17 06:16:45 +00:00
2018-10-19 15:26:21 +00:00
.6 iny
lda (ZPPtr3),y
2018-10-15 06:25:40 +00:00
sta (ZPPtr4),y
bne .6
2018-10-16 15:48:03 +00:00
.8 clc
2018-10-19 06:13:04 +00:00
.9 rts
2018-10-15 06:25:40 +00:00
*--------------------------------------
Cmd.RemoveStrAtX
2018-10-19 06:13:04 +00:00
jsr Cmd.GetStrAtX
bcs .9
2018-09-17 06:16:45 +00:00
2018-10-15 06:25:40 +00:00
jsr Cmd.NextStrPtr1
>STYA ZPPtr2
2018-09-17 06:16:45 +00:00
2018-10-16 15:48:03 +00:00
.3 ldy #0
2018-10-15 06:25:40 +00:00
2018-10-16 15:48:03 +00:00
.4 lda (ZPPtr2),y
2018-10-15 06:25:40 +00:00
sta (ZPPtr1),y
2018-10-16 15:48:03 +00:00
beq .5
2018-10-15 06:25:40 +00:00
iny
2018-10-16 15:48:03 +00:00
bra .4
2018-10-15 06:25:40 +00:00
2018-10-16 15:48:03 +00:00
.5 tya we moved the ending \0
2018-10-15 06:25:40 +00:00
beq .8
2018-10-16 15:48:03 +00:00
sec
adc ZPPtr2
sta ZPPtr2
bcc .6
inc ZPPtr2+1
.6 tya
sec
adc ZPPtr1
sta ZPPtr1
bcc .3
inc ZPPtr2+1
bra .3
2018-10-15 06:25:40 +00:00
.8 rts
*--------------------------------------
2018-10-16 15:48:03 +00:00
Cmd.GetStrAtX >LDYA ZPCMDBuf
.1 dex
bmi .8
>STYA ZPPtr1
jsr Cmd.NextStrPtr1
bcc .1
rts
2018-10-19 06:13:04 +00:00
.8 >LDYA ZPPtr1
clc
2018-10-16 15:48:03 +00:00
rts
*--------------------------------------
Cmd.NextStrPtr1 lda (ZPPtr1)
beq .9
2018-10-19 06:13:04 +00:00
.1 inc ZPPtr1
bne .2
inc ZPPtr1+1
.2 lda (ZPPtr1)
bne .1
2018-10-16 15:48:03 +00:00
2018-10-19 06:13:04 +00:00
inc ZPPtr1
bne .8
inc ZPPtr1+1
.8 clc
2018-10-16 15:48:03 +00:00
rts
.9 sec
2018-10-15 06:25:40 +00:00
rts
*--------------------------------------
2018-10-16 15:48:03 +00:00
Cmd.NextStrPtr2 lda (ZPPtr2)
beq .9
>LDYA ZPPtr2
2018-10-15 06:25:40 +00:00
>SYSCALL strlen
pha
tya
sec +1
adc ZPPtr2
tay
2018-09-17 06:16:45 +00:00
2018-10-15 06:25:40 +00:00
pla
adc ZPPtr2+1
2018-10-16 15:48:03 +00:00
* clc
rts
.9 sec
rts
*--------------------------------------
2018-10-15 06:25:40 +00:00
Cmd.NextCharPtr2NB
.1 jsr Cmd.NextCharPtr2
2018-09-17 06:16:45 +00:00
beq .9
cmp #C.SPACE
beq .1
.9 rts
*--------------------------------------
2018-10-15 06:25:40 +00:00
Cmd.NextCharPtr2
2018-09-17 06:16:45 +00:00
inc ZPPtr2
bne .1
inc ZPPtr2+1
.1 lda (ZPPtr2)
rts
*--------------------------------------
2015-10-19 20:35:00 +00:00
MAN
SAVE /A2OSX.SRC/SBIN/SHELL.S.CMD
LOAD /A2OSX.SRC/SBIN/SHELL.S
2015-10-19 20:35:00 +00:00
ASM