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A2osX/SBIN/SHELL.S.CMD.txt
Rémy GIBERT 2f284f68ed Kernel 0.9.2
2018-11-09 16:59:04 +01:00

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NEW
PREFIX /A2OSX.BUILD
AUTO 4,1
.LIST OFF
*--------------------------------------
CMD.Init >LDYAI 256
>SYSCALL GetMem
bcs .9
>STYA ZPCMDBuf
txa
>STA.G CMD.hCmdBuf
>LDYAI 256
>SYSCALL GetMem
bcs .9
>STYA ZPArgVBuf
txa
>STA.G CMD.hArgVBuf
.9 rts
*--------------------------------------
CMD.Quit >LDA.G CMD.hArgVBuf
beq .1
>SYSCALL FreeMem
.1 >LDA.G CMD.hCmdBuf
beq .9
>SYSCALL FreeMem
.9 rts
*--------------------------------------
* in:
* ZPCMDBuf : CString command line
* out:
* ZPArgVBuf :
* /path/excmd\0 arg1\0 arg2\0 ... \0
* - or -
* intcmd\0 arg1\0 arg2\0 ... \0
*--------------------------------------
Cmd.Parse >STZ.G CMD.IntCmd
lda #S.PS.F.HOLD+S.PS.F.DUPENV
>STA.G CMD.PSFlags
>PUSHW ZPCMDBuf
>LDYA ZPCMDBuf
>SYSCALL Args2ArgV
lda #0
sta (ZPArgVBuf)
lda (ZPCMDBuf)
beq .8
.1 cmp #'#' comment ?
beq .8 yes, ignore remaining
>LDA.G CMD.IntCmd
bne .6 we already have Cmd, go check args
ldy #2
lda (ZPCMDBuf),y only one char ?
bne .2
dey
lda (ZPCMDBuf),y
cmp #'.' leading dot ?
bne .2
>lda.G CMD.PSFlags yes, child process will run in same ENV
and #S.PS.F.DUPENV
sta (pData),y
bra .7 and skip this token
.2 jsr CMD.CheckCmd
bcc .7 success, skip token, already added by CheckCmd
rts
.6 jsr CMD.CheckIO
bcc .7
tay
bne .9
jsr CMD.AddCmdBufTokenToArgV
bcs .9
.7 jsr CMD.NextCmdBufToken
lda (ZPCMDBuf)
bne .1
.8 clc
.9 rts
*--------------------------------------
* ZPCMDBuf-> argv[] (formatted & not empty)
*--------------------------------------
Cmd.CheckCmd ldy #$ff
.1 iny
lda (ZPCMDBuf),y
beq .2
cmp #'/'
bne .1
>LDYA ZPCMDBuf found /, some path specified, External, no search
>SYSCALL realpath
bcs .9
txa
>STA.G CMD.hCmdLine
bra .6 go check type...
.2 >PUSHW ZPCMDBuf
>LDYA L.CMD.INT
jsr CMD.Search no / found, search internal...
bcs .4 not internal, search PATH
phx
plx
bne .3
>LDA.G CMD.PSFlags if STARTPROC, skip keyword...
and #$ff^S.PS.F.HOLD
sta (pData),y ...and toggle S.PS.F.HOLD flag
clc
.9 rts
.3 jsr CMD.AddYAToArgV X unmodified
bcs .9
txa
>STA.G CMD.IntCmd
clc
rts
.4 >LDYAI 256 Get a buffer for found path
>SYSCALL GetMem
bcs .9
txa
>STA.G CMD.hCmdLine
>LDYA L.ENV.PATH push ENVNAME=PATH for search
>SYSCALL GetEnv get value for ENV=PATH
bcs .5 no PATH, try workdir
jsr Cmd.SearchExt
bcc .6 found in PATH, go check Type
.5 ldy #S.PS.hPREFIX not found, try in CD
lda (pPs),y
>SYSCALL GetMemPtr
jsr Cmd.SearchExt
bcs Cmd.CheckCmd.90
.6 >PUSHEA.G CMD.Stat
>LDA.G CMD.hCmdLine
>SYSCALL GetMemPtr
>SYSCALL STAT
bcs Cmd.CheckCmd.90
lda #$ff
>STA.G CMD.IntCmd
ldy #CMD.Stat+S.STAT.P.TYPE
lda (pData),y
cmp #S.FI.T.TXT
beq Cmd.CheckCmd.TXT
cmp #S.FI.T.BIN
beq Cmd.CheckCmd.BIN
cmp #S.FI.T.SYS
beq Cmd.CheckCmd.SYS
lda #E.SYN
sec
Cmd.CheckCmd.90 php
pha
>LDA.G CMD.hCmdLine
>SYSCALL FreeMem
pla
plp
Cmd.CheckCmd.RTS
rts
*--------------------------------------
* TXT : add "/PATH/SHELL" "/PATH/CMD"
*--------------------------------------
Cmd.CheckCmd.TXT
lda #0
>SYSCALL ArgV
jsr CMD.AddYAToArgV
bcs Cmd.CheckCmd.90
*--------------------------------------
* BIN : add "/PATH/CMD"
*--------------------------------------
Cmd.CheckCmd.BIN
>LDA.G CMD.hCmdLine
>SYSCALL GetMemPtr
jsr CMD.AddYAToArgV
bra Cmd.CheckCmd.90
*--------------------------------------
Cmd.CheckCmd.SYS
*--------------------------------------
bra *
*--------------------------------------
Cmd.SearchExt pha
phy
>PUSHEA.G CMD.Stat
>LDA.G CMD.hCmdLine
>SYSCALL GetMemPtr
>PUSHYA push dest full path
ply
pla
>PUSHYA push search list
>LDYA ZPCMDBuf push CMD
>SYSCALL FileSearch
rts
*--------------------------------------
CMD.CheckIO >PUSHW ZPCMDBuf
>LDYA L.CMD.IO
jsr CMD.Search
bcs .9 not a IO token...should be an arg....
phx
jsr CMD.NextCmdBufToken skip this IO token
plx
jmp (J.CMD.IO,x)
.9 lda #0
rts
*--------------------------------------
CMD.IO.AMP >LDA.G CMD.PSFlags
and #$ff^S.PS.F.HOLD
sta (pData),y
clc
rts
CMD.IO.PIPE
clc
rts
CMD.IO.IN lda #O.RDONLY+O.TEXT
jsr CMD.IO.Open
bcs .9
jsr IO.Set.In
jsr CMD.NextCmdBufToken skip arg
clc
.9 rts
CMD.IO.OUTA
CMD.IO.1OUTA lda #O.WRONLY+O.APPEND+O.CREATE+O.TEXT
bra CMD.IO.OUT.1
CMD.IO.OUT
CMD.IO.1OUT lda #O.WRONLY+O.TRUNC+O.CREATE+O.TEXT
CMD.IO.OUT.1 jsr CMD.IO.Open
bcs .9
jsr IO.Set.Out
jsr CMD.NextCmdBufToken skip arg
clc
.9 rts
CMD.IO.2OUTA lda #O.WRONLY+O.APPEND+O.CREATE+O.TEXT
bra CMD.IO.2OUT.1
CMD.IO.2OUT lda #O.WRONLY+O.TRUNC+O.CREATE+O.TEXT
CMD.IO.2OUT.1 jsr CMD.IO.Open
bcs .9
jsr IO.Set.Err
jsr CMD.NextCmdBufToken skip arg
clc
.9 rts
*--------------------------------------
CMD.IO.Open pha
lda (ZPCMDBuf)
beq .9 no arg left....
>PUSHWI 0 Aux type
>PUSHBI S.FI.T.TXT ftype
pla
>PUSHA flags
>LDYA ZPCMDBuf
>SYSCALL fopen
rts
.9 pla
lda #E.SYN
sec
rts
*--------------------------------------
* Input : ZPArgVBuf
*--------------------------------------
Cmd.Exec >LDA.G CMD.IntCmd
bmi .1
tax
jmp (J.CMD.INT,x)
.1 >PUSHB.G CMD.PSFlags
>LDYA ZPArgVBuf
>SYSCALL execv
rts
*--------------------------------------
* STARTPROC : intcmd = 0
*--------------------------------------
Cmd.INT.STARTPROC
clc
rts
*--------------------------------------
Cmd.INT.PWD ldy #S.PS.hPREFIX
lda (pPs),y
>SYSCALL GetMemPtr
>SYSCALL puts
Cmd.INT.PWD.RTS rts
*--------------------------------------
Cmd.INT.CD ldx #1
jsr Cmd.GetArgX
bcc .1
>LDYA L.ENV.HOME
>SYSCALL GetEnv
bcs Cmd.INT.PWD
>SYSCALL ExpandStr
bcs Cmd.INT.PWD.RTS
bra .4
.1 >SYSCALL RealPath
bcs .9
.4 >STYA ZPPtr1
txa
>STA.G CMD.hCmdLine
ldy #1
lda (ZPPtr1),y
beq .8 we have '/'
>PUSHEA.G CMD.Stat
>LDYA ZPPtr1
>SYSCALL STAT
bcs .90
>LDA.G CMD.Stat+S.STAT.P.TYPE
cmp #S.FI.T.DIR
bne Cmd.Exec.ERRSYN
ldy #0
.5 iny
lda (ZPPtr1),y
bne .5
dey
lda #'/'
cmp (ZPPtr1),y
beq .8
iny
sta (ZPPtr1),y
iny
lda #0
sta (ZPPtr1),y
.8 >LDYA ZPPtr1
>SYSCALL NewStr
bcs .90
phx
ldy #S.PS.hPREFIX
lda (pPs),y
>SYSCALL FreeMem
pla
ldy #S.PS.hPREFIX
sta (pPs),y
jsr SetPWD.I
.90 php
pha
>LDA.G CMD.hCmdLine
>SYSCALL FreeMem
pla
plp
.9 rts
*--------------------------------------
Cmd.Exec.ERRSYN lda #E.SYN
sec
rts
*--------------------------------------
Cmd.INT.SET ldx #1
jsr Cmd.GetArgX
bcc Cmd.INT.SETVAR
* No arg, print all ENV
ldy #S.PS.hENV
lda (pPs),y
>SYSCALL GetMemPtr
>STYA ZPPTR1
.1 lda (ZPPTR1)
beq .8 Ending 0 ?
ldy #$ff
.2 iny
lda (ZPPTR1),y
bne .2
tya
sec
adc ZPPTR1
sta ZPPTR2
lda #0
adc ZPPTR1+1
sta ZPPTR2+1
>PUSHW ZPPTR2 Push value
>PUSHW ZPPTR1 Push name
jsr Cmd.INT.SET.PRINT
bcs .9
ldy #$ff
.3 iny
lda (ZPPTR2),y
bne .3
tya
sec
adc ZPPTR2
sta ZPPTR1
lda #0
adc ZPPTR2+1
sta ZPPTR1+1
bra .1
.8 clc
.9 rts
*--------------------------------------
Cmd.INT.SETVAR >STYA ZPPTR1
lda (ZPPTR1)
cmp #'=' string is '=value' ?
beq .99 syntax error
ldy #0
.1 iny
lda (ZPPTR1),y
beq .3 no =, GetEnv
cmp #'=' ARGS contains =, PutEnv
bne .1
iny
lda (ZPPTR1),y
beq .2 "VAR=" go UnsetEnv
>LDYA ZPPTR1 String is VAR=VALUE...
>SYSCALL PutEnv
rts
.2 dey String is "VAR=", Remove ending '='
lda #0
sta (ZPPTR1),y
>LDYA ZPPTR1 String is "VAR"...
>SYSCALL UnsetEnv
rts
* Print requested VAR
.3 >LDYA ZPPTR1
>SYSCALL GetEnv
bcs .8
>PUSHYA push value
>PUSHW ZPPTR1 push name
jsr Cmd.INT.SET.PRINT
.8 clc
.9 rts
.99 jmp Cmd.Exec.ERRSYN
*--------------------------------------
Cmd.INT.SET.PRINT
>PUSHBI 4
>LDYA L.MSG.PRINTENV
>SYSCALL printf
rts
*--------------------------------------
Cmd.INT.DATE sec
.HS 90 bcc
Cmd.INT.TIME clc
php
>LEA.G CMD.Time
>SYSCALL Time
>PUSHEA.G CMD.Time
plp
bcc .1
>PUSHW L.FMT.DATE
bra .2
.1 >PUSHW L.FMT.TIME
.2 >LDYA ZPCMDBuf
>SYSCALL StrFTime
>LDYA ZPCMDBuf
>SYSCALL puts
rts
*--------------------------------------
Cmd.INT.ECHO ldx #1
jsr Cmd.GetArgX
bcs .71
>PUSHYA
ldy #S.PS.hStdOut
lda (pPs),y
>SYSCALL fputs
bcs .9
ldx #2
.1 phx
jsr Cmd.GetArgX
bcs .7
>PUSHYA
lda #C.SPACE
>SYSCALL putchar
ldy #S.PS.hStdOut
lda (pPs),y
>SYSCALL fputs
plx
inx
bcc .1
clc
rts
.7 plx
.71 >LDA.G bECHO.N
bmi .8
>PUSHBI 0
>LDYA L.MSG.ECHOCRLF
>SYSCALL printf
rts
.8 clc
.9 rts
*--------------------------------------
Cmd.INT.ELSE clc
rts
*--------------------------------------
Cmd.INT.FI clc
rts
*--------------------------------------
Cmd.INT.READ ldx #1
jsr Cmd.GetArgX
beq .9
lda #0
>STA.G bSecureRead
>STA.G CMD.VarName.LEN
lda pData
clc
adc #CMD.VarName
sta ZPPTR1
lda pData+1
adc #0
sta ZPPTR1+1
.1 lda (ZPPtr2)
beq .8
cmp #' '
bne .11
jsr Cmd.NextCharPtr2
bra .1
.11 cmp #'-'
bne .7
jsr Cmd.NextCharPtr2
beq .9
cmp #'S'
bne .2
lda #$80
>STA.G bSecureRead
jsr Cmd.NextCharPtr2
beq .8
cmp #' '
bne .9
bra .1
.2 cmp #'P'
bne .9
jsr Cmd.NextCharPtr2
beq .9
cmp #' '
bne .9
jsr Cmd.NextCharPtr2
beq .9
cmp #'"'
bne .9
.3 jsr Cmd.NextCharPtr2
beq .9
cmp #'"'
beq .1
>SYSCALL PutChar
bcs .99
bra .3
.9 jmp Cmd.Exec.ERRSYN
.7 >LDA.G CMD.VarName.LEN
cmp #VarLen.MAX
beq .9
pha
inc
sta (pData),y
ply
lda (ZPPtr2)
sta (ZPPTR1),y
iny
lda #0
sta (ZPPTR1),y
jsr Cmd.NextCharPtr2
beq .1
cmp #' '
beq .1
bra .7
.8 >LDA.G CMD.VarName.LEN No var name ? SYNERR
beq .9
lda #$ff
>STA.G bReadMode
clc
.99 rts
*--------------------------------------
Cmd.INT.SLEEP ldx #1
jsr Cmd.GetArgX
bcs .9
>SYSCALL AToL
bcs .9
>PULLL.G Sleep
clc
rts
.9 jmp Cmd.Exec.ERRSYN
*--------------------------------------
Cmd.INT.PAUSE lda #$FF
>STA.G bPause
clc
rts
*--------------------------------------
Cmd.INT.EXIT lda #$FF
>STA.G bExit
clc
rts
*--------------------------------------
Cmd.INT.IF ldx #1
jsr Cmd.GetArgX
beq .9
>PUSHYA
>LDYA L.CMD.IF.TOKEN1
jsr CMD.Search
bcs .9
cpx #4 [ or ![
bcs .9
dex
dex 1 or $ff
txa
>STA.G CMD.IF.NOT
ldx #2
jsr Cmd.GetArgX
beq .9
>PUSHYA
>LDYA L.CMD.IF.TOKEN2 -d -e -f ?
jsr CMD.Search
bcs .1
jmp (J.CMD.IF.TOKEN2,x)
.1
clc
rts
.9 jmp Cmd.Exec.ERRSYN
*--------------------------------------
CMD.IF.D
CMD.IF.E
CMD.IF.F
clc
rts
*--------------------------------------
CMD.NextCmdBufToken
lda (ZPCMDBuf)
inc ZPCMDBuf
bne .1
inc ZPCMDBuf+1
.1 tax
bne CMD.NextCmdBufToken
rts
*--------------------------------------
CMD.AddCmdBufTokenToArgV
>LDYA ZPCmdBuf
CMD.AddYAToArgV >STYA ZPPtr1
>LDYA ZPArgVBuf
>STYA ZPPtr2
.1 lda (ZPPtr2) scan to end of argV
beq .6
.2 inc ZPPtr2
bne .3
inc ZPPtr2+1
.3 lda (ZPPtr2)
bne .2
inc ZPPtr2
bne .4
inc ZPPtr2+1
.4 lda (ZPPtr2)
bne .2
.6 ldy #$ff
.7 iny
* beq .9
lda (ZPPtr1),y
sta (ZPPtr2),y
bne .7 including str ending \0
iny
* beq .9
sta (ZPPtr2),y arg[] ending \0
clc
rts
.9 lda #E.BUF
sec
rts
*--------------------------------------
CMD.Search >STYA ZPPtr2
>PULLW ZPPtr1
ldx #0
.1 phx
>PUSHW ZPPtr2
>LDYA ZPPtr1
>SYSCALL StrCaseCmp
bcs .2
plx
>LDYA ZPPtr2
clc
rts
.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
*--------------------------------------
Cmd.GetArgX >LDYA ZPArgVBuf
dex
bmi .8
>STYA ZPPtr1
.1 jsr Cmd.NextArgPtr1
bcs .9
dex
bpl .1
>LDYA ZPPtr1
.8 clc
.9 rts
*--------------------------------------
Cmd.NextArgPtr1 lda (ZPPtr1)
beq .9
.1 inc ZPPtr1
bne .2
inc ZPPtr1+1
.2 lda (ZPPtr1)
bne .1
inc ZPPtr1
bne .3
inc ZPPtr1+1
.3 lda (ZPPtr1)
beq .9
.8 clc
rts
.9 sec
rts
*--------------------------------------
Cmd.NextCharPtr2NB
.1 jsr Cmd.NextCharPtr2
beq .9
cmp #C.SPACE
beq .1
.9 rts
*--------------------------------------
Cmd.NextCharPtr2
inc ZPPtr2
bne .1
inc ZPPtr2+1
.1 lda (ZPPtr2)
rts
*--------------------------------------
MAN
SAVE /A2OSX.SRC/SBIN/SHELL.S.CMD
LOAD /A2OSX.SRC/SBIN/SHELL.S
ASM
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