A2osX/BIN/SH.S.CORE.txt

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2019-01-28 16:33:30 +00:00
NEW
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AUTO 3,1
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.LIST OFF
*--------------------------------------
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CORE.Init >LDYAI 256
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>SYSCALL GetMem
bcs .9
>STYA ZPArgVBuf
txa
>STA.G CORE.hArgVBuf
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.9 rts
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*--------------------------------------
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CORE.Quit >LDA.G CORE.hArgVBuf
beq CORE.FUNCRESET
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>SYSCALL FreeMem
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CORE.FUNCRESET >LDA.G hFuncList
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beq .8
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>SYSCALL SListFree
>STZ.G hFuncList
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.8 rts
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*--------------------------------------
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CORE.Load.YAX stx M32.ACC X = Code to Execute
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jsr CORE.ArgV.Dup Y,A = ArgV
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bcs .9
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stx M32.ACC+1 X = hARGV
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sta M32.ACC+2 A = ARGC
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lda #8
jsr CORE.StkCheck
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bcs .9
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>LDYA ZPInputBuf
jsr CORE.StkPushYA
>LDYA ZPInputBufPtr
jsr CORE.StkPushYA
ldy #S.PS.ARGC
lda (pPS),y
jsr CORE.StkPush old ARGC
ldy #S.PS.hARGV
lda (pPS),y
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jsr CORE.StkPush old hARGV
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ldy #S.PS.ARGC
lda M32.ACC+2 new ARGC
sta (pPS),y
iny #S.PS.hARGV
lda M32.ACC+1
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sta (pPS),y new hARGV
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lda M32.ACC new code
jsr CORE.StkPush
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* lda M32.ACC
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>SYSCALL GetMemPtr
>STYA ZPInputBuf
>STYA ZPInputBufPtr
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* clc
.9 rts
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*--------------------------------------
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* http://heirloom.sourceforge.net/sh/sh.1.html
*--------------------------------------
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* Input : ZPArgVBuf (String)
* Tokenize ZPArgVBuf
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* :LOOP
* if CmdSep=| :
* set hStdIn = hStdOut
* set hStdOut = Std
* GetCmd from line until | or EOL
* if CmdSep=| :
* create PIPE
* set hStdOut -> PIPE
* CORE.Exec &
* :LOOP
* else CORE.Exec
*--------------------------------------
* SET VAR = `cmd args`, FOR VAR IN `cmd args`
* create PIPE
* set hStdOut -> PIPE
* CORE.Exec `cmd args` &
* set READMODE
* set hStdIn = hStdOut
* set hStdOut = Std
*--------------------------------------
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CORE.Run.EOF jsr CORE.StkPull
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bcs *
cmp #$C0+C.. check CALL . CL context
beq .1
cmp #$C0+C.CALL
beq .1
cmp #$C0+C.CLEXEC
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bne .9
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.1 jsr CMD.EXIT.FILE
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jsr IO.Reset
lda #0
sec
rts Ending 0, CS,A=0
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.9 lda #E.UNEXPEOF
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sec
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rts
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*--------------------------------------
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CORE.Run.SYN lda #E.SYN
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sec
rts
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*--------------------------------------
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CORE.Run jsr IO.Reset
clc
.HS B0 BCS
CORE.Run.1 sec coming from PIPE OUT
ror
>STA.G CORE.bPipeIn
>LDYA ZPInputBufPtr Save Actual cmd for looping
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>STYA ZPInputCmdPtr
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>LDYA ZPArgVBuf
>STYA ZPArgVBufPtr
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lda #0 Reset ArgV Buffer
sta (ZPArgVBuf)
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dec
* lda #$ff
sta CORE.IntCmd assume external
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lda #S.PS.F.HOLD
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sta CORE.PSFlags
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.3 jsr CORE.GetCharNB
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bcs CORE.Run.EOF
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cmp #C.CR empty line ?
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bne .33
jsr CORE.GetNextChar skip CR...
bra .8
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.33 cmp #'#' commented line?
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bne .4
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.12 jsr CORE.SkipLine
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.8 lda #0
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clc
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.9 rts EOL, CS,A=0
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.4 >LDYA L.CMD internal command ?
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jsr CORE.LookupInputBuf
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bcc .41
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.40 jsr CORE.ArgV.Add external cmd, go check context
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bra .42
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.41 stx CORE.IntCmd
asl CORE.IntCmd
jsr CORE.SkipCharsA
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.42 jsr CORE.StkGet
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bcs CORE.Run.7 no particular context, exec...
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tax
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lda CORE.IntCmd
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bmi .45
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and #$3F
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cmp #C.SWITCH SWITCH....FI ?
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bcs CORE.Run.7
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.45 txa
bpl .43 context is FALSE, skip line
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asl
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bmi CORE.Run.7 parent context is true, exec
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.43 jsr CORE.GetCharNB
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bcs .44 EOF
cmp #C.CR
beq .44
cmp #';' TODO ";"
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beq .44
jsr CORE.GetNextChar
bra .43
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2019-03-02 20:47:58 +00:00
.44 jsr CORE.GetNextCharNB Skip EoL char
clc
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.99 rts
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*--------------------------------------
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CORE.Run.5 >LDYA L.CORE.IO
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jsr CORE.LookupInputBuf
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bcs CORE.Run.6
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jsr CORE.SkipCharsA
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jsr CORE.IO.JMP
bcs CORE.Run.RTS
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bra CORE.Run.7
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CORE.Run.6 jsr CORE.ArgV.Add
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CORE.Run.7 jsr CORE.GetCharNB
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bcs .2 Nothing to skip
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jsr CORE.IsEndCmd
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bcs CORE.Run.5
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tax
jsr CORE.GetNextCharNB Skip EoL char
cpx #'|' Pipe OUT ?
bne .2
sec
.1 .HS 90 BCC
.2 clc
ror
>STA.G CORE.bPipeOut
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>LDA.G CORE.bPipeIn
bpl .3
jsr IO.Pipe.In
bcs CORE.Run.RTS
.3 >LDA.G CORE.bPipeOut
bpl CORE.ExecCmd
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jsr IO.Pipe.Out
bcs CORE.Run.RTS
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lda #S.PS.F.HOLD Run in the background...
trb CORE.PSFlags
lda #S.PS.F.CLOSEONX ...and close PIPE OUT on exit
tsb CORE.PSFlags
jsr CORE.ExecCmd
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php
pha
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lda CORE.IntCmd $ff if external
eor #$80
asl if cc Was external...
jsr IO.Reset.OutC restore Output, NO close if EXTERNAL
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>LDA.G CORE.bPipeIn
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bpl .6
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jsr IO.Pop.In restore Input
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.6 pla
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plp
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bcs CORE.Run.RTS
jmp CORE.Run.1 Loop with Pipe IN
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CORE.Run.RTS rts
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*--------------------------------------
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* Input : ZPArgVBuf
*--------------------------------------
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CORE.ExecCmd lda #0
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sta (ZPArgVBufPtr)
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>LDYA ZPArgVBuf
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>STYA ZPArgVBufPtr
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lda CORE.IntCmd
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bmi CORE.ExecExtCmd
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tax
jmp (J.CMD,x)
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CORE.ExecExtCmd >PUSHB CORE.PSFlags
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>LDYA ZPArgVBuf
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>SYSCALL execv
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bcs .9
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tax CPID
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lda CORE.PSFlags
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and #S.PS.F.HOLD
bne .4
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>LDA.G CORE.bPipeOut
bmi .4
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txa
>PUSHA
>PUSHBI 1
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>PUSHW L.MSG.PID
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jmp IO.PrintErr
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.4 >SLEEP Suspend this PID
sec
ldy #S.PS.RC CPID will update S.PS.RC
lda (pPs),y
bne .9
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2019-02-01 16:32:29 +00:00
.8 clc
.9 rts
*--------------------------------------
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CORE.SkipLine jsr CORE.GetNextCharNB
bcs .8 EOF
cmp #C.CR EOL
bne CORE.SkipLine
jsr CORE.GetNextChar skip CR...
.8 rts
*--------------------------------------
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* search ZPInputBufPtr/ZPArgVBufPtr in Y,A table
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*--------------------------------------
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CORE.LookupInputBuf
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sec
.HS 90 BCC
CORE.LookupArgVBuf
clc
>STYA ZPPtr1 Keywords table
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>LDYA ZPArgVBufPtr
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bcc CORE.Lookup
>LDYA ZPInputBufPtr
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CORE.Lookup >STYA ZPPtr2
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ldx #0
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.1 ldy #$ff
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.2 jsr .7 get next valid char in src text
bcs .3
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.20 jsr ToUpperCase
eor (ZPPtr1),y match table char ?
asl compare only 7 bits
bne .4 no match...get next table keyword
bcc .2 not last char in this keyword
jsr .7 next char in text...
bcc .4 valid....failed
.8 tya Keyword Len
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2019-02-11 16:44:56 +00:00
clc
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rts
.3 dey
lda (ZPPtr1),y was last char in this keyword ?
bmi .8
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iny
.41 jsr IncPtr1 skip chars to next keyword
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.4 lda (ZPPtr1)
bpl .41
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jsr IncPtr1
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.6 inx
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lda (ZPPtr1) Array Ending 0, lookup failed
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bne .1
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lda #E.SYN
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sec
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rts
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.7 iny
lda (ZPPtr2),y Get Src text char...
beq .9 end of text
jsr CORE.IsSpaceOrEndCmd
bcc .9 end of valid chars
clc
rts
.9 sec
rts
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*--------------------------------------
* ArgV
*--------------------------------------
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CORE.ArgV.Dup >STYA ZPPtr1
phy
pha
lda #1
sta ZPPtr2
stz ZPPtr2+1
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.1 jsr GetPtr1LenY
tya
beq .2
jsr AddAp1Ptr2
jsr AddYp1Ptr1
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bra .1
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.2 pla
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ply
>STYA ZPPtr1
>LDYA ZPPtr2
>SYSCALL GetMem
bcs .9
>STYA ZPPtr2
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phx
ldx #$ff Arg count-1 (skip $0)
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.5 jsr StrCpyPtr1Ptr2
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tya
beq .8
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inx
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jsr AddAp1Ptr2
jsr AddYp1Ptr1
bra .5
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.8 txa A = Arg count, X = hARGV
plx
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clc
.9 rts
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*--------------------------------------
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CORE.ArgV.Add >LDYA ZPArgVBufPtr
>STYA ZPArgVBufPrev Save String start of Expand
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lda #C.SPACE
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sta ZPTmpW
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jsr CORE.GetCharNB
bcs .9
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cmp #'"'
bne .10
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sta ZPTmpW
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bra .1
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.10 cmp #'('
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bne .11
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ldx #')'
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stx ZPTmpW
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2019-03-07 16:48:30 +00:00
bra .12
.11 cmp #'`'
bne .12
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sta ZPTmpW
2019-03-07 16:48:30 +00:00
.12 jsr CORE.ArgV.PutChar
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2019-02-15 16:38:17 +00:00
.1 jsr CORE.GetNextChar
bcs .5
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.2 cmp ZPTmpW
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bne .3
jsr CORE.GetNextChar
bra .5
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2019-07-31 15:10:59 +00:00
.3 ldy ZPTmpW
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cpy #C.SPACE
bne .40
jsr CORE.IsEndCmd
bcc .5
.40 jsr CORE.ArgV.PutChar
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.4 jsr CORE.GetNextChar
2019-02-15 16:38:17 +00:00
bcc .2
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.5 lda #0
jsr CORE.ArgV.PutChar
>LDYA ZPArgVBufPrev
>SYSCALL ExpandStr
bcs .9
phx
>STYA ZPPtr1
>LDYA ZPArgVBufPrev
>STYA ZPArgVBufPtr
ldy #$ff
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.7 iny
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lda (ZPPtr1),y
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beq .8
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jsr CORE.ArgV.PutChar
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bra .7
.8 tya
beq .81
lda #0
jsr CORE.ArgV.PutChar
.81 pla
2019-02-12 16:47:34 +00:00
>SYSCALL freemem
.9 rts
2019-02-11 06:58:33 +00:00
*--------------------------------------
CORE.ArgV.PutChar
sta (ZPArgVBufPtr)
CORE.ArgV.NextChar
inc ZPArgVBufPtr
bne .8
2019-02-11 16:44:56 +00:00
inc ZPArgVBufPtr+1
2019-10-03 06:25:27 +00:00
.8 rts
2019-02-11 06:58:33 +00:00
*--------------------------------------
CORE.ArgV.Next lda (ZPArgVBufPtr)
beq .8
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>LDYA ZPArgVBufPtr
>STYA ZPArgVBufPrev
2019-02-11 06:58:33 +00:00
.1 jsr CORE.ArgV.NextChar
lda (ZPArgVBufPtr)
bne .1
jsr CORE.ArgV.NextChar
lda (ZPArgVBufPtr)
.8 rts
*--------------------------------------
* IO
*--------------------------------------
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CORE.IO.JMP txa
asl
tax
jmp (J.CORE.IO,x)
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2019-08-12 07:40:16 +00:00
CORE.IO.AMP lda #S.PS.F.HOLD
trb CORE.PSFlags
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clc
CORE.IO.RTS rts
CORE.IO.IN lda #O.RDONLY+O.TEXT
jsr CORE.IO.Open
bcs CORE.IO.RTS
jmp IO.Set.In
CORE.IO.OUTA
CORE.IO.1OUTA lda #O.WRONLY+O.APPEND+O.CREATE+O.TEXT
bra CORE.IO.OUT.1
CORE.IO.OUT
CORE.IO.1OUT lda #O.WRONLY+O.TRUNC+O.CREATE+O.TEXT
CORE.IO.OUT.1 jsr CORE.IO.Open
bcs CORE.IO.RTS
jmp IO.Set.Out
CORE.IO.2OUTA lda #O.WRONLY+O.APPEND+O.CREATE+O.TEXT
bra CORE.IO.2OUT.1
CORE.IO.2OUT lda #O.WRONLY+O.TRUNC+O.CREATE+O.TEXT
CORE.IO.2OUT.1 jsr CORE.IO.Open
bcs CORE.IO.RTS
jmp IO.Set.Err
*--------------------------------------
CORE.IO.Open pha Open Mode
jsr CORE.GetCharNB
bcs .9 no arg left....
2019-02-18 12:52:10 +00:00
jsr CORE.ArgV.Add Get Filename
>LDYA ZPArgVBufPrev
>STYA ZPArgVBufPtr Discard filename
2019-08-02 14:36:49 +00:00
plx
jmp IO.FOpenYAX
2019-02-11 06:58:33 +00:00
.9 pla
2019-03-05 16:49:34 +00:00
lda #E.SYN
2019-02-11 06:58:33 +00:00
sec
2019-10-03 06:25:27 +00:00
rts
2019-02-11 06:58:33 +00:00
*--------------------------------------
* Input Buffer
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*--------------------------------------
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CORE.IsSpaceOrEndCmd
cmp #C.SPACE
beq CORE.IsEndCmd.8
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CORE.IsEndCmd cmp #';'
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beq CORE.IsEndCmd.8
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cmp #C.CR
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beq CORE.IsEndCmd.8
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cmp #'|'
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beq CORE.IsEndCmd.8
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sec
rts
2019-02-08 16:13:43 +00:00
CORE.IsEndCmd.8 clc
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rts
*--------------------------------------
CORE.GetCharNB jsr CORE.GetChar
bcs CORE.GetNextCharNB.RTS
jsr CORE.CheckCharNB
bcc CORE.GetNextCharNB.RTS
*--------------------------------------
CORE.GetNextCharNB
jsr CORE.GetNextChar
bcs CORE.GetNextCharNB.RTS
jsr CORE.CheckCharNB
bcs CORE.GetNextCharNB
CORE.GetNextCharNB.RTS
rts
*--------------------------------------
CORE.CheckCharNB
cmp #C.SPACE
beq .9
cmp #C.LF
beq .9
cmp #C.TAB
beq .9
clc
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.9 rts
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*--------------------------------------
CORE.GetNextChar
inc ZPInputBufPtr
bne CORE.GetChar
inc ZPInputBufPtr+1
*--------------------------------------
CORE.GetChar lda (ZPInputBufPtr)
beq .9
clc
rts
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.9 sec
rts
*--------------------------------------
2019-02-11 16:44:56 +00:00
CORE.SkipCharsA clc
adc ZPInputBufPtr
sta ZPInputBufPtr
bcc .8
inc ZPInputBufPtr+1
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.8 rts
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*--------------------------------------
2019-02-11 06:58:33 +00:00
* Stack
*--------------------------------------
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CORE.StkPopCtx jsr CORE.StkPull
CORE.StkPopCtxA and #$3F
cmp #C.IF
beq .8 IF : Nothing
ldx #2
cmp #C.WHILE WHILE : One Ptr = 2 bytes
beq CORE.StkPopX
cmp #C.SWITCH SWITCH : hValue
beq .2
ldx #1
cmp #C.CASE CASE : C.CASE + hValue
beq .1
cmp #C.DEFAULT DEFAULT : C.DEFAULT + hValue
bne .9
.1 jsr CORE.StkPopX
.2 jsr CORE.StkPull
>SYSCALL freemem
.8 clc
rts
.9 lda #E.STACKERROR
sec
rts
*--------------------------------------
CORE.StkPopX lda (pData)
.1 dec
dex
bne .1
sta (pData)
clc
rts
*--------------------------------------
2019-04-03 15:52:24 +00:00
CORE.StkCheck sec
adc (pData) StackPtr
cmp #CORE.STACK.MAX
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bcc .8
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lda #E.STKOVERFLOW
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* sec
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.8 rts
2019-04-03 15:52:24 +00:00
*--------------------------------------
2019-05-31 07:31:41 +00:00
CORE.StkPushYAX phx
jsr CORE.StkPushYA
bcs CORE.StkPushYA.9
bra CORE.StkPush.1
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*--------------------------------------
2019-04-03 11:46:50 +00:00
CORE.StkPushYA phy
jsr CORE.StkPush
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bcc CORE.StkPush.1
CORE.StkPushYA.9
plx
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CORE.StkPushYA.RTS
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rts
2019-04-03 11:46:50 +00:00
*--------------------------------------
2019-09-18 15:33:00 +00:00
CORE.PushVarName
>LDYA ZPVarNamePtr
>SYSCALL strdup
bcs CORE.StkPushYA.RTS
txa
*--------------------------------------
2019-01-31 16:34:02 +00:00
CORE.StkPush pha
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CORE.StkPush.1 lda (pData) StackPtr
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inc
cmp #CORE.STACK.MAX
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bcs .9
2019-11-15 14:40:48 +00:00
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sta (pData) StackPtr
tay
pla
sta (pData),y
* clc
rts
2019-11-15 14:40:48 +00:00
2019-01-28 16:33:30 +00:00
.9 pla
lda #E.STKOVERFLOW
* sec
rts
*--------------------------------------
2019-03-08 16:36:21 +00:00
CORE.StkGetCtx jsr CORE.StkGet
tax
bcs .1 no context...
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2019-08-15 12:48:58 +00:00
cmp #$C0+C.. in a call...
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beq .1 CS
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cmp #$C0+C.CALL
beq .1 CS
cmp #$C0+C.CLEXEC
beq .1 CS
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and #$80 get current..
lsr becomes parent
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bra .8
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.1 lda #$40 ...set Parent = true
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.8 sta CORE.TestResult
2019-04-01 15:24:01 +00:00
2019-03-08 16:36:21 +00:00
txa
rts
*--------------------------------------
2019-05-31 07:31:41 +00:00
CORE.StkPullInputBufPtr
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jsr CORE.StkPull
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bcs .9
2019-04-04 15:44:20 +00:00
sta ZPInputBufPtr
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jsr CORE.StkPull
bcs .9
sta ZPInputBufPtr+1
2019-10-03 06:25:27 +00:00
.9 rts
2019-04-04 15:44:20 +00:00
*--------------------------------------
2019-01-31 16:34:02 +00:00
CORE.StkPull jsr CORE.StkGet
2019-01-28 16:33:30 +00:00
bcs .9
dey
pha
tya
sta (pData) StackPtr
pla
2019-10-03 06:25:27 +00:00
.9 rts
2019-01-28 16:33:30 +00:00
*--------------------------------------
CORE.StkGet lda (pData) StackPtr
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beq .9
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tay
lda (pData),y
clc
rts
2019-08-12 07:40:16 +00:00
.9 lda #E.STACKERROR
2019-05-31 07:31:41 +00:00
sec
rts
*--------------------------------------
2019-01-28 16:33:30 +00:00
MAN
2019-02-08 16:13:43 +00:00
SAVE USR/SRC/BIN/SH.S.CORE
LOAD USR/SRC/BIN/SH.S
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ASM