mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-03 12:06:05 +00:00
724 lines
14 KiB
Plaintext
724 lines
14 KiB
Plaintext
NEW
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AUTO 3,1
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*--------------------------------------
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.DUMMY
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.OR ZPTMP+8 7 Bytes
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PS.Flags .BS 1
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PS.ArgV .BS 2
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PS.ArgSize .BS 2
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PS.NewPSPtr .BS 2
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.ED
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*/--------------------------------------
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* # ExecL
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* ## C
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* `int execl(const char* cmdline, short int flags);`
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* ## ASM
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* `>PUSHB flags`
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* `>LDYA cmdline`
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* `>SYSCALL execl`
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* ## RETURN VALUE
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* A = Child PSID
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*\--------------------------------------
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K.ExecL sty .1+1
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sta .2+1
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>PULLB PS.Flags
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>LDYAI 256
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jsr K.GetMem
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bcs .99
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stx .90+1
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>STYA PS.ArgV
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>PUSHYA
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.1 ldy #$ff SELF MODIFIED
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.2 lda #$ff SELF MODIFIED
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jsr K.Args2ArgV
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bcs .9
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jsr PS.Exec
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.9 php
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pha
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.90 lda #$ff SELF MODIFIED
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jsr K.FreeMem
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pla
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plp
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.99 rts
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*/--------------------------------------
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* # ExecV
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* ## C
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* `int execv(const char* argv[], short int flags);`
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* ## ASM
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* `>PUSHB flags`
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* `>LDYA argv`
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* `>SYSCALL execv`
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* ## RETURN VALUE
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* A = Child PSID
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*\--------------------------------------
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K.ExecV >STYA PS.ArgV
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>PULLB PS.Flags
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PS.Exec jsr PS.CreateChild A=PID,Child S.PS at PS.NewPSPtr,PS.Load.hMem
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bcs .9
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sta .8+1
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stz K.IOBuf If !=0 after PS.Load, it's a script
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jsr PS.Load
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bcs .90
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jsr PS.AddArgV K.IOBuf= /.../SHELL, K.Buf256=/.../SCRIPT
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bcc .8 or K.IOBuf= 0, K.Buf256=/.../BINFILE
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.90 pha save error code
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>PUSHBI 2
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lda .8+1
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jsr K.Kill
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pla get back error code
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sec
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rts
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.8 lda #$ff SELF MODIFIED
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* clc
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.9 rts
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*--------------------------------------
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* PS.CreateChild
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* in :
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* out :
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* A = PSID
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*--------------------------------------
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PS.CreateChild ldx #0
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bra .2 Skip PS0
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.1 lda PS.Table.PID,x
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beq .4 Found an empty slot
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.2 inx
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cpx CORE.PSCount
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bne .1
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cpx #K.PS.MAX
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bne .3
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lda #E.OOH
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sec
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rts
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.99 plx
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rts
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.3 inc CORE.PSCount
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.4 inc CORE.LastPSID Get a PSID not already running
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beq .4 not = 0
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lda CORE.LastPSID
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jsr CORE.GetPS Y=PS Index, X,A unmodified
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bcc .4 running...loop
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lda CORE.LastPSID
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sta PS.Table.PID,x
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phx save PS Index
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>LDYAI S.PS
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jsr K.GetMem0 Blank Everything in this S.PS
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bcs .99
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>STYA PS.NewPSPtr
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txa
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plx
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sta PS.Table.hPS,x
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jsr Mem.SetOwner Set Ownership
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lda PS.Flags
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and #S.PS.F.CLOSEONX
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sta (PS.NewPSPtr)
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lda CORE.LastPSID
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ldy #S.PS.PID
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sta (PS.NewPSPtr),y
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lda #S.PS.F.NOHUP
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bit PS.Flags
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beq .5
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lda PS.Table.hPS Select PS0
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jsr K.GetMemPtr
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bra .6
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.5 >LDYA pPs
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.6 >STYA ZPPtr1
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ldy #S.PS.PID
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lda (ZPPtr1),y
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dey #S.PS.PPID
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sta (PS.NewPSPtr),y
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ldy #S.PS.hCWD copy hPREFIX...
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lda (ZPPtr1),y
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jsr K.GetMemPtr
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jsr K.StrDup
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bcs .9
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jsr Mem.SetOwner Set Ownership
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txa
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ldy #S.PS.hCWD
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sta (PS.NewPSPtr),y
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jsr ENV.Dup dup hENV from parent PS
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bcs .9
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ldy #S.PS.hENV
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sta (PS.NewPSPtr),y
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txa
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dey
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sta (PS.NewPSPtr),y
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ldy #S.PS.hStdIn
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.7 lda (ZPPtr1),y
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sta (PS.NewPSPtr),y
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iny
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cpy #S.PS.hStdErr+1
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bne .7
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ldy #S.PS.hSID
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lda (ZPPtr1),y
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sta (PS.NewPSPtr),y
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tax
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lda S.Table.hSession-1,x
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jsr K.GetMemPtr
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phy
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ldy #S.PS.ZP.SESSION+1
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sta (PS.NewPSPtr),y
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dey
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pla
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sta (PS.NewPSPtr),y
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jsr Mem.IncRefCnt
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lda #S.PS.F.HOLD
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bit PS.Flags
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beq .8
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ora (ZPPtr1)
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sta (ZPPtr1) HOLD parent PS
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lda CORE.LastPSID
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ldy #S.PS.CPID
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sta (ZPPtr1),y
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.8
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* lda #S.PS.S.INIT
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* ldy #S.PS.S
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* sta (PS.NewPSPtr),y Make this PS Init....
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lda CORE.LastPSID Exit with A=PSID
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clc
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rts
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.9 pha
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>PUSHBI 2
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lda CORE.LastPSID
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jsr K.Kill
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pla
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sec
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rts
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*--------------------------------------
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PS.Load ldy #$ff
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.1 iny
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lda (PS.ArgV),y
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beq .2 no / in path...try search in PATH
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cmp #'/'
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bne .1
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>PUSHWI K.S.STAT
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>LDYA PS.ArgV found /, some path specified, no search
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ldx #SYS.stat
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jsr K.SYSCALL2
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bcc .6 REAL path in K.Buf256
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.99 rts
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.2 >LDYA PS.ArgV
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jsr ENV.Search.PATH Get fullpath in K.Buf256
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bcc .6
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ldy #S.PS.hCWD
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lda (PS.NewPSPtr),y
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jsr K.GetMemPtr
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>STYA ENV.SearchPath
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>LDYA PS.ArgV
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jsr ENV.Search.YA
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bcs .99
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.6 lda K.S.STAT+S.STAT.P.TYPE
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cmp #S.FI.T.BIN
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beq PS.LoadBIN
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.7 cmp #S.FI.T.TXT
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beq PS.Load.SCRIPT
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* cmp #S.FI.T.SYS
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* bra *
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PS.Load.IBIN lda #E.IBIN
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.HS 2C
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PS.Load.IPATH lda #E.BADPATH
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sec
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PS.Load.RTS rts
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PS.Load.SCRIPT ldx #$ff
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.10 inx Save Script name in IOBuf
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lda K.Buf256,x
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sta K.IOBuf,x
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bne .10
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jsr PS.LoadGetHeader
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bcs PS.Load.RTS
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>LDYAI PS.Load.ROOT
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jsr K.GetEnv
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bcs PS.Load.IPATH
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>STYA .2+1
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ldx #$ff
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.1 inx
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.2 lda $ffff,x SELF MODIFIED
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sta K.Buf256,x K.Buf256 = "$ROOT"
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bne .1
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ldy #0
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.3 lda K.IOBuf+128,y Check HEADER= "#!/"
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cmp PS.Load.HEADER,y
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bne PS.Load.IBIN
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iny
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cpy #3
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bne .3
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.4 iny
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inx
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lda K.IOBuf+128-1,y
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sta K.Buf256-1,x K.Buf256 = "${ROOT}BIN/SHELL"
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beq .5
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eor #C.CR
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bne .4
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sta K.Buf256-1,x K.Buf256 = "${ROOT}BIN/SHELL\0"
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.5 >PUSHWI K.S.STAT
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>LDYAI K.Buf256
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ldx #SYS.stat
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jsr K.SYSCALL2
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bcs PS.Load.RTS
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lda K.S.STAT+S.STAT.P.TYPE
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cmp #S.FI.T.BIN
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bne PS.Load.IBIN
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*--------------------------------------
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PS.LoadBIN jsr BIN.Load K.Buf256= "${ROOT}BIN/SHELL\0", K.IOBuf=/.../SCRIPT
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bcs .9
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>STYA ZPPtr4 save PTR to Code Segment
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phy
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ldy #S.PS.ZP.CODE+1
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sta (PS.NewPSPtr),y save pCode HI...
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dey
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pla
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sta (PS.NewPSPtr),y save pCode LO...
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txa
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ldy #S.PS.hCS
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sta (PS.NewPSPtr),y save CS hMem in S.PS
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* jsr MEM.GetMemByID
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* jsr Mem.SetOwner Set Ownership
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ldy #H.BIN.F Get Bin S.PS.F
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lda (ZPPtr4),y
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beq .1
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ldy #S.PS.F update PS S.PS.F
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ora (PS.NewPSPtr),y
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sta (PS.NewPSPtr),y
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.1 ldy #H.BIN.DS.SIZE+1
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lda (ZPPtr4),y Load DS.SIZE HI
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tax
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dey
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ora (ZPPtr4),y
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beq .2 DS.SIZE=0...
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lda (ZPPtr4),y
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tay
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txa Y,A = DS.SIZE
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ldx #S.MEM.F.INIT0+S.MEM.F.DATA
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jsr MEM.GetMem.YAX
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bcs .9
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phy
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ldy #S.PS.ZP.DATA+1
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sta (PS.NewPSPtr),y save pData HI...
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dey
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pla
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sta (PS.NewPSPtr),y save pData LO...
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txa
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ldy #S.PS.hDS
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sta (PS.NewPSPtr),y save DS hMem in S.PS
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jsr Mem.SetOwner Set Ownership
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.2 ldy #H.BIN.SS.SIZE
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lda (ZPPtr4),y Load SS.SIZE
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ldy #S.PS.ZP.STACK
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sta (PS.NewPSPtr),y save pStack LO...
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tay
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beq .3 SS.SIZE.LO=0, set as default $100
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lda #$ff SS.SIZE.HI
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.3 inc
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ldx #S.MEM.F.ALIGN+S.MEM.F.STACK
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jsr MEM.GetMem.YAX
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bcs .9
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ldy #S.PS.ZP.STACK+1
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sta (PS.NewPSPtr),y save pStack HI...(LO already set to Stack TOP)
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ldy #S.PS.ZP.LOCAL+1
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sta (PS.NewPSPtr),y
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txa
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ldy #S.PS.hSS
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sta (PS.NewPSPtr),y save SS hMem in S.PS
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jmp Mem.SetOwner Set Ownership
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.9 rts
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*--------------------------------------
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PS.LoadGetHeader
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>PUSHWZ Aux type
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>PUSHBI S.FI.T.TXT
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>PUSHBI O.RDONLY
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>LDYAI K.IOBuf
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ldx #SYS.fopen
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jsr K.SYSCALL2
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bcs .9
|
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sta .1+1
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>PUSHWI 128
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>PUSHWI K.IOBuf+128
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.1 lda #$ff SELF MODIFIED
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ldx #SYS.fread
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jsr K.SYSCALL2
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php
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pha
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lda .1+1
|
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ldx #SYS.fclose
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jsr K.SYSCALL2
|
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pla
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plp
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.9 rts
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*--------------------------------------
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PS.Load.ROOT .AZ "ROOT"
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PS.Load.HEADER .AZ "#!/"
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*--------------------------------------
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* K.Buf256= /.../SHELL, K.IOBuf=/.../SCRIPT
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* - or -
|
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* K.Buf256=/.../BINFILE,K.IOBuf=0
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* Buf256+IOBUF(?)+PS.ArgV[1,...] -> #S.PS.hARGV
|
||
*--------------------------------------
|
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PS.AddArgV ldy #$ff In both cases, remove ARGV[0]
|
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.60 iny
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lda (PS.ArgV),y
|
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bne .60
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tya
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sec
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adc PS.ArgV
|
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sta PS.ArgV
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bcc .70
|
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inc PS.ArgV+1 Skip old ARGV[0] = scriptename
|
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.70 >LDYAI K.Buf256
|
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jsr K.strlen
|
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>STYA PS.ArgSize
|
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lda K.IOBuf is there a /BIN/SHELL ?
|
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beq .10
|
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>LDYAI K.IOBuf
|
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jsr K.strlen
|
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jsr PS.AddYAp12ArgSize
|
||
|
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.10 ldx #0 For now, 0 args...
|
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lda K.IOBuf
|
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beq .11 +1 for scriptpath
|
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inx
|
||
.11 >LDYA PS.ArgV
|
||
>STYA ZPPtr1
|
||
|
||
.1 lda (ZPPtr1)
|
||
beq .4
|
||
inx
|
||
ldy #0
|
||
.2 iny
|
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lda (ZPPtr1),y
|
||
bne .2
|
||
* lda #0
|
||
jsr PS.AddYAp12ArgSize
|
||
.3 jsr SHARED.AddYp1ToPtr1
|
||
bra .1
|
||
|
||
.4 txa
|
||
ldy #S.PS.ARGC
|
||
sta (PS.NewPSPtr),y
|
||
>LDYA PS.ArgSize Add 1 for ending 0
|
||
iny
|
||
bne .5
|
||
inc
|
||
|
||
.5 jsr K.GetMem
|
||
bcs PS.AddPtr1ToStrVUntil0.RTS
|
||
>STYA ZPPtr2 Target Buffer
|
||
txa
|
||
ldy #S.PS.hARGV
|
||
sta (PS.NewPSPtr),y
|
||
|
||
>LDYAI K.Buf256
|
||
jsr PS.AddYAToStrV
|
||
lda K.IOBuf
|
||
beq .6
|
||
>LDYAI K.IOBuf
|
||
jsr PS.AddYAToStrV
|
||
.6 >LDYA PS.ArgV
|
||
>STYA ZPPtr1
|
||
*--------------------------------------
|
||
PS.AddPtr1ToStrVUntil0
|
||
.1 lda (ZPPtr1)
|
||
sta (ZPPtr2)
|
||
beq .8 Ending \0
|
||
jsr PS.AddPtr1ToStrV
|
||
bra .1
|
||
.8 clc
|
||
PS.AddPtr1ToStrVUntil0.RTS
|
||
rts
|
||
*--------------------------------------
|
||
PS.AddYAToStrV >STYA ZPPtr1
|
||
PS.AddPtr1ToStrV
|
||
ldy #$ff
|
||
.2 iny
|
||
lda (ZPPtr1),y
|
||
sta (ZPPtr2),y
|
||
bne .2
|
||
jsr SHARED.AddYp1ToPtr1
|
||
jmp SHARED.AddYp1ToPtr2
|
||
*--------------------------------------
|
||
PS.AddYAp12ArgSize
|
||
pha
|
||
tya
|
||
sec +1 for \0
|
||
adc PS.ArgSize
|
||
sta PS.ArgSize
|
||
pla
|
||
adc PS.ArgSize+1
|
||
sta PS.ArgSize+1
|
||
rts
|
||
*/--------------------------------------
|
||
* # Kill
|
||
* ## C
|
||
* `int kill(short int pid, short int sig);`
|
||
* ## ASM
|
||
* `>PUSHB sig`
|
||
* `lda pid`
|
||
* `>SYSCALL kill`
|
||
* ## RETURN VALUE
|
||
* A = Child PSID
|
||
*\--------------------------------------
|
||
K.Kill.PID .BS 1
|
||
*--------------------------------------
|
||
K.Kill cmp #0
|
||
beq .99 CS
|
||
sta K.Kill.PID
|
||
jsr CORE.GetPSByID
|
||
bcs .99
|
||
>STYA ZPPtr1
|
||
>PULLA
|
||
cmp #2+1
|
||
bcs .9
|
||
asl
|
||
tax
|
||
jmp (.1,x)
|
||
.1 .DA K.Kill.0
|
||
.DA K.Kill.1
|
||
.DA K.Kill.2
|
||
.9 lda #E.SYN
|
||
* sec
|
||
rts
|
||
.99 >RET 1
|
||
*--------------------------------------
|
||
K.Kill.1 ldy #S.PS.S
|
||
lda #S.PS.S.QUIT
|
||
sta (ZPPtr1),y
|
||
K.Kill.0 clc
|
||
rts
|
||
K.Kill.2 ldy #S.PS.hSID
|
||
lda (ZPPtr1),y
|
||
tax
|
||
lda S.Table.hSession-1,x
|
||
jsr K.FreeMem
|
||
ldx #5
|
||
.11 ldy .10,x
|
||
|
||
lda (ZPPtr1),y
|
||
beq .12
|
||
|
||
jsr K.FreeMem
|
||
|
||
.12 dex
|
||
bpl .11
|
||
|
||
lda (ZPPtr1)
|
||
bit #S.PS.F.CLOSEONX
|
||
beq .1
|
||
|
||
ldy #S.PS.hStdOut
|
||
lda (ZPPtr1),y
|
||
ldx #SYS.fclose
|
||
jsr K.SYSCALL2
|
||
|
||
.1 lda K.Kill.PID
|
||
|
||
ldx #0
|
||
.2 cmp PS.Table.PID,x
|
||
beq .3
|
||
|
||
inx
|
||
cpx CORE.PSCount
|
||
bne .2
|
||
bra *
|
||
.3 stz PS.Table.PID,x
|
||
lda PS.TABLE.hPS,x
|
||
stz PS.TABLE.hPS,x
|
||
jmp K.FreeMem
|
||
|
||
.10 .DA #S.PS.hSS,#S.PS.hDS,#S.PS.hCS
|
||
.DA #S.PS.hARGV,#S.PS.hENV,#S.PS.hCWD
|
||
*/--------------------------------------
|
||
* # LoadTxtFile
|
||
* Load TXT a file in memory (with ending 0)
|
||
* ## C
|
||
* `int loadtxtfile ( const char * filename, short int flags, short int ftype, int auxtype );`
|
||
* ## ASM
|
||
* **In:**
|
||
* `>PUSHW auxtype`
|
||
* `>PUSHB ftype`
|
||
* `>PUSHB flags`
|
||
* `>LDYA filename`
|
||
* `>SYSCALL loadtxtfile`
|
||
* ## RETURN VALUE
|
||
* Y,A = File Length (without ending 0)
|
||
* X = hMem of Loaded File
|
||
*\--------------------------------------
|
||
.DUMMY
|
||
.OR ZPTMP 5 Bytes
|
||
FIO.bTXT .BS 1
|
||
FIO.hFILE .BS 1
|
||
FIO.MemPtr .BS 2
|
||
FIO.hMem .BS 1
|
||
.ED
|
||
*--------------------------------------
|
||
K.LoadTxtFile sec
|
||
.HS 90 BCC
|
||
*/--------------------------------------
|
||
* # LoadFile
|
||
* Load a file in memory
|
||
* ## C
|
||
* `int loadfile ( const char * filename, short int flags, short int ftype, int auxtype );`
|
||
* ## ASM
|
||
* **In:**
|
||
* `>PUSHW auxtype`
|
||
* `>PUSHB ftype`
|
||
* `>PUSHB flags`
|
||
* `>LDYA filename`
|
||
* `>SYSCALL loadfile`
|
||
* ## RETURN VALUE
|
||
* Y,A = File Length
|
||
* X = hMem of Loaded File
|
||
*\--------------------------------------
|
||
K.LoadFile clc
|
||
|
||
ror FIO.bTXT
|
||
ldx #SYS.FOpen
|
||
jsr K.SYSCALL2
|
||
bcs .9
|
||
|
||
.12 sta FIO.hFILE
|
||
|
||
pha
|
||
>PUSHWI K.S.Stat
|
||
pla
|
||
ldx #SYS.FStat
|
||
jsr K.SYSCALL2
|
||
bcs .11
|
||
|
||
lda K.S.Stat+S.STAT.SIZE+3
|
||
ora K.S.Stat+S.STAT.SIZE+2
|
||
bne .10
|
||
|
||
>LDYA K.S.Stat+S.STAT.SIZE
|
||
|
||
bit FIO.bTXT Add 1 to buffer size for ending 0
|
||
bpl .1
|
||
iny
|
||
bne .1
|
||
inc
|
||
bne .1
|
||
.10 lda #E.FTB
|
||
.11 bra .99
|
||
.1 jsr K.GetMem
|
||
bcs .99
|
||
>STYA FIO.MemPtr
|
||
stx FIO.hMem
|
||
>PUSHW K.S.Stat+S.STAT.SIZE
|
||
>PUSHW FIO.MemPtr
|
||
lda FIO.hFILE
|
||
ldx #SYS.FRead
|
||
jsr K.SYSCALL2
|
||
bcc .2
|
||
pha
|
||
lda FIO.hMem
|
||
jsr K.FreeMem
|
||
pla
|
||
.99 pha
|
||
lda FIO.hFILE
|
||
ldx #SYS.FClose
|
||
jsr K.SYSCALL2
|
||
pla
|
||
sec
|
||
.9 rts
|
||
|
||
.2 sty .7+1
|
||
sta .8+1
|
||
bit FIO.bTXT
|
||
bpl .5
|
||
|
||
pha set ending 0
|
||
tya
|
||
|
||
* clc
|
||
|
||
adc FIO.MemPtr
|
||
sta .4+1
|
||
pla
|
||
adc FIO.MemPtr+1
|
||
sta .4+2
|
||
.4 stz $ffff Self Modified
|
||
|
||
.5 jsr .99 close file
|
||
|
||
.7 ldy #$ff SELFMODIFIED
|
||
.8 lda #$ff SELFMODIFIED
|
||
ldx FIO.hMem
|
||
clc
|
||
rts
|
||
*/--------------------------------------
|
||
* # GetMemStat
|
||
* **In:**
|
||
* Y,A = Ptr to 24 bytes buffer
|
||
* ## RETURN VALUE
|
||
* Buffer filled with memory stats
|
||
*\--------------------------------------
|
||
K.GetMemStat >STYA ZPPtr1
|
||
|
||
ldy #23
|
||
ldx #7
|
||
.1 lda DevMgr.Stat,x
|
||
sta (ZPPtr1),y
|
||
dey
|
||
dex
|
||
bpl .1
|
||
sta SETREADAUX
|
||
jsr .2
|
||
sta CLRREADAUX
|
||
.2 ldx #7
|
||
.3 lda Mem.Table,x
|
||
sta (ZPPtr1),y
|
||
dey
|
||
dex
|
||
bpl .3
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE USR/SRC/SYS/KERNEL.S.PS
|
||
LOAD USR/SRC/SYS/KERNEL.S
|
||
ASM
|