mirror of
https://github.com/A2osX/A2osX.git
synced 2024-11-25 05:32:20 +00:00
602 lines
10 KiB
Plaintext
602 lines
10 KiB
Plaintext
NEW
|
||
AUTO 3,1
|
||
*/--------------------------------------
|
||
* # StrToF
|
||
* Convert String to 40 bits Float
|
||
* ## C
|
||
* `float strtof (const char* str, char** endptr );`
|
||
* ## ASM
|
||
* `>PUSHW str`
|
||
* `>PUSHWI EndPtr`
|
||
* `>SYSCALL StrToF`
|
||
* ## RETURN VALUE
|
||
* On stack (float)
|
||
*\--------------------------------------
|
||
K.StrToF >PULLW ZPPtr1
|
||
>PULLYA
|
||
jsr K.AToF
|
||
|
||
lda TXTPTR
|
||
sta (ZPPtr1)
|
||
ldy #1
|
||
lda TXTPTR+1
|
||
sta (ZPPtr1),y
|
||
rts
|
||
*/--------------------------------------
|
||
* # AToF
|
||
* Convert String to 40 bits Float
|
||
* ## C
|
||
* `float atof ( const char* str );`
|
||
* ## ASM
|
||
* `>LDYA str`
|
||
* `>SYSCALL atof`
|
||
* ## RETURN VALUE
|
||
* On stack (float)
|
||
*\--------------------------------------
|
||
K.AToF >STYA TXTPTR Ptr to source string
|
||
lda pStack
|
||
sec
|
||
sbc #5
|
||
sta pStack
|
||
jsr CHARGOT
|
||
|
||
ldx #FPU.FIN
|
||
jmp GP.GetFac
|
||
*/--------------------------------------
|
||
* # StrToL/StrToUL
|
||
* Convert String to 32 bits (unsigned) int
|
||
* ## C
|
||
* `long strtol (const char* str, char** endptr, int base);`
|
||
* `unsigned long strtoul (const char* str, char** endptr, int base);`
|
||
* ## ASM
|
||
* `>PUSHW str`
|
||
* `>PUSHW EndPtr`
|
||
* `>PUSHB Base`
|
||
* `>SYSCALL StrToL`
|
||
* ## RETURN VALUE
|
||
* On stack (long)
|
||
*\--------------------------------------
|
||
K.StrToL sec Signed
|
||
.HS 90 BCC
|
||
K.StrToUL clc Unsigned
|
||
|
||
>PULLA Base
|
||
>PULLW ZPPtr1 EndPtr
|
||
>PULLW ZPPtr2 str
|
||
|
||
jsr K.AToL.I
|
||
bcs K.StrToUL.rts
|
||
* clc
|
||
|
||
adc ZPPtr2
|
||
sta (ZPPtr1)
|
||
lda #0
|
||
adc ZPPtr2+1
|
||
ldy #1
|
||
sta (ZPPtr1),y
|
||
K.StrToUL.rts rts
|
||
*/--------------------------------------
|
||
* # atol
|
||
* Convert String to 32 bits long
|
||
* ## C
|
||
* `long atol ( const char * str );`
|
||
* ## ASM
|
||
* `>LDYA str`
|
||
* `>SYSCALL atol`
|
||
* ## RETURN VALUE
|
||
* On stack (long)
|
||
*\--------------------------------------
|
||
K.AToL >STYA ZPPtr2 C-String in Ptr2, Dst buffer in Ptr1
|
||
|
||
* lda #10 base 10
|
||
sec signed
|
||
K.AToL.I jsr MATH.Dec2ACC32
|
||
bcs .9
|
||
ldx #3
|
||
|
||
.3 lda ACC32,x
|
||
>PUSHA
|
||
dex
|
||
bpl .3
|
||
|
||
tya Y = A = Count processed
|
||
* clc
|
||
.9
|
||
rts
|
||
*/--------------------------------------
|
||
* # atoi
|
||
* Convert String to 16 bits int
|
||
* ## C
|
||
* `int atoi ( const char * str );`
|
||
* ## ASM
|
||
* `>LDYAI str`
|
||
* `>SYSCALL atoi`
|
||
* ## RETURN VALUE
|
||
* Y,A = int
|
||
*\--------------------------------------
|
||
K.atoi >STYA ZPPtr2
|
||
* lda #10 base 10
|
||
sec signed
|
||
jsr MATH.Dec2ACC32
|
||
bcs .9
|
||
>LDYA ACC32
|
||
|
||
.9 rts
|
||
*/--------------------------------------
|
||
* # RealPath
|
||
* Return the canonicalized absolute pathname
|
||
* ## C / CSH
|
||
* `char *realpath(const char *path, char *resolvedpath);`
|
||
* ## ASM
|
||
* `>PUSHW path`
|
||
* `>PUSHW resolvedpath`
|
||
* `>SYSCALL realpath`
|
||
* ## RETURN VALUE
|
||
* CC : success
|
||
* Y,A = Ptr to Full Path (C-String Buffer, MLI.MAXPATH+1)
|
||
* X = hMem of Full Path
|
||
* CS : A = Error Code
|
||
*\--------------------------------------
|
||
K.realpath.DST .BS 2
|
||
|
||
K.realpath.RET4 >RET 4
|
||
|
||
K.realpath ldy #3
|
||
lda (pStack),y
|
||
>PUSHA
|
||
lda (pStack),y
|
||
>PUSHA
|
||
>PUSHWZ
|
||
jsr K.expand
|
||
bcs K.realpath.RET4
|
||
|
||
>STYA ZPPtr1
|
||
stx .99+1 save expanded buffer hMem
|
||
|
||
>PULLW K.realpath.DST resolved path
|
||
|
||
inc pStack discard path
|
||
inc pStack
|
||
|
||
ldx #$ff
|
||
|
||
lda (ZPPtr1)
|
||
|
||
cmp #'/' full path starting with '/'?
|
||
beq .3 yes, do not append to current prefix
|
||
|
||
.1 ldy #S.PS.hCWD
|
||
lda (pPS),y
|
||
jsr K.GetMemPtr
|
||
>STYA .20+1
|
||
|
||
ldy #$ff
|
||
|
||
.2 iny
|
||
inx
|
||
.20 lda $ffff,y
|
||
sta K.Buf256,x
|
||
bne .2
|
||
|
||
dex
|
||
|
||
.3 ldy #$ff
|
||
|
||
.4 iny
|
||
inx
|
||
lda (ZPPtr1),y
|
||
sta K.Buf256,x
|
||
bne .4
|
||
|
||
dex
|
||
beq .81 we have '/'....nothing to do...
|
||
*--------------------------------------
|
||
* X=LEN, K.Buf256 = /dir1/./../file(/)\0
|
||
*--------------------------------------
|
||
ldx #0 will skip leading /
|
||
|
||
.5 ldy #0 reset dot counter=0
|
||
|
||
.6 inx
|
||
lda K.Buf256,x
|
||
beq .8
|
||
|
||
.7 cmp #'/'
|
||
beq .8
|
||
|
||
cmp #'.'
|
||
bne .5
|
||
|
||
iny
|
||
bra .6
|
||
|
||
.8 tya
|
||
beq .80 Y was 0....nothing to do...
|
||
|
||
dey one dot ?
|
||
bne .9 no..
|
||
|
||
dex
|
||
dex
|
||
jsr K.RealPath.RemoveAtX we found "/.", remove,useless....
|
||
bra .80
|
||
|
||
.9 dey "/.." ?
|
||
bne .99 "/..." ??!!...syntax error
|
||
|
||
dex
|
||
dex
|
||
dex
|
||
txa we found "/.."
|
||
beq .99 at the beginning of string...cannot remove /dir/..
|
||
|
||
jsr K.RealPath.RemoveAtX remove "/.."
|
||
|
||
.10 dex
|
||
lda K.Buf256,x go to "/dir"
|
||
cmp #'/'
|
||
bne .10
|
||
|
||
jsr K.RealPath.RemoveAtX ...remove "/dir"
|
||
|
||
.80 lda K.Buf256,x was / or \0 ?
|
||
bne .5
|
||
*--------------------------------------
|
||
.81 jsr .99
|
||
|
||
.82 ldy K.realpath.DST
|
||
lda K.realpath.DST+1
|
||
bne .85
|
||
|
||
>LDYAI MLI.MAXPATH+1
|
||
jsr K.getmem
|
||
bcs .90
|
||
|
||
.85 >STYA ZPPtr1
|
||
|
||
ldy #$ff
|
||
|
||
.83 iny
|
||
lda K.Buf256,y
|
||
sta (ZPPtr1),y
|
||
bne .83
|
||
|
||
>LDYA ZPPtr1
|
||
|
||
clc
|
||
rts
|
||
|
||
.99 lda #$ff SELF MODIFIED
|
||
jsr K.FreeMem
|
||
|
||
lda #E.BADPATH
|
||
sec
|
||
.90 rts
|
||
*--------------------------------------
|
||
K.RealPath.RemoveAtX
|
||
txa X = "/something"
|
||
tay
|
||
.1 iny
|
||
lda K.Buf256,y
|
||
beq .2 found /something\0
|
||
|
||
cmp #'/'
|
||
bne .1 found /something/
|
||
|
||
.2 phx save X for exit
|
||
|
||
.3 iny K.Buf256,y=/ or 0
|
||
inx
|
||
lda K.Buf256-1,y
|
||
sta K.Buf256-1,x
|
||
bne .3
|
||
|
||
txa
|
||
bne .8
|
||
|
||
lda #'/' Make sure we have a least '/' in the buffer
|
||
sta K.Buf256
|
||
stz K.Buf256+1
|
||
|
||
.8 plx restore X
|
||
rts
|
||
*/--------------------------------------
|
||
* # Expand
|
||
* ## C
|
||
* `char *expand(const char *str, char *expanded);`
|
||
* ## ASM
|
||
* `>PUSHW str`
|
||
* `>PUSHW expanded`
|
||
* `>SYSCALL expand`
|
||
* ## RETURN VALUE
|
||
* if expanded == null
|
||
* Y,A = PTR to Expanded String
|
||
* X = hMem to Expanded String
|
||
* if expanded != null
|
||
* Y,A = strlen
|
||
*\--------------------------------------
|
||
K.Expand ldy #2
|
||
lda (pStack),y
|
||
pha
|
||
iny
|
||
lda (pStack),y
|
||
ply
|
||
|
||
jsr K.strdup
|
||
bcc .1
|
||
|
||
jmp .9
|
||
|
||
.1 phx Save temp string...
|
||
>STYA TXTPTR
|
||
|
||
stz ENV.BufPtr init Expanded String len=0
|
||
stz ENV.bExp No var found yet
|
||
stz ENV.bNoExp Reset no expand flag
|
||
|
||
.10 lda (TXTPTR) End of CSTR?
|
||
beq .80
|
||
|
||
jsr SHARED.TXTPTRn
|
||
|
||
.11 cmp #'''
|
||
bne .21
|
||
|
||
lda ENV.bNoExp
|
||
eor #$ff
|
||
sta ENV.bNoExp toggle flag
|
||
bra .10
|
||
|
||
.21 bit ENV.bNoExp
|
||
bpl .23
|
||
|
||
.22 jsr ENV.AddAToBuf
|
||
bra .10
|
||
|
||
.23 cmp #'$' no, found one ?
|
||
bne .22 no, store...
|
||
|
||
lda (TXTPTR)
|
||
bne .24
|
||
|
||
lda #'$' End of string, output $
|
||
bra .22
|
||
|
||
.24
|
||
* sec
|
||
ror ENV.bExp Toggle Expanded flag
|
||
stz ENV.VarEndChar
|
||
cmp #'{' "${VAR]"?
|
||
bne .31
|
||
|
||
dec ENV.VarEndChar "}" expected
|
||
|
||
jsr SHARED.TXTPTRn skip "{"
|
||
bra .40
|
||
|
||
.31 jsr ENV.SysVar 0-9 *#?@$!
|
||
bcs .40
|
||
|
||
.35 jsr SHARED.TXTPTRn skip $x
|
||
bra .10
|
||
|
||
.40 jsr ENV.ExpandStrVar
|
||
bcc .70
|
||
|
||
.50 ldy ENV.BufPtr
|
||
lda /K.Buf256
|
||
>STYA FORPNT
|
||
|
||
ldx #SYS.GetEnv
|
||
jsr K.GetEnv.I
|
||
bcs .70
|
||
|
||
ldx ENV.BufPtr
|
||
|
||
.51 lda K.Buf256,x
|
||
beq .52
|
||
inx
|
||
bra .51
|
||
|
||
.52 stx ENV.BufPtr
|
||
|
||
.70 lda (TXTPTR)
|
||
beq .72
|
||
|
||
jsr SHARED.IsIDValid
|
||
bcs .72
|
||
jsr SHARED.TXTPTRn
|
||
bra .70
|
||
|
||
.72 lda ENV.VarEndChar
|
||
bne .35 skip "}" and loop
|
||
|
||
bra .10
|
||
|
||
.80 ldx ENV.BufPtr
|
||
stz K.Buf256,x
|
||
|
||
pla discard temp string
|
||
jsr K.FreeMem
|
||
|
||
bit ENV.bExp Did we expand something ?
|
||
bpl .81
|
||
|
||
jsr STRING.DupBuf256
|
||
bcs .9
|
||
|
||
jmp .1
|
||
|
||
.81 ldy #1
|
||
lda (pStack),y
|
||
beq .83
|
||
|
||
sta ZPPtr1+1
|
||
lda (pStack)
|
||
sta ZPPtr1
|
||
|
||
ldy #$ff
|
||
|
||
.82 iny
|
||
lda K.Buf256,y
|
||
sta (ZPPtr1),y
|
||
bne .82
|
||
|
||
* Y = len, A = 0
|
||
|
||
bra .9
|
||
|
||
.83 jsr STRING.DupBuf256
|
||
|
||
.9 >RET 4
|
||
*--------------------------------------
|
||
ENV.SysVar jsr ZP.IsDigit $0 ... $9 ?
|
||
bcs .1
|
||
|
||
and #$0f
|
||
|
||
jsr K.ArgV
|
||
bcs .8 Arg# is undefined, do not append anything
|
||
|
||
jsr ENV.AddYAToBuf
|
||
|
||
.8 clc
|
||
rts
|
||
|
||
.1 ldx #ENV.SysVars.Cnt-1
|
||
|
||
.2 cmp ENV.SysVars,x
|
||
beq .3
|
||
dex
|
||
bpl .2
|
||
|
||
sec
|
||
rts
|
||
|
||
.3 txa
|
||
beq ENV.SysVarsAllArgs
|
||
|
||
ldy ENV.SysVars.PS-1,x
|
||
lda (pPS),y
|
||
*--------------------------------------
|
||
ENV.SysVarsNum jsr MATH.A2STR10NP
|
||
|
||
ldy #0
|
||
|
||
.1 lda FOUTBuf,y
|
||
beq ENV.SysVarsNum.8
|
||
|
||
iny
|
||
jsr ENV.AddAToBuf
|
||
bra .1
|
||
|
||
ENV.SysVarsNum.8
|
||
clc
|
||
rts
|
||
*--------------------------------------
|
||
ENV.SysVarsAllArgs
|
||
lda #1
|
||
jsr K.ArgV
|
||
bcs ENV.SysVarsNum.8
|
||
>STYA ZPPtr3
|
||
|
||
.1 lda (ZPPtr3)
|
||
beq ENV.SysVarsNum.8
|
||
|
||
.2 jsr ENV.AddP3ToBuf
|
||
jsr ENV.NextEnvP3
|
||
lda (ZPPtr3)
|
||
beq ENV.SysVarsNum.8
|
||
lda #C.SPACE
|
||
jsr ENV.AddAToBuf
|
||
bra .2
|
||
*--------------------------------------
|
||
ENV.SysVars .AS "*#?@$!"
|
||
ENV.SysVars.Cnt .EQ *-ENV.SysVars
|
||
ENV.SysVars.PS .DA #S.PS.ARGC,#S.PS.RC,#S.PS.PPID,#S.PS.PID,#S.PS.CPID
|
||
*--------------------------------------
|
||
ENV.ExpandStrVar
|
||
>LDYAI ENV.StrVars
|
||
>STYA ZPPtr3
|
||
ldx #0
|
||
|
||
.1 lda (ZPPtr3)
|
||
beq .9
|
||
|
||
ldy #$ff
|
||
.2 iny
|
||
lda (TXTPTR),y
|
||
beq .3
|
||
|
||
jsr SHARED.IsIDValid
|
||
bcs .3
|
||
|
||
cmp (ZPPtr3),y
|
||
beq .2
|
||
|
||
bra .4
|
||
|
||
.3 lda (ZPPtr3),y
|
||
bne .4
|
||
|
||
jmp (ENV.StrVarsJmp,x)
|
||
|
||
.4 inx
|
||
inx
|
||
jsr ENV.NextEnvP3
|
||
bra .1
|
||
|
||
.9 sec
|
||
rts
|
||
*--------------------------------------
|
||
ENV.StrVars .AZ "PWD"
|
||
.DA #0
|
||
*--------------------------------------
|
||
ENV.StrVarsJmp .DA ENV.StrVarsPWD
|
||
*--------------------------------------
|
||
ENV.StrVarsPWD ldy #S.PS.hCWD
|
||
lda (pPS),y
|
||
jsr K.GetMemPtr
|
||
*--------------------------------------
|
||
ENV.AddYAToBuf >STYA ZPPtr3
|
||
*--------------------------------------
|
||
ENV.AddP3ToBuf ldx ENV.BufPtr
|
||
ldy #$ff
|
||
|
||
dex
|
||
|
||
.1 iny
|
||
inx
|
||
lda (ZPPtr3),y
|
||
sta K.Buf256,x
|
||
bne .1
|
||
|
||
stx ENV.BufPtr
|
||
rts
|
||
*--------------------------------------
|
||
ENV.AddAToBuf ldx ENV.BufPtr
|
||
sta K.Buf256,x
|
||
inc ENV.BufPtr
|
||
rts
|
||
*--------------------------------------
|
||
ENV.NextEnvP3 jsr ENV.GetP3LenY
|
||
|
||
tya
|
||
sec
|
||
adc ZPPtr3
|
||
sta ZPPtr3
|
||
bcc .8
|
||
inc ZPPtr3+1
|
||
.8 rts
|
||
*--------------------------------------
|
||
ENV.GetP3LenY ldy #$ff
|
||
.1 iny
|
||
lda (ZPPtr3),y
|
||
bne .1
|
||
rts
|
||
*--------------------------------------
|
||
MAN
|
||
SAVE usr/src/sys/kernel.s.stdlib
|
||
LOAD usr/src/sys/kernel.s
|
||
ASM
|