mirror of
https://github.com/A2osX/A2osX.git
synced 2024-10-30 16:25:38 +00:00
280 lines
6.6 KiB
Plaintext
280 lines
6.6 KiB
Plaintext
PR#3
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PREFIX /A2OSX.SRC
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NEW
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INC 1
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AUTO 6
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.LIST OFF
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*--------------------------------------
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* K.NewPStrYA
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* IN:
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* Y,A = PTR to buffer
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* OUT:
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* Y,A = PTR to String
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* X = hMem (PSTRING)
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*--------------------------------------
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K.NewPStrYA >STYA ZPQuickPtr1
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lda (ZPQuickPtr1)
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inc
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tay
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lda #0 Y,A = len of new string
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>PUSHYA
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>PUSHBI 0 0 = no option
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jsr K.GetMem
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bcs .9
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>STYA ZPQuickPtr2
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jsr K.PStrCpyPtr1Ptr2
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>LDYA ZPQuickPtr2
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clc
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rts
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.9 sec
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rts
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*--------------------------------------
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* K.PStrCpy
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* IN:
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* PULLW = PSTR to DST (PSTRING)
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* PULLW = PSTR to SRC (PSTRING)
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* OUT:
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* DST = SRC (PSTRING)
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*--------------------------------------
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K.PStrCpy >PULLW ZPQuickPtr2 save DST
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>PULLW ZPQuickPtr1 save SRC
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K.PStrCpyPtr1Ptr2
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lda (ZPQuickPtr1)
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sta (ZPQuickPtr2)
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tay
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beq .2
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.1 lda (ZPQuickPtr1),y
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sta (ZPQuickPtr2),y
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dey
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bne .1
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.2 clc
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rts
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*--------------------------------------
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* K.PStrCat
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* IN:
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* PULLW = PSTR to DST (PSTRING)
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* PULLW = PSTR to SRC (PSTRING)
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* OUT:
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* DST = DST+SRC (PSTRING)
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*--------------------------------------
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K.PStrCat >PULLW ZPQuickPtr2 save DST
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>PULLW ZPQuickPtr1 save SRC
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lda (ZPQuickPtr1)
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tax
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lda (ZPQuickPtr2)
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tay
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.1 cpy #255
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beq .8
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iny
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inc ZPQuickPtr1
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bne .2
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inc ZPQuickPtr1+1
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.2 lda (ZPQuickPtr1)
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sta (ZPQuickPtr2),y
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dex
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bne .1
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.8 tya
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sta (ZPQuickPtr2)
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clc
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rts
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*--------------------------------------
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* K.PStrMatch
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* IN:
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* PULLB = PTR to String (PSTRING)
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* PULLB = PTR to Pattern (PSTRING)
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* OUT:
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* cc = match
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* cs = no match
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*--------------------------------------
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K.PStrMatch >PULLW ZPQuickPtr2 pull String
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>PULLW ZPQuickPtr1 pull Pattern
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lda (ZPQuickPTR1) Keep Pattern Length in X
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tax
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beq .8 Match always if empty
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ldy #0
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.1 inc ZPQuickPTR1 Make PTR1 advance to next char
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bne .2
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inc ZPQuickPTR1+1
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.2 lda (ZPQuickPTR1) get pattern char
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cmp #'*'
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beq .5
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.3 tya we must match ? or regular char
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cmp (ZPQuickPTR2) check if at end of string
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beq .9 yes, no char left, exit with error
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iny advance to next char to compare
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lda (ZPQuickPTR1) get back pattern char
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cmp #'?'
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beq .4 no need to compare, any char will match
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cmp (ZPQuickPTR2),y Regular Char, compare with string at Y
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bne .9 no match, exit
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.4 dex char matched, check if end of pattern
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bne .1 continue if remaining char in pattern
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tya end of pattern, but end of string ?
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cmp (ZPQuickPTR2) end of string ?
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beq .8 yes, string matched entirely
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bra .9 no, remaining char in string, no match
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.5 dex we have '*', last char of pattern ?
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beq .8 yes, match everything, including empty string
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inc ZPQuickPTR1 Make PTR1 advance to next char
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bne .6
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inc ZPQuickPTR1+1
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.6 lda (ZPQuickPTR1) get next char of pattern
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cmp #'*' another '*' ?
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beq .5 yes, '**' = '*', go next char
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cmp #'?' '*?' ??? we must match a least one char
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beq .3
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.7 tya we need at least one remaining char in string,
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cmp (ZPQuickPTR2) check if at end of string
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beq .9 no chance to match ? or regular char
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iny
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lda (ZPQuickPTR1) get again char in pattern
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cmp (ZPQuickPTR2),y compare with char in string
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bne .7 not equal to next non wildcard in pattern
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bra .4 go check remaining char in pattern...
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.8 clc
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rts
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.9 sec
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rts
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*--------------------------------------
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* K.PStrUprYA
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* K.PStrLwrYA
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* IN:
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* Y,A = PTR to String (PSTRING)
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* OUT:
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* Uppercased/lowercased String in Buffer
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*--------------------------------------
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K.PStrUprYA ldx #0
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.HS 2C bit abs
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K.PStrLwrYA ldx #2
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>STYA ZPQuickPtr1
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lda (ZPQuickPtr1)
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tay
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.1 lda (ZPQuickPtr1),y
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cmp K.PStrUprLwr,x
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bcc .2
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cmp K.PStrUprLwr+1,x
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bcs .2
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eor #$20
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sta (ZPQuickPtr1),y
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.2 dey
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bne .1
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clc
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rts
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*--------------------------------------
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K.PStrUprLwr .AS "azAZ"
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*--------------------------------------
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* K.PStr2StrArrayYA
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* In :
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* Y,A = PTR to String
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* Out :
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* Y,A = PTR to StrArray
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* X = hMem
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*--------------------------------------
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K.PStr2StrArrayYA
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>STYA ZPQuickPtr1
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lda (ZPQuickPtr1) Get mem size STRLEN+1
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ldx #0
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inc
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bne .1
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inx
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.1 >PUSHAX
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>PUSHBI 0
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jsr K.GetMem
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bcs .9
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phx save hMem
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phy save PTR.LO
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pha save PTR.HI
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>STYA ZPQuickPtr2
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lda (ZPQuickPtr1)
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tax count in src string
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beq .8
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ldy #0 reset index in dst token
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.3 inc ZPQuickPtr1 get...
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bne .4
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inc ZPQuickPtr1+1
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.4 lda (ZPQuickPtr1) ...next char
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cmp #' ' found a space ?
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bne .6
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tya in a token ?
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beq .7 no, skip & go to next char
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sta (ZPQuickPtr2) yes, set this token len
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sec
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adc ZPQuickPtr2 advance to next token
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sta ZPQuickPtr2
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bcc .5
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inc ZPQuickPtr2+1
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.5 ldy #0 reset index in dst token
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bra .7
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.6 iny add char to token
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sta (ZPQuickPtr2),y
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.7 dex end of src string?
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bne .3 no...next char...
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tya yes, are we in a token ?
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beq .8
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sta (ZPQuickPtr2) yes, set last token len
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sec
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adc ZPQuickPtr2 advance to next token
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sta ZPQuickPtr2
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bcc .8
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inc ZPQuickPtr2+1
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.8 lda #0
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sta (ZPQuickPtr2) set Array Ending 0
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pla get back PTR.HI
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ply get back PTR.LO
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plx get back hMem
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clc
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.9 rts
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*--------------------------------------
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MAN
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SAVE SYS/KERNEL.S.STR
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LOAD SYS/KERNEL.S
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ASM
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