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C!T ROM 5
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ALIB30B
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STR24.ASM
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Assembly Source File
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1994-10-15
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1KB
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53 lines
page 66,132
;******************************** STR24.ASM *********************************
LIBSEG segment byte public "LIB"
assume cs:LIBSEG , ds:nothing
;----------------------------------------------------------------------------
.xlist
include mac.inc
include common.inc
.list
;----------------------------------------------------------------------------
extrn strlen1:far
comment
;- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -( STRING )
STR_CLEANL - remove leading blanks from an ASCIIZ string
;
; inputs: DS:[SI] pointing to string
;
; output: CX = string length
;* * * * * * * * * * * * * *
PUBLIC STR_CLEANL
STR_CLEANL PROC FAR
APUSH AX,BX,DI,SI
CLD
PUSH ES
CALL strlen1
PUSH DS
POP ES
MOV DI,SI
;; MOV SI,BX
MOV BX,CX
JCXZ scr_exit
MOV AL,20h ; ' '
REPZ SCASB
JZ scr_exit
INC CX
MOV BX,CX
DEC DI
XCHG SI,DI
INC CX
REPZ MOVSB
scr_exit:
MOV CX,BX
POP ES
APOP SI,DI,BX,AX
RETF
STR_CLEANL ENDP
LIBSEG ENDS
end