Asc: Difference between revisions
From NSIS Wiki
Jump to navigationJump to search
(even simpler) |
|||
| Line 2: | Line 2: | ||
== Description == | == Description == | ||
Returns an Integer representing the character code corresponding to the first letter in a string. | |||
== Syntax == | == Syntax == | ||
Latest revision as of 07:39, 3 August 2007
| Author: nechai (talk, contrib) |
Description
Returns an Integer representing the character code corresponding to the first letter in a string.
Syntax
${Asc} "String"
"String" ; string argument
Stack 1 ; Ascii code
Usage
${Asc} "a" $0 ; returns 97 in $0 ${Asc} "AA" $0 ; returns 65 in $0
The Function
!macro Asc _STRING _RETURN Push ${_STRING} Call Asc Pop ${_RETURN} !macroend !define Asc "!insertmacro Asc" Function Asc ; Returns an Integer representing the character code corresponding to the first letter in a string. ; ; Syntax: ; ${Asc} "String" "Return" ; ; "String" ; string argument ; "Return" ; Variable where the ASCII code is returned. ; ; e.g. ; ${Asc} "a" $0 ; returns 97 in $0 ; ${Asc} "AA" $0 ; returns 65 in $0 ; ; get parameter Exch $0 ; CHAR Push $1 System::Call "*(&t1 r0)i.r1" System::Call "*$1(&i1 .r0)" System::Free $1 Pop $1 Exch $0 FunctionEnd
