Gentle Breeze

7bit n-byte 한글방식은, 제어문제로 한글과 영문을 구분하기 위해 SI(shift in), SO(shift out) 를 이용해 모드 전환을 하고 한글코드와 영어코드(아스키코드등)를 같은값을 쓰는 방식이다. 영문 영역(0~127)을 이용해 표현하기 때문에 7bit n-byte 한글방식이라고 불리며 초기에는 자음, 모음을 각각 하나의 바이트로 취급해 표현이 가장 쉬운 장점을 가지고 있었다. english... 한글 한글 즉, euc-kr 과는 달리 각각 1BYTE 씩을 차지하는 SO, SI 를 두어 한글을 나타내는 방식이다. 위의 그림에서 보다시피 한글로 된 부분 앞 뒤의 '》','《' 로 표시 된 부분이.. SO/SI 부분이 되겠다. 이로 인해 예를 들어 MCI 를 통해 SO/SI 가 처리되지 않은..

▶ PERFORM with UNTIL phrase In the UNTIL phrase format, the procedures referred to are performed until the condition specified by the UNTIL phrase is true. Control is then passed to the next executable statement following the PERFORM statement. If procedure-name-1 is specified, imperative-statement-1 and the END-PERFORM phrase must not be specified. condition-1 Can be any condition described und..

▶ PERFORM with VARYING phrase The VARYING phrase increases or decreases the value of one or more identifiers or index-names, according to certain rules. The format-4 VARYING phrase PERFORM statement can serially search an entire seven-dimensional table. If procedure-name-1 is specified, imperative-statement-1 and the END-PERFORM phrase must not be specified. If procedure-name-1 is omitted, the A..

▶ PERFORM with TIMES phrase The procedures referred to in the TIMES phrase PERFORM statement are executed the number of times specified by the value in identifier-1 or integer-1. Control then passes to the next executable statement following the PERFORM statement. If procedure-name-1 is specified, imperative-statement-1 and the END-PERFORM phrase must not be specified. identifier-1 Must name an ..

▶ END-PERFORM Delimits the scope of the in-line PERFORM statement. Execution of an in-line PERFORM is completed after the last statement contained within it has been executed.