1.9.txt

COBOL实验源码

DISPLAY   ZERO


			A在内存中字节数		结果
MOVE  ZERO TO A			4		0000  (每个字节都是0)
MOVE ZEROS TO A			1		0

MOVE SPACE TO A			4		四个空格
MOVE SPACE TO A			1		一个空格

MOVE HIGH-VALUE TO A		4		每个字节二进制都是11111111
MOVE LOW-VALUE TO A		4		每个字节二进制都是00000000

MOVE QUOTE TO A			4		''''  (四个单引号)

MOVE ALL  '*'  TO  A		4		****
MOVE ALL  'AB'  TO  A		4		ABAB
MOVE ALL  'ABC'  TO  A		5		ABCAB