how_shifting_bit

/* i am trying building some code with instruction 'shl' i have a little problem when print second char. this is my code
want somebody correct it...?
regard */
.data
msg: .byte 0b111111 #char'?'
baris_baru: .byte 10
.text
.globl _start
_start:
mov $4, %eax /* fungsi syscall - write */
mov $1, %ebx /* file handler forstdout */

	mov $1, %edx	
	mov $msg, %ecx	
	int $0x80	/* do syscall */
	
	mov $msg,%eax
	mov $1,%cl
	shl %cl,%eax	#eax=111 1110 = '~'
	movzwl %ax,%ecx
	mov $4, %eax	/* fungsi syscall - write */
	int $0x80

/* after char '?' i want print '~'. No output generated what and where it wrong..?*/

	mov $baris_baru,%ecx
	mov $4, %eax	/* fungsi syscall - write */
	int $0x80
	
	mov $1,%eax
	int $0x80

can anybody explain me please..?
regard.
indonesian
=========================================================================
Khusus Pelanggan Telepon DIVRE 2, Tekan 166 untuk mendengarkan pesan Anda.
=========================================================================

xchg this two lines with:

shl %cl,(%eax)
mov %eax,%ecx

Maciej Hrebien