ex3_7.asm

	; Use opcode offset to jump to destination
data segment
num		db		78h
addrs	dw		offset func0, offset func1, offset func2, offset func3
		dw		offset func4, offset func5, offset func6, offset func7
		
data ends

stack1	segment para stack
			dw	10h		dup(0)
stack1 ends

codeseg	segment
start:
	assume cs:codeseg, ds:data, ss:stack1
	mov		ax,		data
	mov		ds,		ax
	xor		di,		di
	mov		bl,		num
	test	bl,		0ffh
	jz disp
next_bit:
	; Deal with one bit
	shr		bl,		1
	jc redirect
	inc di
	jmp	next_bit
redirect:
	shl		di,		1
	jmp	addrs[di]

	; Address table
func0:
	mov		dl,		'0'
	jmp	disp
func1:
	mov		dl,		'1'
	jmp	disp
func2:
	mov		dl,		'2'
	jmp	disp
func3:
	mov		dl,		'3'
	jmp	disp
func4:
	mov		dl,		'4'
	jmp	disp
func5:
	mov		dl,		'5'
	jmp	disp
func6:
	mov		dl,		'6'
	jmp	disp
func7:
	mov		dl,		'7'
	jmp	disp
func8:
	mov		dl,		'8'
	jmp	disp
func9:
	mov		dl,		'9'
	jmp	disp

disp:
	mov		ah,		02h
	int 21h
	mov		ah,		4ch
	int 21h


codeseg ends
	end start