ALP Question Midsem '22

.model tiny
.486
.data
dat1 db "SidK123!?#"
dcnt dw 10
small1 db 10 dup(?)
caps1 db 10 dup(?)
num1 db 10 dup(?)
spec1 db 10 dup(?)
stk dw 20 dup(?)
stk2 label word
.code
.startup
	lea si, dat1
	lea di, caps1
	lea bx, small1
	lea dx, num1
	lea bp, spec1
	mov cx, dcnt
x1: call sep1
	loop x1
.exit
sep1 PROC NEAR
	mov al, [si]
	cmp al, 'a'
	jb x2
	cmp al, 'z'
	ja x2
	mov ax, di
	mov di, bx
	movsb
	mov bx, di
	mov di, ax
	jmp xe	
x2: cmp al, '1'
	jb x3
	cmp al, '9'
	ja x3
	mov ax, di
	mov di, dx
	movsb
	mov dx, di
	mov di, ax
	jmp xe
x3: cmp al, 'A'
	jb x4
	cmp al, 'Z'
	ja x4
	movsb
	jmp xe
x4: mov ax, di
	mov di, bp
	movsb
	mov bp, di
	mov di, ax
xe:
	ret
sep1 endp
end