;
;	CPE 221 Assembly Example
;	
;	This program calculates a tax rate based on the value of income as
;      follows.
;      if (income < level1)
;        tax = 0;
;      else 
;        if (income < level2)
;          tax = 5;
;        else
;          tax = 10;
;

        .org  200
income: .dc  25000
level1: .dc  15000 
level2: .dc  25000
tax:    .dw  1
orig:  .org  1000
       la    r31, done
       la    r30, five
       la    r6, tax
       ld    r7, income
       ld    r8, level1
       ld    r9, level2
       la    r10, 0
       sub   r11, r7, r8
       brmi  r31, r11
       sub   r11, r7, r9
       brmi  r30, r11
       la    r10, 10
       br    r31
five:  la    r10, 5
done:  st    r10, 0(r6)
       stop