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Task/Factorial/Computer-zero-Assembly/factorial-1.computer

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+        LDA  x
+        BRZ  done_i   ; 0! = 1
+
+        STA  i
+
+loop_i: LDA  fact
+        STA  n
+
+        LDA  i
+        SUB  one
+        BRZ  done_i
+
+        STA  j
+
+loop_j: LDA  fact
+        ADD  n
+        STA  fact
+
+        LDA  j
+        SUB  one
+        BRZ  done_j
+
+        STA  j
+        JMP  loop_j
+
+done_j: LDA  i
+        SUB  one
+        STA  i
+
+        JMP  loop_i
+
+done_i: LDA  fact
+        STP
+
+one:         1
+
+fact:        1
+
+i:           0
+j:           0
+n:           0
+
+x:           5