Chapter 6 - 6.3 - Assemblers and Assembly Language - Practice Problem - Page 299: 1a

$\begin{array}{lll} {\text { $\qquad $ }} & {\text {INCREMENT } }& {\text {X} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {X:}} & {\text {.DATA} } & {\text {0} } \\ \end{array}$ --- $\text {Another way to do the same thing is}$ $\begin{array}{lll} {\text { $\qquad $ }} & {\text {STORE $\qquad $} }& {\text {X} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {ONE:}} & {\text {.DATA} } & {\text {1} } \\ {\text {X:}} & {\text {.DATA} } & {\text {0} } \\ \end{array}$ $\text {However, the first way is much more efficient. It takes two fewer}$ $\text {instructions and one fewer DATA pseudo-op.}$

$\begin{array}{lll} {\text { $\qquad $ }} & {\text {INCREMENT } }& {\text {X} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {X:}} & {\text {.DATA} } & {\text {0} } \\ \end{array}$ --- $\text {Another way to do the same thing is}$ $\begin{array}{lll} {\text { $\qquad $ }} & {\text {STORE $\qquad $} }& {\text {X} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {}} & {\text {.} } & {\text {} } \\ {\text {ONE:}} & {\text {.DATA} } & {\text {1} } \\ {\text {X:}} & {\text {.DATA} } & {\text {0} } \\ \end{array}$ $\text {However, the first way is much more efficient. It takes two fewer}$ $\text {instructions and one fewer DATA pseudo-op.}$