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我目前正在研究 MARIE SIMULATOR，我正在尝试获取三个输入的小数，然后将它们全部相乘。我将我的代码保存为 .mas 并尝试组装它。它说我有 1 个错误，但组装清单完全是空的！我发现当我从中删除 Jump OP 时代码会组装并运行，但是，我需要 Jump 才能得到正确的答案。我所看到的每一个地方都写着我有它的跳转，所以我不知道我是否错了，如果我的 Sim 被窃听还是什么。

ORG 100     /Starting point // Gustavo Brandao. No Partners
    Input       /Request user input for first number
    Store   NumA    /Store the number
    Output      /Display number to screen
    Input       /Request user for a second number
    Store   NumB    /Store number
    Output      /Display number
    Input       /Request user for third number
    Store   NumC    /Show number
    Output      /Display number
Loop,   Load    NumA    /Load the first number, will also loop from here
    Add Sum /Add with zero and location which will save the sum
    Store   Sum /Store the sum
    Load    NumB    /Load the second number for the skip condition control
    Subt    One /decrement the number
    Store   NumB    /Store the number. when 0, code will skip the jump
    Skipcond 000    /Skip when the second number reaches zero
    Jump    Loop    /Used to repeat addition until second number reaches zero
    Load    Sum
    Store   NumA    /Storing sum in NumA slot to make code easier to read
Loop,   Load    NumA    /Loading the previous sum
    Add FSum    /Adding previous sum to zero and final sum location
    Store   FSum    /Storing final sum
    Load    NumC    /Second skip condition control
    Subt    One /decrememting number
    Store   NumC    /Storing skip condition
    Skipcond 000    /When the third inputed number is zero, loop will end
    Jump    Loop    /Loops back to second part of code
    Load    FSum    /load the final sum for output
    Output      /Display final sum
    HALT
NumA,   Dec 0   /First number; Will be overwritten with input
NumB,   Dec 0   /Second number
NumC,   Dec 0   /Third number
Sum,    Dec 0   /Stores the sum for the first multiplication process
FSum,   Dec 0   /Stores sum for the second multiplication process
One,    Dec 1   /Used to decrement values
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所以我才意识到我不能在程序中有两个“循环”，因为它不会识别跳转到哪个。我将第二个命名为 Loop2，它起作用了。我得到了错误的答案，但没有什么小小的调整无法解决

于 2016-03-16T23:54:58.067 回答