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七段译码指令
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七段译码指令. 设计者 ：马 新荣 学校 ：青海省工业职业技术学校. 七段译码指令. 七段 译码指令的功能是将输入（ IN ）中指定的字节（字节）低 4 位确定的十六进制数（ 16#0 ～ F ）转换生成点亮七段数码管各段的代码，并送到输出（ OUT ）指定的变量中。 七段 数码管的 a 、 b 、 c 、 d 、 e 、 f 、 g 段分别对应于输出字节的第 0 位～第 6 位，输出字节的某位为 1 时，其对应的段亮；输出字节的某位为 0 时，其对应的段暗。将输出字节的第 7 位补 0 ，则构成与七段数码管相对应的 8 位编码，称为七段显示码。.
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七段译码指令
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