机器数字长8位，机器数BAH为补码，算术右移一位得多少 学习编程语言，对于数学和英语有多大关系？
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右移一位，高位不变
11011101 就是 DDH
在8位寄存器中，FEH算术左移一位以后，十六进制码是FCH。
绛旓細銆愮瓟妗堛戯細8浣瀛楅暱鐨勮绠楁満琛ㄧず鏈哄櫒鏁锛屾瘡涓満鍣ㄦ暟鏄8浣嶏紝鏈楂樹綅涓虹鍙蜂綅锛屽悗7浣嶄负鏁板间綅銆傚洜姝+18]鍘=[+18]鍙=[+18]琛=00010010[-18]鍘=10010010[-18]鍙=11101101[-18]琛=11101110[+31]鍘=[+31]鍙=[+31]琛=00011111[-31]鍘=10011111[-31]鍙=11100000[-31]琛=11100001[+127]鍘=[...
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绛旓細绾﹀畾鏈哄櫒鏁板瓧闀8浣 x = 32d = 10 0000b [x]琛 = 0010 0000b -y = -64d = - 100 0000b [-y]鍘 = 1100 0000b [-y]鍙 = 1011 1111b [-y]琛 = 1100 0000b [x]琛 = 0010 0000b [-y]琛 = 1100 0000b (+ --- [x-y]琛 = 1110 0000b [x-y]鍙 = 1101 1111b [...
