subb 8051
The SUBB instruction subtracts the specified byte variable and the carry flag from the accumulator. The result is stored in the accumulator. This instruction sets ... , 8051 的SUBB問題. mov A,#1AH. mov 30H,#212. subb a,30H. Q1:以上為啥A的結果 ...
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 subb 8051 相關參考資料
8051 Instruction Set
Description: SUBB subtract the value of operand and the Carry Flag from the value of the Accumulator, leaving the resulting value in the Accumulator. The value ... https://www.win.tue.nl 8051 Instruction Set Manual: SUBB - Keil
The SUBB instruction subtracts the specified byte variable and the carry flag from the accumulator. The result is stored in the accumulator. This instruction sets ... http://www.keil.com 8051 的SUBB問題| Yahoo奇摩知識+
8051 的SUBB問題. mov A,#1AH. mov 30H,#212. subb a,30H. Q1:以上為啥A的結果 ... https://tw.answers.yahoo.com 8051指令@ 世哲的部落格:: 隨意窩Xuite日誌
... A←A+Ri+C 12 ADDC A,#data A←A+data+C 12 SUBB A,Rn A←A-Rn-C 12 SUBB A,direct A←A-direct-C 12 SUBB A,@Ri A←A-Ri-C 12 @ @ weslyyen0704. https://blog.xuite.net 8051指令表_百度文库
... #data SUBB A, Rn C-2 8051 實作與燒錄器製作指SUBB SUBB SUBB INC A INC Rn INC direct INC @Ri DEC DEC DEC DEC MUL DIV AB DA ANL ANL ANL ... https://wenku.baidu.com 8051指令集- IT閱讀 - ITREAD01.COM
SUBB A,Rn A←A-Rn-C 12. SUBB A,direct A←A-direct-C 12. SUBB A,@Ri A←A-Ri-C 12. SUBB A,#data A←A-data-C 12. INC A A←A+1 12 https://www.itread01.com 8051指令集- 趙文志的數位歷程檔 - 高雄市立中正高工
8051指令集. by 趙文志 2012-02-13 10:59:35, 回應(0), 人氣(1813). 8051指令 ... 96 + i, SUBB, A, @Ri, 1, CY, AC, OV, P, 1. 95, SUBB, A, direct, 2, CY, AC, OV, P, 1. http://sites.ccvs.kh.edu.tw The 8051 Microcontroller - 第 180 頁 - Google 圖書結果
The following example shows a positive overflow : SUBB + 087d = - 052d = + 139d 01010111b ( Carry flag = 0 before SUBB ) = 11001100b 1 ) 10001011b ... https://books.google.com.tw 指令差異說明
SUBB A,Rn. Subtract register from ACC with borrow. 1. 2. SUBB A,direct. Subtract direct byte from ACC ... 指令. 指令長度. 82G516執行週期. 標準8051執行週期. http://faculty.stust.edu.tw 算數運算(減法一) - 旗威科技有限公司Chipware Systems Inc.
個方式可以利用SUBB 的指令做到，它的運算方式是先減去CY 旗標的值，再進行 ... 到的結果應該都是一樣的，所以在8051 裡如果要進行減法的話，您也可以這樣寫：. http://www.chipware.com.tw |