WebUNIVERSITY OF NAMIBIA SCHOOL OF ENGINEERING AND THE BUILT ENVIRONMENT MICROPROCESSOR SYSTEMS TEST 1 : 2 HRS (iii) If the next instruction is ADD AX, 0005H, determine the content of register AX and show how the flags will be affected. [5 Marks] (iv) What is the physical address of the top of the stack. [2 Marks] Q4. (a) … WebAbout Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...
Flag register in 8085 microprocessor - GeeksforGeeks
WebJul 7, 2024 · The Flag or Status register is a 16-bit register which contains 9 flags, and the remaining 7 bits are idle in this register. These flags tell about the status of the processor after any arithmetic or logical operation. IF the flag value is 1, the flag is set, and if it is 0, it is said to be reset. ADVERTISEMENT ADVERTISEMENT Top MCQs C MCQs WebFigure below shows the details of the 16 bit flag register of 8086 CPU. It consists of 9 active flags out of 16. The remaining 7 flags marked ‘U’ are undefined flags. These 9 flags are of two types: 6 Status flags 3 Control flags Status flags: Carry flag (CY)- optical tachometer with remote sensor
FLAG REGISTER OF 8086 MICROPROCESSOR - YouTube
WebDec 28, 2024 · Status Flags : In the flag register, 6 out of 9 flags are used as status flags. When the microprocessor performs an arithmetic or logical operation in ALU, then … WebDec 27, 2024 · Flag register. Let us see briefly each register in the 8086 microprocessor. General Purpose Registers : The 8086 microprocessor has 8 registers each of 8 bits, AH, AL, BH, BL, CH, CL, DH, DL as shown below. Each register can store 8 bits. To store more than 8 bits, we have to use two registers in pairs. There are 4 register pairs AX, BX, CX, … WebFeb 25, 2024 · These are also known as conditional flag registers. Apart from that intel 8086 microprocessor also have some control flags such as trap flag, interrupt flag, and direction flag register. Now let us discuss some general purpose registers. AX (accumulator) is used to store operands. BX (base register) is used to store starting … optical tactile switches