2. Arithmetic operation on two 16 bit numbers . a) Addition of two 16 bit numbers . Aim: To write assembly langua ge program for addition of two 16 bit numbers . Statement: Write an ALP to add two 16 bit numbers where the first number is stored in memory location 2501H (LSB) and 2502H (MSB).
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The MP performs serial data input or output (one bit at a time). In serial transmission, data bits are sent over a single line, one bit at a time. The 8085 has two signals to implement the serial transmission: SID (serial input data) and SOD (serial output data).
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2a.1) Write an ALP for Adding Two 16-Bit Data, We need to be concerned With the Propagation of a Carry from Lower Byte to the Higher Byte. ; The Instruction Addc(Add With Carry) Is Used On Such Occasions. ORG 0000H LJMP RESET_VECTOR ORG 0030H RESET_VECTOR: MOV SP,#5FH ; ASSIGN 32 BYTES FOR STACK 60H TO 7FH
6. Attempt any TWO of the following: 16 a) With neat diagram, describe minimum mode operation of 8086. List signals of maximum mode of 8086. b) Write an assembly language program to count even number in an array of five 16-bit number. Also draw the flowchart for the same.
a. Addition of Two 8-Bit Numbers. b. Addition of Two 16-Bit Numbers. (With Carry) 2. Write a Program Using 8085 & Verify for : a. Subtraction of Two 8-Bit Numbers. (Display Of Borrow) b. Subtraction of Two 16-Bit Numbers. (Display Of Borrow) 3. Write a Program Using 8085 & Test for Typical Data: a.
- 8085 Programming Model - Address Bus and Data Bus - Types of Instructions in 8085 ... Addition of two 16-bit numbers with carry (Direct Addressing Mode)
The 8085 has six general purpose registers to store 8-bit data during program execution. These registers are identified as B, C, D, E, H and L. they can be combined as BC, DE and HL to perform 16-bit operation.