Two byte instructions , Electrical Engineering

Two byte  Instructions

In these  instruction the first byte  specifies  the operations code  and the  second byte  specifies the operand. To identify  two byte  instructions one must  observe followings  things.

The instruction have 8 bit  data as their  operand  and have I n their  mnemonics for example MVI ADI, SUI  etc are two  byte  instructions ( but  not LXI as it  has 16 bit data as its  operand).

The  instructions  have 8 bit   port address  as their  operand e g IN and OUT  instructions.

Since  each memory  locations may  store  only byte  hence  two byte instructions  require two memory  locations to store  them  in memory.

Suppose  instruction MVI, A, 8 bit  data is to be stored  at memory  location  2000 H.  It will  be stored  as shown  below.

 

 

Posted Date: 4/5/2013 2:55:10 AM | Location : United States







Related Discussions:- Two byte instructions , Assignment Help, Ask Question on Two byte instructions , Get Answer, Expert's Help, Two byte instructions Discussions

Write discussion on Two byte instructions
Your posts are moderated
Related Questions
Characteristics of magnetic field / flux lines: i.  Forming a closing loop ii. Did not crossed against each other iii. Has a certain direction iv. Repel among one anot

Q. Consider the inverting integrator circuit shown in Figure. Let C = 0.4µF and R = 0.1M. Sketch v o for a period of 0.5 s after the application of a constant input of 2 V at the

Why maximum power output is given by a machine at an efficiency of 50 percent?

Explain about the typical embedded system hardware unit. Typical Embedded System Hardware Unit: Program Flow and data path Control Unit (CU): comprises a fetch unit for fetc

Prepare a User Requirement Specification for the monitor and alarm system. User Requirements Specification should be written in a clear and unambiguous manner to state: • The

Change in an organisation: Change might be perceived in two ways: Change as continuous and intrinsic to an organisation and change as discontinuous & extrinsic. A force

Charge density I n a semiconductor

banking system is the collection of financial entities, infrastructure and practices which support financial transactions . system tech is a software system to handle their transa

Indirect Addressing In this  addressing  mo e also ne  of the  operands is the  stored in the memory. The memory  address of the  operand  is specified  by the  register pair.

Solve using data from the DC machine data sheet, using the "hot" resistance value for all calculations. Note that the value of K on the sheet is for rated (100%) field flux. Assum