Interrupt Structure of 8086: An Interrupt Structure of 8086 can come from any one the three sources : External signal Special Instruction in the program Condition produced by instruction External…
Assembly Language Programming Articles: Program Development and Execution: The steps involved in Program Development and Execution of assembly language programs. Fig. 8.1 shows these steps. The left side of the…
8086 Instruction Set Articles: Data Transfer Instructions in 8086: The Data Transfer Instructions in 8086 are a) General Purpose Byte or Word Transfer Instructions: MOV PUSH POP XCHG XLAT MOV…
8086 External Hardware Synchronization Instructions: The 8086 External Hardware Synchronization Instructions are namely HLT WAIT ESC LOCK NOP HLT Instruction : The HLT instruction will cause the 8086 to stop fetching…
Types of Interrupts in 8085: The 8085 has multilevel interrupt system. It supports two Types of Interrupts in 8085: Hardware Software Hardware : Some pins on the 8085 allow, peripheral…
Polling and Interrupts: In Polling and Interrupts of the microprocessor's software simply checks each of the I/O devices every so often. During this check, the microprocessor tests to see if…
Input Output Transfer Techniques: In Input Output Transfer Techniques, the system requires the transfer of data between external circuitry and the microprocessor. In this section, we will discuss different ways…
Input Output Interfacing Techniques: The most of the microprocessors support isolated I/O system. It partitions memory from I/O, via software, by having instructions that specifically access (address) memory, and others…