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The Intel 8085 ("eighty-eighty-five") is an 8-bit microprocessor produced by Intel and introduced in March 1976. [2] It is the last 8-bit microprocessor developed by Intel. It is software-binary compatible with the more-famous Intel 8080 with only two minor instructions added to support its added interrupt and serial input/output features.
The instruction set architecture (ISA) that the computer final version (SAP-3) is designed to implement is patterned after and upward compatible with the ISA of the Intel 8080/8085 microprocessor family. Therefore, the instructions implemented in the three SAP computer variations are, in each case, a subset of the 8080/8085 instructions.
The SDK-85 MCS-85 System Design Kit was a single board microcomputer system kit using the Intel 8085 processor, clocked at 3 MHz with a 1.3 μs instruction cycle time. It contained all components required to complete construction of the kit, including LED display, keyboard, resistors, caps, crystal, and miscellaneous hardware.
Below is the full 8086/8088 instruction set of Intel (81 instructions total). [2] These instructions are also available in 32-bit mode, in which they operate on 32-bit registers (eax, ebx, etc.) and values instead of their 16-bit (ax, bx, etc.) counterparts.
In computer programming, machine code is computer code consisting of machine language instructions, which are used to control a computer's central processing unit (CPU). For conventional binary computers , machine code is the binary representation of a computer program which is actually read and interpreted by the computer.
Tandy TRS-80 Model 100 with REXCPM add-on CPM 2.2, 8085 CPU; Technical Design Labs (TDL) XITAN; TeleData (Z80 Laptop) Telenova Compis ; Teleputer III; TeleVideo TS-80x Series; TeleVideo TS-160x Series; TI-99/4A (with the MorningStar CP/M card or the Foundation CP/M card) Tiki-100 (runs KP/M, or later renamed TIKO. A CP/M 2.2 Clone.) TIM-011 ...
Many of the 8080's core machine instructions and concepts survive in the widespread x86 platform. Examples include the registers named A , B , C , and D and many of the flags used to control conditional jumps. 8080 assembly code can still be directly translated into x86 instructions, [ vague ] since all of its core elements are still present.
An instruction set simulator (ISS) is a simulation model, usually coded in a high-level programming language, which mimics the behavior of a mainframe or microprocessor by "reading" instructions and maintaining internal variables which represent the processor's registers.