AEDIT-86 User's Guide

Editing Commands

deleted, moved, or copied. The Buffer subcommand copies the delimited section to the Block buffer. The Delete subcommand deletes the delimited section and places it in the Block buffer. The Put subcommand copies the section to an external file.

The commands (- )FIN D, JUMP, and the cursor movement commands <LEFT) ,

<RIGHT), <UP). <DO\VN ), < HOME). and <RETURN) work the same as at main command le\ t:1.

Text saved in the Block buffer (or in an external file) can be retrieved with the GET command. The GET command copies the contents of the Block buffer (or external file) at the current cursor position in your file.

Pressing < lSC) returns the editor to main command level with the cursor left in its current position.

Pressing <CTR L-C) returns the editor to main command level with the cursor at its original position at the beginning of the delimited section.

3. 16. 1 Block Buffer

The Block buffer is the buffer associated with the BLOCK and DELETE (and GET) commands. It has a fixed maximum size of 2 Kbytes. If the section to be copied to the Block buffer is over 2 Kbytes, the remainder is written to a temporary work file. The contents of the buffer remain unchanged until you execute another BLOCK or DELETE command. when a new section of text is written to the buffer, overwriting the old contents.

3.16.2 Description

To delimit a section of text. move the cursor to the first character of the section. Press B or D; the @ sign serves as the delimiter and replaces the character marking one endpoint of the block. Endpoints can be set in either order; this example sets the beginning endpoint first.

Press B (or D); AEDIT-86 prompts-

Buffer Delete r i n d - fin d Jump Put

Move the cursor to the character immediately after the block to be delimited. The character under the first @ sign is included in the block, but the character under the second @" is not.

Now specify one of the subcommands by pressing the initial letter of that subcom- mand.

Count. The BLOCK command ignores count.

Related Command. GET

Buffer

To execute the Buffer subcommand, press B. It copies text to the Block buffer. The

@signs are removed: the delimited section of text is copied to the Block buffer. The delimited section of text is not affected.

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Intel AEDIT-86 manual Block Buffer, Buffer Delete r i n d fin d Jump Put

AEDIT-86 specifications

The Intel AEDIT-86, also known as the Intel 8086, is a notable microprocessor that played a critical role in shaping the computing landscape. Released in 1978, it was Intel's first 16-bit microprocessor, setting the stage for the x86 architecture that continues to influence modern computing.

One of the main features of the AEDIT-86 is its 16-bit architecture, which allows it to process data in larger chunks compared to its 8-bit predecessors. This capability not only improves performance but also increases the amount of memory that can be addressed, allowing for a maximum of 1 MB of RAM. This was a significant advancement at the time, enabling more complex software and operating systems to run efficiently.

The AEDIT-86 is built on a 3-micron process technology, which was innovative for its time and contributed to its performance capabilities. The microprocessor operates at a clock speed of up to 5 MHz, which allowed it to execute more instructions per second than previous generations of processors. This speed, combined with its wide data bus (16 bits), enables the processor to handle a larger volume of information more quickly.

Intel incorporated several key technologies in the AEDIT-86, including segmentation. This feature divides the memory into different segments, making it easier for programs to access data and improving memory management. The AEDIT-86 also supports a minimum of four 64 KB segments, which enhances the organization and access of programs and data in memory.

Another significant aspect of the AEDIT-86 is its compatibility with the existing 8080 and 8085 instruction sets, which facilitated easier migration for developers and helped the processor gain traction in the market. This backward compatibility allowed existing software to be ported to the new platform with minimal modification.

Furthermore, the Intel AEDIT-86 introduced a powerful instruction set that includes both integer and string manipulation commands, paving the way for more versatile programming. The instruction set architecture (ISA) of the AEDIT-86 supports both high-level programming languages and low-level assembly language, offering flexibility for various applications.

In summary, the Intel AEDIT-86 is a groundbreaking microprocessor known for its 16-bit architecture, advanced segmentation technology, and compatibility with earlier instruction sets. Its introduction marked the beginning of the x86 architecture, which has influenced countless processors and computing systems that followed. The AEDIT-86's features and technologies were instrumental in the evolution of personal computing, laying the groundwork for future innovations in the industry.