AEDIT-86User's Guide

Editing Commands

margins or from line to line if necessary. The first line is indented according to the value of indent. Words are moved to the left as much as possible. Words are not split and lines are not right-justified.

Justify

Press J to perform justification. The first step is as described in the filling process. The second step is performed separately for each line: words are shifted to the right (if necessary), and the space between words expanded so that the last word of every line ends at the right margin and the spaces between words are approximately even. The last line of the paragraph is not right-justified.

3.26 WINDOW Command

To invoke the WINDOW command, press W. It splits (horizontally) the text area of the screen into two partitions. Each partition or window contains the text, message, and prompt sections. The WINDO\V command allows you to view two different parts of the same file or two different files, using the main file and the OTHER file. You may, for example, view errors in a listing file in one window and correct the source file in the other window. The existence or absence of windows does not affect the editing commands. You may think of each window as a narrower screen.

The screen is split above the cursor row. If the cursor is placed so that one window's size is less than five rows, the screen is not split, and the message "window too small" is displayed. After the screen is split. pressing W causes the cursor to jump between the two windows.

At any given time, only one window is active-the window containing the cursor.

When the screen is split using the WINDOW command, the view row is determined separately for each window by a formula based on the current view row and the window size.

If the same file is displayed in both windows, a change in one window is not reflected in the other window until you press Wand jump to the other window.

To return to viewing one screen, see the KILL_WND command.

Related Commands. KILL_WND, SET Viewrow, VIEW

3.27 KILL_WND Command

To invoke the KILL_WND command, press K. It returns the screen to one window. The current (active) window is the dominant one. When the KILL_WND command is given, the current window is extended to fill the screen; the cursor remains in its current position. If the file displayed in the current window is at the beginning of the file when the KILL_WND command is given, it scrolls upward to fill the entire screen. This mechanism is indifferent to whether the t'Yo windows display two different files or not.

Related Command. WINDOW

3-27

Page 56 Page 58
Page 57
Image 57
Intel AEDIT-86 manual Window Command, Killwnd Command, Justify
Page 56 Page 58

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.
Top Page Image Contents