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scripts default iconExtended Brookshear Machine emulator and assembler (Scripts) Publisher's description

This is an emulator for the machine described in Computer Science: An Overview, 10th edition, by J

This is an emulator for the machine described in Computer Science: An Overview, 10th edition, by J. Glenn Brookshear (Pearson Education, 2008). It is extended with some additional instructions and the machine is equipped with a bitmapped display.

The emulator is intended for teaching and learning. It has been used successfully in an introductory computer systems course in the first term (semester) of a computer science programme.

The machine has 256 1-byte memory cells, 16 1-byte registers, and an instruction set with 16 operations. It may be programmed by entering machine code into the emulator, or using a simple assembly language.

The emulator is managed using a GUI, started by executing bmachine, which is in the top level of the directory. The GUI allows memory and register contents to be viewed in a variety of ways (as binary, hex, ASCII, signed integers or floats). Machine code in memory is also displayed as descriptive text or as assembly language instructions. Memory can be updated directly by editing the fields in the emulator, and individual instructions can be executed to see their effect on memory and registers; alternatively, programs may be executed sequentially.

A simple assembler is also provided. Assembly language may be read from a text file and loaded into memory. Two example programs are provided, and HTML documents describing the machine, its emulator and the assembler can be displayed from the GUI.

A 32x32 binary bitmapped display shows the contents of the upper half of memory. This allows programs to create simple graphics. This allows interesting student exercises to be set.

System Requirements:

MATLAB 7.7 (R2008b)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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