#Edito

TABLE OF CONTENTS

[author : Edward Mitchell]

Concluding the four-part series on his tiny language, author Mitchell describes the internal operation of the Augusta compiler. Included are details of the lexical analyzer, the symbol table, code generation, and backpatching techniques, as well as some personal comments on Ada, Microsoft BASIC, and overall development of the compiler.

[author : Edward K. Ream]

In our January 1982 issue the author described ED2, his public-domain text editor. Extensive improvements produced RED, including new buffer routines which remove all restrictions on the size of files which may be edited. This month the author discusses those virtual memory routines, and a code-saving method of error recovery. The rest of RED will be discussed next month.

[author : Richard Shiffman]

In past issues we have presented various methods for drawing lines and circles. This article presents a slightly different angle, providing BASIC implementations of both a vector and circle generator.

[author : Steven A. Ruzinsky]

In the June issue, Part I of this series presented a matrix-defining word and a few accessories. This installment introduces programs for performing matrix operations, as well as some more advanced accessories.

[author : Dave Cortesi]

Two Gets You Ten, Cheap Thrills Dept., and the AGGHHH! Program

[author : Robert Blum]

MBOOT Revisited, CP/M Plus Feedback, a bit on CCP replacements, and 64K and Beyond

[author : Ray Duncan]

MS-DOS Rebuttal, 68000 Tools, and Sizing Memory on the IBM PC

[author : Michael Wiesenberg]