Issue #79, Fall 1996. Editor's Column And in this issue... Reader to Reader. XT Corner - The PC Serial Port in Forth, by Frank Sergeant. Source in BLOCKS79.ZIP. Program This! - The AT Modem Commands, by David Goodenough. See also trm20.txt, the 1992 Hayes Technical Reference from their BBS. Mr. Kaypro - Internal Modem, by Charles B. Stafford High Speed Modems and CP/M - Using 14.4k Modems with CP/M Modem Programs, by Terry Hazen Simplex III - Homebuilt microcoded TTL processor, Part 2, by Dave Brooks. Center Fold - P112 Z182 CP/M board by Dave Brooks. Real Computing - Real-time Control, by Rick Rodman. Source in RTCS.ZIP. Embedded Development Choices - Low cost software development, by Bill Kibler. Small System Support - C and Assembler, by Ronald W. Anderson. TCJ Store -Things for sale from TCJ. Support Groups for the Classics The Computer Corner - Busy this summer, by Bill Kibler.