Monday, June 15, 2020

Episode 36

These are the show notes for Episode 36 of TRS-80 Trash Talk

Direct Episode Link: https://traffic.libsyn.com/0039a239-f654-4839-9e99-4bbcaed9abb3/33980.mp3

Show Title

Episode 36 - New TRS-80 Accessories and John Elliott IV 

Description

In this episode we discuss a bunch of new add-on accessories for the TRS-80, including new versions of the classic CHROMAtrs and XLR8er boards as well as the new Talker/80 voice synthesizer. We also talk about some big Tandy XENIX news as well as the new z80unit assembly language testing framework.  We review the popular TRS-80 hardware hacking book "Hardware Interfacing with the TRS-80".  Finally, Pete interviews former Tandy software engineer John Elliott IV.

Trash Talkers

  • Peter Cetinski
  • Ian Mavric
  • Eric Dittman
  • Aaron Brockbank

Main Topics

TRS-80 Trash Talk has passed 150,000 Downloads!

Tandy Assembly 2020 Plans
http://www.tandyassembly.com

The XENIX 3.2 Development System and XENIX 3.3 Operating System have been recovered
https://github.com/pski/model2archive/tree/master/Software/Xenix/700-3039%20-%20XENIX%20Multi-User%20Operating%20System/v03.03.00

XLR8er is coming back as 4Cellerator for only $USD149.99! 
http://www.trs-80.org/xlr8er/
http://net.pski.retro.s3.us-east-1.amazonaws.com/TRS80TrashTalk/Episode36/XLR8er.png

ChromaTRS is also coming back!

http://www.trs-80.org/chromatrs/
http://net.pski.retro.s3.us-east-1.amazonaws.com/TRS80TrashTalk/Episode36/CHROMAtrs.png 

Tim Halloran's z80unit
https://github.com/hallorant/bigmit/tree/master/z80unit

Talker/80
https://github.com/lambdamikel/Talker-80

The RCA TV monitor used for the Model I Video Display.
https://www.facebook.com/groups/444560212348840/permalink/1689957987809050/
http://net.pski.retro.s3.us-east-1.amazonaws.com/TRS80TrashTalk/Episode36/rca1.jpg
http://net.pski.retro.s3.us-east-1.amazonaws.com/TRS80TrashTalk/Episode36/rca2.png

Interesting eBay sales

4GA or 4D? 
https://www.ebay.com/itm/WORKING-Radio-shack-Tandy-TRS-80-MODEL-4-IIII-microcomputer-with-dustcover/402270071861?hash=item5da92a2c35:g:F1UAAOSw1d5exwyA

Expensive Cassette?
https://www.ebay.com/itm/Radio-Shack-TRS-80-Computer-Cassette-With-Installed-Program-Original-Owner/173798700486?hash=item287735b5c6:g:8GMAAOSwFstcaZ2o

Book Review

"Hardware Interfacing with the TRS-80" by John E. Uffenbeck
https://archive.org/details/Hardware_Interfacing_with_the_TRS-80_1983_Prentice-Hall

Interview

Pete talks to former Tandy software engineer John Elliott IV