Video sponsor: PCBWay: $5 for 2 layer PCBs with 24hr turnaround at https://www.pcbway.com/
In this video we try to discover a day to discover the BASIC programs which have been hidden away on ROM modules for 35 years. The programs cannot be directly listed or printed to other methods had to be found. Join us as we try a few methods to recover these ROMs and find out what these programs do.
WARNING: Vintage pocket computers were harmed during the filming of this video!
Timeline:
00:00 – Welcome
01:32 – Types of PC-1500 modules
05:45 – Possible methods of discovering hidden programs
08:35 – Let’s dump some ROMs!
12:56 – Converting ROM dump to BASIC listing
18:39 – Vintage pocket computers were harmed!
22:05 – Wrap up, thanks.
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Links
Silicium forum post: http://silicium.org/forum/viewtopic.php?f=46&t=39076&p=470110&hilit=pc+1500+module+dump#p470110
PC-1500.info post: http://www.pc-1500.info/2015/03/16/edtech-inc-administrator-memory-module/
lhTools: http://www.pc1500.com/lhTools.html
Dumped ROM repo: https://github.com/Jeff-Birt/PC-1500_ROM_Modules
PC-1500 Tech Ref Manual: http://www.pc1500.com/technical_reference_manual.html
PC-1500 HVAC software history: https://www.hvaccomputer.com/hvac/whoweare.asp
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Credits
Chiptune Thing No. 3 "Victory" by Steven O’Brien https://soundcloud.com/stevenobrien
Creative Commons — Attribution 3.0 Unported— CC BY 3.0
http://creativecommons.org/licenses/b...
Music provided by Music for Creators https://youtu.be/ujIMRIJ1JG8