Noun
(computing, software) Initialism of terminate and stay resident: a type of DOS program that can continue to run all the time, once it is loaded, even while other programs are running.
(rail transport) Initialism of temporary speed restriction.
Source: en.wiktionary.orgAfter Gygax left TSR in 1985, he continued to write a few more Gord the Rogue novels, which were published by New Infinities Productions: Sea of Death (1987), City of Hawks (1987), and Come Endless Darkness (1988). Source: Internet
After leaving TSR in 1985 over issues with its new majority owner, Gygax continued to create role-playing game titles independently, beginning with the multi-genre Dangerous Journeys in 1992. Source: Internet
Borland itself produced a small application suite called Sidekick that was a TSR letting the user keep a diary, notes, and so forth. Source: Internet
A new vision of the Flanaess (1991–1997) In 1990, TSR decided that the decade-old world of Greyhawk needed to be refreshed. Source: Internet
At least one other TSR product was announced -- Metamorphosis Alpha to Omega, an adaptation of Metamorphosis Alpha's campaign setting to Gamma World's rules (Anon 1981). Source: Internet
By this time, it was evident that Gygax and Williams had differing visions of the future of TSR, and Gygax took TSR to court in a bid to block the Blumes' sale of their shares to Williams, but he lost. Source: Internet