Questions tagged [trs-80-model-iii]
For questions regarding the TRS-80 Micro Computer System Model III computer sold by Tandy Corporation
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Do TRS-80 Model I and Model III load and execute /CMD files using specific memory addresses?
/CMD files on the various TRS-80 Model I and III OSes are machine code command files.
They seem to have some internal format but not really a file header.
They often start with 01 02 and then a 16-...
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In TRS-80 parlance when talking about disks, what are "granules" and "lumps"?
In my reading to try to learn about the disk layout, directory, and boot process of TRS-80 Model I and Model III, I see some unusual words come up again and again.
Along with the common terms "track" ...
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What is the process for TRS-80 Model I & III to boot from disk?
I can find enough mentions of bootable disks for TRS-80 Model I and Model III to be confident that they could boot from disk, but so far I'm failing to find much info on how that worked.
In ...
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What is the layout of the directory track on a TRS-80 Model I/Model III disk?
I've decided to add support for some more classic Z80 computers I used to use to my Ghidra modules, and the first Z80 systems I used were the TRS-80 model I and model III.
I've found documentation ...
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Could you manually eject a floppy quick enough to prevent data loss?
I have the vague recollection of "Panic Ejecting" floppy disks by lifting the latch on the drive after immediately regretting a command I had typed. At the time, I was young, impulsive, and blessed ...
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How much control of TRS-80 Model III disk drives was possible from its Cassette (ROM) BASIC?
How much control over the TRS-80 Model III's floppy drive controller can be effected via relatively simple commands, typed into its built-in Cassette BASIC?
My understanding is that general usage of ...
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What to check before powering on TRS80 Model III in unknown condition [duplicate]
Having managed to source a TRS-80 Model III that I'm told hasn't been powered on for quite some time (and I suspect this is a massive understatement), I'm worried that the first thing that might ...
user6464
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How much did the TRS-80 Model III weigh?
How much did the Radio Shack TRS-80 Model III weigh? I imagine it must have been quite a lot, with the computer, monitor, power supply and up to 2 disk drives all in the same case, but I haven't been ...
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Who coined the nickname "Trash-80" and what was the source of their animosity?
In the U.S. in the early 1980's (1980-1982, roughly), the TRS-80 Model I/III computers were commonly referred to by teens and youngsters as the "Trash-80". The best reason I can attribute to this ...
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How to use virtual cassettes with Matthew Reed's TRS-80 Model III emulator? (TRS32)
I'm fooling around with Matthew Reed's TRS-80 Model 1/III/4 emulator for Windows (TRS32) and am have trouble using virtual cassettes. I am using it to emulate a Model III with Level II BASIC.
I have ...
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