TANDY   MC-10

TRS-80 Model IV The Tandy MC 10 (MC means Micro Color) was designed on Motorola 6803 CPU on 0,89 MHz (the last chip in Motorola's 6800 line). It featured 8 KB ROM and 4 KB (upgradable to 16 KB) RAM.

EMULATORS
Virtual MC-10 0.68 Emulator for Windows (freeware) Author's page

PROGRAM  RESOURCES
N/A ROM images



DRAGON and TANDY Color Computer  II

DRAGON 32 The Dragon 32 (on the picture) was introduced at the end of 1982 as partialy compatible machine with Tandy Color Computer II. It uses unusual CPU, the 6809E. You could connect a cassette-recorder, a printer and a diskdrive to the computer. The Dragon 64 had a different case, the extended memory and a RS232-C-Interface built-in.
CoCo 2 The Tandy / Radio Shack TRS-80 Color Computer (CoCo as it is known) was produced in several versions. The original CoCo was introduced in 1980. It was based upon a Motorola MC6809E microprocessor and featured 4 KB of RAM.
The CoCo 2 (on the picture), introduced in 1983, was basically a refinement of the original. It was shipped in 16 KB and 64 KB RAM configurations and perhaps most notable is its ability to run OS9, a true real-time, multi-user, multitasking operating system.
The Tandy CoCo 3, introduced in 1986, incorporated a number of significant improvements (the original clock speed was doubled, the CPU appropriately changed to a 68B09E, and a new video/memory-management chip was added).

EMULATORS
Return of Coco 0.83a Tandy CoCo I/II and clones emulator for Windows (freeware) Authors' homepage
PC Dragon II 2.06 Good Dragon 32/64 and Tandy CoCo II emulator for DOS (freeware) Dragon & Tandy CoCo Emulator Homepage
T3 1.00 Dragon 32/64 and Tandy CoCo II emulator for DOS (public domain) Dragon & Tandy CoCo Emulator Homepage

PROGRAM  RESOURCES
Software archive in UK ROM images



TRS-80  MODEL  I

TRS-80 Model I In contrast to the CoCo and Model 1000s (the PC clones), the real TRS-80 machines were all powered by the Zilog Z-80 microprocessor.
The TRS-80 Model I was Radio Shack's first personal computer. It was developed in the late 1970's. The Model I was first made available with either 4 or 16 KB of RAM.

EMULATORS
WinTRS-80 2.0 TRS-80 Model I/III/IV emulator for Windows (freeware) Distribution page
TRSF-80 0.1 Good TRS-80 Model I emulator for DOS (freeware) TRSF-80 Homepage

PROGRAM  RESOURCES
Ira Goldklang's TRS-80 Revived Pages -- software ROM images



TRS-80  MODEL  III

TRS-80 Model III The Model 3 was Tandy's second personal computer. One of the reasons it was developed, was because the FCC instituted regulations about the RF emissions generated by computers, and the Model I was completely unable to pass the emission restrictions.

EMULATORS
TRS-80 Model I and III emulator 1.10 Good emulator for DOS (shareware) Author's page

PROGRAM  RESOURCES
Ira Goldklang's TRS-80 Revived Pages -- software ROM images



TRS-80  MODEL  IV

TRS-80 Model IV The Model 4 had a 64 KB (or 128 KB) RAM and single-sided double density disks. The Model 4D was basically the same machine, but it came with double sided disk drives. The Model 4P was portable.
Models 2, 16, 12, 16b, and 6000 (in order of release) were all "business" computers. The main difference between them and the others was in the use of 8-inch disk drives.

EMULATORS
TRS-80 Model IV emulator 1.0 Emulator for DOS (shareware) Author's page

PROGRAM  RESOURCES
Ira Goldklang's TRS-80 Revived Pages -- software

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