Included tags: tandy 1000 ×
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IBM PC, PCXT, Tandy 1000 • Floppy B Problem

MISTerFPGA about 8 days ago

Using the PCXT it doesn't matter what I select as an .img for Floppy B the emulation behaves as if it's the identical disk as drive A.core is PCXT_20230902.rbf …
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Anniversary: The King's Quest Series Is Now 40 Years Old

Time Extension about 9 days ago

That's according to its creators.Sierra's classic adventure series King's Quest has officially turned 40, according to its creators Roberta and Ken Williams.The series that primarily focused on the adventures of King Graham and his family in the land of Da …

IBM PC, PCXT, Tandy 1000 • IBM PC-DOS Weirdness

MISTerFPGA about 2 months ago

Hey all. IBM does something unexpected when formatting a drive from DOS 2.00. There's a whole bunch of bytes written just before the second copy of the FAT at hex offset 0x1000 from the partition start. I see no recognizable strings in there, it doesn't l …

IBM PC, PCXT, Tandy 1000 • DOS Versions Wanted

MISTerFPGA about 3 months ago

For the VHD generator I'm writing I'm looking to gather as many original MS/IBM DOS versions as I can. I know that MS-DOS was originally distributed through OEM's so this is quite a tall order (I now have 53 OEM-releases of 2.x alone). I'm looking for DOS …

Tandy 1000 RSX DAC

VCFed about 3 months ago

Forgive me if I get any terminology wrong. I have a Tandy 1000RSX I'm messing about with. Like the 2500, it has the 3 voice sound and DAC, but it was moved to a different memory address so as not to conflict with other hardware since the RSX is a full AT …

IBM PC, PCXT, Tandy 1000 • MiSTer PC XT BIOS

MISTerFPGA about 3 months ago

Here's my small contribution to this project:MiSTer PC XT BIOSIt's a fork of well known 8088_bios (https://github.com/skisele... PC XT related enhancements:Memory size set to 704KB. So if A000h UMB enabled, 704KB memory will be available to …

IBM PC, PCXT, Tandy 1000 • XT-IDE r625

MISTerFPGA about 3 months ago

Just received much awaited addons and start looking at MisterXT Looks like it's suggested BIOSes goes with quite old XT-IDE release, so i made a build of main and XT-IDE BIOS.Main BIOS is a quick port of Book8088 (chinese XT laptop) BIOS i'm working on, w …

Online manual for GRAFIX now updated to v2.70

VCFed about 4 months ago

I have been in contact with the webmaster for RGB Classic Games, who also hosts copies of GRAFIX for downloading. He has been nice enough to publish an online version of the manual for GRAFIX. He has updated it to the current version 2.70. You can access t …

IBM PC, PCXT, Tandy 1000 • Addons needed to run XT core

MISTerFPGA about 4 months ago

Hi.I'm new to this kind of emulation, but attracted to idea to have a possibility to modify pretty much everything if needed.I've ordered a DE-10 Nano board already and would love to know which addons i need to run this core.Looks like SDRAM is certainly …
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GRAFIX now posted to Github

VCFed about 4 months ago

GRAFIX is a graphics & sound TSR API for the Tandy 1000/PCjr. I wrote the initial version all the way back in 1988. The latest version 2.7 adds support for the IBM PCjr. The Github repository is located at the following URL: ... …

Need Tandy 1000 EX ROM for PCEM

VCFed about 4 months ago

I was trying to find the ROM for the Tandy 1000 EX for PCEM. I have found the Tandy 1000 and the 1000 HX, but does anyone know where I can get the 1000 EX rom so I can use it in PCEM? Also, maybe even the 1000 SX ROM. …

Tandy 1000 RLX and RSX BIOS Modifications

VCFed about 4 months ago

Here are a couple of modifications that I've made to the Tandy 1000 RLX and RSX BIOS ROMs. The primary focus was to update the VGA BIOS, and thereby gain access to additional video modes and compatibility/functionality enhancements that had required the us …

Tandy 1000 model 25-1002

VCFed about 4 months ago

Just found this forum while looking for solutions to get my Tandy running again. I have a 25-1002 also (s#831). My stepfather gave it to me back in '87 and I upgraded a bunch of things on it back then. I used it regularly all the way into the mid-late 90s. …

A modern working Tandy SmartWatch replacement for Tandy 1000 SL/2

VCFed about 5 months ago

A big problem I have had was finding a modern Tandy SmartWatch replacement for my Tandy 1000 SL/2. The Tandy 1000 SmartWatch+ from Cybernetic Systems on Tindie is too long because of the way the ROM socket is right up against the drive bays. I had been usi …
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Need Tandy 1000HX ROM for PCEM v12 windows

VCFed about 5 months ago

Need Tandy 1000HX ROM for PCEM v12 windows. I followed the instructions below to install PCEM and emulate the Tandy 1000, but unable to find the 1000 HX rom for PCEM that works. Has anyone tried PCEM with a Tandy 1000 HX ROM? ... …
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WTB: Teac FD-54B 5.25" drive for Parts

VCFed about 5 months ago

I have a non-working FD-54B-02-U that I would really like to get working. I was hoping someone had a non-working one I can purchase for parts. I think these were commonly used in the Tandy 1000's. Mine seems to function, but it's missing the head lift …

IBM PC, PCXT, Tandy 1000 • Mtools and MS-DOS 3.3x

MISTerFPGA about 5 months ago

Would anyone here happen to know of any sort of in compatibility between GNU mtools and old versions of MS-DOS? I'm writing a tool that generates bootable hard disk images and everything is just fine from 6.22 down to 4.00 but 3.31 and 3.30 won't boot in …

IBM PC, PCXT, Tandy 1000 • Tandy sound on Space Quest and odd CGA colors

MISTerFPGA about 5 months ago

Hi, I'm having a heck of a time getting Space Quest to run in Tandy mode on the pcxt core.In the pcxt mode with pcxt31.rom, I can load up my ao486 vhd to access the game directory. The colors are not correct in CGA (they show up as orange, green, etc.) My …

BrokenAnsible's Computer and Game Collection

VCFed about 6 months ago

Hello Everyone, It has been a long time coming but I finally setup my computer project's desk and the centerpiece is my childhood PC. Unfortunately, I do not have my first computer, a Tandy 1000 EX. We sold that to a neighbor right after my Mother bought …

Tandy collection for sale

VCFed about 7 months ago

Tandy 4000 SX Tandy Enhanced Graphics Monitor EGM-1 Tandy 1000 Personal Computer TX (2) TRS-80 Model II with cover (2) TRS-80 Model II Disk System TRS-80 4-Pen Color Printer TRS-80 DMP 200 (dot matrix printer) with cover Plus disks, keyboards and cables …

Tandy 1000 SL 640k upgrade fail

VCFed about 7 months ago

Upgraded a Tandy SL to 640k and had issues with some programs. So I changed Memory Diagnostics At Startup to "YES" in the EPROM and machine would no longer post. I removed the memory I installed and was able to boot with the original 384k. Have …

Original Tandy 1000 Hard Drive

VCFed about 7 months ago

Question about hard drives on the original Tandy 1000. I recently got a hold of one with a hard drive installed in one of the 5.25 inch bays. Controller card in an isa slot, along with a ram expansion, dra, and real-time clock all in one card. Confirmed …

Tandy 1000 page flipping (x86box)

VCFed about 7 months ago

So, first off, thanks to the folks on this forum I was able to realize a childhood ambition to utilize Tandy 320x200 16 colour graphics in C. So, thank you all for that. I've done all this under the x86box emulator on a Tandy 1000 SL/2 ROM. I've written …

FS: Amstrad PC1512DD computer, matching color monitor, KB&M, original startup disks

VCFed about 7 months ago

Selling a complete working Amstrad PC1512DD system, including color monitor, keyboard, and mouse. Have pics available here: Craigslist ad Looking for cash, or trading for Tandy 1000 related items (specifically an external 5.25" drive or a CM-5 or C …

joy.sys erratic on Tandy 1000 EX

VCFed about 8 months ago

Hi everyone! On my Tandy 1000 EX, I am using the coco Deluxe Mouse, with the JOY.SYS driver in my config.sys. It works fine in Deskmate, so I know hardware-wise, all seems good. My problem is that in most games, the mouse cursor is erratic: it suddenly ju …