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Today, 06:18 AM

Mills32 replied to a thread Some info about EGA and sprites in Vintage Computer Programming

So, I think this is the only way of drawing sprites on EGA: //This is a "sprite", 8 pixels defined with 4 bytes. unsigned char bitmap = {...

13 replies | 1381 view(s)

Today, 05:28 AM

pski started a thread TRS-80 Trash Talk - Live #11 - Saturday January 30 at 5pm EST in Tandy/Radio Shack

Come join us for our monthly live TRS-80 focused show on Saturday January 30 at 5PM EST! This is the European friendly timeslot so we expect all...

0 replies | 4 view(s)

Today, 05:25 AM

lowen replied to a thread Z'DOS Model I & III on eBay in Tandy/Radio Shack

See http://www.trs-80.com/wordpress/multidos/trs-80-dos-multidos-5-zdos/ for the scoop on Z'DOS.

1 replies | 35 view(s)

Today, 05:10 AM

Jannie replied to a thread CBM 8032 - What does the startup chirp actually mean? in Commodore

Woot!! Another PET lives!! :) :)

157 replies | 6594 view(s)

Today, 04:58 AM

clh333 replied to a poll System architecture for a Z380 TRS-80 compatible. in Tandy/Radio Shack

I was following the sage advice: "It is better to keep your mouth shut and be thought a fool than to open it and remove all doubt." But since I have...

13 replies | 215 view(s)

Today, 04:53 AM

lowen replied to a poll System architecture for a Z380 TRS-80 compatible. in Tandy/Radio Shack

Thanks for the thoughts! You're very right when you say using an ARM just feels wrong; and yet TRS-IO uses an ESP32.... Storage emulation especially...

13 replies | 215 view(s)

Today, 04:31 AM

durgadas311 replied to a thread Kaypro 10 / MTS / Kaypro 1 81-478-A ROM reloading issues, please advise? in CP/M and MP/M

Yes, so much of computer history has been lost - possibly forever. We'll see if somebody stumbles across that set of diskettes someday - and they are...

29 replies | 295 view(s)

Today, 04:30 AM

Hugo Holden replied to a thread Aim-65 video card mystery in Vintage Computer Hardware

Thank you so much.

13 replies | 142 view(s)

Today, 04:19 AM

gonk23 replied to a thread Why does TRS-80 Model III/4 corrupt inserted disks on power-on/off? in Tandy/Radio Shack

@Patrick Bureau - thanks for digging up those manual references -- proof for the disbelievers! :) @lowen - thanks, that was what I was after. So...

7 replies | 120 view(s)

Today, 03:14 AM

SteveG replied to a thread ISC Intercolor 8001 in Other

Hello Monty, My Intercolor is larger and I suspect older than the photo on this thread. I remember having my trip to the Budapest Academy of...

2 replies | 44 view(s)

Today, 02:59 AM

pjhacnau replied to a poll System architecture for a Z380 TRS-80 compatible. in Tandy/Radio Shack

Well while clh333 is still to reply I'll throw in my thoughts as I voted for that line too. First, because you didn't give the option separately,...

13 replies | 215 view(s)

Today, 02:24 AM

daver2 replied to a thread Help with fixing Commodore 2040 Dual Floppy drive in Commodore

There is another very recent thread on the forum where we did exactly this and tested the IEEE port in isolation from anything else. The other...

2 replies | 35 view(s)

Today, 02:18 AM

daver2 replied to a thread CBM 8032 - What does the startup chirp actually mean? in Commodore

Set ourselves the goal of getting space invaders running! Dave

157 replies | 6594 view(s)

Today, 02:06 AM

daver2 replied to a thread Aim-65 video card mystery in Vintage Computer Hardware

One of the documents I read yesterday I am sure had the bit patterns for the character generator in it. Dave

13 replies | 142 view(s)

Today, 01:53 AM

Uniballer replied to a thread Expert 4044 motherboard doesn't seem to be POSTing? in Later PCs

If you haven't already, force CMOS clear. You can clock a 40 MHz part at 33 MHz and timing will loosen up some. One 72-pin SIMM is enough for...

1 replies | 24 view(s)

Today, 01:13 AM

Malc replied to a thread XTIDE tech support thread in Vintage Computer Hardware

It is possible yes but a custom build of the bios will be needed, The default timeout for the HotKeyBar is about 4 seconds, To change this you will...

1135 replies | 203482 view(s)

Today, 12:35 AM

iz8dwf replied to a thread Help with fixing Commodore 2040 Dual Floppy drive in Commodore

yes usually you first power up the drive(s), then the PET, at least this is what we were always told to do in the old days. However, the power...

2 replies | 35 view(s)

Today, 12:09 AM

Shadow Lord started a thread Looking for COMPAQ System Manager Facility in Vintage Computer Software

Hello All, I am looking for a very old Compaq software (Circa 1992-1994) called COMPAQ System Manager Facility Version. It ran under Win 3.x and...

0 replies | 9 view(s)

Yesterday, 11:34 PM

vrs42 replied to a thread What did I do to my PDP-8 today. in DEC

Well, it was new to me, too. No idea why some conditionals are multiplied by 2, and others are multiplied by 4 (then incremented, IIRC?). Probably...

119 replies | 8934 view(s)

Yesterday, 11:29 PM

Timo W. replied to a thread Interest check Windows NT 3.1 July 93 Beta CD in Vintage Computer Items For Sale or Trade

As for legality, your are, strictly speaking, not allowed to sell the real CD either. Beta software is confidential and even MSDN discs with ordinary...

13 replies | 147 view(s)

Yesterday, 11:03 PM

Trixter replied to a thread Anyone have a scan of this catalog? (PC Enterprises) in Tandy/Radio Shack

You may be even happier to know that ftp://ftp.oldskool.org/pub/drivers/IBM/PCjr/Catalogs%20and%20Price%20Lists/ contains even more.

4 replies | 544 view(s)

Yesterday, 10:47 PM

Dwight Elvey replied to a thread Aim-65 video card mystery in Vintage Computer Hardware

The video card manual is on the web someplace. The cards were made in a Euro card like format and a STD bus like card. Neither cards were compatible...

13 replies | 142 view(s)

Yesterday, 10:35 PM

Bill-kun replied to a thread Is hard disk failure because of HDD 0 having 2 partitions and HDD 1 having 1: 2+1=3? in Vintage Computer Hardware

Ah, I see a little more clearly now. Thank you for explaining what SpeedStor does and how. That’s the part that I was missing, I think. So now,...

14 replies | 234 view(s)

Yesterday, 10:16 PM

nztdm started a thread Commodore PET - CBM 4064 (eBay auction) in Vintage Computer Items For Sale or Trade

Heya, just listing my Commodore CBM 4064 for auction. https://www.ebay.com/itm/333861302381 Let me know if one isn't allowed to post links to...

0 replies | 14 view(s)

Yesterday, 10:03 PM

ibmapc replied to a thread Is hard disk failure because of HDD 0 having 2 partitions and HDD 1 having 1: 2+1=3? in Vintage Computer Hardware

My exact word were "try Speed Store. It can do a low level format "On The Fly", without destroying data if the drive condition isn't to bad". ...

14 replies | 234 view(s)

Yesterday, 09:33 PM

grbrady replied to a thread Memory problem with PET 2001 in Commodore

I spent some time beeping out connections and testing logic chips in my TL866II EPROM burner and haven't found anything broken. I also hooked up my...

31 replies | 937 view(s)

Yesterday, 09:17 PM

dfnr2 replied to a thread Aim-65 video card mystery in Vintage Computer Hardware

I will get you everything that I can. I have the card, and will be happy to dump the ROM and character generator. I would be thrilled to see this...

13 replies | 142 view(s)

Yesterday, 08:57 PM

MikeModifed started a thread Z'DOS Model I & III on eBay in Tandy/Radio Shack

"...Z’DOS, a $39.95 stripped down version of MULTIDOS created for marketing purposes..." (http://www.trs-80.org/multidos/) ...

1 replies | 35 view(s)