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Questions tagged [data-transfer]

For questions about transferring data from one device to another

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4 answers
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Maximum speed of serial I/O driven by 8-bit CPU

I'm interested in the limiting speed of I/O on 8-bit computers. Setting aside the case where parallel cables are used, like the IEEE 488 bus on the Commodore PET; such cables are expensive, which is ...
rwallace's user avatar
  • 61.4k
2 votes
0 answers
225 views

How to connect old Nokia 3220 phone to a modern computer? Or login to Drive on the phone? [to transfer data from phone]

I have an old Nokia 3220 mobile, which has an "Internet" app built-in. The phone does not have Bluetooth or Wi-Fi support. Now, there are some files on the phone that I would like to keep (...
koustav_ch's user avatar
3 votes
2 answers
484 views

What was the first satellite data link that can properly be called an internet connection?

Scott Manley, in his second video about communication satellites, focusing on the 1963 Telstar 1, mentioned at 10:22: (Telstar 1) could be used for telephones it could carry multiple circuits, it ...
uhoh's user avatar
  • 2,348
8 votes
1 answer
424 views

Partial sector transfers on old floppy disk controllers on old floppy-disk based operative systems (FDOS)

Background I'm writing a simulation of a very simple computer (in VHDL), that is similar to 1960s/1970s computers in capacity and architecture. It previously could load a program from a ROM, but I ...
BipedalJoe's user avatar
6 votes
2 answers
2k views

How can SPI be used with a Z80 CPU to control an RFM95 LoRa module?

I’m trying to communicate with my Z80 computer (RC2014) using a wireless radio. The easy way to do this is to use something like an ESP8266 (and there’s even an RC2014 module for this), but where’s ...
Nick Bolton's user avatar
2 votes
1 answer
247 views

Passive FTP transfers in Windows 3?

Does anybody know if there have ever been any passive FTP Clients for Windows 3.x? I ask because I think that might be a good way to transfer data between retro computers and modern computers. The ...
TSJNachos117's user avatar
23 votes
2 answers
3k views

How does Laplink achieve "high speeds" on standard/legacy serial ports?

I have been using Laplink Pro 4.0a to transfer files between a modern Windows 10 desktop PC (via DOSBox) and several vintage DOS computers. Using a standard null-modem serial cable, in my testing it ...
640KB's user avatar
  • 1,297
12 votes
5 answers
873 views

What was this almost-magic Mac data conversion tool?

In the mid 1990s I was working for a large construction/engineering consultancy. We'd often engage the services of an acoustic consultant who used a wonderful piece of software to convert all manner ...
scruss's user avatar
  • 21.7k
17 votes
3 answers
4k views

Why was the 1541 so slow?

The Commodore 1541 floppy disk drive, sold for use with the 64, was notoriously slow for historical and technical reasons: Marketing insisted on compatibility with the 1540, the floppy drive sold ...
rwallace's user avatar
  • 61.4k
4 votes
4 answers
840 views

Using a GSM (2G) cellphone as a modem to send code

I am quite a newbie to retrocomputing, and I don't know if such a question should be asked here. But I hope maybe some of you could help me. I started reflecting on ways to send data without the ...
Julien's user avatar
  • 41
9 votes
3 answers
903 views

What are my options for fast bidirectional transfer between a C64 and a 1541?

Since asking a similar question, which is really exclusively about using KERNAL to transfer between disk drive and computer, comments, answers and others hint at the fact that using the KERNAL really ...
Omar and Lorraine's user avatar
10 votes
1 answer
2k views

How fast are transfers between the C64 and the 1541 floppy drive?

I am developing some software for the Commodore 64, and my intention is to use the 1541 as a coprocessor. I'll have the 1541 compute some data for me, and then retrieve this data over the serial line. ...
Omar and Lorraine's user avatar
12 votes
2 answers
1k views

What are my modern options for loading programs and data files on the Apple IIc?

I've recently acquired an Apple IIc. The internal 5.25" drive does seem to make appropriate noises at boot, but I do not (at least not yet) have any floppy disks, with software or otherwise. It's an ...
cjs's user avatar
  • 26.6k
27 votes
3 answers
8k views

What was the ASCII end of medium (EM) character intended to be used for?

I can find information about how characters were used to structure transmissions in general, and I can find information about transmission characters which are still commonly used today, though ...
Ryan1729's user avatar
  • 525
44 votes
26 answers
15k views

How were files transferred between different systems in the late 1980s?

Today there are adapters available allowing you to connect historic floppy drives to a modern PC. This allows you to copy data from historic floppy disks to the PC. In the late 1980s and the early ...
Martin Rosenau's user avatar
6 votes
4 answers
3k views

What are some example uses of the Z80's BUSRQ/AK pins?

What are some examples of devices that would use the Z80's bus request input? From the technical manual re. BUSRQ: Input, active low. The bus request signal is used to request the CPU address bus, ...
Jet Blue's user avatar
  • 2,005
16 votes
5 answers
4k views

Adding the third floppy drive?

I've seen a few computers with more than two floppy drives, most with two 3.5" and one 5.25". My question is how was this achieved? I've heard that it could be done with a second controller card, but ...
redsPL's user avatar
  • 1,017
32 votes
12 answers
12k views

Dealing with oversized files decades ago? Data transfer in the age of floppy disks

I can imagine the following situation 20 to 40 years ago inside a working office between two colleagues: "Can I have a copy?" "Sure, wait a moment....done! [eject] I'll pass that floppy disk onto ...
neverMind9's user avatar
  • 1,749
14 votes
7 answers
6k views

Transfer files to DOS over serial cable from Linux?

I have a modern Linux computer and a 286 computer running DOS. I would like to transfer files from the Linux computer to the DOS computer over a null modem serial cable. I know you can use INTERLINK....
Sydius's user avatar
  • 2,594
4 votes
3 answers
879 views

Retrieving text documents from a 2.0 MB/2.0 HD floppy disk?

I'm attempting to retrieve text documents from a floppy disk that is a 2.0 MB DS HD floppy similar to: The only thing he knows is that the documents were created on a Mac around 1996. What are some ...
Babiker's user avatar
  • 141
4 votes
2 answers
536 views

Getting a disk image off of a HP 9133 drive

I have a HP 9133 combo disk drive connected to an HP 9000 model 310 computer running Basic 4.0. This setup is used to control a few machines, and does not have a floppy inserted. The hard drive is ...
AMiller's user avatar
  • 315
12 votes
2 answers
2k views

How did Ceefax work?

Ceefax was a service that provided a series of pages of coloured text in a format similar to a 40-column display to a compatible television set. Each page was numbered, and you could address each page ...
wizzwizz4's user avatar
  • 18.6k
31 votes
6 answers
15k views

Can I image Amiga floppy disks on a modern computer?

Is there any way of reading Amiga floppy disks to a PC hard drive? Can I use a standard floppy drive with a firmware program that will translate it? Do I need an external drive or a working Amiga ...
wizzwizz2's user avatar
  • 623
9 votes
2 answers
2k views

Is it possible to use a TI-99/4A cassette cable with Digital Audio devices?

I would like to save and load BASIC programs with my TI-99/4A. The TI-99/4A can be connected to a cassette recorder for this purpose. Buying a cassette recorder and cassette tapes seems unnecessary ...
Liveunderwater's user avatar
5 votes
1 answer
317 views

Magnetic tape data preservation format

What 'virtual tape' image format is most suited for data preservation i.e. can store metadata like density and media type of original tape, presence of data past EOT marker, parity/ECC bits etc.?
sendmoreinfo's user avatar
13 votes
1 answer
709 views

What FSTs (File System Translators) exist for the Apple IIGS?

Apple supplied some, were there others that other people wrote? What is the complete list of FSTs available?
nevster's user avatar
  • 1,048
18 votes
2 answers
2k views

Transferring from Apple II

I have also found a working 1978 Apple II. Now my dad wants me to transfer its data to another device without using fancy Apple II exclusive hardware and if possible, through a cassette port. Now, ...
Anthony Pham's user avatar
  • 2,474
11 votes
2 answers
1k views

How to convert Atari (65XE) tapes to ATR?

I still have some tapes for my Atari 65XE and I'd like to play some of the old games I got. But I don't have the Atari anymore. I have a tape recorder of quality surpassing the Atari one by quite a ...
SF.'s user avatar
  • 7,105