... of reading data from the EAR port and assembling the bits into ... this code:
IN A, (C) ; read port FFFE, 12 cycles
EAR is set, 4 cycles
port are always 1, so that ...

... ,7 to select control port
OUT 49149,63 - CLEAR bit (other ... to pick I/O port
IN 49149 gives port reading

Values ... are used by the serial port)

... spending too much time in forums if every time ... have a +2A with an ear port in the back (courtesy from ... to my parents house in Portugal I usually connect ... fast. eg Manic Miner in 22 seconds! If this ... things you mention have been in development for a couple ...

... receive a signal through the ear port in square-wave fashion.

Hi.

My friend got a +2. He is a hardware guy, so he would like to add a regular EAR port to it.
However he prefers to have some schematix first.

Can You help?

Thanx in advance,
Y

... mounted a mono stereo jack in my +2 and am trying ... it to get an external EAR port to load programs from my ...

... Author: Arjun (---.bng.vsnl.net.in)
Date: 08-13 ... Speccy, via the parralel port. The program should be ... - handy if the ear socket in the Speccy goes kaput ... has a bi-directional parallel port.

I ... be the next step in emulation in a way.
...

... had a poke around in some of the docs ... detect on the EAR port? Lots of comments in the ROM disassembly ... it was all done with IN 254 (which looks like ... it's confirmed in the ROM disassembly, although ... find some docs specifically on IN 254 - any pointers ...

... bars while listening to the ear port. It used attributes to display ... bars, each bar was different in color and size, and all ... guessing it was a type-in from a magazine, or maybe ...

... following issues:

- The EAR port doesn't seem to work ... 's been thrashed too heavily in the past and something has ...

... .

When I type in LOAD "" to load a game ... was initially using the MIC port to load games which worked ... . Then I switched to the EAR port and the tape sounds were ... full and plugged into the EAR socket the screen is displaying ...

... could be available from you in a near future?

-Kempston Mouse + PS/2 interface in just one interface and boxed ... sell), stereo AY output, add ear port to Amstrad Spectrums, upgrade to ...

... which reads sound input to EAR port, which isn't Spectrum program ... /> - start some Spectrum sampling program in emulator

- play .wav ...

- save the sample in emulator to a virtual tape ... also had the player code in .bin format (I would ...

... column)
ULAPlus mode available in all video modes
SD ... the SD card to the EAR port with play, rew, stop buttons ... EAR and MIC ports for cassette tapes.
RS232 serial port
in my spare time so this ...

... despite the twenty years spent in a cellar.
Now I ... be a problem with the ear port or it could depend on ... or whatever?

Thanks in advance!

... /> played,  in standard  ZX Spectrum tape format, to the EAR port of
the host machine through a special cable, which, in ... by the interface is ‘perfect’ in terms of level and timing ...

... EAR input is a bit input (bit 6 reading the fffe port ... sound to EAR input? Would it still scream in agony?
EAR and try to read ... br />
4) Is EAR port always reading? I.e. does ... the port?

5) How sensitive to change is EAR? ...

... output on the MIC.
EAR is fine and I can ... with no problem on the EAR port.

I soldered new ... EAR and MIC ports but the ... shorted?

I show in the picture attached where the ...

... it possible to load software in the form of an audio ... of the phone to the EAR port on a Spectrum 48k? If ...

... humble Speccy, via the parralel port. The program should be able ... related program that it find in the I/O devices (that ... the PC monitor for display. In addition, the Speccy should be ... help - handy if the ear socket in the Speccy goes kaput)

... that's where TZX comes in. As for the fact that ... a tone, so we store in the TZX the number of ... These can't be stored in a Pure Tone Block - they ... back, we examine each bit in turn, and output flips of ... a knowledge of how the ear port worked, and how the various ...

... of the state of the Ear port.

[quote]
... there is about 10% tolerance in most loaders for "tape wobble ... facilitate flash loading as featured in Ramsoft's Real Spectrum. ... .

Speedloading (FastLoading in RS) does not require any ...

... real signal from the noise in the CSW so why can ... is simply supplying the correct ear port states as the program requests ... , SPIN does, it detects it in order to keep the tape ...

... succeeded feeding the spectrum's ear port with the soundcard's output ... with tapes as well, but in the recording/playing transition, bad ...

... on it due to incompatabilities in the ROM.

You ... sound card to the Timexs EAR port (assuming it's similar to ...

... on it due to incompatabilities in the ROM.

You ... sound card to the Timexs EAR port (assuming it's similar to ... one. Bought my original one in 1982. Unfortunately, Timex folded it ... 's Sinclair section in 84, leaving much undone. Here ...

... your line-out into the EAR port of your spectrum (assuming you ... tape deck or hi-fi. In turn you can then load ... WinAMP and the WAVOUT plugin in conjunction with the TZX plugin ... tested all of these methods in my time and know they ...

... on the Spectrum's MIC port is just 3.5kHz as ... the input bandwidth on the EAR port is much higher -- 11kHz or ... frequencies used reduces, the difference in their measured periods also reduces ... internal filter on the MIC port would cause unreliability.

... I think it's the EAR port of the spectrum you should ... deck mic entry, and the EAR socket to the tape deck ... naming of the serial pins in their manuals.

... the SoundBlaster "Speaker out" port to the Spectrum MIC connector ... is the audio in port, and EAR is the audio out port.
When ... sound is output via the EAR port. I tested this plugging a ... headphone set to the EAR port and then typing SAVE"...".