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Spectrum +2 No TV PictureHi, As a retro collector in Australia I thought it was time to check out a real Spectrum as they were never popular here. So I bought the Spectrum +…
... I made cables for, had a separate sync-out-pin, which ... pin 20 on the SCART-input (The CVBS-pin) to ... get it to work on a regular tv.
... schematics that +2 has a separate sync-line. It doesn't say ... should try to connect this line to pin 20 on the ... -
help needed...Hi there, i'm trying to figure out a possible typo in William Tang's 'Spectrum Machine Language for the Absolute Beginner' on page 23 there's a prog…
... the logic in line 150.
Here's a corrected version ...
110 PRINT "Input decimal value..."
120 INPUT n: PRINT n ... -
Help with Visual Basic 6.0 vs Visual Basic.netI have a program that auto generates VB.Net code..... I know VB.net syntax and am happy with the code generated. However, I have been asked to have …
... directly command line interface I just need a very simple input and output ... need a simple mechanism in VB6.0
to facilitate input ... ) and use only one or a maximum of two lines to ... -
Audio input on a +2would it be possible to connect an external tape recorder to the socket at the back,or would something bad happen?
... about a few things. First, the save (labelled as REC) line is ... socket. The PLAY is an INPUT connection and connects to the ... interferenec generated by the electronics. a SMALL capacitor MAY be of ... power available on the mic line. Usually used to power small ... -
Audio input on a +2would it be possible to connect an external tape recorder to the socket at the back,or would something bad happen?
... goes through a resistor to lower the line level output ... /> If you killed a machine with a tape deck I'm ... he simply (unwittingly) placed a voltage (from the tape deck ... NOT supposed to have a voltage placed upon it. ... the case of reversed input/output. There's no ... -
Audio input on a +2would it be possible to connect an external tape recorder to the socket at the back,or would something bad happen?
... deck. That's a modification not a "missing circuit". ... goes through a resistor to lower the line level ... /> If you killed a machine with a tape deck I'm ... he simply (unwittingly) placed a voltage (from the tape deck ... the case of reversed input/output. There's ... -
Currah MicroSource emulationIt appears to be impossible to emualte the MicroSource in software on the ZX Spectrum SE as hardware polling is required. The following patch is not …
... and then doing an IN A,(C). This bugger puts ... of how to *do* a uSource myself. It's not ... a toggling flip-flop (D-Type, -Q output wired to D input ... ). This F/F would both drive the uSource chip select line ... ideal solution might be a PAL/GAL or second EPROM ... -
Elite LenslockHey Hey, I have just purchased "Elite" for my trusty ZX spectrum, unfortuantly it does not have the "lenslock" thingy with it! arggggggggggghhhhhhhh…
... TO 64807: READ a: POKE n,a: LET t=t+a: NEXT n ... n=n TO 1e9: READ a: IF a -
Codemasters CD compilationIs it downloadable? Where? How? I remember seeing it in a magazine with some envy (I had not a CD player, and ultra-short loads are always welcome), …
... willing to use it on a real Speccy or an emulator ... emulator that used sound (via a line-in or microphone jack on ... your PC's soundcard) as a joystick input. Since no emulator does ... -
RGB OutputWas there ever a device available for the 48 that had a RGB output ? As an alternative , what about using a pc monitor (iirc these have seperate syn…
... think there may be a way around it as ... models where they had a bright signal output, this ... article years ago with a simple diagram on this ... too)) - without special bright control line on adapter
input. And if solder input lines directly ... -
Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…
... />
It's quite a simple affair, basically:
input OR gate, for the ROM ... suitable solder bridging)
- A P-channel and N-channel ... test the CPU's M1 line.
I' ... ROM board (probably just a simple menu system to ... -
PZX file format draft[QUOTE=Andrew Barker;186084]To this date, there is no rival format for TZX, despite people saying they can do better. Well the challenge is on, prov…
... clear, that i prefer a [B]universal[/B] ... Hz sampling frequency is a hardware specific value, and ... />
- either use a generic value, e.g. milli ... mandatory also for the last line.[/QUOTE]
... down. Thanks for the input anyway.
... -
48K Speccy not workingHey, A few months ago (hope it´s not to late) I was loading a game into my speccy and from one moment to another it stopped working! I unplugge…
... /> On the photo i see a power regulator in the top ... stuff, and take a multimeter. I am a qualified electronics engineer, and ... a common, it's connected to "ground". Pin 1 is the input ... (blue ones) on the +5V line is shortened. It's from ... -
TC2068 emulator cart - problemHi, Sorry for posting timex related stuff on a spectrum forum. So, this cart (spectrum emulator) can only adress 16K. I can load small games but i …
... pin chip. Trace each signal line from the edge connector (presumably ... , there's a diagram somewhere detailing the cartridge ... re almost certainly looking at a 74LS32 quad OR gate. ... and 2 must be an input. You can immediately tell pin ... -
Anyone good at VBA? Need helpHope someone can help. I have a file called models.txt which is just a list of items, e.g. Car Toaster Wheel etc. i.e. each line is separated by a …
... the Workbook_Open sub or behind a button or wherever:
Open FilePath For Input Shared As FileHandle
Line Input #FileHandle, TextLine
Sheet1.ComboBox1 ... -
Anyone good at VBA? Need helpHope someone can help. I have a file called models.txt which is just a list of items, e.g. Car Toaster Wheel etc. i.e. each line is separated by a …
I ended up creating a function as below based on ...
Open strPathToFile For Input Shared As iFileHandle
Line Input #iFileHandle, strTextLine
cboComboBox.AddItem ... -
Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... I find a bit weird is the MREQ line (connected to ... on the ROM has such a low input impedance.
... absence of the -5v line, which is likely to ... same thing by connecting a couple of wires between ... diagnostic board wouldn't be a bad thing :smile:
... -
Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... from the CPU's MREQ line by a resistor too, to allow ... , the input impedance of the ROM chip's CS line should be ... megaohms given that it's a FET input.
So unless there's a whisker ... -
Another TS Emu CartLooks like the one I have. [url]http://cgi.ebay.com/TC2068-Cartdrige-48K-emulator-for-Timex-Computer-2068_W0QQitemZ250133271074QQihZ015QQcategoryZ124…
... , /BE is an input to the SCLD chip ... There is a pullup resistor attached to the line inside the ... to power up as a 48k Spectrum immediately. With ... the cartridge unchanged into a TS machine will not ...
A recent thread resulted in a schematic of a TC spectrum ... -
New Spectrum HardwareHi all. Well its Friday so it seems as good a time as any (business is a bit slack at the moment) to start up a thread about creating new Spectrum ha…
... keyboard adapter (or one with a decent keyboard)
3 ... :- 128 Ramdisc
9:- A switchable Interface that will take ... And for the die hards a cassette port.
13 ...
17:- Mic Input on audio chip side
line buying it.
Low Sound output + Sound distorting pictureHi, I am having a problem with my Grey +2 at the moment while trying to use RGB output. When I load a game the loader tones are fine but the actual…
... are not using the bright line, then you wont see the ... the bright line output on the Spectrum to a scart input some where ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... built-in way to read input (eg from the keyboard) ... which contains functions for reading input (eg keyboard) and writing output ... br />
The first line above is a prototype; after your program ... an integer. However the following line "*v = 10;" is illegal ...My SurplusHere's a list of stuff that I plan to sell. Please let me know if you're interested in any of the items listed below. If you need pictures or more de…
... here for 425 line black and white). However, a surprising number of ... an NTSC composite input with no need for a converter, even if ... , you might be in for a nice surprise.Notation questionI wasn't quite sure where to put this post, so anyone's welcome to move it whereever may be more appropriate. So I'm reading about Z80 interrupts he…
... of megohms) so the input will draw only picoamps when ... you want to use that input. The output of another ... can still drive the input against the pull-up ... high impedance state (often the input is said to be ' ... there is a conductive path from the +5v line to the ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... must be at start of a line
... br /> // start of a new line, look for special chars< ... // compute initial print position of line
if ... }
// get next line in string
++prow ...ZX81 - Modulator problems...Not a spectrum I know, but does anybody here have an experience of repairing ZX81s? When I dusted mine down recently and plugged it in, the display …
... -TEAM web site for a composite video modification that ... do is to use a composite video cable, strip ... wire on the signal input into the modulator (the ... insulation - that's the 5V line).
You ... should get a sharp picture that way, although ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... placed at the beginning of a line.
So let's ... must be at start of a line
static uchar special ... br /> {
// start of a new line, look for special chars
input.h library provides in_Inkey() (return ...ZX Spectrum 128+ problemsHello!I recently purchased and got myself a spectrum 128+ from ebay.The item did not have an original power supply so i got a power supply of 9volts …
... only of diode bridge and a capacitor. They are not stabilized ... can be plugged into video input of your TV:
[code ... lines contain resistors, S (sync) line contains a diode.
If ... would recommend you to find a description of the modification to ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... working - just shows you what a little bit of determination can ... chops off the very bottom line of the characters like y ... so that I can improve a little on sending the routine ... me please?
Thanks a lot,
AdriaanProject: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... " ";
char *s1 = "This is a test message that is supposed ... \s3g_.opt
z80asm -a -m -Mo -oC:\z88dk\ ... You can put anything on line 185 or leave it blank ... are trying to convert a pointer to an integer ... without a cast.
Maximum ...
