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128k Screen Flipping - Sample Code PleaseI know this has been covered before, but I cannot find out code to do the following: On a 128k Spectrum tell the speccy to display from address 4915…
taken from speccy FAQ ([url]http://www. ... possible to read this port.
On the 128 and +2, memory ... is entirely controlled by port 7FFDh. The byte ... /> (and it can safe you from sarcastic notes :D )
Mess around with basicIf you have a game that was written in basic, e.g Football Manager, how do you look at the code that was used? thanks
... know you're reading, I've been thinking about the problems encountered ... routines can be called from the old ROM. The only thing necessary is ... of doing it than the one used by the 128 editor.
[/quote ...+3 disc imaging (idea + SDP)Following a bit of research, which you can probably see in the "old code" thread, I had an idea for a bit of software that may be useful (for me, and…
... use an external drive on the serial/printer port
So ... data read from it would always be the same rather ... from that sector would always yield the same result, hence the ... the last track is done. The other half of the program (the RESTORE disk from ...ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…
... well (Timex screen modes in the 128's shadow screen area)?[/QUOTE ... can tell the "ULA" to generate the TV picture from any odd numbered ... of port 7FFD toggles the relevant bit in the SCRN register, emulating the "shadow ...ZXCF InterfaceI'm just trying to get an idea for the ZXCF interface, and to me, it looks a much cleaner design compared to divIDE (Of course, that's just my opinio…
...
video data from.
Port #13BF BLK3 bits b7 ... select (48-64k)
Port #12BF BLK2 bits b7 ... select (32-48k)
Port #11BF BLK1 bits b7 ... banks not). Bit 0 of port #14BF is ignored.
from the page number for 128 banks of 16k ...Game: the GEM machineHi all, I'm moving this game discussion from the Wanted: Game Ideas! thread to here, so we can concentrate on just the game. Any comments/suggestio…
... your suggestion to get the mouse to work in ... and just jitters all over the screen, even a very ... the cursor to simply jump from the top to the bottom of the ... Almost like the port reading is not accurate or its reading floating values from the port - like ...ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... around it, subtracting something from the result. These are ... a tile pair from the array, writes the tile code and ... the four fanblades, b_count[] stores the animation counter that counts from the ... bits used while reading port $fe (the keyboard port) to select ...What should I get??I want to add a Spectrum to my collection but having come from the Atari/Commodore/TI/Apple world, I am a little unsure what to get? Something that …
... if you turned off the +D's printer port (using [EMAIL="POKE ... easier on the finger than the 128's. True, it has the same keyboard ... to install a cassette-in port onto my +2, so I ... some add-ons from plugging into the back properly, the inbuilt cassette recorder ...+3 soundhello there, just a quick-fire question today. i'm kinda keen on the idea of using my +3 quite a bit, particularly if i bother to to actually sort …
... Yep, the connection is straight from the pins of the AY chip to the output ... think I got the pin numbers from the diagram at the start of ... they'd be different from the ones on that other ... original 128. I remember reading somewhere that ACB stereo fixes the +3 ...Playing Denied Ultimate GamesHmmm, maybe this belongs in Emulators but it is game specific. Just been leafing through Games(TM) in Smiths and there's an article about a (strong)…
... wanders! I found myself reading the entire thing and having to ... . After many hours I ran from the building screaming.
... with time from the install time...
the most stable ... thing really to want to port a directory printout... (I ...z88dkHello. I'm an spanish user of spectrum (and naturaly of this page). I have a question. I want to start to program games with z88dk, but I need a goo…
... C, having been borrowed from the long history of small C ... -- all the stdio functions for printing to screen and reading from keyboard are ... will need to get the latest z88dk from cvs to access ... can read the keyboard port directly with a call to inp() from [URL ...Questions from the new owner of a grey Spectrum +2I managed to pick up a grey Spectrum +2 off of ebay with cheap shipping (I'm in the US... it was $13 total and it has a Donkey Kong tape inside) and …
... different version required for the +2's serial port:
[url]http://www ... /rs232plug.jpg[/url]
From the contact side, they look identical ... , but the different "keying" on the bottom prevents the standard plug fitting ...The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... could have set the 128 to continue reading video data from anywhere else in ... memory, when it reached the ... sprites would have taken the load away from the CPU, and hardware scrolling ...128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
... just assuming that the TV output of the 128 is the same frequency as ... and on other channels(all from 30-40UHF). But there is ... (nor composite video, from RF mod or RGB port).
I was ... could even move ZTX 650 from my working speccy 48k (this ...The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... Speccy mags and was reading about the intro of the Spectrum+.
... to an all RAM mode from the factory. This was actually common ... other systems.
The 128 should have included a microdrive ... a low end model and the 128 as the high end model for ...The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... to an all RAM mode from the factory. This was actually ... properly as the version the 128 got was pants.
The ROM ... attach streams for the RS232s and network port. I would have ... potentially useful feature was the network port that came bundled with ...The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... incorporating the microdrive connector interface from the Interface 1 - could this port have ... chip to the 128 / +2 and still keep the price within ... have been good for the initial 128, as we know Amstrad ... to the 128 if it did have these improvements from day ...The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... incorporating the microdrive connector interface from the Interface 1 - could this port have ... chip to the 128 / +2 and still keep the price within ... have been good for the initial 128, as we know Amstrad ... to the 128 if it did have these improvements from day ...RS232 connector??What kind of plug do I need to buy to fit into the +2 and +3's RS232 connector? It looks like a BT telephone plug. I bought some plugs and they didn…
... the other option is to get hold of a suitable plug from ... serial ports) - [url]www.firshman.co.uk[/url]
Beware, the ... to have different wiring on the serial port to the +2A, +2B and +3 ...+2 ramdisk - access in machine codeHow can you access the ramdisk in machine code? I've got a +2, and it seems the ramdisk has never been properly utilised. It would be a handy little…
... unsorted catalogue entries growing downward from the top of RAM. To erase ... ) but addresses beginning
; in the 128's extra memory banks traverse ... ; e = new destination output to port $7ffd
.destok
Spectrum 128 manual?It is not on WOS ftp, although is listed in doc. section. Where else can I get it? Need manual of simple 128, not 2 or 3.
... " which used the serial port to transfer programs onto a ZX from a server ... on the PC. It worked ...Opus Discovery and +2A?Can anyone tell me if the Opus Discovery is compatible with the +2A. I've just bought a +2A off Ebay and couldn't find any info on compatability. If…
... there are several lines missing from the +2a/3 expansion bus that ... of the lines to make the edge connector work like a 128, ... to screw with the expansion port when the original worked so ... resolved at the design stage by buffering the expansion port slot - ...Speed of variables vs. POKE/PEEKGreetings, I'm sure I could probably find this out after careful study of the 48K ROM disassembly, but I was wondering whether someone already knew …
... than:
LET x=(d+128 )*256
[/quote]
The less characters the better, as a ... or
LET x=(d+128 )*y
or
... to just reading/stacking a value from the line in ... thing. Brackets mean "stack the current result, process this ...Regarding the interface with USB port[url]http://www.octocom.es/reuniones/art_madridsx07_11.html[/url] [url]http://velesoft.speccy.cz/kmouse/km-doc/kempston_mouse_turbo_interface/km-t_2…
... itself as a virtual COM port to the PC (so requires no ... common-or-garden virtual COM port driver for Windows).
< ... sales). The only wrinkle is that it uses a serial protocol - ... performance transferring data to and from the device would require a little ...Speccy 128Im looking to buy a speccy 128 (pref the original sinclair model (even better with the additional keypad)) to replace my broken 48+. I dont have a jo…
... than expected colour flashing on the 128 menu. I wonder if ... plugged somethings.
The speccy is plugged into a ... I notice that the 128 has an RGB port so wonder if ...
Otherwise, apart from that the speccy with the new membrane installed is ...Reading the border colorI am building a snap-button to my ZX-PC Interface. Is there a way to read the bordercolor which is set by an OUT-command. (and please don't tell me …
... . I seem to remember the Multiface doesn't ask you ... - Reading from port 0x7f3f returns the last value written to port 0x7ffd
- Reading from port 0x1f3f returns the ... last value written to port ...Reading the border colorI am building a snap-button to my ZX-PC Interface. Is there a way to read the bordercolor which is set by an OUT-command. (and please don't tell me …
... the '138 can drive both the CLK for latching the port 254 value coming from the ... Spectrum, and to act as a chip enable to read the ... pattern for the OUT port, use the 74HC688 magnitude comparator as the port decoder for reading.128k dead, no TV signalI got 128k spectrum (heatsink model) from a friend of mine. He told me that speccy is dead, and he doesn't know what's wrong with it. When I plugged…
... ] Have you tried the 128k 'test'. With the 128 plugged in and on ... break nor sound on MIC port, we also tried to see ... on RF modulator or RGB port with no result (i have ... ). There is also +5V line from 7805 so I guess something ...the lost years...hello what i am refering to in the title is the years 1993-1997 when the ZX spectrum was dormant.i know that WOS was set up in 1995,but i am guessin…
... , what the main topics were, what countries from around the world were ... was a reader from ~Dec 1992 to the formation of CSS ... the big problems at the time was decent 128 emulation together with reading tapes ... record a VOC sound file from the tape and turn that ...Question about digitized sound and videoI searched the forums and couldn't find the answer, so here it goes. Regarding digitized sound: I remember reading an article long ago about a vid…
... from what I remember the code isn't particularly clever (just reading bytes from the ... DivIDE's I/O port and outputting ... them to the ... to dump something from that buffer to the AY) and ...
