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RAM paging and port usageDear users and developers, I'm just trying to find some detail information about RAM paging on the Spectrum 128 and later models, especially those a…
... /> Spectrum 128k and +2:
port 7ffd bits 0..2 select ... bits 1 and 2 of port 1ffd, which is called " ... /> Scorpion ZS 256k:
if port 1ffd bit 4 is reset ... at 8000..BFFF.
if port 1ffd bit 4 is set ... the bits 0..2 of port 7ffd. My proposal would be ... -
16k spectrum crash?Hi, I have just been given a spectrum 16k. I plugged it in and it worked, but after turning the machine off and connecting the 32k (cheetah) memory …
Certainly sounds like some haphazard expansion port usage leading to machine damage to me. -
Spectrum Ethernet update...in which a toastrack 128K machine prods a machine outside of my LAN for the first time. [url]http://spectrum.alioth.net/doc/index.php/Current_eve…
... . As you have a through-port, do you respect the input ... full list of I/O port usage somewhere? It'd be nice ... -
Spectrum Ethernet updateThis week's theme is [B]Frustration.[/B] [url]http://spectrum.alioth.net/doc/index.php/Current_events[/url] But I'm confident it will come right.
... an unavoidable consequence of partial port decoding. I'm trying primarily ... people who govern IP and Port usage for the glorious internet. Of ... -
Spectrum Ethernet updateThis week's theme is [B]Frustration.[/B] [url]http://spectrum.alioth.net/doc/index.php/Current_events[/url] But I'm confident it will come right.
... people who govern IP and Port usage for the glorious internet. ... about picking a standard port whose device behaviour is ... high.
This removes port clashing. Another sequence re-enables ... the extent of downstream partial port decoding.
Edit: ... -
DivIDE circuit/logic specsIs the hardware of the DivIDE documented, particularly the contents of the GAL/PAL chips? I'm looking to write a VHDL implementation of it. So far I…
... the DivIDE basic hardware level (port usage) and the Spectranet, and make ... -
I/O port adress map of Spectrum and interfacesI'm looking for an adress map of all the used and unused I/O ports for the ZX-Spectrum. Many years ago I designed an I/O board for the Spectrum that…
... a compilation of various peripheral port usage.
[url=http://mdfs ... -
Interface 1bis RAM Drive modificationAll Interface 1bis users I hope I am not interfering with Dan, but I saw on his site that he has a RAM Drive upgrade/modification for the Interface …
... 1bis? over the USB port.
Usage instructions have been added ... -
Hardware databaseWe don't currently have a comprehensive list of hardware, so will be looking at adding one. So, what categories? Do we count the new machines as …
... the I/O port usage of peripherals - both official port numbers and technically ... -
info somewhere about russian Scorpion and Pentagon ports usage ?Is there a place, preferable written in Latin script (but not really mandatory), which describes the complete port assignement of the russian clones …
... mandatory), which describes the complete port assignement of the russian clones ... Pentagon ? Specially the RAM bank usage. I have found only sporadc ... -
printer port redirect to (Windows) system printerIs there any emulator (+2A/+3 compatible) that can be configured to output the, say, parallel printer port to the Windows system port ? The default o…
... , say, parallel printer port to the Windows system port ?
The default ... -
Native OS X port of Fuse availableA beta version of Fredrick Meunier's native OS X port of Fuse, the Free errr... Unix Spectrum Emulator is now available from Fuse's homepage: [url="…
... Meunier's native OS X port of Fuse, the Free errr ... -
Win32 port of Fuse availableAn alpha version of a port of Fuse, the increasingly inaccurately named Free Unix Spectrum Emulator, to Win32 is now available from the [url="http://…
An alpha version of a port of Fuse, the increasingly inaccurately ... -
TC2068 port 0xf5With regard to the TC2068, [url="http://www.worldofspectrum.org/faq/reference/tmxreference.htm"]the FAQ[/url] ("Sound chip" section) says "IN F5h alw…
... />
libspectrum_byte
tc2068_ay_registerport_read( libspectrum_word port )
{
return machine_current-> ... ;ay.current_register != 14
? ay_registerport_read( port )
: 0xff;
}
2 questions regarding partial port decoding1) What happens if the Spectrum reads from a port whose number matches the criteria for more than one device ? Does only one of the devices get to r…
... the Spectrum reads from a port whose number matches the criteria ... would be IN/OUT from port 0000h, as that triggers any ... "IN 31", corresponds to a port address of "????????00011111", but what ...what extra port for extra memory ? (256K, 512K, 1024K, etc.)I know that Pentagon uses some extra bits from port 7FFD for extra memory pging: - for 512K model, bit 6 & 7 of port 7FFD - for 1024K model, bit 5, 6…
... some extra bits from port 7FFD for extra memory ... 6 & 7 of port 7FFD
- for 1024K ... handle directly the 7FFD port, without taking into account ... using an arbitraty choosen port for this purpose (bits ... is there any established port for extra memory, other ...Rewiring +2/+3 Joystick portAnyone have a simple guide for the differences between the Amstrad-crippled joystick ports and a standard Atari joystick port? I'd like to be able to…
Anyone have a simple guide for the differences between the Amstrad-crippled joystick ports and a standard Atari joystick port? I'd like to be able to use the Multiface and a joystick at the same time :)SPIN & port #FFHow to solve a problem with port #FF on SPIN? This prevent me from creating correct RZX-file with Short Circuit, part 1.
How to solve a problem with port #FF on SPIN? This prevent me from creating correct RZX-file with Short Circuit, part 1.Port 0x7ffd Partial DecodingI'm trying Pitfighter on my emulator and it runs in +2A/+3 mode but crashes in 128k/+2 mode. I traced it down to an OUT instruction which sends 4 to …
... instruction which sends 4 to port 1FFD.
Now after ... /+2 machines respond to any port address from 00FD to 7FFD ... :hardware will respond to any port address with bits 1 and ...Output through the Printer portIs It possible to use the +3 Printer port like the BBC user port, if so how?
Is It possible to use the +3 Printer port like the BBC user port, if so how?Acceptable usage questionI was going to give my brother some acrobat .pdfs of some your sinclair mags which i can make from the page scans in the archive. I read the acceptab…
... archive. I read the acceptable usage policy and it says that ...What is an "Unknown Port"?Port FF is unknown and so can return screen data on a 48k/128k/+2 models. But what if no Kempston mouse is plugged in. Is Port DF classified as unkno…
Port FF is unknown and so ... is plugged in.
Is Port DF classified as unknown or ...Spectum expansion port cable extenderI've got a wobbly +D (oo-er) which keeps causing my rubber friend to reset. I'm sure someone must sell cable extenders for the expansion port to com…
... cable extenders for the expansion port to combat this - does anyone ...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…
... guys know if this USB port could be used for something ... to USB (maybe using a port of Dom Morris tcp/ip ...Port forwarding helpThe lad in the flat below has been kind enough to let me hijack his wireless as he is never on. All has been well until I realized that I could be g…
... UTorrent if I open a port (or something).
The ... />
1) How can I port forward if I don't ... UTorrent I pick a random port and test it. Everytime I ... idea how to open a port anyways as I am new ...Port Chuzzle Deluxe for Windows to the ZX Spectrum?Hi all, I've been looking around for a Commodore 64 or ZX Spectrum game that's very similar to a Windows game called "Chuzzle Deluxe", but haven't b…
... thread who would like to port Chuzzle to the Spectrum, please ...Recent Returnee to the spectrum fold needs hardware adviceHi all. Thanks for taking the time to read this. This is my first post to this forum after I stumbled on this site just a few weeks ago, i only reg…
... the door of your spectrum usage closes it normally stays closed ... from my PC to then port the disk over into the ... spectrum would understand. And then port that disk over into the ...The best kind of peripheral/thru port orientation?So, given no standard Speccy backplane, there's soooo many ways you can make a peripheral and through port. You can mount the board vertically, with…
... make a peripheral and through port.
You can ... horizontal board, with the thru port just another edge connector. Imagine ... with some peripherals on the port, and might suffer from " ... suggest the casing and through port would be more expensive than ...IF2 Joystick port on Keyboard connectorHi all, I just found this in the forums but I am not sure about the view to the keybord sockets. Are the connections give from the view to the comp…
... : keyboard terminal
IF2 port 1 (this one needed if ... only using one port)
1 : 2
IF2 port 2 (optional second port)
1 ...Kempston interface with pass through or expansion port doublerHello, i'm in search of a Kempston interface with pass through or an expansion port doubler, so i can use a standard DivIDE along with a joystick. I…
... pass through or an expansion port doubler, so i can use ...
