-
+3 hardware without a fixer boardJust thinking about plugging random hardware into a +3 (from something mentioned on another thread), and I wondered... I know some hardware won't wor…
... much anything with just simple I/O ports ought to work though, ... so joystick/mouse ports etc are no problem.[/ ... then?
I've got one, but haven ... isn't working. Obviously I don't want to just ... something.
I can see that the actual ... -
Questions about the Emulator Cartridge...First of all, which models of the Timex Spectrum does it work on? Secondly, does it contain game files, or does it just enable you to play PAL Spect…
... chip is mapped to different i/o ports you won't be ... works without the cart), I have about umm 150 speccy ... arkanoid. And that's all I can remember now. Sorry :-)< ... disk as snapshots so I may have missed any ... with funky loaders but I doubt that would have ... -
Russian clone of ZX-Spectrum 48kThe classic russian clone of ZX-Spectrum 48k [URL="http://sblive.narod.ru/ZX-Spectrum/Leningrad48k/Leningrad48k.htm"]http://sblive.narod.ru/ZX-Spect…
... .
Betadisk also introduces an I/O ports paging. Original BetaDisk sits between ... peripherials and pages in own I/O ports. This answers to question "how ... page, even TR-DOS. However I/O ports paging will work as usually ... -
Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…
Simon Owen's [URL="http://homepage.ntlworld.com/mark.woodmass/mfind.tap"]mfind.tap[/URL] program may help to find the I/O ports used for paging. -
Interface rom - Need help to dump itHi, I have temporarily an interface that is similar to a multiface. It has an NMI button and displays a menu where states can be saved and pokes ent…
Ports AccelerationOn ZX48 or 128/+2(grey) is contended and uncontended ports. For example: if you will read 512 bytes sector from IDE device to ZX ram via INI or INIR,…
Ummm,
Hi Velesoft,
I thought that high ram (32768-65535) was uncontended whilst low ram (16384-32767) was contended.
Are you referring to I/O ports being contended? This is new to me.Ports AccelerationOn ZX48 or 128/+2(grey) is contended and uncontended ports. For example: if you will read 512 bytes sector from IDE device to ZX ram via INI or INIR,…
... ,
Hi Velesoft,
I thought that high ram (32768 ... />
Are you referring to I/O ports being contended? This is new ... is contended. ULA use for ports same slow-down method as ... . (ULA not know difference between ports and memory adress)Rom dumping a Mirage MicrodriverI need to dump the rom of my Mirage Microdriver for Zub and don't know what to do...any help?
... useful.[/QUOTE]
I'm not especially familiar with ... surely that only works for ports that are being decoded deliberately ... at $0038 toggles paging and I/O to port $0038 does too ... that will test all I/O ports.
[QUOTE]I'm not familiar ...The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…
... find at least 4 more I/O ports out of the 128 usable ... common pieces of hardware that I want to be compatible with ... register access will require three I/O instructions, which is much slower ...ZXCF+/2 InterfaceHi all, I'm having a stock clearance sales.... ZXCF+ build and tested for only 30 Euro more on my site.. [url]http://user.tninet.se/~vjz762w/[/url] …
That sounds good, I'd like one for testing on the Spectranet through port. PM sent.
What Z80 I/O ports does it use, and does it do full port decoding?ZXCF+/2 InterfaceHi all, I'm having a stock clearance sales.... ZXCF+ build and tested for only 30 Euro more on my site.. [url]http://user.tninet.se/~vjz762w/[/url] …
... =Winston;249227]That sounds good, I'd like one for testing ... sent.
What Z80 I/O ports does it use, and does ... />
It uses 16bit I/O, where base I/O is 191d, decodes on ...help sought with first foray into machine code - pixel scrolldownI have started to code my first machine code program, a simple roadrace game. I've based it around the pixel scrolldown routine in 40 Best Machine Co…
... right. You'll notice I took out the push ix ... then you have a problem I hadn't thought through : ... want to write to. I hope you're writing a ... gets access to memory and i/o ports when it wants to. This ... cycle times are stretched but I tend to just make things ...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…
... on the I/O ports quite yet, because I keep discovering devices I want ... port ranges I was hoping to use! I'm using ... PCBs have been made, I can still change quite a ... add to your woes, I will just point out that ... ZXCF) uses an additional I/O port (can't recall ...As a fleeting point of interest...A fleeting point of interest to you all may be that I've just decided that after triple checking my PCB design for the Spectranet (Spectrum Ethernet …
[QUOTE=icabod;260001]which details ports and things for selecting memory mapping.[/QUOTE]
I'm going to have to change the 4 I/O ports, they collide with the ZXCF+. I'll be doing more CPLD tweaks when I get the prototype PCBs back.48K games that don't work on a +2Not sure if there is already a thread about this but recently I've noticed some old 48K games will not run on my +2 - even in 48K mode. Examples are…
... br /> [I]On a side-note, I wonder if setting ... crash even in 48 mode?[/I]
3 ... Short Circuit 128 as I mentioned earlier is another) ... I/O ports. Some games seem to read or write to random I/O ports ... the 'snow' effect (setting I register between $40 and $ ...I/O on the Speccy - ideas/help wanted!I'd like an interface for the Spectrum that can control and monitor other items. I have a task in mind that would require: A: 4xbinary inputs (as in…
... technology project back in 92 I hooked a couple up to ... /> fom memory that had 16 I/O ports, should be easy enough to ...Accelerated spectrum?Hihi Has anyone managed to replace the Z80 in a spectrum with a Z80B? Just wondering if it'd be possible to have a couple of crystals switchable to…
... eZ80 will conflict with Spectrum I/O ports. The eZ80 can run most ... classic Z80, too.
I quite fancy building a computer ...Problem with Spectrum +3Hi, I just made up an RGB lead for my +3 to connect it to a commodore 1084S monitor. Great picture but by coincidence? at the same time my spectrum…
... />
Just one general tip, i hope my english is enough ... on the RF modulator (like I see on the beginning of ... some circuit on the keyboard i/o ports. You should check all new ...BASin r14c - maintenance releaseAfter the recent discussions, BASin has been released as version 14c. It's only a maintenance release, and some of the really big new features are un…
... to being a "real" Spectrum. I find OUT 32765,0 does ... people send random bytes to I/O ports ;)BASin r14c - maintenance releaseAfter the recent discussions, BASin has been released as version 14c. It's only a maintenance release, and some of the really big new features are un…
[quote=Jimmy;304252] only daft people send random bytes to I/O ports ;)[/quote]
aha, thatll be me included then... :)A video interface for the Spectrum, MSX compatibleSo you can use the same code for displaying sprites, tiles, characteres, and so no, on both the Spectrum and the MSX. That is, the Spectrum now has a…
... set each pixel manually through I/O ports (hardware drawing of horizontal lines ...A video interface for the Spectrum, MSX compatibleSo you can use the same code for displaying sprites, tiles, characteres, and so no, on both the Spectrum and the MSX. That is, the Spectrum now has a…
... set each pixel manually through I/O ports (hardware drawing of horizontal lines ... a bunch of demos too. I suppose it can't do ...Help: OUT (port), A[deleted]
... ; Finish
[/code]
[quote]I don't understand the connection ... port... examples (using IN) show ports as having 2 byte addresses ... the port.
All I/O ports are 16-bit addresses, but ... BC register to specify the I/O port. OUT (n)/IN (n ...Ebay - unknown itemHi, Does anybody have any idea what the expansion card is in this auction? [URL="http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&Item=250432700319&Ca…
Its an Input/output board using an 8255, so 3 x 8 bit I/O ports.
Good luck with the auction!
SEbay - unknown itemHi, Does anybody have any idea what the expansion card is in this auction? [URL="http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&Item=250432700319&Ca…
... , so 3 x 8 bit I/O ports.
Good luck with ... /> S[/QUOTE]
man..... i need to get my specs ...divIDE & Joystick interface / other peripheralsHi, Anyone on here with a divIDE, managed to get the divIDE to play nice with a Kempston joystick interface; specifically - a RAM Turbo joystick int…
... used only if use different I/O ports:
Kempston mouse
Kempston ... me schematic of any interface, I can create list of DivIDE ...2 new FPGA based clone from russiaFirst of all I wanna introduce you to the [B]ZX Evo[/B] by NedoPC -> [URL="http://www.nedopc.com/zxevo/zxevo.php"]http://www.nedopc.com/zxevo/zxevo.p…
... also other SAM COUPE features, I/O ports,programmable interrupt, colour palette,new ...Ahh.. the tape loading era! by ate bit[url]http://www.pouet.net/prod.php?which=53846[/url] It is UNBELIEVABLE!!! Effects while loading, MUSIC while loading (and loading normal speed !!!…
... a couple of places where I spent some extra effort making ... ;P[/QUOTE]
While I appreciate your effort, the reason ... , the 'ULA hogs half the I/O ports' issue. Shame they didn't ...Ahh.. the tape loading era! by ate bit[url]http://www.pouet.net/prod.php?which=53846[/url] It is UNBELIEVABLE!!! Effects while loading, MUSIC while loading (and loading normal speed !!!…
... ?)[/QUOTE]
I'm not blaming Clive for ... anything. I was referring to the company ... sold for under ?100. I'm sure a few ... over that limit. Note, I wasn't complaining about ... -cutting measures. But 32768 I/O ports for the ULA? Come ...Ahh.. the tape loading era! by ate bit[url]http://www.pouet.net/prod.php?which=53846[/url] It is UNBELIEVABLE!!! Effects while loading, MUSIC while loading (and loading normal speed !!!…
... br />
I'm not blaming Clive for ... anything. I was referring to the company ... sold for under ?100. I'm sure a few ... over that limit. Note, I wasn't complaining about the ... -cutting measures. But 32768 I/O ports for the ULA? Come ...