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Joystick Interfaces on +2AJust found out that my DK'Tronics joystick interface doesn't want to play with my +2A (black). The Kempston port works OK, but not the Sinclair port…
... an "extended" kempston interface that fully decodes the port instead of ... /> Or, presumably, nobble a Kempston joystick interface and change one ... daisy-chain it with another Kempston. I was really looking ... the high bits on a Kempston port read to pick 1 of 8 ... -
Kempston detectionI could use some help. This Kempston joystick behaviour drives me mad. I've written a game called Necrospermia recently ([url]http://www.worldofspec…
... emulators and configurations Kempston is somehow automatically choosen - Kempston fire is detected ... - if you scan Kempston port but there isn't Kempston attached, some weird ...
LD (KeysOrJoystick),A ;set kempston
RET
StartAnim4 ... -
The history of ESXDOS, the DivMMC and the DivMMC EnJOY![img]http://benophetinternet.nl/hobby/divmmc_history/1%20esxdos.jpg[/img] These are the stories behind esxDOS, the most popular operating system e…
... to life.
A must read for everyone who is interested ... br /> General use Kempston port (IN #1F)
Kempston Mouse Via PS/2 ... br /> - DOS services (open file, read/write sectors, etc, etc, etc ... some others.
FATWare was read-only but the most easy ... -
+2B, installing joystick to internal port (via Atari adapter) kills keyboard totallyHello all. I'm once more a speccy owner, after something like 30 years xD Anyway, bought 128+2b from ebay. Works fine, except for the built-in joyst…
... same controllers with it's Kempston port and they worked just fine ... -
Chuckie Egg and joypads on the SpectrumAn old favourite of mine is "Chuckie Egg", but it has no joystick option. I've got a dual port DK Troniks interface, the first port takes IN 31(Kemps…
... the appropriate port (e.g. 31 for Kempston) would read the port into the ... programs don't bother to read.
The keyboard was ... normally you'd have to read quite a few ports in ... were all on the same port, meaning that they could do ... -
Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…
... is attached to i/o port $fe (254). The ... during a 16-bit port read identifies which row you ... active
in a,($fe) ; read keyboard
; a = status ... other way to read a 16 bit port address is to ... joysticks and reading the AMX/Kempston mice. There's a ... -
Custom Speccys and the like.hiya all I've been tinkering with building a Super spectrum for some time now. The whole process had changed and grown and ended up nothing like wha…
... by the fact that the Kempston port has still only 5 bits ... . My 7 Bit Kempston Interface is able to read the additional mouse ... -
wouldnt it be good if:I know that some guy basicly said he waqs going to do what Im suggesting here but anyway: I was thinking and worring about the future of the spectrum…
... /divide, read/write fat media, s-video out and internal kempston port. I ... -
Games hacked to be played with Sinclair Joystick #1 (67890)I have mentioned a few of these in other threads, but I think they kinda deserve their own... I have been hacking a few of my favorite games which ha…
... did you remove the constant Kempston joystick read bug that causes the ... . Bug removed now. Stupid read from $7f port that messed it up ... atleast play the game if Kempston was connected ;-) wtf ? -
DivIDE and joystick interfaceWhich joystick interface works with the DivIDE and ZX 48K? I have TurboRAM but it works not correct or blocks DivIDE. Multiface One works with the j…
... this is problem. Adress of kempston port is 31 : BIN 00011111 ( ... A7-A0). Kempston joystick port decoders accept only A5 or ... port this interface return data = data collision on zx bus ! Read ... and write to joy port is same !!! And ... -
RFC: ZXI hardware interface standardisationReposted from c.s.s to reach a wider audience [QUOTE=Andrew Owen] You may have noticed that there are more people making add-ons for the Speccy than…
... Didaktik M (with kempston joystick)
xxxxxxxx00011111 xxxxxxxx0xxxxxx1 Kempston-M
PORT:
READ from port #84FD (34045 dec)
MEMORY PORT:
READ from port ... -
Fully integrated ZX+Hi, I just want to show some inspiration for integration HW to ZX+ case ;-) - ZX48 issue 3 board, without all parts regarding video generating (pa…
... software to be able to read and write all major Speccy ... formats)
-9-pin com port
-SE roms
kempston port, and one gamepad/controller adapted ... -
Zetr0's Catchup Time (hardware / software)Hello there my fellow ZX'ers I have been soaking myself into the "world of spectrum" and more I do, the more I realize I have to play catchup.... a …
... good friend, its great to read you on here also... another ... CF[/url] then add a kempston port (isolated), and finally add a ... through port.
after that I ... -
Zetr0's Catchup Time (hardware / software)Hello there my fellow ZX'ers I have been soaking myself into the "world of spectrum" and more I do, the more I realize I have to play catchup.... a …
... CF[/URL] then add a kempston port (isolated), and finally add a ... through port.
[/QUOTE]
read the CF spec, I'm ... having another read of it now :)
DivIDE questionsHi All, I'm the proud owner of two DivIDE interfaces, that I have just "inherited" from a friend. One of them is the original one and the other one …
... DIVIDE+ memory) then KEMPSTON (thanks to incorrect kempston port decoder) collide with data ... data only if Z80CPU read from joystick port)
b) fix hardware ... memory = not write to port 23 = old kempston work with DIVIDE+ ( only ...NEW KEMPSTON interface for ZXHi. Lotharek has released a new KEMPSTON interface for people who doesn't need AY on-board and want to have some really small device. [url]http:/…
...
- kempston port 31 decoder use uncomplette adressation ... /> - S-KEMPSTON port collide with other KEMPSTON devices with A5=0 ... (impossible use with all kempston mouse interfaces)
read joystick from port #DF etc....)
New WIP underway - 'Dingo'.Hi, Prepare for a long post. Perhaps I can even challenge ewgf here. :razz: Anyway, I've been meaning to get into Z80 programming and making a game…
...
;
get_kempston:
; Kempston joystick read...
ld bc,0
ld a,(hl) ; get the port row
in a,(254 ... /> ld a,(de) ; get the port that the key was found ...Kempston detectionI could use some help. This Kempston joystick behaviour drives me mad. I've written a game called Necrospermia recently ([url]http://www.worldofspec…
... only one way - select kempston joystick in menu.
... br /> Exist more versions of kempston joystick interface. Old version send ... /> IN A,(#1F) ;read kempston joystick port after HALT
AND ... />
This code real kempston port and detect if low 5 ...Altera CPLD vs Xylinx FPGAI will dig into the world of FPGA's, mainly to find something that can replace one or more GALs for my current and new projects. And it's never bad t…
... protocol (port 1)
input enkemp, // =0 to enable Kempston protocol
// Instantiate and connect the Kempston interface.
// Each one of ... br /> );
endmodule
// Kempston. Port decoding I/O: xx0xxxx1
How do I detect if key 'H' is pressed in machine code?How do I detect that the key has been pressed? I have been using the IN 239 command for keys 6-0, but dont know how to detech 'H'...
... preload of A defines the port you read. So the preloaded value ... ) the 254 makes your final port.
This
port as well, ie KEMPSTON port 31 (#1F)
Thinking of modding an Atari paddle controller for games like Arkanoid...Hello, Was thinking of trying out a controller mod using an Atari 2600 paddle controller to use with games like arkanoid, Batty, etc... The paddle c…
... order of the sequence you read gives you the direction (left ... driving controller right in the Kempston port with no problems?
If ..."Jumping Jack" on Kempston Joystick.Hello. I'm new here, so at start I want to welcome everybody :) I'm totally newbie in ZX Spectrum. But I'm still own Timex without cassete player (I …
... . Selected option Debug/Run Until/Port Read from/Keyboard/Caps-V. Closed ... the code above with this Kempston code instead.
[code] org ...DivMMC EnJOY!Coming up... [IMG]http://benophetinternet.nl/hobby/vanmezelf/DivMMC_enjoy_first_render.jpg[/IMG]
... installed
D1 - SD card Read only mode:1 - enabled, 0 ... ]PORT ADRESS DECODING
hex/dec A15 ... A0 A15 ... A0 READ ... TURBO interface(contain also kempston port) or new KEMPSTON JOY interface. This new ...New multi-interface for ZXI have in development new interface for ZX Spectrum. PCB size is similar as K-MOUSE interface and on board is CPLD (programmable logic), up to 1MB st…
... use IN 31 (#1F) to read Kempston. If they had told everyone ... not exist schematic. But I read about A7 only... :-( Real ... ...
Now I read documentation of FULLER BOX and ... collision between external AY port 95 and kempston port 31, both use A5 ...What would you do with four joysticks?Anyone got some inspiring ideas for four-player games, or twin-stick two-player games..? I can think of, for four players: [I]Warlords[/I] (Atari) […
... isn't compatible with a kempston interface.
The ... is that the convention to read Kempston is IN 31 - this means ... #EF on the Sinclair port and leave the Kempston port as-is, then ... Versteeg's Kempston interface but with either a second port or an ...Beepola v1.08 AvailableA new version of Beepoa, v1.08, is now available for download from:- [url]http://freestuff.grok.co.uk/beepola/[/url] (1.76MB zipped exe, no installe…
... keyboard to exit songs also read the kempston port too. Certainly the most ...X=Y=ZFirst public outing of X=Y=Z for the 48K Spectrum, a 4-level demo which can be download from: [as TZX] [URL="http://www.bobs-stuff.co.uk/extras/xyzd…
... is incorrectly detecting that a Kempston joystick is present sometimes. The ... C when there is a Kempston. During the occasions when ... even though there is no Kempston emulated in my Fuse ... -- it's trying to read the Kempston port and getting 0xFFs.
< ...X=Y=ZFirst public outing of X=Y=Z for the 48K Spectrum, a 4-level demo which can be download from: [as TZX] [URL="http://www.bobs-stuff.co.uk/extras/xyzd…
... /> [CODE]$95B2 IN A, ($1F) ; read Kempston port
$95B4 AND $1F ; discard ... JR NZ, $95BC ; but if Kempston port is silent (all zeroes)
Kempston port could generate anything, including all ...Please explain Spectrum FPGA-clones to meI've been using the great ZXDS-emulator on the DS XL so far, which is great. But I kinda missed toying around with hardware. I've tried bidding on a …
... I/O port read */
if ((adress_bus & 0xFF)==0x1F) /* read Kempston joystick */
Please explain Spectrum FPGA-clones to meI've been using the great ZXDS-emulator on the DS XL so far, which is great. But I kinda missed toying around with hardware. I've tried bidding on a …
... used. A configuration ROM is read exactly once into the FPGA ... configured under software control. The kempston circuit would only be built ... where its about to read from the kempston port. After that it could ...
