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Detecting a Kempton joystick...I've been playing with the idea in the games I'm currently developing so that once the Kempston joystick has been selected you can hold FIRE down to …
... without a Kempston attached and IN 31 constantly returns values of 0 ... where you continually read port 31. If bits 5, 6 or ... -
Detecting a Kempton joystick...I've been playing with the idea in the games I'm currently developing so that once the Kempston joystick has been selected you can hold FIRE down to …
Detecting a Kempton joystick...I've been playing with the idea in the games I'm currently developing so that once the Kempston joystick has been selected you can hold FIRE down to …
Detecting a Kempton joystick...I've been playing with the idea in the games I'm currently developing so that once the Kempston joystick has been selected you can hold FIRE down to …
Youtube DumpI think there was a thread containing only Youtube vids before but I can't find it so here's a new one. To start, here's my current favourite Mighty …
34 hits in 31 secs:
[youtube]XtD9W51SMoU[/youtube]
Ultimate way to smash a Creme Egg:
[youtube]vrCb_fNmSTA[/youtube]Firefox vs Opera Fight, Fight, FightI believe a lot of us have migrated from IE to Firefox, but how many are now on Opera, is it any good. And please no Apple Zealots rattling on about…
... I can use the net in my own room, ubuntu 8 ... .
But tell me, IN 31, why do the open source ...Firefox vs Opera Fight, Fight, FightI believe a lot of us have migrated from IE to Firefox, but how many are now on Opera, is it any good. And please no Apple Zealots rattling on about…
[QUOTE=wilsonsamm;282706]But tell me, IN 31, why do the open source people piss you off so much?[/QUOTE]
Because it is driven by nerds, not by real people who have to use the software.upgrades what you looking for?i start working for upgrades for ZX, but i'm Atari specialist and i don't know exactly what you need for ZX. On the moment i have DIVIDE in stock, an…
... at the second post of velesoft in this thread:
[url]http ...Blake's 7I've got an idea for a Blake's 7 video game for the 128K Spectrum (Only problem is I can't code in neither machine code or Sinclair BASIC, so I will …
... /> Can you compose the song in Soundtracker?
[QUOTE]
... /> Combining Kempston with Sinclair in 2-Player mode is not ... interface is not connected? The IN 31 Value is changed randomly. ... ??? Why this??? Please explain, why in the hell is this necessary ...some debugger in emulators that is able to brakpoint when a mem address is accessed ?Is there a debugger (disassembler) available in some emulator that is able to stop (breakpoint) when a particular memory address is accessed ? For e…
... breakpoints on memory write etc. in SPIN, here's a ... Kempston joystick interface, accessed via IN 31. The most common way of ... reading this in machine code is the "IN A, (31)" instruction but ... br /> UNTIL (RPORT & 255) = 31
...which masks off the ...Defenda (Interstella) makes resetDefenda from Interstella makes a reset if I take No. 1 Kempston joystick. My jockstick interface is from Ram Electronics (Fleet) Ltd. Joystick is a C…
... /> 10 PRINT AT 0,0; IN 31; " "
20 GOTO 10
IN 223 instead. To check just ... /> 10 PRINT AT 0,0; IN 223; " "
20 GOTO 10 ... ,223: before the RANDOMIZE USR in the loader.
I ...Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…
... joystick is not moved then IN 31 will consistantly and constantly return ... /> 607: 889A ED58 L889A: IN E,(C) ; Read IN 31
608: 889C ...Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…
... disconnected, and I read IN 31 while the ULA is still ... is connected, and I read IN 31, can I be sure ... that I've just typed in.[/QUOTE]
... possible:
- read port 31 after HALT instruction (or at ... -D4 are both in 0
If IN 31 return on bits ...Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…
... ; synchronise with interrupts
IN 31 ; read joystick port
AND ... bus will normally give
(IN 31) AND 31 = 31
which won ... proposed game-starting condition:
(IN 31) AND 31 = 16
Would ...Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…
... ; synchronise with interrupts
IN 31 ; read joystick port
AND ... bus will normally give
(IN 31) AND 31 = 31
which won ... proposed game-starting condition:
(IN 31) AND 31 = 16
Would ...Whats your definition of "geeks" and "nerds"?I see that being a geek or a nerd is something that is coming more fashionable ,i have no idea or what it would take to be one,but i think its being …
... an attack on Asbergers, so in retrospect, I could have been ... more sensitive in my wording.[/QUOTE]
in #31; it was unnecessary. I of ...Joystick interfaceHi everyone. I am back and i could not be happyer. Done my AS and got A in maths + futher maths Anyway, how do i use a joystick interface. As in h…
... generates keypresses.
Joystick in port 1 generates 6 for ... 0 for fire.
Joystick in port 2 generates 1 for ... to read from port 31 (LET a = IN 31), and check the value ...Joystick interfaceHi everyone. I am back and i could not be happyer. Done my AS and got A in maths + futher maths Anyway, how do i use a joystick interface. As in h…
... LET fire=0: LET kj=IN 31: REM note: reset fire event ... ;"*"
40 IF (kj>31) OR (kj=0) THEN GO ...SPIN's breakpoints - an overviewAs quite a few people have been asking how to set breakpoints on memory write etc. in SPIN, here's a description of the way the breakpoints work. Get…
... Kempston joystick interface, accessed via IN 31. The most common way of ... reading this in machine code is the "IN A, (31)" instruction but ... /> UNTIL (RPORT & 255) = 31
[/code]
...which masks ... This breakpoint not work :-( Ignore IN A,(31)...yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... store it to register c in 31 t-states. by repeating this ... br />
;; ---- bit 0
in a,(0xf7) ; get rs232 value ... | 4
nop ; -"- | 4
;; = 31 t-states
[/CODE]
in DI...EI block is lost ...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:/…
... unstable, absent pull-up resistor in joystick connector
+ ...
- kempston port 31 decoder use uncomplette adressation (IORQ ... of floating bus value. PRINT IN 31 not return clear values of ... need D5-D7 in log.0 state or in sobe games ...what was the first game you played with your new joystick interface ?I remember getting a kempston + quikshot 2 (soon trashed) from the local woolies and electrical shop... first game... decathlon, was great at trashi…
Hunchback was the first game I played with a Kempston interface & Quickshot I joystick, I also remember you had to type IN 31 or INPUT 31 to make it work.(grey) +2 ear modI saw some references here and there about grey +2 machines which had an external ear connector built in, so you can use external audio devices for l…
velesoft in to the post #10 you showing the light,but you like walk to the dark..
i have rdy this mod in to my +2 year ago.. working perfect [url]http://www.youtube.com/watch?v=NkF-N1HXLrU[/url]Joystick Interface IssuesHi all, I use the WOS resources quite frequently but have very limited posts regarding the forum, however I have an issue and hoped some of you may …
... be the way the port (31) is adressed.
Some ... BC,31
IN (C),A is full adressing.
IN (31),A ...Spectrumpedia - the Spectrum encyclopedia.Dear fellow Spec-chums, it is with great pride that I present you the result of an intense work of research I have been carrying out lately. It is …
... am sure there's interest in it, I will translate the ... read a review back in the day in Sinclair User, together with ... of the Videoface mentioned by Velesoft in [URL="http://www.worldofspectrum.org ... Sinclair's Rage Hard feature in issue 29.Spectrumpedia - the Spectrum encyclopedia.Dear fellow Spec-chums, it is with great pride that I present you the result of an intense work of research I have been carrying out lately. It is …
... am sure there's interest in it, I will translate the ... read a review back in the day in Sinclair User, together with ... of the Videoface mentioned by Velesoft in [URL="http://www.worldofspectrum.org ... Sinclair's Rage Hard feature in issue 29.[/QUOTE]
Yep ...ZX 128k +2 Bad deal - BrokenI recently traded a C64 for a ZX Spectrum 128k +2 (grey model). I sent a fully working C64, with doubles of the tapes I had. I recieved a shabby and …
... put an AWG 30 wire in place to replace the broken ... ]
Soldered IC socket in place.
[IMG]http ... /> GAL programmed and provided by Velesoft in place (Thank you very much ...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…
... one way - select kempston joystick in menu.
Exist more ... is bits from floating bus). IN 31 after halt can return value ... :
EI
HALT
IN A,(#1F) ;read kempston joystick ...Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
[QUOTE=ub880d;662238][CODE]7000 LET ii=IN 65022: IF ii
