-
Assistance with IM2 routineI subsequently got a working IM2 routine.
... /> When the interrupt occurs, the I register is used as the high ... -
Assistance with IM2 routineI subsequently got a working IM2 routine.
... , aowen wrote:
Thanks. I knew it had to be ... something simple. I just don't understand why ... putting $fd in 'I' doesn't jump to $ ... call.
As I understand it the reason for ... is the value of the I register.
In a ZX ... -
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…
... id is combined with the I register (with I the most significant 8 ... subroutine address stored at (I*256+0), (I*256+1) and peripheral ... subroutine address stored at (I*256+2), (I*256+3). Had peripheral ... /> Since we can change the I register to whatever we want, we ... -
Summer of 76Anyone else see this program tonight?? Nice to see a more factual representation of the music of the era (with some comments from John Lydon, Captai…
... right back to when I was around 2 or ... even younger. However, I struggle to put them into ... remember music etc, as I didn't really listen to ... music until I was about 12.
... that followed. Frozen snow, and more snow, I used to skate about ... -
Best game???Every platform has its best game. What would it be for the Speccy? Any type of game is ok. Thanks! cbmeeks
... in there -- not sure I agree with the ordering and ... has the best quality scrolling but I prefer R-Type as ... saw it -- but sadly I don't like the game ... the moment. One thing I noticed missing from the top ... Russian) and several others I'm sure. Actually anything ... -
Ebay - a couple of questions.Well I've been buying stuff from ebay india, but I was wondering if I'm allowed to buy stuff from other ebay locations like ebay UK and USA. That is,…
... . That is, even though I'm registered on the indian ... UK site? If not, can I register on the UK site and ... from overseas Ebay sites, I'm pretty sure your registration ... is global. I registered with ebay.co.uk ... com without having to re-register. -
Ebay - a couple of questions.Well I've been buying stuff from ebay india, but I was wondering if I'm allowed to buy stuff from other ebay locations like ebay UK and USA. That is,…
... That is, even though I'm registered on the indian ... site? If not, can I register on the UK site and ... />
Also, last night I was outbid by someone who ... the item except me. I can't imagine someone watching ... often?[/QUOTE]
i never bid till the last ... -
Ebay - a couple of questions.Well I've been buying stuff from ebay india, but I was wondering if I'm allowed to buy stuff from other ebay locations like ebay UK and USA. That is,…
... site? If not, can I register on the UK site and ... />
Also, last night I was outbid by someone who ... the item except me. I can't imagine someone ... second. Sniping is good ! I havent lost out to any ... fellow snipers, i normally always put my maximum ... -
The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…
Though think of the I register in the $40-$7f range, the R register and memory refresh cycles :)
This is only my first attempt at controlling an effect that's been known about for years! -
Too. Damn. Hot.It is well known that the melting point of a computer geek is 27 degC. Being in a 30+ degC heat does not make me a happy bunny. Bring back the snow!
funnily enough, the only *real* snow i've seen for years was ... in January, made driving fun i can tell you :D
Restore Registers Returning to BASICI should really know this, but I've not written code that requires a return to BASIC for a loooong time. What registers need to be preserved / resto…
... the EXX' would help.
I've actually got the code ... altering the I register but that made no difference. I think I've just ... missed something simple, tho' I was gonna look at it ...The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…
... at the value of the I register, and uses this as the ... interrupt routine, you then LD I, A (where A is the ... /> Does that make sense? Sorry, I'm kinda thinking this as ... I type :)
Contrary to ...Urgent Help needed to fix this: calling all machine code gurusI am currently trying to write tutorials on the amazing Orfeus music composer by Proxima which allows you to do multi channel music through the beepe…
... that to use the labels I think is the first problem ... be a problem setting the I register to #3b when in IM ... if that works.
I'll look more after lunch ...Urgent Help needed to fix this: calling all machine code gurusI am currently trying to write tutorials on the amazing Orfeus music composer by Proxima which allows you to do multi channel music through the beepe…
... (with the modifications I mentioned above regard the BC register), and you ... , and it'll alter the I register, so you'll need to ... .
If I had more time I'd rip out the ... for you... but right now I don't have the time :/New Spectrum GameNow that Izzy Wizzy is finished I've been tinkering around with a few old routines over the past few days and put together a single-level demo of a S…
... Lunaris.
Good scrolling and I like the gravity, controls and ... code repository idea. For Bipboi I am currently building up routines ... , documenting as I go, doing flow charts etc ... it in the end. Maybe I can host a site that ...ZX Game Book UpdateHi all... For various unrelated reasons the time I have for editing has been limited to weekends, but I'm still plugging away. I have created 'fi…
... Yay!!!1eleven1![/B]
I just called the printers and ... br />
(And more importantly I can test envelope/packaging sizes ... days :)
Although I should point out that I have a greater ... C64 due to the smoother scrolling (sacrilege, I know ;) )One week on from Christmas......and I'm *still* humming "Proper Crimbo" to myself...
... called.[/quote]
Let It Snow. I can't remember who sang ... it offhand but I think it may have been ...One week on from Christmas......and I'm *still* humming "Proper Crimbo" to myself...
[QUOTE=Necros]Let It Snow. I can't remember who sang ... it offhand but I think it may have been ... />
Necros.[/QUOTE]
i don't mean that one ...One week on from Christmas......and I'm *still* humming "Proper Crimbo" to myself...
... />
[QUOTE=Necros]Let It Snow. I can't remember who sang ... it offhand but I think it may have been ... />
Necros.[/QUOTE]
I looked it up once and ...We're a bunch of wussesLess than an inch of snow has fallen. EVERYBODY PANIC. [url]http://news.bbc.co.uk/1/hi/england/6293511.stm[/url] OK everybody, listen up. THIS is w…
... a child I lived in Norway, shovelling snow away from ... we had to remove snow from the skylight using ... I'm astonished at how most British people deal with snow ... .
I mean DON'T ... because I wanted to get though the snow, but I was ...Lunter's Z80 RegistrationHow can I register or crack Z80 v4.0 Please someone answer me.
[QUOTE=chixus;23135]How can I register or crack Z80 v4.0 ... />
To crack? No. To register? Z80 is not so good ...Game Programming Source Code & Startup HelpHi there, I'm planning on porting an existing commercial title to the speccy. I'm in the process of disassembling the original code and commenting i…
... look at some existing tile scrolling games. I spent some time disassembling ... />
For 48k:
I like the most game engine ... 48k, 25fps large 8way smooth scrolling games. Both used fast unrolled ... />
For 128k,
I like engine from game Darkman ...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…
What are your questions? I can consult you.
... storage. It has the only I/O port - #FE (it ... , by access to any I/O address). This creates ... with #40...#7F values in I register, nothing breaks. In fact ... analog, with expansion slot. I beleive PCB can be retraced ...Possible great ideaHello there everybody, I have been toying with the idea of doing a project here with the help of the gurus on the forum. The idea is to start the de…
... thing finished :-) I have other projects I would like to ... require some experience. Anyway, I think there would be room ...
[/quote]
I think I would have to present it ... buffer (for scrolling).
[quote]
I am merely trying ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... done, but I am struggling with the actual scrolling. I had it scroll ... perfectly but not the message - it was scrolling ... from source to destination, [I]n[/I] bytes of data whilst ... what we need for scrolling. What I do not know is ...concerning soviet graphicsis there any game using a similar tricky technique how to let colorful objects move fluently with no color clash as soviet? (the colorful tops of bui…
I think Dan Dare 3 is ... its hardly noticable. Very fast scrolling (8px i think), and a smooth ...Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... to the pointer "g_land". As I've mentioned many times before ... and remainder respectively. So what I've done is declared a ... the map for text and scrolling messages. I tentatively decided to place ... have in your zip because I have since fixed bugs concerning ...He's back......and he's got a new trick! AY Chip here. I've been away far too long. I would like to announce 'HatStand': for no adequately explored reason, I h…
... . The Z80 then takes the i register and uses that as the ...IM instruction - danger Will Robinson!!! :)Here's something I've wondered about for years: On page 102 of "Mastering Machine Code on your Zx Spectrum" by Toni Baker, there's an instruction li…
... the CPU looks at the "I" register and uses that as the ...New tape releases - 128K only?As Jon's new Egg-Head game is 128K only, and splATTR has also evolved into a 128K only game - both due to memory constraints - I was wondering if the…
...
This program modifies the I register in the game due to ... t, it changes the I register so it points to 15359 ... it somehow.
I also had a +2A. Games ... above. 99% of games I tried, I made them work. Note ... worked for me, though. I had an MCM re- ...
