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A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
A Thread with not much Speccyness about it..Sorry this not only non-speccy related but is also somewhat C64 related:o But hey this is the chit forum is it not? Anyway, I already posted this q…
... not have a lot of vertical height. My biggest problem is ...PS3 audio issues...I'll be eternally grateful if anyone can help resolve this issue I've been having with my PS3. I'm basically trying to get my PS3 to go into my hi-fi…
... , and there are slow rolling bars on the screen. The phono ... thing. In fact, the rolling bars seem to be worse with ...Faulty rubber speccy - advice neededHello all speccy hardware gurus :) Recently I moved to a new flat and after a long time have some space (and time) to dig out my old Speccy hardware…
... fitted - black paper with thin vertical lines.
Since the ...joining lines of BASICDue to overwhelming demand - well, one demand - well, more of a suggestion, really - here's a routine to join together lines of BASIC. The vertical c…
... together lines of BASIC. The vertical cursor motion code is based ...Sevenup - bug or feature ?I have noticed a very peculiar behaviour of this great utility. I have for example a picture of 3 vertical lines which is 19 pixels high and 16 pixe…
... example a picture of 3 vertical lines which is 19 pixels ... 8 horizontal pixels. But in vertical dimension there aren't any ...editing strings with INPUT LINEHere's the latest in my unpredictable series of utility routines. This one I needed for the SAGE game editor; it emulates INPUT LINE l$ but with the …
... the string).
The vertical cursor enhancement from "joining lines ...SEUD - How to - Part IOK, a few weeks ago, I bought my copy of SEUD to make my first game on the Spectrum after 26 years! :) I'm learning it yet, but I'll show to you my a…
... the direction of the game (vertical or horizontal), you will create ...old PC with Monocrome Monitor Out.So as discussed in the Carboot sale thread, I have brought and old Apricot Xi. It takes a monochrome monitor via a 9 pin D connector. Now I don't ha…
... /> 4 horizontal sync
5 vertical sync
6 frame ground ... kHz; the frequency of the Vertical Sync Pulses, 72 Hz. The ...Scrimpy screensHere's a question - how small a window can you get away with as a playing area for an arcade/action game before anyone notices? From the very earlie…
... good aspect ratio for a vertical shmup:
[IMG]http://www ...Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …
... black display with thin red vertical lines.
Next, the ... .png[/IMG]
The vertical white markers show the times ...Inefficient code in ROM, from ram-check to RAM-DONEHere is the inefficient code: [CODE] ;; ram-check L11DA: LD H,D ; Transfer the top value to the HL register LD L,E …
... that modifed one show blue bars instead red.Things to ponderJust some questions that have tugged at my curiosity recently, and since I'm stuck here sorting out a laptop (gorgeous Saturday, tons of things I cou…
... a lot of program launch bars available, but I seem to ...Newbie needs help!!I own a 48K Speccy bought at a Car boot sale and would love to get it working although I haven't the faintest Idea what I am doing! It had a dodgy k…
... flashes and has the horizontal bars but keeps doing that until ... and it had the loading bars and flashes but in the ...Is there any software that can do this?Not sure if this should go in here or Sinclair Misc... There's a YouTube user who says he's been experimenting with music visualization and his video…
... better than the usual 3 bars in demos with AY music ...What's wrong with this code ?OK, working my way through Jonathan Cauldwells 'How To' tome and I can't get the following to run in either spin or basin. ( iused the assembler in b…
... remember, x is the vertical coord!
ld a ... remember, x is the vertical coord!
ld a ... ld a,(plx) ; player vertical coord.
rst 16 ; ... set vertical position of player.
...No video in Spectrum 128k +2A Grey[B][COLOR="red"]EDIT: 26-05-2012 = Thread topic edited[/COLOR][/B] Hi everyone, Recently i won a Spectrum 128k +2A Grey at ebay UK. The Spectrum …
... frequency i have some blue vertical lines but not very perfect ...Deceiving gamesWhat games you had good expectations. Games which yourself hope to have been better the more you played, but simply doesnt evolved. The first which …
... to be a kind of vertical [I]Defender-cross-SpyHunter[/I ...48k+ CPU SocketThink I've bitten off more than I can chew... After the desoldering my z80 went without incident, no damaged pads, tracks etc. I expected the socket…
... me additional black and white bars. The internal speaker is buzzing ...4116 replaced by 4164 - "Noisy" paper?After I replaced my 4116's with 4164's and hooked them up to +5V, disconnected -5V and +12V, I have what looks like vertical lines in the paper, like…
... , I have what looks like vertical lines in the paper, like ...New recoloured game -Curro JimenezAs promised, here's my new project that brings colour to a monochrome game Apart from adding colour I retouched graphics a little (check tents and c…
... later levels which use smooth vertical scrolling. I did what I ...ZX81 back porch fix using LM1881Hello! Has anyone here did the back porch fix for ZX81 using LM1881? I did it this weekend and instead of clear black on white i got black on dark g…
... picture has a lot vertical aftifacts (darker/ligher vertical lines). Probably from ...BIFROST* Advanced Programming - part 1In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw & animate everything in multicolor for you. …
... /> int lin[NUM_TILES]; // hi-res vertical tile position
int col ... /> int dlin[NUM_TILES]; // hi-res vertical tile movement
int dcol ...BIFROST* Advanced Programming - part 2This second demo shows animated and moving tiles together, and also how to implement collision detection. This knowledge should be enough to implemen…
... /> int lin[NUM_TILES]; // hi-res vertical tile position
int col ...
int dlin; // hi-res vertical tile movement
int px ...BIFROST* Advanced Programming - part 3This new demo demonstrates the BIFROST* built-in sprite support that I mentioned before. In BIFROST*, "sprite tiles" are 2 special tiles that BIFROS…
... /> int linEnemy, linPlayer; // hi-res vertical tile position
int colEnemy ... /> int dlinEnemy, dlinPlayer; // hi-res vertical sprite movement
int dcolEnemy ...Computer pranksAnyone ever play a computer prank on a friend, or had one played on you? Here's a few which will make you laugh that I did back in the day... In 19…
... courtesy of my kit kat bars which I would often stick ...Work out attribute location in MCHow do I go about writing a MC routine which calculates the attribute address from a set of PRINT co-ordinates. I know you in basic you multiply the…
... in basic you multiply the vertical co-ord by 32 add ...Interview with Steve Wetherill (Odin)Hi you all!!! Here is the interview done to STEVE WETHERILL (Nodes of Yesod, Robin of The Wood, Arc of Yesod, Heartland... ?Odin!) and published at […
... have had time to add vertical jumping and platforms to Heartland ...BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…
... /> int lin[NUM_TILES]; // hi-res vertical tile position
int hrc ... /> int dlin[NUM_TILES]; // hi-res vertical tile movement
int dhrc ...
