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Where do I begin to build an emulatorHi I would like to build a Spectrum emulator from scratch, the reason? well I'm curious, to see if I can =) I've successfully ported Pocketclive to X…
... some tip on where to begin.
Any good sites, good ... -
Emulator w/ "raster scan" position infoHi, Sorry if this is common knowledge or something - I seldom use emulators. Is there a Speccy emulator with a single-step debugger that will allow …
... to (visually) know where the raster beam is at any given ... -
My attempt to restore the CPU clock signalI know Winston has already got this, but I can't see any thread with details about it. Only wanted to share my (still early) results. I'm not taking…
... [2];
always @(posedge mclk) begin
if (cpuclk_in_n == 1'b1 ... -
ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…
... /source/list]Baseconf[/url] -- raster and ULA contended memory emulation ... both 15kHz or 31kHz raster and cycles through pentagon-& ... 60Hz->48k->128k raster modes. Single stroke changes ... /> Gasman: for some help with raster/contended memory
... -
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…
... the position of the TV raster.
SP1's display ... .
And then we begin drawing. The first graphical element ... -
Between interrupts and handlersSee there's this short period of time immediately after an interrupt comes but [i]before[/i] the control is transferred to an interrupt handler, abou…
... shift the counting for the raster-beam, meaning that its actual ... 19 T-states doesn't begin just when the low INT ... INT acknoledge cycle won't begin until the current instruction ends ... -
20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... 224/228 tstates slightly, and begin each pass slightly later for ... line.[/QUOTE]
The raster takes 4 states to draw ... -
Small demo to show my sprite engine for ZX Spectrum 48KThis demo shows 13 sprites moving at 50fps totally flicker free: 12 enemies bouncing in edges and the main character, controllable with OPSA (note S …
... output never crosses the raster even as you begin modifying the screen ... -
Advices for double buffering ?Hi, I'm currently coding graphics routines for a forthcoming game, I use a double buffer (the dummy screen is at $e000, the code at $8000) to pro…
... a linear fashion behind the raster beam etc. If there ... the buffer behind the raster is still a good idea ... to avoid flicker. The raster comes across the top of ... of that duration before you begin. In fact it doesn ... [i]exactly[/i] you begin copying as long as you ... -
IT Here !!, The STP Project (MIS 2)Hi Folks, No one seemed to be excited about my previous announcment of a MIS 2 project. Anyway, the name has been changed to protect the innocent an…
I like Mask.Im the only man who like Mask from Gremlin?? I readed reviews on SU and got low ratings.. well I liked a lot its gameplay and the way you get the le…
... and smaller levels at the begin..
I like Mask ...DemosIt's all a bit daunting to me when I look at those demo sites like raww and demotopia. I'm interested in trying out some demos on my 128, but I don't…
... don't know where to begin. Raww in particular seems confusing ...Yet another what game was it requestGame involved flying about picking up a hell of a lot of keys to open doors. I remember transferring energy from thrust to energy (or vice versa?) …
... versa?) and the game might begin with C, but nothing looks ...Another Spectaculator suggestionHi Jon, When testing submissions for the vault, I generally double click on a file to automatically launch Spectaculator which is normally running i…
... I launch a .tzx file, begin loading it using the cassette ...FIND'EM ALLPlease place on this site some information(sites with downloads,articles) of - "LOST" games (It is games from my forum "Unknown Games For ZX-Spectru…
... ) and others... ... ... ...
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Begin search!
Ghenghis Khan(Picture ...'LOST' GAMES (A-C) FROM N4Interesting statistic of A-C games from N4 (500 GAMES)...Comments: -Fnd (Finded game.This game you can download from W.O.S. or others sites) -MIA (It…
... (Info from book)
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-11-SIDE ...Spectrum Software Site UpdateHi, We have just added the following Spectrum titles to our store...................... (All brand new and totally mint condition) uk861 Raster Run…
... mint condition)
uk861 Raster Runner (Blister Pack)- Sinclair ZX ...TZX format updateHi folks. Following the private communication with Andy I would like to start a discussion on changing the TZX format to reflect new needs and improv…
Finishing my Ragnar game...Hi all, Way back then, in my youth, I worked on a game for the Speccy called "Ragnar", which was a 3d isometric style mcoded game written from scrat…
... frame interrupt (i.e the raster line position - I think I ...Great escape...Hi my friends, I download Spectaculator ver 6.25 and then grab the Great escape, but I had problems in playing the game... I just use the keyboard …
... to know how I can begin to play the game. I ...Arcanoid - Red Shift re-incarnatedI hadn't updated my web site Red Shift for three months now and I decided that the time has come for just that. To begin with, I've changed the loo…
... just that.
To begin with, I've changed the ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... absolutely no idea where to begin. To be frank, I have ...Name of gameYet another game name request:- I borrowed this from my local the library & copied. It was a shoot em up similar to ace of aces, but set in space. T…
... , but set in space. To begin you had to fight off ...Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…
... ,76 ;delay to wait until raster is
DELAYA LD B ...Doom 3 - hell's bells!Two days back I picked up a copy of Doom 3 and even before I'd started the game I had this strange creepy feeling... Two nights of playing later... …
... few seconds pass before I begin following the trail to see ...
