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KING OF PONG: Pong revisitedHello everybody. I'm proud to announce you that my last personal project for the ZX Spectrum, "KING OF PONG" is available to download here at WOS si…
... measuring a game's value by technical complexity alone.. but then ... your case for "perfect 50Hz timing" because guess what, every speccy ... . We do know you can sync your code to the vbl ... -
102 colours or 120 colours on ZX?OK then, we're talkin'bout GigaScreen. Two 15-colours pictures set together. Flickering. Interlace thingie. We were counting today and theoretical…
... effects, has anyone tried using raster timing on the 128 to alternate ... the two screens line-by-line so that they're ... -
102 colours or 120 colours on ZX?OK then, we're talkin'bout GigaScreen. Two 15-colours pictures set together. Flickering. Interlace thingie. We were counting today and theoretical…
... effects, has anyone tried using raster timing on the 128 to alternate ... the two screens line-by-line so that they're ... -
102 colours or 120 colours on ZX?OK then, we're talkin'bout GigaScreen. Two 15-colours pictures set together. Flickering. Interlace thingie. We were counting today and theoretical…
... effects, has anyone tried using raster timing on the 128 to alternate ... the two screens line-by-line so that they're ... than the flicker.
By the way demo [URL="http ... -
SpecOS progressOk, As you can all see, I'm back - and I've been working away on SpecOS for a while now. There's a few videos, which you can see on my blog: [url]h…
... , just provide some sort of timing interface so software can regulate ... only timing you should need is PAUSE 1 to sync with the ... beyond what you naturally gain by using those elements of the ... -
SpecOS progressOk, As you can all see, I'm back - and I've been working away on SpecOS for a while now. There's a few videos, which you can see on my blog: [url]h…
... only timing you should need is PAUSE 1 to sync with the ... that won't damage the timing, as PAUSE 1 will still ... beyond what you naturally gain by using those elements of the ... -
Help me understand ZX RGB signal (long)This will be a long post so please bear with me and most importantly help me. I have a 128K+ and +2A that I'm trying to get working with my 15kHz RG…
... both Composite Video and Composite Sync to SCART 20, but that ... instead of R150 as recommended by the online 128K RGB documentation ... +2A also depending on the timing of the camera. The grid ... -
The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... it is actually frame sync'd so scrolling/paging ... br /> Assembly is done by starting with the first file ... /> The expression evaluator works by using CTRL enter on any ... at the correct speed/timing and frame rate ... the assembler directives used by the Z80 version ... -
Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... especially during cache misses and branch prediction errors.
Instructions ... everything as single cycle divided by 3 as you usally pair ... RED) to see how many raster lines time critical code takes ... -
ZX80 and 81 hardware questionsI'm finding a lot of the documentation that is ostensibly about the hardware of the ZX80 and 81 to be primarily about the software. I was hoping some…
... ) triggers horizontal sync, with sources diverging on the exact timing - can anyone ... when enabled NMIs are triggered by horizontal sync[/QUOTE]
It sounds ... timer that's zeroed by the horizontal sync and will autonomously trigger ... -
Paging memoryI've been thinking about a possibility of paging blocks of memory to and from disk. Imagine dividing usable 32KB of Speccys RAM (why do they call it …
... draw on border by OUTing with precision timing in sync with the drawing ... -
What paging scheme is the "standard" for 128K models?Sinclair implemented an arrangement so that even numbered pages are non-contended, and odd numbered pages are contended (quoting from memory, haven't…
... ;583148]Working out the interrupt timing will be fun. It looks ... the machine, merely INT and SYNC to find out if interrupts ... 's no schematic of this, by the way, so to probe ... -
St Dragon (Kixx & MAX Compilation)Hi folks, This title has been doing my nut in for years, and I wondered if anyone knew how to make a working TZX. [url]http://dl.dropbox.com/u/15363…
... game, the routines indexed by the table at 0x8057 should ... /> Sync1 is 680t and Sync 2 is 748t.
... be compensated by a slight change in one timing constant.
Sync won't be of the ... them, please help! ;) Maybe by using a emulator able to ... -
A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…
... multicolor engine to be used by wider adience should touch ... back to "synchronize with the raster beam". But I agree ... - and that is using precise timing they already had built-in ... synchronizes perfectly with the screen raster beam to eliminate all interrupt ... -
28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…
... got 224ts free every 8th raster. I'm not sure ... free colour change every 8th raster.
I didn't ... can change 1 register per raster, which is better than ... that I've lost the timing in the second row ... to keep things in sync (eg. every 8th raster which is free ... -
about Dan DareHi all, I not think this is for MIA forum but want to ask and I will be grateful if anyone help me with answer. I get from ebay dandare tape, origi…
... for loading. Same code, same timing constants. I should consider them ... the File info block: "TZXed by Mikie, Andrew Barker & ... /> PILOT 1336 (x8206P)
SYNC 786,472
DATA 686 ... order.
Unfortunately, sync pulses are very difficult to ... -
BorderTron 3000A little bit of speccy-related fun for a Friday afternoon... I've knocked together a program for Windows which I've called Bordertron 3000 (a suitabl…
... that you can draw in sync with the main picture. No ... effort to get all the timing right by hand for those. It ... ]
I guess a Pentagon timing option could be added, but ... -
Kralizec, a MSX development group, publishes "MajiKazo" for ZX Spectrum[youtube]wJI30FyT7Qw[/youtube] It's a port from a MSX game called [URL="http://www.generation-msx.nl/msxdb/softwareinfo/3449"]MajiKazo[/URL] release…
... 1 is the original version by Lemonize, which uses the floating ... to synchronize with the screen raster and therefore being able to ... compatible with all models, carefully timing all the ingame routines so ... -
Incorrect Spectrum +3 emulation: different results on Fuse and SpecEmuWhen developing and testing [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0027591"]Rotatrix[/URL], I noticed different results on Fuse and S…
... -wide multicolour and found timing differences that appear to ... comfortably with the line-by line memory contention. The ... That way, by the time the TV raster displays the first ... no late-timing gaps show up) and by the time ... are no early-timing gaps either. -
ISO-Copy - Individual Software revisitedHi folks In another thread about Supertape: [url]http://www.worldofspectrum.org/forums/showthread.php?t=36203[/url] ... we touched on ISO-Copy by th…
... to correctly understand the wave, by direct observation, so a naturally ... , and so.
By looking at the pilot ([URL ... in this tape throw following timing approximations: 2156.25, 2158. ... is the data stream. These sync pulses take 82 samples, that ... -
ZX 81 like touch typing lives again!Well, kind of. Almost. Microsoft's new TouchCover for the just announced Microsoft Surface, features a tablet cover that doubles as a keyboard that u…
... issue you raised of a branch office with low bandwidth. The ... Office while editing documents and sync when they were done (native ... to your existing system overnight by purchasing an additional 10,000 ... -
BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…
... if I really push the timing with everything unrolled and fixed ... for a row behind the raster, then completing that row before ... the raster comes round again. Kind of ... scrolling, but on a line-by-line basis.
There ... -
Spectrum Emulator that supports low resolutions and runs smoothlyHello to All, I have been trying to find a spectrum emulator that will work well through my CRT TV (using RGB to Scart) Most emulators seem to supp…
... almost certainly trigger the vertical sync late.
[ ... can be generated is goverened by the VSync and !HBlank signals ... actual syncs.
The timing points for these signals are ... counters are delayed slightly but by less than half a ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... brand new information about TK90X timing:
[LIST]
[*] Memory ... to synchronize interrupts with the raster beam, and the multicolor ... ]with normal (non-late) timing[/I] using either a TK90X ... since they were obtained by 3 different users independently:< ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... real TK90X (tested independently by both Antonio Parra and Flavio ... delay, it means the raster beam is reading this screen ... it matches the memory contention timing reported earlier (as expected).< ... were the same. No timing variation was identified in previous ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... on all Spectrums from a timing perspective - in other words, ... avoid the need to derive sync signals from composite video (only ... output DVI buffer exactly in sync with where the electron beam ... buffer is basically written to by sniffing out screen writes. The ... -
WIP: ULAPlus hardware implementationThis aims to be an "almost" plug-in replacement for the Sinclair ULA chip fitted in Spectrum 16K/48K/Plus machines. It comes in a form of a small PC…
... on all Spectrums from a timing perspective - in other words, ... avoid the need to derive sync signals from composite video (only ... output DVI buffer exactly in sync with where the electron beam ... buffer is basically written to by sniffing out screen writes. The ... -
Games with good scrollingI know the Speccy's forte was not scrolling games but their must have been some that not flick screen and maybe even smooth! I remember playing a few…
... behind the TV's line-by-line (raster) refresh, trying to get ... everything done as the TV raster ran ahead and went on ... 't also carefully modelling the timing of the TV refresh. The ... brief period that the TV raster sweeps over them, then they ... -
Gameboy advance Speccy emulation?I have heard , but can not find clear / understandable info on emulating the spectrum on a Gameboy Advance... but it is apparently possible? Using '…
... games that relied on TV raster timing or multicolour effects will flicker ... can scale the whole screen by the same amount.
