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New game: Chrimblast!Submitted to the[url="http://zx-dev-2015.proboards.com/thread/32/new-entry-chrimblast"] ZX-DEV 2015 comp[/url] already, so hopefully Ivan et al are o…
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There will be sprite flicker, there will be colour clash ... -
Spectrum Screen RAM layoutHi there The spectrum screen layout is rather odd. It seems to be arranged into 3 256 byte groups. If I have an x (horizontal) coordinate (from…
... to 31) and a y (vertical) coordinate (0 to 191), what ... -
New K-MOUSE 2016-LPI plan make new PCB version of K-MOUSE 2016. This version will oneboard, horisontal, without cinch connector. "LP" at end sign LOW PRICE. Price of ho…
... two additional ZX bus(throught) vertical connectors (+ 5 or 10 USD ... -
Spectrum 128 video issuesIf you can tolerate 30 seconds of awful generic music, have a glimpse in my video below. I have muy toastrack hooked on RGB and I have flicker and…
... on RGB and I have flicker and sometimes instant dissapear of ... -
Spud81New version of Spud81 out, not done much really except add vertical and horizontal hold settings and tweaked under the bonnet a bit. Anyway, enjoy…
New version of Spud81 out, not done much really except add vertical and horizontal hold settings and tweaked under the bonnet a bit.
Anyway, enjoy!!
http://bit.ly/MYuLBX -
Z88DK NOOB cplot INK colorHi I am a complete NOOB with Z88DK, I am trying to draw colored circles. How does ink, paper and border work with Z88DK. I started trying to wo…
help with broken +2 greyHello, the other day I was trying to record sounds from my grey +2 "sound" socket to an old cassette recorder. Suddenly the screen went to a solid…
... a solid black border with vertical bars and has been that ...48K Issue 6a wobbly and flickering TV outputHi folks, Found an untested issue 6A Spec whilst tidying up and it had a warranty sticker on it from a past repair which seemed to be a socketed L…
... output was dodgy at best - flicker and what can only be ...Basic Screen Shadow QuestionHello, I've been porting a game to the Spectrum from another platform. So far so good and I have per pixel screen scrolling working really nicely …
... correctly fills the screen with vertical lines. This works correctly
Rolling display from RGB port on a +2Hi gang, after many years I finally decided today to attempt connecting my +2 to my Japanese RGB monitor. Using just the composite video pin only …
... , ground and composite sync. Connecting vertical sync makes it go worse ... rather than better. Just with vertical sync I get no picture ... inputs and separate horizontal and vertical input. Now, when I connect ...ZX 128+ RGB Scart - ghosting,patterns,flickeringHi all, I have a ZX Spectrum 128+ with RGB Scart (from TheSinclairShop bought ages ago) hooked on a 40' Samsung Smart TV. Awful ghosting, silly p…
... , silly patterns and non periodical flicker
https://www.youtube ...Shimmering displayHi all, I've got a 48K issue 4S and it appears to be working apart from it's displaying weird vertical shimmering patterns. It passes a RAM test t…
... from it's displaying weird vertical shimmering patterns. It passes a ...Strange things about my +2AHello everybody I´m from Spain and first of all I want to thank you the oppotunity of join to this forum. And second, my problem. I have and old…
... map of the empire, violet vertical bars and bye bye, just ...Contended memory article on WikipediaYeah, apparently there's one. https://en.m.wikipedia.org/wiki/ZX_Spectrum_Contended_Memory [quote] However, the ULA must wait for a Z80 read or wr…
... was generated by the display vertical refresh signal. This ensures that ...Just had the weirdest power cut ever Oothis morning i was posting Johnny Cash songs on google+, then i took the dog out. Came back noticed the downstairs lamp was flickering so thought it …
... on, could see the bulb flicker abit but not lit as ...Save video directly from ZX 48K hardwareWhat is the best "proven" way (bets quality) to acquire video from a Speccy 48K ? I have converted the the TV out into AV,,with the usual mod (wit…
... I don't see any vertical shaking, but on the captured ...Can I name a subroutine and then call it by name?No thats not really exactly the problem. I wrote 4 lines of Basic that draws an 8x8 square and then told it to check x,y and subtract 4 from x or y t…
... a character moves would eliminate flicker but it doesnt. Its quite ... fast but theres a flicker so I thought well I ...48k spectrum problems at bootHey guys so my 48k Specfy, Issue 3B is having some issues. They're not entirely consistent but the majority of the time (95%) it presents itself as m…
... bands of video noise with vertical black and white banding and ...z88dk sp1lib with fzxThe numbers dont seem to display properly? fzx by itself works [quote] // for targets supporting fzx // zcc +zx -vn -startup=31 -O3 -clib…
... pixels
char dy; // signed vertical speed in pixels
unsigned ...Key repeat weirdness with EI & IYI finally (after 35 years!) decided to write something a) for 48k speccy b) in z80 assembler. It's been over 20 years since I've written anything in …
... HALT instruction to wait for vertical retrace. And HALT does not ... /> Or can I wait for vertical retrace without HALT & EI ...iPhone 5 screen fading with stripesHallo folks :) [b]Disclaimer: yes, I've googled the problem and it looks like it's a knackered 'digitizer'/screen issue but just thought I'd check…
... getting a faded screen with vertical stripes. Everything works fine in ...FUSE 1.4.0 and Spectranet how do you use it ?Hi I just thought I'd give this a go. But I don't understand how it's supposed to work when I enable Spectranet in the peripherals menu it asks me …
... just see blue an cyan vertical bars and don't get ...A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... : control number
;Col 2: vertical coord
;Col 3: INK ... /> ld a,(ix+1) ;? down (vertical coordinate)
rst $10
ZX DEV 2017 RetroforceAlthough a little early, considering the January deadline, we have finished our competition entry for the 2017 ZX DEV conversion competition. Our gam…
... called "RetroForce", and is a vertical shooter, inspired in part by ...Some tips to play Army Moves part 1Well, here's what I found out while trying to finish the game. [b]General comments[/b] - Like many other games by spanish companies, even if yo…
... over jeeps or on your vertical when you are very close ... down planes, move on your vertical to dodge them.
GZX emulator source code publishedHi, GZX is the name of my own personal ZX Spectrum emulator that I wrote and have been using for my needs. I just wanted to let you know that I publ…
... /> - Experimental support or Spec256, double-vertical-res
- Emulate built-in ...ZX Spectrum Issue 2 - 12V badHey there, I'm currently attempting to fix a ZX Spectrum issue 2 that I recieved. Overall the machine was generally working when I recieved it, bu…
... ), just slightly intensity of the vertical lines. Turned out the 12V ...Character wobbleHello, I have an Issue 2 board which shows vertical character wobble. This happens for a few minutes followed by a few minutes of character sta…
... Issue 2 board which shows vertical character wobble. This
... screen.
The vertical wobble doesn't correlate with ... discernible
effect on the vertical wobble. VR1 & 2 ... />
Apart from the vertical wobble the board now works ...Broken Issue 2 - likely culpritsI've just got hold of an issue 2 spectrum with an interesting layout (heatsink is vertical and goes down to the speaker, some variable resistors and …
... an interesting layout (heatsink is vertical and goes down to the ...1st steps in animation Having finally resurrected my familiar old graphics programs, chief amongst which is DPaint Animation, I was a little taken aback to reali…
... decided to try a sinuous vertical snake like motion. Starting with ...
