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Best Worst Gadgets of the 80sWhilst working today my mind began to wander as it does regularly to the 1980s. I began to think of all the fads and gadgets that came and went, some…
... [/img]
Remember those vertical record players. I always considered ... -
Spectrum +2 (grey) RAM issueHi, I?ve got a ZX Spectrum +2 (grey) with what I think is a RAM issue. I used to be able to load games very reliably by playing converted TAPs and …
... it gets to cyan, coloured vertical stripes appear, which according to ... -
Bought a car? You might soon not actually own it.<div style="font-family: Arial, Verdana; font-size: 10pt; font-style: normal; font-variant: normal; line-height: normal;">Quote "<span style="font-fa…
Quote "It's official: John Deer and General Motors want to eviscerate the notion of ownership. Sure, we pay for their vehicles. But we don’t own them. Not according to their corporate lawyers, anyway.
In a particularly spectacular display of ... -
New game released: EXPLORER<div><span style="font-size: 13.3333330154419px; line-height: normal; font-family: 'Courier New';">- EXPLORER -</span></div><div><span style="font-si…
... I've seen an alternate vertical-scrolling version in a TV ... weak attempt to play a vertical clone of my favourite arcade ... -
[NEW] Retro Virtual Machine v1.0.0 for OSX released!!!!Here it is! Retro Virtual Machine v1.0.0 RELEASED!!!! Many thanks first to Patrik Rak for the PZX format and for their Z80 tests without which RVM…
... using OpenGL and GLSL.
Vertical sync using a triple buffer ... -
Subtract 4 from an addressThis is a novice Z80 question really: I'm trying to vertical scroll my back buffer, but I'm not sure of the quickest way to apply an offset and mo…
... />
I'm trying to vertical scroll my back buffer, but ... . The area I need to vertical scroll is therefore 18 chars ... -
z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... coords.
ld hl,xcoord ; vertical position.
dec (hl) ; move ... it.
ld a,(xcoord) ; vertical position.
rst 16 ; print ... -
48k not startingHi team, I have 2 48k's, one works (Issue 4s), one doesn't (Issue 4a). The non-working one appears to start, but not finish the RAM test. The pape…
... , which join some of the vertical red lines.
The ... -
ZX Spectrum Sprite chipHi everyone. As I said some time ago, I wanted to make a 'virtual' Sprite chip for the ZX spectrum, on my ZEsarUX emulator. The idea is to make so…
... can be mirrored horizontal or vertical
Every Sprite is ... -
NTSC Compatibility?Correct me if I'm wrong, but wasn't the Timex 2068 the only NTSC clone built of the ZX Spectrum? And I use clone lightly... From what I underst…
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 ...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/MYuLBXZ88DK 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 ...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 ...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 ...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 ...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 ...Need help from people with a 48K/128K/+2 (not +2A/+3)Scared ya, didn’t I? Well, this one is very simple and not as involved as [url="https://www.worldofspectrum.org/forums/discussion/55142/need-help-fro…
... appear anywhere else on the vertical axis, especially above the ground ...Replacing lower RAM 4116 ZX Spectrum 48k - desoldering advice please?A long post, but interesting pictures perhaps. :) I'd like some advice: (also apologies I think I picked the wrong 'Hardware' category for this, plea…
... getting a blue and white vertical candy-striped pattern. Occasionally I ...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 ...
