-
Colission detection problems.G'ah...it's always the same (I've asked before too) - I'm always struggling when it comes to doing box colission checks, so I'm basically hoping you …
... /> jr nc,cc02 ; not within vertical range.
; now horizontal check ... /> jr nc,cc02 ; not within vertical range.
[/CODE]
Help! +3Just got my +3 working after replacing the drive belt. All was OK until I plugged in my Multiface 3 (known working with a +2a) and the computer went…
... . Now all I get are vertical flashing yellow lines, plus noise ...Scrolling Bi-Colour Engine for 4-Player GamesJust putting this code up for people to have a look at. Far from finished. Should simply compile and run a bit of a demo. Only good for 128K and +…
... -around attribute map to allow vertical attribute-based scrolling.
;Use ...Help needed with calculating screen addressesCan anyone help me finally crack Jonathan Cauldwell's screen addressing calculator and, more to the point, is the reason I'm struggling because this …
... ld a,(ycoord) ; fetch vertical coordinate.
ld e,a ... a,e ; restore the vertical.
and 192 ; ... /> ld e,a ; vertical coordinate calculation done.
...Might need a new ROM for an MF128Had some trouble recently that has apparently killed my MF128, basically on pressing the NMI I get black paper and multicoloured vertical lines, and …
... get black paper and multicoloured vertical lines, and just for curiosity ...ScrollsHello. Ive been working in scroll routines and I want to show you them. First, one vertical 2 pixels scroll routine with 13 sprites [youtube]D-T3…
... them.
First, one vertical 2 pixels scroll routine with ...Something I made in Minecraft...So, this is what I do in my spare time these days (when I'm sure a lot of you will be screaming for me to come back to Speccy-land; I assure you I wi…
... straight side, but making it vertical is the closest approximation. Where ...New version emulator ZEsarUX-1.1Hi I have uploaded a new version of my ZX80/81/Spectrum emulator on [url]http://sourceforge.net/projects/zesarux/[/url] Changes are: Added suppo…
... aofile WAV format
Improved vertical display synchronization on ZX80/81 ...Next step for fixing my speccy?Hi guys, I've picked up my faulty Spectrum aiming to fix it. So I followed the excellent JouledperCoulomb videos on Youtube for the basics and I am …
... black screen with slim white vertical stripes. And that's where ...48K misplaced coloursHello to everybody! Slowly recapping a otherwise working Issue 6A 48K. All new caps aroud LM1889, 7805 and DC-DC converter, which improved ripple an…
... the screen, that make letter flicker slightly, and colour information lags ...Issue 4s - Not 'Jailbars' but lines alloverIt's not another 'Jailbars' question!, but I've got this Issue 4S that aside from the 'Jailbars' on the Paper area of the screen which I can live wit…
... displaying alternating light and dark vertical lines all across the screen ... with BC547's, yet the vertical lines in the border are ...Buffer to screen - how much?[FONT=Calibri][SIZE=3]I am starting to build a new game and am researching different ways to accomplish what I need to do. My question is, is it poss…
... the refresh causing tearing and flicker etc? This will need to ...ADG questionCan some one help me please. Using AGD 4.3, if I want to do a game with say 20 levels all vertical how to I make it so that when my man falls from t…
... with say 20 levels all vertical how to I make it ...Issue 2 Spectrum - Black screenHi I have an issue 2 spectrum which I'm having some issues with. I bought it on ebay so have no idea of the history or how it came to be broken. Whe…
Need help with +2a graphics glitchFirst of all It's my first time on here so, Hi! Recently got back into the spectrum scene by buying a +2a and a DivMMC (a lovely piece of kit btw), …
... some small flickering short dark vertical lines that only seem to ...Uridium possible with more colour??Having seen the MSX version of Uridium mentioned in another thread I wondered if the Spectrum could produce anything similiar, and had a go at a mock…
... stayed locked horizontally, with only vertical movement by character square there ...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 ...DivMMC Enjoy! Works on 3 of 4 48k Speccy's I own?Hey guys. I have a DivMMC Enjoy! Which is absolutely awesome! Love it to bits. It works perfect on three of my 48k Speccy's, but something isn't rig…
... CARD LED doesn't even flicker upon power up? Pressing the ...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 ...ArcadiaHi folks, new to the forum, but as old as the rest of you when talking about the spectrum :-) I downloaded Arcadia (using Fuse until my speccy is so…
... , the programmers made your spaceship flicker green/red and become jittery ...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 ...Picture issues with LCD televisions.As I don't currently have anywhere sensible to put my CRT television, I wanted to switch to a flatscreen LCD for the time being. I have however encou…
... the time the screen will flicker up and down rapidly on ... LCD televisions to go into "flicker mode" or how to sort ...[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 ...Full-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…
... , so the screen will never flicker. Trust me, it's worth ...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 ...
