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Spectrum 128K +2 (grey) faulty screenHi. Just got untested +2. Now I only get picture like this (Black screen, with two vertical very thin white lines): [url]http://aijaa.com/Nk93Ub[…
"Attribute embosing" on Pentagon 128I'm still in the progress of build my 2 Pentagon 128 machines and everything seems to be sorted out by now :) Except for 1 more or less minor issue. …
... edges (like the very first vertical line being darker) ... this seems ...SPECTRA - RGB SCART Interface for 48K SpectrumSince the launch of the SPECTRA interface back in June 2012, some discussion of it has appeared in the forums in the past (mainly [URL="http://www.wo…
... variety of increased horizontal and vertical resolutions. In fact, a total ...Yet another glitchy graphics 48kHeyo, I'm new both to the forums (sorry if this is the wrong forum) and to Spectra I'm afraid, picked up a 48k from a steam fair sale thingy (not th…
... a flashing "K" to drawing vertical red lines on an otherwise ...Spectrum +2A problemWorking my way through a new influx of greys and blacks i came across one thats got me a little stumped, on boot it goes straight to vertical black a…
... boot it goes straight to vertical black and white lines, nothing ...Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... white, sometimes black border and vertical black and white stripes as ... border
3. The symmetric vertical pattern and buzzing sound indicates ...Issue 4A issuesHi all, I've been trying to get the Issue 4A board that came DOA with the case I purchased for my Frankenspectrum to work. I've recapped and socket…
... bone pattern without the periodic vertical stripes, and removing the Z80 ...Struggling with this routine... Any ideas?I'm trying to write a routine that plots 3 pixels to decrease the energy bar in the top right corner by 5 units, but it just wont have it! There mus…
... 18
ld b,171 ;vertical co-ordinate to be plotted ...quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... : STOP
[/code]
The vertical bars are due to S ...Video capture from spectrumI got this usb video capture device from maplin to try and record some clips of programs running on my 48k spectrum. [url]http://www.maplin.co.uk/us…
... up the screen like the vertical sync is off.
vertical sync signal.
Anyone ...trying to read keyboardI have the speccy in interrupt mode 1 I used 'IM1' in assembly language then Im printing the contents of memoryu area 23560 to the screen: [quote] l…
... it.
ld a,#10 ; vertical position.
rst #16 ; print ...+2A musings; to repair, mod or trade?I grew up with a 48K Spectrum+, but it went to computer heaven many years ago. During my First Spectrum Renaissance (when I was a student in the lat…
... causes the TV picture to flicker. The Spectrum doesn't lose ...Movin And A Groovin Horizontal Flip improvementOn the left is the flip horizontal portion from Andy Pennell'S excellent Movin' & a Groovin' machine code screen routines from Your Spectrum #19 (Oct…
... is noticeably slower than the vertical one because it has to ...MGT MOUSE - exist really ?I read disassembly of +D rom/ram code and from address #2249 is routine for read MGT MOUSE ports. I can't find any info about "MGT MOUSE". Exist real…
... or
2254 RET Z vertical movement.
2255 LD HL ... /> 2264 RET NZ Return to vertical movement test.
2265 BIT ...Corrupt paper on zx spectrum 48kHi. When I power up my spectrum (issue 3) I get the light grey border, but the paper is black and it switches between thin red vertical lines and thi…
... it switches between thin red vertical lines and thicker blue horizontal ...Larry The Lander II-Cosmic CarnageThis Tuesday 27th around 7pm UK time i will release my last title of the year.Larry The Lander II is a SEUD vertical shooter with an automated docki…
... Lander II is a SEUD vertical shooter with an automated docking ...Spectrum 48k video and keyboard issueHi all, few days ago I experimented with battery supply for my speccy (48k issue 2), and I was measuring the voltage and how much current it used. A…
Upper RAM replacement module issues with the DivideI got my new upper ram replacement module from Zorn yesterday and seem to be having some issues. When the machine is without the Divide it boots up …
... black border and paper with vertical white lines on the paper ...SpecBAS 0.789 releasedHi all! Back with another SpecBAS release - this one's mostly just about sprites and bug fixes. One new addition I do quite like is the expression c…
... if it exists
Eliminated flicker in the editor when mousewheel ...JSW1 - The Attic Bug In ActionThe well known "attic bug" caused by invalid arrow data. By applying a couple of extra pokes in addition to the usual lives / fall height to remove s…
... there is the occasional pixel flicker:
[img]http://www ...MOVE_M Object Movement Manager for BASICAs moving things around on the screen is usually the slowest part of a game written in BASIC, I've been pottering around with this routine to handle …
... ;7 > 1
; Vlohi = vertical range from 0,0
; Vstep = -1/0/+1 vertical step
; Hstep = -1/0 ...Looking for a Rastan-like coin-op game.Just remembered seeing a very high-quality arcade game (quality as in good graphics and, from what I remember, high resolution). This was summer of …
... have to jump down a vertical cliff and I think there ...Faulty grey +2, or not?While I?m still fighting with two to three grey +2 computers, which doesn?t give a video signal, I received another grey +2, which acts very strangel…
... from coloured, blinking blocks to vertical stripes etc. In maybe one ...Hikoki's new gameSo putting together all Hikoki's suggestions: This is going to be an arcade maze but also a vertical/horizontal scrolling game; with puzzle element…
... arcade maze but also a vertical/horizontal scrolling game; with puzzle ...idea: new gaming interface for ZX Spectrum (48k)First of all, I am not an expert this is just an idea of what I would like to see happening in the modern era of the ZX Spectrum. A compact, small, …
... .
A compact, small, vertical interface adding some important features ... similar to interface 1 bis. Vertical orientation and as compact as ...Tricky ZX RepairHello guys, This time I put my hands on a very nice Issue 3 16K, upgraded to 48K. To bertter explain "nice", it is absolutely mint, not a scratch on…
... of the screen still with vertical red lines.
First ...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 …
... sprites moving at 50fps totally flicker free: 12 enemies bouncing in ...Composite picture qualityI have read many many discussions here about the composite video modification of the Spectrum 16/48K models. I have choosen one of the simplest comp…
... , but there is a light vertical shadow in the background of ... ISSUE 6A board... sometimes the vertical shadow is stronger, sometimes almost ...****ing Awesome Spectrum Engine (FASE)This is a new engine (sprites, tiles, map) for all ZX Spectrum machines. The engine set ups a runtime enviroment that leave between 24K and 30K byt…
... between 8 and 16 sprites flicker free at 50fps in 48K ...Convert AT co-ordinates to PLOT co-ordinatesHow do you convert the 2 from MC? I don't know how to convert the vertical value as they're differently ordered... Heres what I have so far: [CODE]…
... know how to convert the vertical value as they're differently ... />
ld a,(50000-3) ;vertical AT co-ord
ld (x),a ;store vertical plot point
ret[/CODE]
