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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 ... -
Replacing a play key on a grey+2Just had a grey in with a busted play key, haven't got one spare but I do have a few fast forwards that will do for the moment but bugger me is it a …
... on! Did they make those bars at different thicknesses? Already broke ... -
Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... times, happy hour of various bars near where I live..) I ... -
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 ...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 ...Another way to add audio input on a +2 - No more low level sound problem !Hi all, Last week, with 3 friends, we participated to a modelism / games / hobbies meeting, and we made a retro computing stand... (big succes, I'll…
... low, I could see the bars when putting the sound at ...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 ...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 ...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]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 ...What is this spectrum game I dimly remember?Hi all, Ages and ages ago the collective genius of this forum helped me identify a game of my childhood as 'They Stole A Million'. Well, another mys…
... , a sink and the prison bars. After hours and hours of ... and throw it at the bars. After that, a little random ...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 ...Today I have mostly been using Linux.I reinstalled my linux. Was previously running with Mint Linux Debian. I didn't like it because the debian edition has some subtle problems running a…
... 've been trying various tasks bars in Linux and not found ...Another "untested" dead spectrum...Hi, I'm looking for some suggestions on a faulty Spectrum I have picked up. I'll need to wait until tomorrow before posting pics, but the screen is …
... is divided into 4 verticall bars.
Sections 1 & ...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 ...TR4 or TR5?My issue two gives horizontal bars on bootup. Flicking reset takes it to copyright screen though. I measured voltages and got 4,9V, 11,99V and -4,3V.…
My issue two gives horizontal bars on bootup. Flicking reset takes ... wart, it'll give the bars but if I plug the ...New user with a dead 48k issue 2Hello all I've found my way here from watching some excellent youtube videos by Joulesper Coulomb in an attempt to fix a issue 2 rubber key 48k I bo…
... displays 4 black and white bars with a colourful boarder as ...128k Toastrack EAR socketHi -my 128k Toast rack was fine but the EAR now seems to have an issue- sometimes the blue and red border bars do not flash - (showing no recognition…
... the blue and red border bars do not flash - (showing no ...
