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How to Write ZX Spectrum Games - Jonathan CauldwellHello, I'm trying to improve my very basic level of assembler by reading the Jonathan Cauldwell guide. I'm fine with the basics LD, CP, and JP,…
... asterisk.
ld hl,xcoord ; vertical position.
dec (hl) ; move it ... it.
ld a,(xcoord) ; vertical position.
rst 16 ; print it ... -
PUSH scrollers 3[url=https://drive.google.com/file/d/0B-KEeni1WXmoYk9Dek1zVnd6Rk0/view?usp=sharing]CATS - Faith edition (example)[/url] Hello and welcome to the w…
... ; Test the video beam for vertical position 303 here
and.l ... -
What are the differences between the +2 and the +2A ?I only acquired a +2 for the first time in my life a few months ago. It works fine. :) I even managed to tracke down nearly all the wargames by the s…
... oven, maybe keep them in vertical position and within vaccum bags for ... -
thinking on creating an arcade... somethingHi to all For a while i have been thinking on creating an Arcade Cabinet, but the cost, time and space necessary place it in hold. Recently whi…
... a flat angle, MAX open position
[ ...
Control surface in closed position.
Hopefully, now ... that control the final resting position.
Control ... hanging in a completely vertical position inside the cabinet, allowing ... -
2 scrolling linesHow would you draw, delete and scroll a 2 line landscape? [img]http://i1142.photobucket.com/albums/n608/daveyboyhughes/scramblines_zpsw0r2joew.png…
... LD (enjoy setting up your vertical position while you're at it ... -
Calculating coordinates for a curveI need to write some code that will calculate the arc of a curve so that I can draw a sprite at each location to simulate a ball being thrown. The an…
... horizontal position against the vertical position:
Horizontal, Vertical
vertical data is the same but your horizontal position ... , set the starting vertical and horizontal speed step ... can divide the vertical position down by two or ... -
Can't Get My Simple Code To RunHello again, I'm trying to run the following simple code: [code] org 32768 main ld b, 21 ; x coordinate is …
... it.
ld a,(xcoord) ; vertical position.
rst 16 ; print it ... -
im looking for a fill routine written in basici know this would be slow but i want to tinker with it to produce something else.
... if you know y (the vertical position) you can say x is ... plotting anything to add the position of the centre of the ... -
What is this?Found on eBay [img]https://i.ebayimg.com/images/g/3N0AAOSwUPlcmv5v/s-l1600.jpg[/img]
Unless...
You meant the 'almost cut out' piece of plastic on the Speccy between the EAR and TV sockets ? Unless that's a trick of the light :) I'm not sure. It half looks like the same vertical position as the TV/Mod out socket. -
What is this?Found on eBay [img]https://i.ebayimg.com/images/g/3N0AAOSwUPlcmv5v/s-l1600.jpg[/img]
... half looks like the same vertical position as the TV/Mod out ... -
What is this?Found on eBay [img]https://i.ebayimg.com/images/g/3N0AAOSwUPlcmv5v/s-l1600.jpg[/img]
... half looks like the same vertical position as the TV/Mod out ... -
what soldering / disordering equipment do you usemy experience with zx spectrum / amstrad cpc boards 1.cheap solder braid (not good) need to try some better, any recommendations when i looked i go…
... /> Holding a board in a vertical position is a bit more tricky ... -
Vertical ScrollersI like finding classic Speccy games which i've never really heard of or played before. I like vertical scrollers, any gems i might have missed from …
... or played before. I like vertical scrollers, any gems i might ... Cresta
Any classic vertical shoot em ups please post ... -
XLR-8 Mastering utils: quick heads-upFirstly, only do this using an emulated 48K rubberkey at this stage because that's all it was ever tested on. "LOADER MAKER" - "First decrypter" - p…
... pause you'll see the vertical counter onscreen, use Q A ... P to move it into position and press M to confirm ... -
monitor wobblyjust recently my crt monitor has been doing something weird. The vertical screen position keeps stretching and retracting slighty from filling up the…
... doing something weird. The vertical screen position keeps stretching and retracting slighty ... -
How to create pretty screenshot maps[size=+1][b]A. What will I need?[/b][/size] 01. Your favorite [url=http://www.worldofspectrum.org/emulators.html]Speccy emulator[/url]. 02. An util…
...
03. Scrolling game (vertical or horizontal scrolling only), 2D ... />
06. Parallax scrolling game (vertical or horizontal scrolling only), 2D ... ZX SS and adjust correct position manually with using arrow buttons ... -
ELITE - how do you save your position?Recently downloaded the SPIN Spectrum emulator, and have got back into ELITE again after 20 years - GREAT! Can anybody explain how I can save and re…
... save and re-load my position in ELITE using the tape ... -
Improving position in search engine results?I'm wondering how to improve the position of my ZX81 Collection web site in search engine results. On Google typing "ZX81" gives a load of links (so…
... wondering how to improve the position of my ZX81 Collection web ... really like to improve its position. I've tried getting it ... -
Football Manager - League position workings!Wotcha folks. Can someone put into layman's terms how the league positions are worked out in Football Manager? Is it a loop that starts from the ma…
ANNOUNCE: JSW64 Manic Miner: James BondTo celebrate "Two Double-Oh Seven" before it ends, I am delighted to announce the first gamma-release of [i]JSW64 Manic Miner: James Bond[/i] (v1.0),…
... stand on certain horizontal and vertical guardians), and I have knocked ... to flip Willy's horizontal position every 32 time-frames in ...ANNOUNCE: JSW64 Manic Miner: James Bond [v1.1]I am delighted to announce the second gamma-release of [i]JSW64 Manic Miner: James Bond[/i] (v1.1), which is available as a free download from: [url]…
... stand on certain horizontal and vertical guardians), and I have knocked ... to flip Willy's horizontal position every 32 time-frames in ...Spectrum dead: 8 vertical bars in alternating colorsI have been soldering on this basterd for a long time now. All IC's now have sockets (except the LM1889). I swapped all 4116's by types that are 100%…
... up the system, is 8 vertical bars, with some flickering blocks ... , I even het 8 perfect vertical bars without distortion. The 8 ...Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... a loop to create two vertical stripes of black paper colour ... .
To save the road position, which we'll need frequently ... to increment / decrement the car position.
Replace line 43 with ... is odd, lower the road position in hl by one. If ...winston's diagnostics boardHi Winston, I've recently built your diagnostics board on project board and am having huge problems getting it running. I've been pulling my hair ou…
... fine (gives me blue/white vertical lines, as it should) but ... the jumper in the other position the speccy goes mad. seems ...My first program - a vertical scrollerHi all, I'm new here. Nice to meet you all! A couple of weeks ago I decided to learn Z80 assembly language. I spent many hours in front of the Spec…
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It's a little vertical scroller. My goal was to ...Smooth (vertical) scrolling on ZX SpectrumI was just thinking about this. You know, you have systems like Atari 2600 or Sega SG-1000 that have no hardware scroll, but they have games that sti…
... smooth (probably full 50 fps) vertical scrolling. Games like Monaco GP ...ZX Spectrum Woes...In my endeavours to get my second Spectrum (Issue 3) working I have replaced the CPU, memory and lower ram. I have fitted sockets for the CPU and me…
... from four four animated alternate vertical black and white bars to ... EPROM be used in this position and if so, is the ...Spectrum+ fault - lines on boot screen, freezesThe ZX Spectrum+ I bought in the car boot has a fault. When you boot it, it's displaying the Copyright screen, but each character position has a vert…
... screen, but each character position has a vertical line going down it ... in about position 2 or 3 ...ZX Spectrum 48K clone and test resultsHi! This is my first post, so, first of all, I'd like to say hello to the whole community! I am Alessandro Dorigatti from Italy and I'm developing …
... what happens.
The vertical bands are symmetrical as stated ... they are in the correct position (if compared with Fuse); the ...
