-
Joystick Interfaces on +2AJust found out that my DK'Tronics joystick interface doesn't want to play with my +2A (black). The Kempston port works OK, but not the Sinclair port…
... just exploring this as a way to gain a few extra bits ... be connected to a Coup? which is to be driven ... will also never have to run on a Coup?!
way! :-) There are plenty ... clear they're worthwhile supporting where it is practical to ... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
What's the easiest way to take a SCR image created on the ... onto tape and load the screen before the source code, but ... I have no idea how to take something made with BMP2SCR ... -
Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …
... fast, what's the fastest way of printing a 2x2 UDG sprite:
(a) Chaining ATs, such as PRINT ... +1,x;"\/"
(b) Generating a string that draws the first ... tried switching my code earlier to something like this:
[I ... -
Opening my new game projectHi I am working to a new game (tentatively called "Donkey Kong Reloaded Done Better"...i was not happy with the graphics of Donkey Kong Reloaded) whi…
... course you can decide to eliminate that screen altogether, or maybe reduce ... the way the fire looks so i would like to have a screen with ... that kind of mechanics...
there is a ... -
Change PAPER and BORDER colours from machine codeHow do you go about changing PAPER and BORDER colours from machine code? I've forgotten the system variables for border and paper.
... 's screen layout.
To get a screen address of a character ... it's easiest with a table ... DE,HL again to swap that screen address back to DE.
... a bit of a twist.
The simplest way is to ... -
Alkatraz Protection System - "How to" and compo?I'm thinking about writing a "how to" regarding the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0020807"]Alkatraz Protection System[/URL].…
... s a quick tutorial...
First you need to load a screen, ... so press 1 to do so (I use a ... of where you want the screen to load in (you'll ... if you've got a screen with loads of empty ... the code - another way is to edit it out in ... -
clear a windowed area of the screenHi everyone! Ain't been on here for donkeys, but have recently started messing around with a little game. I'm looking for ideas/opinions on the bes…
... screen when I ran it; the request in post#1 was to clear a ... characters, although we all seem to have assumed that).
< ... tried modifying my original routine to do "any-size any-where ... other routines be easily modified to take dimensions & position as ... -
clear a windowed area of the screenHi everyone! Ain't been on here for donkeys, but have recently started messing around with a little game. I'm looking for ideas/opinions on the bes…
> That clears the whole screen; the request in post#1 was to clear a 25*24 character rectangle.
yes.... then:
LD BC,001FH
replace by:
LD BC,0019H
done -
clear a windowed area of the screenHi everyone! Ain't been on here for donkeys, but have recently started messing around with a little game. I'm looking for ideas/opinions on the bes…
... screen when I ran it; the request in post#1 was to clear a ... characters, although we all seem to have assumed that).[/QUOTE]
48K Upper memory issues?Having more issues with the 48K spectrum I just fixed that had the black screen in this thread [URL="http://www.worldofspectrum.org/forums/showthread…
... I made with a stereo connection one end to a mono at the ... get the copyright message, type CLEAR 32767. This will prevent BASIC ... />
Then use CLS to clear the screen, then you can see if ... the screen corruption comes back...
64x48 monochrome big pixels display ideaHi. I was playing with this idea of having a simple 64x48 bytes buffer, 1 byte per pixel, then a renderer which would take that buffer and render it…
... Saukas;806882]IMHO a buffer makes sense in a demo, where you ... need several frames to update almost the entire screen before displaying it ... could conceive of such a bizarre way to kill?"
"A man called Phibes ...Scrolling in BASICI remember a few BASIC typeins for other machines that claimed to be scrolling the screen. Obviously vertically its not too difficult - once you dis…
... -based commands to draw on a character-mapped screen, then do a fast render ... of those characters to the main screen ... .g. "!" in a string to clear the screen, instead of having to type CHR$(1 ...Falling Blocks - new game from z80 assembly beginner<p>I started learning z80 assembly earlier this year, mostly from reading Jonathan Cauldwell's "How to write ZX Spectrum Games" and from reading arti…
... the variation you've added to the levels.
Like ... screen - it would be nice to be able to have a way to 'drop-a- ... Nevertheless it kept me playing to the end... I'd ... be interested to know if you'd ... be worth moving/adding this to the "Brand New Software" ...1985-2015.A topic where we can review games released on the Speccy 30 years ago, or, anyway, talk about that year.
... : playing a lot of time with a game whose screen is full ... indicators are not the best way to spend a funny gaming evening. Psion ... each one with his own screen and controls. There are three ... planes). Good graphics and a great loading screen by F. David Thorpe ...Utility to create long REM Line for storing M/C program - Maximum BASIC Line LengthHi, I think there was a Utlity or Toolkit to create a long REM-Line under 48k BASIC to store some MCode in it. So I don´t have to type e.g. 5…
... can even add extra lines to the basic program and ... resave to tape.
[code]
... a CLS : ($fb,$3a) before the RANDOMIZE USR. Only 2 bytes to clear ... the screen, a lot less than a mcode routine to clear the screen.
Tape loader for Android at lastHi all. Just downloaded a little util from the google play store called tapdancer. Works like the apple spectrum tape loader. Lets you load speccy an…
... s my end goal to have a screen where the tape deck ... title etc on the screen. Might have a way to go yet, but ... it's a good start - ... at least it might be developed to ... level games that need to load then pause then load ...Smart platform-action games?Most platform-action games for the Speccy rely on "fast thinking" (to keep running while avoiding enemies) and pixel-precision movement (mostly jumpi…
... your pre-chosen on-screen route, to get the highest score ... to render the idea pointless), you can pre-plan the quickest way to ... complete a given screen, and then see ... if you can find a quicker route to ...Running out of fingers in AssemblyDear all, Still trying to learn Assembly and have put a few routines together. However, as my routines become a little more involved I find myself…
... said.
Large, slow, clear code is better than tiny ... you should learn how to perform a loop before you worry about ... approach when first getting something to run. But it doesn't ... long before a beginner asks why their code to clear the screen is so ...Running out of fingers in AssemblyDear all, Still trying to learn Assembly and have put a few routines together. However, as my routines become a little more involved I find myself…
... you should learn how to perform a loop before you worry ... long before a beginner asks why their code to clear the screen is so ... help to learn. A typical beginner's approach to clearing the screen is ... two loops (an X and a ...RANDOMIZE USR, PRINT USR etcHello just wondering why is it called RANDOMIZE UsR what does randomising have to do with it ? When calling machine code routine from adress x you ty…
... case. Imagine that you want to load a SCREEN$ at 30000 and then ... use machine code to move it at ... print BC on screen, ruining your SCREEN$.
- LET A=USR nnn will ... area. If you have put CLEAR too low, you may not ...DivIDE 57c update and 128 games?Hi all, Lots of questions ahead!! :) I have found my long lost DivIDE 57c. I have put in my Spectrum 128+ and I spotted that it has 2005 Fat…
... That's not a 48K mode, but a USR0 one. That ... but the fastest way to find it out is to get 128K ... quote="Pyjamarama;53482"]In order to do so, can I ... E jumper (be careful to NOT extract the DivIDE) ... br /> Because both interfaces need to page ROM, you'll have ...RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... Saukas;888093"]If you want to learn how everything works ... the development process. Trying to understand a very optimized code directly ... from the final version is a lot harder![/quote]
... /> Is this an efficient way to init the screen?:
1) ...RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... "]Is this an efficient way to init the screen?:[/quote]
It ... alternatives:
a) Store the entire multicolor screen image into (at ... you want to display it, just decompress a previously compressed bitmap screen, then ...RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…
... "]Is this an efficient way to init the screen?:[/quote]
It ... (paint_col+1), a ; }
paint_col:
ld a, ($ff00) ; a = delta[col];
TommyGun updatehttps://drive.google.com/file/d/0BwXFKYO5i1IlN2U4MUtrRVZZWUE/view?usp=sharing Hi, I have updated my TommyGun application and since we can't uplo…
... couldn't get it to work for a 48K Spectrum project at ... drawing the preview screen, and didn't seem to be running the ... a better version to use?
Also, is there an easy way to ... run a newer version side-by-side ...TZX in MSXHi: First of all, sorry about that topic. Perhaps this is not the more accurate threat/foro to talk about this. If you think so you can move it to "…
... 1.13: As it became clear that still some tapes couldn ... a way that the pulse (or bit) encoding is the only way to store a ... tape (which, by the late 80s, was not similar to a ... can't program) find a way to create a conversion program and then you ...ZX-Uno moddingStarting with ZX-Uno case modding I have not yet received my ZX-Uno yet (it is in the post) but I know that I will have to do at least one mod …
... to be outstanding BUT is it the most durable and effective way to ... hold a PCB ? Not everyone ... will want to display it in this way (though a lot probably ... who likes to admire beautifully made PCBs through a clear "glass like ...Clamping Speccy InterfacesThere are a huge number of broken Speccy interfaces available . I came across one on Ebay recently said to be "partly working" or similar .Why are th…
... to be "promoted" from "bodge" to being "the only way to go" !. A ... few days ago I had tried out a ... it too much to work so a fix was ... used the type of clear plastic laminate used for covering ... of plastic is needed to restore electrical contact ...ZX Spectrum spare parts : "endangered" and functional "extinctions" only It struck me how some Spectrum spare parts or parts that were used with Spectrums and that were commonly available are no longer available . The em…
... the thing still consists for a [i]significant[/i] % ... back until it's a complete machine again". Not ... as designing & building a clone from scratch. Something ... or cheapest) way to get a working specimen. And if a machine is ... - it should be clear what's what.ZX Spectrum Test PCB I recently read about one of these (I think it may have been the Retroleum site but I am not sure) and I thought "What a great idea" . As pictured …
... site has provided a practical and viable way to do a simple Test Rig ... tried but this is a very good way to go to start with as ... been repaired but just shows a grey screen and white border on ... power up . So a totally different ...
