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ANN: Spectaculator 2.5 available for downloadHi. I've just released a new version of Spectaculator, available from [url="http://www.spectaculator.com/"]http://www.spectaculator.com/[/url]. Hopef…
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Emulation
- Floating bus emulation as per Ramsoft ... of the Sentinel).
- Multicolour rendering is now a tad ... -
Emulation accuracy and how it affects softwareHi folks. I was thinking of bodging together a rudimentary Spectrum emulator myself, not as a competitor to the other emulators, but as an integrate…
... /> Hardware quirks such as the 'floating bus' effect will also be ... will be unable to display multicolour FX or cope with high ... -
A few questions regarding EmuZwinA few questions regarding EmuzWin 1. I have been trying to write a program to generate multicolour effects on the Spectrum,ie more than 2 attributes…
... write a program to generate multicolour effects on the Spectrum,ie ... works ok.
4. Floating Bus implementation. I use this ... -
A few questions regarding EmuZwinI had posted this in the development forum and then remembered there was an emulators forum, so apologies for the repetition. 1. I have been trying …
... write a program to generate multicolour effects on the Spectrum,ie ... works ok.
4. Floating Bus implementation. I use this ... -
Games that use multicolour effectsMulticolour (which created via ula timing, not screen switching) is the only functional effect that ULA can do. It's the only way to break colour cla…
Multicolour (which created via ula timing, ... tank and a chopter in multicolour. Many demos tried to create ... any other games that use multicolour efects? Is there any game ... -
Floating point representationI'm planning on picking up the [url=http://matt.west.co.tt/category/spectrum/openzxrom/]OpenZXRom[/url] project from where I left off a few months ba…
... the Speccy ROM's floating point routines is welcome ... in)...
Normally, floating point numbers on the Spectrum ... represented in the standard floating-point notation with complete ... is converting integers to floating-point notation immediately on ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... bit with memory contention and floating bus stuff in ZXDS and ... seem to appear on the floating bus.
To be ... ?). However, as far as the floating bus is concerned, the very ... .html"]tech doc[/URL] about floating bus.
Ramsoft's [URL ... -
Pentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…
... and exact info about the floating bus behavior and timing. An ... -
BASin floating point issue...Hi Folks, I have been very happy with BASin and found it to be an excellent tool. However, in the last few days a strange error has started to occu…
... that there has been "Invalid floating point operation". This is not ... -
BASin floating point issue...Hi Folks, Reposting here as I think I put it in the wrong section before - sorry. I have been very happy with BASin and found it to be an excellent…
... that there has been "Invalid floating point operation". This is not ... -
Floating bus on 128K models[b]Background:[/b] i need run code with interrupt enabled but i need use stack instruction to maximize performance in copy/shift/mirror routines. dur…
... /> questions are:
1) is floating bus present on all of ... -
128k multicolour graphics...ok over the years I've been a fan of multicolour graphics on zx spectrum, an I clearly get that on a 48k the (8x1@2)multicolour limit stands at 18cha…
... 've been a fan of multicolour graphics on zx spectrum, an ... a 48k the (8x1@2)multicolour limit stands at 18characters wide ... so many aspects of the multicolour on speccy, and people like ... -
Floating Point Forth (CP Software)[IMG]http://i269.photobucket.com/albums/jj79/Hairyrecords/scan0011.jpg[/IMG] I don't see Floating Point Forth by CP Software in the archive. But I …
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I don't see Floating Point Forth by CP Software ... published by CP Software as Floating Point Forth.
I noticed ... -
Multicolour demo using z88dk + BIFROST* (+source)This is just a demo to show how to show multicolour using z88dk, using the BIFROST* engine (more info [URL="http://www.worldofspectrum.org/forums/sho…
... to show how to show multicolour using z88dk, using the BIFROST ... -
28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…
... php?t=33749&highlight=multicolour#10[/url]), which has ... below does 28-character wide multicolour, for eight attribute rows ( ... it's genuine (albeit limited) multicolour. The code waits for the ...
[*]I had the multicolour region pushed over to the ... -
20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... to one Mr Jowett about multicolour routines, and in that way ... -column limit for 8x1-attribute multicolour.
Existing routines write ... -
24-Wide or 26-Wide Multicolour Tile EngineI've been playing about with more multicolour routines (8x1, 8x2 etc.) and have one a bit clever and suitable for a tile-based game. No particular d…
... been playing about with more multicolour routines (8x1, 8x2 etc.) and ... -
Emulating a +2A with floating bus modBefore I start hacking Fuse's source... Does any existing emulator have an option to behave as a +2A with the [URL="http://www.secarica.ro/html/plus…
Before I start hacking Fuse's source...
Does any existing emulator have an option to behave as a +2A with the [URL="http://www.secarica.ro/html/plus3_hardware.html#inFFport"]floating bus modification[/URL]?
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Nasty 'Gotcha' for multicolour timingI thought I would be better developing my multicolour routine on the 48K first, being the slowest, so it would then be sure to work on the 128K varia…
... would be better developing my multicolour routine on the 48K first ... having a bad time with multicolour at the moment. I've ... -
Why are multicolour engines only able to be made now?Now I'm no programmer, but, how come multicolour engines are only being created/designed now? I know there were Rainbow Graphics used in games in the…
... no programmer, but, how come multicolour engines are only being created ... -
Floating Point Package Math48<br>I came across a neat little floating point package for the z80 and I'm adapting it now to work with z88dk and sdcc. There is an interesting…
... across a neat little floating point package for the z80 ... fairly small, and keeps the floating point operands in registers. The ... EXX set is the primary floating point accumulator and the ... this one. Genmath requires a floating point accumulator in memory and ... -
Mocks ups - Spectrum classics in multicolour.The [url="http://www.worldofspectrum.org/forums/discussion/51209/full-screen-32-columns-bicolor-engine-nirvana#latest"]Nirvana+ thread[/url] gave me …
... game, so wouldn't suit multicolour at all, bearing in mind ... biggest challenge in trying a multicolour MM is graphical, not technical ... be interested in seeing a multicolour Manic Miner, or some ... be interested in seeing any multicolour re-imaginings of any Speccy ... -
Ninjaman 8-way scrolling 50Hz multicolour demo :-)Here's a demo I've been working on for a while. The goal was to make the best scrolling routine possible on a humble 48K ZX Spectrum. I was origin…
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- 8-way scrolling
- Multicolour backgrounds
- No colour clash ... -
Spectrum +2A floating bus portHi As I discovered in the past, Spectrum +2A (and probably +3) do have floating bus port. But it is not shown on all unused ports, only on some po…
... (and probably +3) do have floating bus port. But it is ... that +2A does not have floating bus port, but it's ... -
TIL: something about floating point numbersHere's something that had me scratching my head for a while until I figured out what was going on. In a BASIC program, floating point numbers are …
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In a BASIC program, floating point numbers are stored unsigned ... />
then the 5-byte floating point representation after the 14 ... -
Z88DK v1.99B ReleasedAt Sourceforge: https://sourceforge.net/projects/z88dk/ It's been a year since the last release so it was time for another. This is another tran…
At Sourceforge:
https://sourceforge.net/projects/z88dk/
It's been a year since the last release so it was time for another. This is another transitional release on the way to version 2.0 and hopefully we'll get there for the next one ... -
z88dk multicolour enginesI've been trying to work out how the multicolour sprite engines have been implemented in z88dk. It's not obvious. Looking in the source, I found …
... to work out how the multicolour sprite engines have been implemented ... -
Numeric arrays: floating point or integer?I've just started programming a game in Sinclair BASIC (see the thread 'UFO Defence Command' in game ideas, although I'm going to call it ZXCOM ;) ).…
... the array as integers or floating point numbers? I seem to ... -
An emulator(another on of my projects) Does anyone know how to write an emulator? The emulated computer is very simple (a MK14, infact -also by Sir Clive) and a…
... is functional (doesn't do multicolour or floating bus though), and so ...
