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Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... it is interleaved with the attribute data. I shall provide a ... those days of writing that scroll I would do 40 hours ... -
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…
... -write the Spectrum's colour attribute data, not its pixel data ... more data to copy to scroll the screen. -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... game ai and attribute scrolling (joefish does not scroll attribute map) is not ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... it was a 2 pixel scroll, the 2 pixels on the ... game ai and attribute scrolling (joefish does not scroll attribute map) is not ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... Dare[/I] doesn't pixel-scroll in the foreground. And if ... with PAPER, you can't scroll that smoothly sideways, either!
attribute clash. And it still just ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... Dare[/I] doesn't pixel-scroll in the foreground. And if ... with PAPER, you can't scroll that smoothly sideways, either!
attribute clash. And it still just ... -
New game! Nanako in CJMC for ZX81!Yup, that's true. We've been busy in crafting a nice, small, simple library to code games in text mode (this is, standard, unexpanded) for the 16K ZX…
... for screen (+768 Bytes for attribute), with redefinable characters like on ... this... Why not a extra scroll register? -
New game! Nanako in CJMC for ZX81!Yup, that's true. We've been busy in crafting a nice, small, simple library to code games in text mode (this is, standard, unexpanded) for the 16K ZX…
... for screen (+768 Bytes for attribute), with redefinable characters like on ... this... Why not a extra scroll register?[/QUOTE]
The ... -
GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... around the limitations of the attribute map. I thought all the ... very detailed. I love the scroll bar and the yellow folder ... -
Modern gaming conventions that were in Spectrum games?Out of interest, were any of these things that we take for granted in games nowadays, ever in any Spectrum games? 1. Multiple weapons that you can f…
... , realistic real-time shadows, rain, snow, heat haze, or light sourcing ... imagine...
2) with attribute clashes you might make an ... -
Modern gaming conventions that were in Spectrum games?Out of interest, were any of these things that we take for granted in games nowadays, ever in any Spectrum games? 1. Multiple weapons that you can f…
... , realistic real-time shadows, rain, snow, heat haze, or light sourcing ... />
it was a side scroll shooter, where you controled a ... -
SP1 library questionsI'm working on my first game. I've not written a game since the late 1980s and that was a text based multiuser dungeon for BBC Micros with econet... …
... is the tried and true attribute detection as in many Basic ... ;view=markup"]spectrum.h[/URL]. Scroll down to the "display functions ... -
Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... wanted to use the hardware scroll, I'm sure that having ... it by hardware (for limiting attribute clash to 8x1 cell). -
Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... showed correctly (but the scroll in the emulator is well ... scroll (1px) 50fps game with a normal tiled engine and without attribute ... (of course without fine grain scroll).
3. The changes ... 5b1f is reserved for vertical scroll (5b38 if horizontal and ... -
Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... showed correctly (but the scroll in the emulator is well ... scroll (1px) 50fps game with a normal tiled engine and without attribute ... (of course without fine grain scroll).
3. The changes ... 5b1f is reserved for vertical scroll (5b38 if horizontal and ... -
Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... for that PCB: horizontal/vertical scroll, raster interrupts, non-blink video ... that uses flash 2nd bright attribute for the paper, and independent ... -
Add horizontal hardware scroll to ULA+In this case we must read a bit in the ULA+ for test if supported. And the future software that uses it must have to branch: 1. If hardware scroll i…
... of the screen resolutions and attribute decode modes). At this point ... colour using 2 bytes per attribute.
And you have ... you thinked about implementing hardware scroll? -
Up/Down Left/Right scrollCan anybody give a newbie some pointer to simple one char scrolling by pixel? I've looked at a lot of resources, but as you can imagine, it's all a …
... it was limited to the attribute file.
I'm ... the EASIEST way to pixel scroll a 2x3 character sprite around ... -
Spectrum Prototype / Demo Mega TwinsI've come accross this prototype disk of an unreleased Speccy game in some old demo disks I have: [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewI…
... the firing and that annoying attribute flicker at the top of ... .
The catch-up scroll when you jump down is ... -
What was that game?I used to play a game about 1983/4 about tanks and stuff, strategy thingy. I remember that The idea of the game is to defeat the computer controlle…
... the map with the "BRIGHT" attribute set are were units of ... this expanded view you can scroll the
map, and see ... -
Which machine should be emulated at startup?The [url=http://www.worldofspectrum.org/forums/showthread.php?t=37743]previous poll[/url] produced a fairly convincing majority of people in favour o…
... System Preference is handled in Snow Leopard. Everything is so cleanly ... - no fancy side bars, links, scroll bars, or other fancy stuff ... -
A new multicolor engine called BIFROST*I'm glad to announce the release of a new multicolor engine implemented by yours truly, including high quality 16x16 tiles designed by R-Tape: [IMG]…
... sprite area with a single attribute (e.g. 0) which makes ... piece falls, I deactivate rendering, scroll it, then reactivates rendering so ... -
ULA snowHow is this feature implemented in emulators ? And how exact is the emulation ? I somehow supposed that ULA snow is something that is not very determ…
... borderline cases... Will there be snow if I set "I = $BF ... Snow is caused a conflict between the ULA requesting pixel and attribute ... -
New projectHello, you can see my new project for Spectrum in this link. I think that I finish it in few weeks. I hope you like it [URL="http://www.youtube.co…
... you decided to do a Snow Bros clone. You have shown ... a colourfull game without crash attribute and very fast and dinamic ... -
New projectHello, you can see my new project for Spectrum in this link. I think that I finish it in few weeks. I hope you like it [URL="http://www.youtube.co…
... a time then the upward scroll (agree with Ralph it should ... strange and it will be attribute crash. Anyway, thanks again and ... -
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…
... efficient tricks of the push-scroll in a multicolour routine. [I ... screen. Each row has two attribute pairs it can PUSH; the ... graphics that can share common attribute palettes, then have a tile ... never more than four different attribute patterns on any one row ... -
Ocean?s never-released games for the SpectrumI was having a look at the Ocean?s softography and I came across many interesting games, specially in the early 90s which were not published for the …
... couldn't just use one attribute cell per domino.[/QUOTE]
Snow Bros, why not this one ... -
50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... in this topic and pure attribute scrolling in other areas of ... screen. You could even combine attribute scrolling with "software sprites" that ... fast moving ink/paper 0 attribute "skyscrapers" scroll rapidly in front of ... -
Miner NightmareWell I thought I'd been rabbiting on about it for months on and off since a little while after I finished Clopit! So I figured I might as well give …
... to scroll? Looks like the lower part could be done by attribute ... -
Miner NightmareWell I thought I'd been rabbiting on about it for months on and off since a little while after I finished Clopit! So I figured I might as well give …
... to scroll? Looks like the lower part could be done by attribute ... could maybe get a pseudo scroll, but it would slow it ...
