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Just for funJust for fun, imagine the Spectrum had a graphics mode where there were two attribute bytes per 8x8 block and each block had 2 bits per pixel choosin…
... C16 (which doesn't have sprites).
You could use ... same. But you could also alter the attributes so that the ... -
Just for funJust for fun, imagine the Spectrum had a graphics mode where there were two attribute bytes per 8x8 block and each block had 2 bits per pixel choosin…
... C16 (which doesn't have sprites).
You could use ... same. But you could also alter the attributes so that the ... -
Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…
...
call draw_sprites ; Unprint sprites
ld ix ... vsync halt ; Wait for next 50hz interrupt.
ret
... br />
; Draw all sprites using XOR method.
Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…
...
call draw_sprites ; Unprint sprites
ld ix ... vsync halt ; Wait for next 50hz interrupt.
ret
... br />
; Draw all sprites using XOR method.
Learning Assembly LanguageHow easy would it be to learn assembly language for someone who has a decent grasp of Basic? I mean how long do you think it would take before I coul…
...
call draw_sprites ; Unprint sprites
ld ix ... vsync halt ; Wait for next 50hz interrupt.
ret
... br />
; Draw all sprites using XOR method.
ZXSpin question...Hi Folks, ZXSpin has the ability to set the Z80 CPU Speed and the Emulation Speed. Not sure I understand the difference and my installation of ZXSp…
... game synchronises itself to the 50Hz interrupt then increasing the CPU ... on the setting, which will alter the speed of everything. Emulation ...yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... processes aren't allowed to alter.
[quote]
The ... of T states at a 50Hz interrupt rate (about 70000 on ...SpecBAS: Request for comment - SpritesHi all - Having been slaving away at the new SpecBAS release, I've decided to finally bite the bullet and implement a sprite engine. I've got a nice…
... Are these really floating-layered sprites then, rather than just ... clipped) they're attached to. Sprites are therefore "floating layer" ...
[quote]
Are the sprites drawn in numerical order? The ... and SPRITE BACK commands to alter the order. Might add ...SpecBAS: Request for comment - SpritesHi all - Having been slaving away at the new SpecBAS release, I've decided to finally bite the bullet and implement a sprite engine. I've got a nice…
... altering the hotspot might also alter your rotation routine results, but ... to work with than the Sprites (BOB commands start at p212 ...SpecBAS: Request for comment - SpritesHi all - Having been slaving away at the new SpecBAS release, I've decided to finally bite the bullet and implement a sprite engine. I've got a nice…
... altering the hotspot might also alter your rotation routine results, but ... ).
[/quote]
All sprites rotate about the central point ... for my A1200. Aside from Sprites, SpecBAS left AMOS behind a ...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…
... to make it run at 50Hz.
I'm also ... memory, whilst drawing the game sprites from a character map in ...SpecBAS 0.630 now available.A small fix to the animation system for the sprite engine in SpecBAS results in a new release. [url]https://sites.google.com/site/pauldunn/SpecOS.zi…
... just wanting to alter the number of sprites in the sprite demo ...Jet Set Willy II - collecting objectsThe POKE to reduce the number of objects you need to collect doesn't seem to work. [CODE]POKE 34686,1[/CODE] It looks correct. It changes the CP 150…
... or even trying to alter any of the sprites to represent an ...CSS has been Rogeredcomp.sys.sinclair has just been rogered. I make do with a summary when anything happens and activity shot up on Friday. Turns out to be the usual qu…
... phosphorous decay as letters move 50hz - pity same routine cant be ... if they are moved at 50hz!
so apologies for that ... it along with the 16 sprites and 3xdmay - seems a bit ...CSS has been Rogeredcomp.sys.sinclair has just been rogered. I make do with a summary when anything happens and activity shot up on Friday. Turns out to be the usual qu…
... phosphorous decay as letters move 50hz - pity same routine cant be ... if they are moved at 50hz!
so apologies for that ... it along with the 16 sprites and 3xdmay - seems a bit ...CSS has been Rogeredcomp.sys.sinclair has just been rogered. I make do with a summary when anything happens and activity shot up on Friday. Turns out to be the usual qu…
... phosphorous decay as letters move 50hz - pity same routine cant be ... if they are moved at 50hz!
so apologies for that ... it along with the 16 sprites and 3xdmay - seems a bit ...Classics ported or cloned on good ol' SpeccyHi, Spectrumists! I'm a fan of classic arcade games and I would like to know from you what do you think about ports or clones of such games on the S…
... draw, updates the positions of sprites, and simulates the memory-mapped ... the same otherwise, well, at 50Hz rather than 60Hz :)
Classics ported or cloned on good ol' SpeccyHi, Spectrumists! I'm a fan of classic arcade games and I would like to know from you what do you think about ports or clones of such games on the S…
... draw, updates the positions of sprites, and simulates the memory-mapped ... the same otherwise, well, at 50Hz rather than 60Hz :)
Drunken foolery!I've been pissing around with AGD for the last week or so, something may be coming together? Also I've had a few beers, listening to some tunes, lik…
Layout and sprites for screen 9 are almost ... code already there you can alter to make the AIR ( Or ...Vampire Hunter WillyA very nearly finished version of a game I started in 2004. [IMG]http://img.photobucket.com/albums/v627/DaRkSiDe74/VHWTitle.jpg[/IMG] [IMG]http://i…
... screen to wrap up, some sprites to do, and once i ... /> I may [I]possibly[/I] alter a couple of screen names...Too few light gun games available? Any ideas for a decent shooter game?Terminator 2: The Arcade Game ported from the original GameBoy would be an excellent addition to the Spectrum's light gun collection. What shooter d…
... is that you need a 50Hz CRT for it to work ... is pressed and highlight the sprites in binary sequence to determine ... flashes to distinguish between 8 sprites though (actually 6 if you ...New MM ProjectHaving finished VHW, thought i'd have a crack at doing a Manic Miner game before getting on with AGD. Been on it for a couple of hours so well under…
... of them have room specific sprites so you can have 2 ... have to use up your sprites. JSW 64 has no Guardian ... . Also JSW allows you to alter the font (to make it ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... need big sprites and fast movement. But at 50Hz the entire width ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... need big sprites and fast movement. But at 50Hz the entire width ... one frame and drawing the sprites ahead of it in the ... the scrolling background and sprites but the 50Hz scrolling of the ground ... of the play area at 50Hz but the 'interactive' area at ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... full screen at 50Hz, though that's obviously without sprites or any ... feeling that drawing those masked sprites in [I]Cobra[/I] is ... fair. But the bit of 50Hz is a lovely trick for ...Pixelwise scrolling sideways - how many ways to do it?Not that I need to, but I've been wondering if there's a good way to do this that I haven't considered. Scrolling [B]pixelwise [/B]vertically is "ea…
... full screen at 50Hz, though that's obviously without sprites or any ... position your code for drawing sprites and managing the updates of ...Exilei\'m sure this has been brought up before but couldn't find a thread in 'New Game Ideas'. Why did the Spectrum never get a port of the BBC game Exile…
... a load more memory for sprites and graphics, and it only ... advantage of being able to alter the map in real time ...Paradroid for C-64, why not in the Spectrum?Reading the special 30th anniversary Retro Gamer, I came across this game which was considered to be the best game for the C-64, and it does not look…
... , the difference between 25Hz and 50Hz scrolling is noticeable, but I ... than there really is. The sprites in [I]Uridium[/I] on ...Games with good scrollingI know the Speccy's forte was not scrolling games but their must have been some that not flick screen and maybe even smooth! I remember playing a few…
... have been running on a 50hz Tv in the day but ... and let's say 8 sprites moving then there isn't ...Games with good scrollingI know the Speccy's forte was not scrolling games but their must have been some that not flick screen and maybe even smooth! I remember playing a few…
My version of a reengineered JSW runs at 50Hz with 8 sprites.
However depending on relative positions, severe sprite tearing can occur.
Great info from joefish about scrolling games screen refreshing over two frames :-)
