-
Poke 23755 & 23756Entering the following few lines of BASIC: [IMG][URL=http://s1286.photobucket.com/user/rebelstarwac/media/Poke1_zpsc2845838.png.html][IMG]http://i12…
... /> The 128k editor maintains a screen buffer which is what is shown ... on the screen. When it does a relist ... up the rest of the buffer with as many following lines ... doesn't have an editor screen buffer as it uses a line ... -
Another vertical scrolling questionwhile talking about w256 x h128 vertical scrolling, are 128k modes have any advantages over 48k models? has extra ram or swappable screen buffer any…
... /> has extra ram or swappable screen buffer any use on scrolling?[/QUOTE ... advantage due most issues with screen sync are gone. And it ... 49152 and draw it to screen swapped off than trying to ... -
Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... routine but our data (a screen buffer for example) are a "part ... awkward work with such a buffer separated by LD HL,NN ... -
Copy 4Kb in Assembly?Here's an interesting problem: what's the best way to copy a block of 4Kb in assembly? The most obvious solution is to use [B]LDIR[/B]: [CODE] l…
... this to copy off-screen buffer onto the screen. This is why people ... used "nonlinear" off-screen buffers. This approach can easily ... -
128k programmingOk, I have had the normal man look (ie. not really), I want a good resource for 128k asm programming. Mostly just to find out how the RAM bank switc…
Yes, but you save the need of an off-screen buffer you have to copy to the screen memory. -
128k programmingOk, I have had the normal man look (ie. not really), I want a good resource for 128k asm programming. Mostly just to find out how the RAM bank switc…
[QUOTE=na_th_an;734560]Yes, but you save the need of an off-screen buffer you have to copy to the screen memory.[/QUOTE]
oh yeah thats true -
Journey's End III was a big fan of Journey's End and invested many months of my life in playing this very hard game. I even had plans in 1987 to make a follow up. In…
Journey's End III was a big fan of Journey's End and invested many months of my life in playing this very hard game. I even had plans in 1987 to make a follow up. In…
[QUOTE=LCD;736635]No title Screen yet, no time, but in-game: ...[/QUOTE]
Excellent - nice to know the game is still progressing!IF1bis vs SpectranetSince I will shortly have access to both an IF1bis (which I've bought) and a Spectranet (thanks to a loan from cmonkey), I will be in a position to g…
... minimum by allocating a larger buffer (and with some smart asm ... to the start of the buffer each time if you know that ...Isometric GamesAs a longer term project I'm thinking of attempting an isometric game, along the lines of Alien8, but with Magic Knight. No promises though, because …
... that Ultimate redraw the whole screen every frame - that would be ... redraw chunks into a full screen buffer and then copy the changed ... chunks to the main screen.
This would be a ...Elite Kickstarter ProjectAs some of may know Steve Wilcox of Elite is currently close to raising ?60k via Kickstarter to begin manufacturing a USB spectrum keyboard. I have g…
... guessin most owners by that time had a joystick..
screen 'keyboards' are horrible. And I ... 't stand the touch-screen for real time controls. It's fine ... the odd thing on the screen, or for flicking through the ...Craziness!It is really unbelievable the amount of games being produced for the Spectrum...I lately have the feeling that it is out of my hands and that I need …
... can even manage one-screen-at-a-time puzzlers.
Being ... 's just a matter of time :)Pac-Land: can be coloured?All versions of this game are full coloured, but not the Spectrum version. It has large sprites, but maybe the scroll is too fine to make a coloured …
... any vertical location on the screen, presumably then, the sprite could ... been moved horizontally across the screen which would have only requires ... copied directly to the screen without spending time to shift them horizontally ...IF1Bis problems. The Edge of the Spectrum...Advice is sought from the learned on WoS. I just bought an Interface 1Bis from sunny South Africa. It arrived fast, but unfortunately doesn't work.…
... around the GBL interface screen for some time and came up with ... of questions marks on the screen after a while. I cannot ...IF1Bis problems. The Edge of the Spectrum...Advice is sought from the learned on WoS. I just bought an Interface 1Bis from sunny South Africa. It arrived fast, but unfortunately doesn't work.…
... around the GBL interface screen for some time and came up with ... of questions marks on the screen after a while. I cannot ...1984-2014here I will account for my journey through games released thirty years ago, just like last year for 1983 games, and you can do the same.
... ://www.worldofspectrum.org/showscreen.cgi?screen=screens/in-game/b/Bristles ... etc. It's one screen at the time with progressive chaos and ...THE HOBBIT loading screenHello again, thought I'd have a go at an alternative loading screen for The Hobbit. [IMG]https://dl.dropboxusercontent.com/u/61658082/THE%20HOBBIT%…
... feel the same. It's time to move on, while this ... suggestions about the last screen, it's time to choose. Please provide ...THE HOBBIT loading screenHello again, thought I'd have a go at an alternative loading screen for The Hobbit. [IMG]https://dl.dropboxusercontent.com/u/61658082/THE%20HOBBIT%…
... suggestions about the last screen, it's time to choose. Please provide ...Formula One 2014Well it is nearly that time again with just a couple of weeks to go,I have been following reports of the testing last week and it seems topsy turvy w…
... /> I noticed on the screen at the time that it showed lap ...Double-Buffer ScreenFor my Alien Breed Speccy re-write I decided to use a Double Buffer (DB) or 'Back Screen' to draw all the game action onto, before shuffling the whol…
[QUOTE=joefish;765476]So, your screen buffer is in linear order instead ... of Spectrum screen order? Good move.[/QUOTE]
screen to the display area, while ...Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... video memory into its own screen buffer and generates a SCART-compatible ... a second or even third screen. As a minimum it should ... be able to place its screen address at least on any ... />
Being able to double-buffer the display (like [I]SPECTRA ...Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... beep momentarily stops and the screen prints a single "?" character, ... the copyright message. The screen thus slowly fills up with ... copyright message moving up the screen. The machine is unresponsive ... whatever is on the screen at the time. Pretty similar to ...Poorly Issue One 16k spectrum diagnosis?Hello, everyone. :smile: I was lucky enough to buy an Issue One 16k rubber key the other week; I didn't know it was an Issue One till I opened it up…
... beep momentarily stops and the screen prints a single "?" character, ... the copyright message. The screen thus slowly fills up with ... copyright message moving up the screen. The machine is unresponsive ... whatever is on the screen at the time. Pretty similar to ...displaying all memory activity in a screenDunno why I keep thinking about this, but here goes Is it easy enough to add a screen to an emulator that shows every memory address' activity.... …
... games where the off-screen buffer is for screen data. Starion is of ...Why don't some games take advantage of the full screen?Putting the game play into a smaller box does it improve the speed of the game? I noticed a lot of games especially arcade conversions that a lot of…
[QUOTE]Putting the game play into a smaller box does it improve the speed of the game?[/QUOTE]
Yes.
Do a real life experiment. First try to mow a full lawn, then 1/2 of lawn. Compare time :)Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
... /> You can use the screen for 1 time use code like starting ...Faulty 128+2 - Video Help NeededHi Everyone, I'm going to post up 2 vids , in the hope someone can diagnose the problems or at least point me in the right direction. First up the …
... the issue that that screen appears every time you switch on the ...Buffer to screen - how much?[FONT=Calibri][SIZE=3]I am starting to build a new game and am researching different ways to accomplish what I need to do. My question is, is it poss…
... is the stack PUSHing the buffer to screen behind the scan line ... can switch between the corresponding screen & buffer addresses just by toggling ... I say!) [/I]your buffer to screen and just not HALT in ...Buffer to screen - how much?[FONT=Calibri][SIZE=3]I am starting to build a new game and am researching different ways to accomplish what I need to do. My question is, is it poss…
... [/url]
Uses a screen buffer in linear format, not the ... same way the screen memory is stored. I find ...Creating a linked list in Z80[FONT=Calibri][SIZE=3]I am using a circular buffer to store tiles to be displayed on the screen. Tiles only appear for a set period of time, so when …
... your input. When I have time I might play around with ... if you wrap the circular buffer each time you look at an ...
