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FZX: a new standard format and driver for proportional fonts[B]FZX[/B] is a very compact and efficient (although extremely flexible and powerful) standard format to create new fonts for the ZX-Spectrum. It sup…
... assuming a standard physical crt screen. I'm not a typographer ... picture I posted a long time ago?
[URL=http://www ... function no longer returns a buffer that contains trailing spaces so ... leading whitespace after that returned buffer -- in the demo I am ... -
Speccy Vs Amstrad CPC Vs C64I hope no one minds me posting this here as well as in the announcements section. I'll delete it if there is a problem. It's childish fun but can I …
... -the-chars-on-the-screen explosions at the end ... round the Spectrum from time to time, only to go ... 't been done to compare some other time:
... All released around the same time, with similiar price points ... would be well to compare with the TI-99 ... -
1985-2015.A topic where we can review games released on the Speccy 30 years ago, or, anyway, talk about that year.
... ://www.worldofspectrum.org/showscreen.cgi?screen=screens/load/h/gif/HyperSports ... has stood the test of time remarkably well and is still ... some times but due to time restrictions didn't test whether ... the graphics cannot hope to compare with today's HD behemoths ... -
A vehicle for wireframe engineHi, I'm playing with wireframe graphics right now. I'm open for ideas for (simple) game that would use wireframe engine. So if you have an idea, plea…
... at the moment drawing to screen is not synchronised.
time.
But ... screen, leaving you only the borders and frame flyback time ... a back buffer and blitting it to the screen when ... could use the shadow screen on the 128K machines ... -
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…
... those characters to the main screen.
I' ... it as your background each time. You can then print ... just before rendering to the screen. And there's an ... fill-in data from a buffer. I haven't quite ... you to restore the working screen from the backup, alter ... -
How to get the current line position of a +3e's text window?Does anybody know how to get the current line position of a [url=http://www.worldofspectrum.org/zxplus3e/]ZX Spectrum +3e[/url]'s text window? I've r…
... counter that's incremented every time a character is printed ( ... /> w_xpos ds.b 1 ; screen character (0-31)
w_ypos ... /> w_doubbuf ds.b 16 ; buffer to create expanded characters
; justify buffer (always at w_extra)
; ... -
Arduboy - 8-bit Gameboy-esque handheldLooks like a bit of fun. If it becomes available, and the price is consistent with the US price, I'd have one.<br><br><a href="http://www.technewswor…
... load one game at a time. At best, maybe a compendium ... .
A 128x64 pixel screen is 1K of data; the ... screen may have separate RAM but ... buffer is less than that and you have to repaint the screen ... -
'Input' MagazineJust wondering if anyone else remembers this magazine from the 80s.. And the cheesy TV ads..<br><br>https://www.youtube.com/watch?v=usiyCD2ptBQ…
... was pretty young at the time, so everything in it seemed ... go back to it and compare the systems. It's nice ... draw graphics on the same screen. :) -
New Game ~ Zombo![img]http://2.bp.blogspot.com/-aKUeQ1ePvIs/VauzoRJPNVI/AAAAAAAAA0I/QuG8vW_pqNY/s1600/Zombo%2Bloading%2Bscreen.bmp[/img] From my brother's blog....…
... 't edit them by the time he had discovered them because ... expand the text into a buffer at the end of the ... fun little game, the first time I've seen 16x24 sprites ... finished article. Love the loading screen and the look of the ... -
TV Pal, odd and even framesI have been researching, but haven't found any real interesting information on this subject, so far. What I mean is, since TV PAL signal is interl…
... frame, but includes all video buffer data, hence halving PAL scan ... full video buffer data. :(
One can still update screen only ... at 25hz, and get some more CPU time, but ... long as you take more time to produce an output then ... -
Could ELITE's wireframe graphics be improvedWas watching this video last night comparing the BBC and Spectrum version of Elite: https://www.youtube.com/watch?v=Ov4OAteeGWs It seems that the…
... drawn into a buffer, then copied to the screen - and possibly not ... , but it could also use screen-swapping to do the graphics ... thing being processed in real time is a planet, a sun ... -
I feel they could have done this.After reading the ZX Spectrum ULA, I learned about how the ULA detects if the Z80 if going to access memory in the next cycle and stops it if the ULA…
... direct link to the video buffer, you're merely suggesting that ... chips.
2. That buffer/RAM is still shared by ... suggest means that writing the screen will take longer because the ... is really great for its time, but expensive) because of some ... -
I feel they could have done this.After reading the ZX Spectrum ULA, I learned about how the ULA detects if the Z80 if going to access memory in the next cycle and stops it if the ULA…
... against other machines from that time.
[quote]Is reading ... For the Spectrum, reading the screen is basically the most economic ... to put (software) sprites on screen. There are other ways, ... copy of the screen and blitting that buffer to the screen at once ... -
Subtract 4 from an addressThis is a novice Z80 question really: I'm trying to vertical scroll my back buffer, but I'm not sure of the quickest way to apply an offset and mo…
... scroll the back buffer. Just copy it to the screen starting from ... a few lines into the buffer, then ... out of buffer, jump back to the top again. The screen will ... first line again. Then every time you copy a line, you ... -
Subtract 4 from an addressThis is a novice Z80 question really: I'm trying to vertical scroll my back buffer, but I'm not sure of the quickest way to apply an offset and mo…
... the buffer. The buffer then gets scrolled down one line at a time ... action over the buffer before it was drawn to screen.
Advices for double buffering ?Hi, I'm currently coding graphics routines for a forthcoming game, I use a double buffer (the dummy screen is at $e000, the code at $8000) to pro…
... the case, copying the buffer behind the raster is still ... copying as long as you time it so that the ... no reason to reduce the screen size. A fullscreen SP ... T-states so by the time the beam comes full ... likely drawn most of the screen. They aren't gonna intersectFull-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…
... could just use a small buffer centred on the main character ... repaint his patch of the screen - I'm pretty sure [i ... to do without the full-screen refresh loops, but some dedicated ... might be using top-border time consistently for different customised tasks ...Full-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…
... could just use a small buffer centred on the main ... allow for very nice full-screen cyclic attribute effects, with the ... altered given the remaining CPU time. Granted, multiple pages are ... might be using top-border time consistently for different customised ...Full-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…
... could just use a small buffer centred on the main character ... to do without the full-screen refresh loops, but some dedicated ... might be using top-border time consistently for different customised tasks ... could claw back some CPU time by keeping the bicolour ...Full-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…
... could just use a small buffer centred on the main ... might be using top-border time consistently for different customised ... then drawing ropes directly on screen bitmaps will simply appear as ... than 8 moving entities per screen (including player) and every ...is it possible to display code being loaded in a loader?hi, is it possible to display code being loaded in a loader?
... extra code taking up more time, but I've dumped a ... the front of the buffer to the screen while adding to the ... back of the buffer from the ... tape. Eventually the screen output catches ...Vega ARM SOC?I read that the core of the new Vega was an ARM SOC. I thought it would have been an FPGA. But it seems it's an ARM running an emulator. Anyone kn…
A similar effect, but this time using the ULAplus palette register ... the paper, achieving a full screen multicolour effect.
[code ... it is reading the graphics buffer. Only between frames.Let's copy buffers!Figured I'd do some double buffered graphics, so I can render for several frames before displaying stuff. Yes, I mean on a 48k speccy, so no 128k spe…
... the pixel part of the screen. Is this deliberate, to test ... copy during the top border time.[/quote]
I added a ... in any case - this buffer copy, buffer clear, plus actual rendering (maybe ... it would run out of screen draw time, but.. we'll see ...What am I doing wrong here?[code]IF INKEY$=SCREEN$ (21,4) THEN LET SCORE=SCORE+1[/code] It's delivering a positive every time.
... $25DB which, because the run-time flag is set (bit 7 ... instead of having the INKEY$ : SCREEN$ results on the calculator stack ... it has INKEY$ : SCREEN$ : SCREEN$, so when it does the ... to assign the SCREEN$ value to a string and compare that to ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... punch, most of the time, so we can optimize ... due to lack of programmer time, and not due to ... paging extra 16KB at a time, for level graphics.
... level 8 bits at a time.
- It will ... /> - It will use a screen back buffer.
- Player and enemy ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... that there isn't enough time in a single frame to ... character area.
- Copies buffer to screen memory using set of LDIs ... .
- Buffer is conveniently ROM ... that more than one frame time is being used (finishing late ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... the beginning of your active screen area, vertically
screen area
2. Screen update starts (buffer copy). ... updated screen frame
4. Presumably by this time your buffer ... duration' of the active screen area that is 20 ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... t scroll the entire screen, in a reasonable time, and we need ... of using an intermediate buffer, for composing a screen.
... tiles (two bytes wide), min buffer required is (SCREEN_WIDTH + (2 ... taking too much of my time already, while project is not ...P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... ), there isn't enough time for a screen 32x20 chars to be ... without flicker, synchronizing just near screen pixel start, the best suitable ... /> NOTE: rollover right side of buffer is off by one pixel ...
3 - Blue Border marks screen end.
So ...
