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  • Why on earth did I buy...Couldn't see a topic for this, so apologies if it does exist. Aside from games, what did you buy, and put away in a draw the next (or same!) day - …

    [QUOTE=joefish;788939]I faffed around with ... libraries, sprite print and screen scroll functions.

    But yes ...
    rich_chandler rich_chandler September 2014 Sinclair Miscellaneous
  • Megatree DevelopmentHi All, I have been messing around with developing a concept for the unwritten game Megatree. Here is a video of what I have so far written on a 48…

    [QUOTE=joefish;798281]One reason you don' ... than just doing a pixel scroll every time around the main ... that they do not use scroll?
    Ivanzx Ivanzx October 2014 Development
  • Please explain Spectrum FPGA-clones to meI've been using the great ZXDS-emulator on the DS XL so far, which is great. But I kinda missed toying around with hardware. I've tried bidding on a …

    ... kind of feeling sorry for Joefish here, getting a little slammed ... some ways... But I suspect Joefish was more interested in making ... computer that is running 3D FPS games...

    I think ...
    kgmcneil kgmcneil November 2014 Hardware
  • 64x48 monochrome big pixels display ideaHi. I was playing with this idea of having a simple 64x48 bytes buffer, 1 byte per pixel, then a renderer which would take that buffer and render it…

    ... /> This routine above will take 50,142 T-states to copy ... sense when you need to scroll parts of the screen only ...
    Einar Saukas Einar Saukas December 2014 Development
  • 64x48 monochrome big pixels display ideaHi. I was playing with this idea of having a simple 64x48 bytes buffer, 1 byte per pixel, then a renderer which would take that buffer and render it…

    ... B] first. :)

    [QUOTE=joefish;806286]One way to optimise ... 3 times.

    [QUOTE=joefish;806286]A more memory-efficient ... . But how can we scroll an odd number of steps ... for odd numbers. To repeatedly scroll single steps sideways, you alternate ...
    Einar Saukas Einar Saukas December 2014 Development
  • 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 …

    ... /> Spectrum can display even better scroll, as for example Uridium (18fps ... by going on about the fps of the scrolling backdrop in ...
    Muig Muig December 2014 Games
  • 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 …

    ... scrolls outside of 1 frame (50/60hz) is a fail.
    scroll is what he means by ...
    STE'86 STE'86 January 2015 Games
  • 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 …

    ... scrolls outside of 1 frame (50/60hz) is a fail.
    scroll is what he means by ...
    Swainy Swainy January 2015 Games
  • 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 …

    [QUOTE=joefish;811078]So your main claim ... rainbow processing with the 50hz scroll, how fast you'd have ... processing power to do 50hz scroll and the multicolour.
    Fizza Fizza January 2015 Games
  • ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…

    ... Sinclairean emulator, give perfectly smooth scroll on a 1.6 ghz ... , ZX MAK2, has 50-60% cpu occupancy, but scroll still isnt perfectly ...
    Pegaz Pegaz January 2015 Emulators
  • ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…

    ... Sinclairean emulator, give perfectly smooth scroll on a 1.6 ghz ... , ZX MAK2, has 50-60% cpu occupancy, but scroll still isnt perfectly ... is not good frequency for 50 Hz video. 75 Hz is ...
    ZXMAK ZXMAK January 2015 Emulators
  • 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 …

    [QUOTE=joefish;813101]That's not enitrely ... 't just cosmetic so the FPS in this case makes the ... the C64 having a lower FPS on that game will be ...
    TMR TMR January 2015 Games
  • 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 …

    ... leans towards things that A) scroll and B) have shooting, the ... -set, to crank up the FPS and forget the consequences. I ...
    Graz Graz January 2015 Games
  • Printer clearout jan 2015I have too much of this in stock: [IMG]http://benophetinternet.nl/hobby/sales/SAM_0118.JPG[/IMG] Starting test 1,2,3... More posts to follow. Let m…

    ... there are updates, so please scroll to the last post of ... , ok?
    Postage is ?7.50.

    - Timex Sinclair 2040 ... ), ok?
    Postage is ?7.50.

    - Timex Sinclair 2040 ...
    ?10, postage is ?7.50.
    bverstee bverstee January 2015 Sales
  • Emulator refresh ratesOkay, I'm going to ask a really lame, beginner question ;) Zx Spectrum refreshes screen 50 times per second. I'm running emulator on PC which says …

    ... depends on time difference with 50 Hz frame rate [/QUOTE]
    scroll too?

    The interesting ...
    Ralf Ralf February 2015 Emulators
  • Trial version of CharAde graphics engine for Sinclair BASICA trial version of my <span style="font-weight: bold;">CharAde</span> graphics engine for Sinclair BASIC is now available. It consists of a block of …

    ... loop is managing about 5 fps overall; the scenery moves at ... is tracking two variables; a 'scroll position' which starts at 0 ... to the foreground by the 'scroll position' and copies the background ... to the left by the 'scroll position', and wraps around when ...
    joefish joefish June 2015 Sinclair Basic
  • ZX Spectrum issue 2 has only blue tintsRecently I've bought a 16k speccy and ran into some issues with it. Faulty keyboard, broken caps, no stable frequency, faulty lower RAM chip, it bein…

    ... “ “
    40 NEXT M
    50 NEXT N
    60 GOTO ... , press enter when it says 'scroll?' then disconnect the membrane and ...
    wedwo wedwo August 2015 Hardware
  • I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…

    ... be running at about 15 fps. It was good, but that ... what I presume is 60 fps and it's completely transformed ... it. Not bad for £3.50!
    Vampyre Vampyre September 2015 Chit chat
  • I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…

    ... be running at about 15 fps. It was good, but that ... what I presume is 60 fps and it's completely transformed ... it. Not bad for £3.50!

    [/quote]

    dm_boozefreek dm_boozefreek September 2015 Chit chat
  • r-type in development for the sam coupehttp://cookingcircle.co.uk/ we need z80 coders graphics artists and audio this is the amstrad cpc 6128 version: https://www.youtube.com/watc…

    DMA scroll fullscreen in mode 4(24kB) at 25 fps. But now I have prototype of DMA interface for support sprites 16x16 pixels. Next version will support also transparent colors in sprites.
    velesoft velesoft September 2015 Development
  • Fixed point math lib?Is there a liberally licensed fixed point math lib for z80 somewhere? When searching, I expected to find a bunch of GPL'd ones and perhaps one or two…

    [quote="joefish;841439"]
    [EDIT] Actually I ... -type=text%2Fplain

    scroll down to "loop_0" to see ...
    Alcoholics Anonymous Alcoholics Anonymous November 2015 Development
  • New version emulator ZEsarUX-4.0Hi I have uploaded a new version of my emulator ZEsarUX 4.0. You can download it from the project web page: http://sourceforge.net/projects/…

    ... /> Debug: cpu: -1
    Debug: FPS: 50
    Debug: Beeper Silence detected ... /> Debug: Silence detected
    Debug: FPS: 50

    /Pedro
    pmsr pmsr March 2016 Emulators
  • Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…

    [quote="slenkar;857988"]
    So using IX and IY is a bit more generic and easy but has a size and speed penalty?
    [/quote]

    It is easy but it's not always slower nor is it always bigger. If you can't hold the current working set of ...
    Alcoholics Anonymous Alcoholics Anonymous April 2016 Development
  • Spectranet UsersHi! I'm testing Spectranet interface on Fuse and I'm thinking on emulating spectranet on ZEsarUX. Some questions: 1) Are there many active Spec…

    [quote="joefish;860184"]Maybe he can explain ... a million-dollar-budget 100 fps first-person-shooter deathmatch and ...
    hikoki hikoki May 2016 Hardware
  • 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/…

    ... have high frame rates. Low FPS overall = less frames with tearing ... Keys 6 and 9, to scroll.

    Look at ~1 ...
    RMartins RMartins June 2016 Development
  • 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/…

    [quote="joefish;868268"]But again, I'd ... level transitions, when a vertical scroll is needed.
    Without compromising ...
    RMartins RMartins July 2016 Development
  • Where does the BASIC program sit 48K Spectrum memory?Hi there First post so be gentle, I've had a spectrum since the 80's and have recently started programming it for fun again. I wrote the followin…

    ... /> 45 POKE a,56
    50 NEXT a

    Instead ... /> ( The little snippet of code Joefish posted there works the same ...
    p13z p13z September 2016 Sinclair Basic
  • Rendering techniques in emulatorsI've been giving thought to the possibility of speeding up the rendering in Zero considering I've been putting it off long enough. My approach is c…

    [quote="joefish;524147"]
    I'd heard ... they can sometimes measure an fps that's higher than that ...
    AndyC AndyC October 2016 Emulators
  • Playstation 4 ProI honestly don't get it... "The most powerful console in the world!": yeah right, until they launch PS5 in 1 or 2 years. Also, no Blue Ray? G…

    [quote="joefish;886179"]It does have a ... players for sale for around £50 I think?
    Bermondsey Bob Bermondsey Bob November 2016 Chit chat
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