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Frames Per SecondHow many frames per second did the ZX Spectrum run at? I've found games that are 12.5fps but Ive recently been informed some games were at 25fps ...…
... a significant amount of CPU time. You don't get it ... of memory - buffer. When you draw directly to screen you must hurry ... you draw to buffer, it takes more time and memory but you ... have as much time as you need and you ... -
ZX81 + 16k RAM Pack + Original PSU... What's it worth?Hey guys Got my ZX81 this morning its in excellent condition.. [IMG]http://s30.postimg.org/iwetzxku9/IMG_20140818_142443.jpg[/IMG] However, my T…
... spent ages staring at the screen and pressing keys, thinking I ... 3D, being the very first time I'd looked down a ... 's and JM's to compare prices of games. Got a ... -
Frames Per SecondHow many frames per second did the ZX Spectrum run at? I've found games that are 12.5fps but Ive recently been informed some games were at 25fps ...…
... of memory - buffer. When you draw directly to screen you must hurry ... you draw to buffer, it takes more time and memory but you ... have as much time as you need and you ... to screen and you save time by only drawing areas on screen that ... -
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, using a buffer takes a lot of time. First you have ... to clear the buffer, or redraw ... in from a second, clean, buffer (which takes more memory). Then ... you copy it to the screen. -
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…
I've come to the conclusion that the only back buffer worth using is one where you can write to it while displaying the other screen, as per the Timex and 128. There are better things to do with CPU time on a 48K machine. -
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…
... routine to move to buffer to the screen with a 1 pixel ... that works and only spend time making it faster if it ... -
ZX-Paintbrush 2.5 publishedDear readers, as there were many updates since the last version, I want to bring this to public, so that I hopefully can return back to ZX-Assembler…
... another feature request for some time in the future...?...
< ... highlight a portion of the screen with the selector, copy the ... selection within the picture. Each time he hits F3 (the ... The Count feature would then compare the clipboard selection with the ... -
ZX-Paintbrush 2.5 publishedDear readers, as there were many updates since the last version, I want to bring this to public, so that I hopefully can return back to ZX-Assembler…
... another feature request for some time in the future...?...[/QUOTE]< ... selection within the picture. Each time he hits F3 (the ... The Count feature would then compare the clipboard selection with the ... inspectable by the user, the screen could
show a ... -
ZX-Paintbrush 2.5 publishedDear readers, as there were many updates since the last version, I want to bring this to public, so that I hopefully can return back to ZX-Assembler…
... another feature request for some time in the future...?...
... selection within the picture. Each time he hits F3 (the ... The Count feature would then compare the clipboard selection with the ...
Such a map-based screen content we produced as described ... -
BIFROST* ENGINE 1.2 released!Another improved version of the BIFROST* ENGINE is now available! Download it here: [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0027405[/u…
... looks corrupt most of the time. I may be doing something ... B], you will have enough time to call a few routines ... somehow possible to use double buffer (128k) to overcome partial refreshing ... content from normal screen and draw on shadow screen, another copy to ... -
Kempston joystick detectionIn both [url="http://skoolkit.ca/disassemblies/manic_miner/asm/34252.html#34332"]Manic Miner[/url] and [url="http://skoolkit.ca/disassemblies/jet_set…
... .
Chances are if the screen has stuff on it, reading ... return not zero in that time period. (And I think it ... is copy the title screen, so the screen certainly isn't blank ... high, and its an inverting buffer, D5 will always be low ... -
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…
... s on screen (or a copy held in a buffer) across ... repaints the entire scene each time. This can be quicker ... number of pixels at any time. Why neither game varies ... at that. If every time you moved it started ... scenery from the map every time. Thus you could move ... -
SpritesYes yes, I know this has been hashed over plenty of times before, but... I have knocked up a quick tiling routine which works with my back buffer co…
... buffer screen,
draw ORing/ANDing sprites on buffer screen,
draw the final buffer screen ... to main screen
loop ... /> Good luck and enjoy your time coding your new game, it ... -
SpritesYes yes, I know this has been hashed over plenty of times before, but... I have knocked up a quick tiling routine which works with my back buffer co…
... buffer screen,
draw ORing/ANDing sprites on buffer screen,
draw the final buffer screen ... to main screen
loop ... /> Good luck and enjoy your time coding your new game, it ... -
Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
... like edit buffers or disk buffer management. The target device is ... steps are byte-at-a-time, which reduces stack use by ... will fill just about anything; compare to 30k or so for ... -
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…
... can save a bit of time.
[*]The "multiplying by 64 ... question: "Why have that 3kb buffer at all?". The sprite positions ... new version had crossed the screen the old version was about ... -
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…
... /> @Battle Bunny: will take the time to answer to your post ... deleting the sprites). For the time being, I'm just interested ... "blitting" routine which renders the buffer on screen. Thanks! -
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…
... take that buffer and render it on screen, using a ...
[LIST][*] Copying from buffer to screen will be much easier and ... to copy 32 bytes from buffer to screen, without "combining" anything, ... overhead in comparison to huge time savings on everything else. ... -
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…
...
[LIST][*] Copying from buffer to screen will be much easier and ... to copy 32 bytes from buffer to screen, without "combining" anything, ... overhead in comparison to huge time savings on everything else. ... pixel effects. At the same time, no-one in their ... -
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…
... ; copy 48 lines from buffer to screen
REPT 2 ; ... (16 bytes each) from buffer to screen
ld sp,nn ... /> Therefore copying entire buffer to screen will be about 87,000 ... 806163]At the same time, no-one in their ... -
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…
... 's 30 characters; with screen-flipping on a 128K you ... rendering) is to have a buffer twice as wide (or ... wider than the main screen to allow for a ... to the top of the buffer when you reach the ... layer screen with a scrollable background layer in real-time, and ... -
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…
... are seen on the screen, not in their sequence ... and then copy the buffer to the screen, it just addresses ... screen.
What's the point of this buffer ... business? As the buffer isn't in ... to be decoded every time before it can be ... -
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…
... 's the point of this buffer business?[/QUOTE]
... to update almost the entire screen before displaying it again. It ... simply use NIRVANA and update screen directly. :)
Unless ... using this time to also copy from linear buffer would not ... -
Testers for new z88dk clibA long (long, long, long) time ago a few people offered to help test the new clib in z88dk. Much time has passed since then and I won't hold people,…
... character at a time and cannot edit. A buffer can be ... code 7?), enable pause when screen is full, cook on ( ... b_array being used for edit buffer
ioctl(fd ... IOCTL_OTERM_PAUSE, bool); // enable pause on screen full
ioctl(fd, IOCTL_OTERM_COOK ... -
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 most limited - of the time.[/QUOTE]
Attribute systems ... by altering the level layout (compare and contrast with Jet Set ... make the game better. Your screen was built out of fixed ... better masked how little on screen action there was.
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 playability at the same time. (you say 'the game would ... a simple example like pyjamarama). Compare the main character on Extreme ... sitting further away from the screen when playing c64 games if ...The Infeasible GameMy new game will be available early next year. One or two little bits to sort and then I need to play test all the levels. For now, here is a short v…
... scrolling 2 pixels at a time (all pre shifted). It can ... 51 floor tiles. No back buffer is used so all the ... and redrawn directly on the screen.
There is on ...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 …
... , go on then... one last time:
The Amiga was ... the machines available at the time, the Amiga was the 16bit ... over throwing sprites on a screen. There were a few examples ... 256 colour Spectrum emulator and compare to Amiga versions of games ...
