... can't synchronize with the screen refresh (I don't know ... can try loading programs and compare).

The best results ... 't have all the free time I need to develop ZXBaremulator ...

... draw everything to the screen or did they have ... a back buffer, as there’s plenty of time to draw ... and redraw your sprites off-screen and ... it, copy it into the screen file.

... to the beginning of the screen area (rather than the ...

... so saved both memory and time.

The simplest ... whole character squares of the screen. It should be big enough ... order and redraw in the buffer. The outer rectangle is just ... the inner rectangle to the screen. Any complex overlapping outside the ...

... only used for the printer buffer on the 48K.

screen bytes, the relocation routine at ... load these one at a time.

I'd also ...

... 16384 will overwrite the screen, printer buffer (there is where ... time (with the program stopped) we've got the a SCREEN ... inmediatly will make the loading screen dissapear.
- ... user has time to see the loading screen and because ... give it some time to stop)

... a byte from the screen into a cache, then ... it back to the screen only when the line ... (compared to getting the screen byte into the cache in ... still have cached screen bytes. I could compare their addreses, and ... I only waste the time of that extra fetch and ...

... -border time between the interrupt and the copy-to-screen.[/quote ... ]
With a single 4k buffer you can ... the time, so it will be negligibly slower on average. Buffer ... though![/quote]
The full time from "ld ix,copy_addr_table" to ...

... can have, for example, off-screen buffers, and then you still ... , the buffer space could hold some sort of additional one-time content ...

... see that, because the NES screen has less characters across compared ... to scroll a proper colour screen. The "colour RAM" (think attributes ... , so whilst you can double-buffer the character part of the ... CPU not having time to copy a full screen of data during ...

... /> -b1 @ top left of screen pixel area
-b2 @ ... of screen pixel area
-b3 @ space in Print Buffer ( ... br /> [b]Alternate Loading Screen (-s screen.scr)[/b]
As default ... screen with the original loaded in right before run time. ...

... as it moves up the screen.
(2) An algorithm that ... horizontal squeezing on a back-buffer, with no vertical compression, then ... in real-time with a copy from the back-buffer to the screen.

... as it moves up the screen.
(2) An algorithm that ... horizontal squeezing on a back-buffer, with no vertical compression, then ... real-time with a copy from the back-buffer to the screen.[/quote ... and right parts of the screen , like in the New wave ...

... of those 224T are the time it takes to draw the ... running a little ahead of time, thus re-synchronising each line ... the top line of the screen; synchronising itself with memory writes ... doesn't use a linear buffer of colour data. The data ...

... size of the active screen area for performance reasons, ... from my own linear buffer of 32x24 bytes into ... from my own linear buffer, now modified to 32x48 ... use the upper border time for something more productive ... data at a time from the buffer into a register, ...

... advanced compare to a lot of the games around at that time ... them. Gone were the single screen, 8x8 pixel graphics and in ... came the flip screen / scrolling larger 'sprited' stuff ...

... where, a lot of the time, the system we first play ... PC (on a Hercules green-screen!) and even though the SNES ... , for me, nothing will ever compare to the PC Engine version ... ) was just astonishing at the time.

For the ULA and accurate screen updates - just as you say, ... whatever remains of the 20ms time slice since the last frame ... twiddling your thumbs until the buffer starts to play, then start ... building the next sound buffer contents.

Because ...

... is to:
1) detect screen writes, and border changes,
screen.
Then on the ... have time to do that. So you set up a looping buffer ... for unsupported ports. So while screen generation is occurring, you can ...

... GG version of Rygar to compare it to, but unlike ... Rygar went into the loading screen, which is pretty special, ... given the games of the time though, look at Contra/ ... been way better at the time....

OK I ... I've spent more time in my life playing ...

... update changed areas of the screen before it comes around again ... copied from the back buffer (see build the screen somewhere else in ... memory) to the main screen.

[quote="Renegade; ... AY + Beeper at the same time? Are there any other games ...

... not see any length of time specified on my terms and ... careful how you hold it. Compare the handset of an ordinary ... with my phone's on-screen "keypad" I pressed the number ... familiar to me, the short time I was out to go ...

... to be printed on the screen. This happens constantly in ... attributes from a ring buffer in a 256-aligned ... The format of the tile buffer though is interesting, as ... buffer, and this is how they are processed at draw time ... just once in some 4 screen updates. I don't ...

... , so I set my active screen to 16 characters across and ... time and found it fairly quick to use. The actual back buffer ... one being that a back buffer doesn't need to be ... columns arrangement for the back buffer and re-mapped that with ...

... gen system so I cant compare to PS4/Xbone. It has ... amazing even on the big screen.

I love that ... physical copies. Realistically, by the time any of the digital stores ...

... modulator, and bypassed the output buffer, and I can get ... that looks like an uninitialised screen, with some random memory ... is going to take some time by the look of ... and other bits. I have time to fix it.
... a feeling that by the time I've fixed this, ...