... ), 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 ...

... in relatively short order. Just compare with say, many Android phones ... is cheap these days, and screen real estate is something you ... uses. By the time that has changed, time for a new TV ...

... 0x5CD9 LDIR ; Fill screen with random data from ROM ... LD A,CB ; Compare the remaining time with ~2400t (ROM)< ... /> ;Update destination (screen) address in IX
;Screen goes from
screen address space
...

... a rectangle on screen (see the zx screen address functions that ... array like "unsigned char buffer[1024];" and load the ... [code]
extern unsigned char buffer[]; // buffer points at the array in ... that will go away with time. Among them, the new ...

... 's taking most of the time. Having the sprite draw in ... sprite in a buffer and then copies the buffer to screen, then draws ... one sprite to the next buffer and ... copies it to the screen, etc, until ...

... one sprite every time.

frame 1: buffer 1, 1 ... sprites
frame 10: buffer 5, 2 sprites
... 3 sprites
frame 12: buffer 2, 3 sprites
... and clears the whole screen. I was thinking of ... copying that to the screen to speed it up ...

Thanks!
jp: Yes that screen from Battle of the Planets ... do. As for the hack, Time Gate uses a self-running ... I can use as a buffer to copy it down to ...

... reducing the amount of wait time till the CPU can start ... takes 110% of a frames time. In a double buffered scenario ... one. By inserting an intermediary buffer, you can get back to ... quicker and updates to the screen should happen more often (the ...

... input devices at the same time, then ideally it would ... are active on the title screen. If however the game ... be typically executed while last screen rows are being rendered.< ... that copy images from buffer to screen inside interrupts (for synchronization ...

... a tape recorder and TV screen in a nice small package ... input/output ports myself given time and care to figure out ... attach what and how to buffer it to protect the circuitry ...

... a buffer screen in memory anyway. Drawing lines on Spectrum is quite time ... you have several lines on screen.

In such ... clearing Spectrum screen at 16384 as copying the buffer onto it ... of actual screen memory. If you make your buffer linear, then ...

... charge of Sinclair at the time (and armed with hindsight) ... was a waste of time and had taken most ... memory buffer for use with DMA to increase screen draw ... an improved ULA with additional screen modes:

... the initial cost at the time for a drive, it ...

... the custom screen loader without slowing it down. The compare byte in ... at 145. Standard load speed compare byte is 172. This is ... one pixel line at a time,

... new and for probably long time the last version of MBC ... the middle third of the screen to refresh badly. Now OK ... line end comes to a buffer start, the one line will ... not going to waste my time and free memory for fixing ...

... just scrolling the entire screen (likely in a buffer); it's only ... 's not redrawing the screen every time from the lines or else ...

... circular) buffer that is traversed using RET at draw time [color=#CCCCCC ... each tile begins on the screen and such you could probably ... over the contents of the buffer.

... portion of the spectrum community. Compare that to a hundred or ... of wasting a lot of time for a non-retro when ... capacity) AND on-chip line buffer AND yet some extra logic ...

... static 256x192, 32x192 colour Timex screen created by Jim Bagley:
time is very important. Most people ... sense in arguing about it, time will tell, and I ... capacity) AND on-chip line buffer AND yet some extra logic ...

... terrible on a regular spectrum screen. To use ula+ to its ... capacity) AND on-chip line buffer AND yet some extra logic ... hw defines exactly how much time is required in each frame ... is the space or the time there for someone to do ...

... talked about it all the time. Bankswitching and hi-res mode ... b] Instead of using this time to write other Spectrum software ... sprites' relative positions on the screen (and no, it has nothing ... /> The 128k added a double buffer mode :- NOT ALLOWED
The ...

... selection or the pause screen, normally some of the ... 't actually crash every time after doing a NMI ... the way the buffer is copied to the screen here. Essentially ... [/b] of its running time inside this loop. If ... this time, there's a high chance that the buffer ...

... tile help conversion, and similar screen area means that the level ... simple :)

If you compare the level 1 that I ... color limits, most of the time.

I truly believe ...

... overwrite anything drawn to the screen directly.
[/quote]
screen. You can draw into a buffer and ... drawing into a buffer instead of screen. You'd have ... to screen and copy that to a buffer which ... assign them at compile time using [url="https:// ...

... clipping rectangles extend outside the screen area which will cause ... sp1 from drawing outside the screen boundaries is this clipping rectangle ...
Another thing is your buffer to print se->dy ... the compiler) so the first time this code is encountered, ...

... procedure which will copy buffer to screen and take into account ... the way you organised the buffer ... - just the same as Spectrum screen memory is organised

- redraw whole location each time (slow but may be necessary ...

... I would like to save time, so I will try ... the terminal pause when the screen is filled before printing ... to 0,0 when the screen is filled.
bit ... if you run out of buffer space to enter more text ... ); // disable short beep when screen is filled
ioctl(1 ...

... TV behaviour at the same time as emulating the Spectrum.
screen memory, which took time and slowed your ... approach. When you double-buffer, you render one screen, then stop and ... of the screen where the monitor switches from one buffer to the ...

... but without using an offscreen buffer. It synchronises to the ... it can update the screen memory right after that ... bit of the screen has been drawn by ... behaviour at the same time as emulating the Spectrum.< ... the bottom of the screen is actually redrawn at ...

... scroll a background scenic buffer 1/3 screen high and copy it ... use a background buffer. It redraws the screen every time from pre-shifted ... than scrolling and copying a buffer, but if you look ... myself to redraw the entire screen from simple blocks, scrolling at ...

... the full height of the screen.

Technically it' ... it requires an extra attribute buffer in high memory (for speed ... another 20% of the processing time, so most multicolour engines will ... use this time to draw a limited ...