... , so the loaded game (including screen$) falls well short of 65535 ... enables me to use every single byte of memory, even to the point ... of having code and data immediately following the screen ...

... the loaded game (including screen$) falls well short of ... me to use every single byte of memory, even to the ... point of having code and data immediately following the screen ... large map that needs to be on a word ... so I'd have to decide whether 256 bytes ...

... , rectangle that responds
to the movement keys). In this ... If
you move the cursor on this screen (This is a ... orders for that particular unit to move
to the new location. It ... units - they need
to be ordered to the same location. Supply ...

... the SCREEN$ from RAM disk is very quick but not as fast ... 6K you could load it to? then LDIR it to screen?

... 's because it is faster to do it in assembly than ... can see is the SCREEN$ image loading in to screen memory. This happens very ... is noticable i.e. the screen does not just appear (if ...

... and have managed to get close to a full-screen update in ... items you have to collect move with the back screen, which is scrolling ... larger areas of the screen. Also to use simpler landscapes with ... sprite functions that can clip to screen edges so the play area ...

... ;598781]Nice!!! How to pass the first screen? I collected all items ... will appear on screen. Touch it and you will move to the next ...

... game before letting them move on; some sort of ... allow the player to progress to the next load ... that allows the player to return to key hub locations later ... by having dropped items move to the hub area once ... or you need enough memory to hold the whole thing ...

... game before letting them move on; some sort of ... allow the player to progress to the next load ... that allows the player to return to key hub locations later ... by having dropped items move to the hub area once ... or you need enough memory to hold the whole thing ...

... an array, then print it to screen and then use the same ... array to check for "legal" moves ... for instance, if you want to move left, and there is a ... the way, using attr or screen$ is ok but slow. ... is updated each time a move is taken, then in ...

... 's health bar to literally flash up on the screen for about ... was huge (almost half the screen) and lost it when there ... is going as you'll move to one side but you need ... found it easier to move the camera slightly to one side to see the ...

... /> Using a separate DEFADD area to hold single letter variables outside ... of caveats to this technique when using LET to copy to a DEFADD ... .

To avoid this problem, to do for example:
memory move. If I use a different address to store the ...

... think BB is referring to his VERY clever Memory Move Routine that I ... I made:

[B]Memory Move Routine[/B]

This ... this memory (alternative memory locations can be used).

To be able to ...

... wrap back to zero. The linear buffer in memory wraps ... in a circle, the end being attached to ... of 'm = m + 1' to move to the next byte of the ... '' Obviously an AND is preferable to a division.

to 'end-1' to demarcate a window ...

... 9 bytes used by the Memory Move routine can be stored in ... different memory locations. I created a 9 ... set DEFADD to point to this memory location when I want to move memory around (in ...

... which used loops or extraneous memory due to the extra resource requirements ... those which used operations particular to HL, both because that restricted ... HL anyway! ("Thou'rt mad to say it! Is not thy ... file and a 6912 byte SCREEN$ and it worked fine. Thanks ...

...
From memory, you cannot have I pointing to an area in ... contended memory even when ... the ULA fails to read from contended memory, leading to the odd ... visual effect as it cannot read the screen ...

... the Spectrum which when you to play an audio cassette in ... enabled the loading border stripes 'move to the music' or anything like ... years ago when I used to play audio cassettes in my ... together while the self-test screen is showing.

... code it's very difficult to find room for improvement. ... function you could squeeze table to screen memory) but keeping information about ... bytes and then you fallback to tedious searching (thats why ... comparison.

Have to say i never implemented it ...

... course you are trying to save memory by cutting down ... />
- Simple flip screen map,
- Map is monochrome ... compressed colour data overlaid to screen, depending upon the screen number.
... , which is unpacked between each screen flip.

...

... the layout and when ready move to the next step.

screen, even the font used when ... . A 128K Spectrum linked to a decent screen, printer, keyboard and mass ...

... guess Blitzen appearing on that screen was just a co-incidence ... not the last one then move to next island

else ... searching I think I concluded to myself that although RB said ... protection loader and then sent to the duplicators) and perhaps an ...

... loops, then dumping it to screen using the POP/PUSH method ... and there would need to be 8 pre-shifted copies ... of each tile, not to mention the sprites. It' ... s unlikely to work in 48K.[/QUOTE]
fast with 16-way scrolling, ...

... re trying to page the other screen into the top of memory for ... 're then limited to a raster-chasing screen update so you ...
It is more memory efficient to store pre-shifted blocks, so ... just copy data to different rows of the screen. Horizontal scrolling, ...

... space somewhere, you need to first move it to the origin, then ... rotate it, then move it back. ... human's viewing distance to the TV screen. If you set ... real distance / distance of human to screen.

The perspective ...

... how the nasties move it's fairly easy to avoid them. It ... more difficult to blunder into one as you move to another screen (like with ... easy to solve - you can press fire anywhere on a screen and ...

... less memory? Surely if Commodore's intention was to provide ... with less memory because it was meant to be a ... have literally 16k of memory? If so, then ... large percentage of the memory, leaving little space for ... of that space assigned to screen and colour RAM at ...

... at the time. To load Spectrum data at ... the Spectrum went from "toy" to "computer".

... not disagree with) but to see the Spectrum have ... Memory Move Routine in BASIC. I still find it hard to ... believe you can move large chunks of memory around ...

... eliminate the need to think about memory as we do ... of memory the program needs to avoid having to constantly hunt to disk ... you switch memory banks to make that jump, you have to make ... need to call the print_string function to print a string to screen. The ...

... 's BASIC block transfer and move it yourself and save yourself ... the quick and dirty solution to the lack of an RTC ... would be to read some kind of audio ... /> I do use BB's Memory Move routine but I was not ...