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Fastest way to clear a screen.We haven't had an optimizing fun for some time, so let's have some: What's the fastest way to clear a screen (i.e., filling the 6912 bytes at 16384 w…
... some: What's the fastest way to clear a screen (i.e ... as well and find the fastest solution for each code size ... -
Optimisation Needed! Is this the Fastest way to copy bytes from screen and back again?I have the screen address (say 0,0 i.e 16384) I want to copy 4 bytes wide by 32 bytes high from the screen to an area of memory. I then want to cop…
... /> Can anyone show me the fastest assembly code to achieve this ... .
This is my fastest code (4433 TStates to copy ... /> call copy2store
; Clear the screen to show we ... -
Fast way to clear the screen ?So I was wondering fastest way to clear the screen. I've tried this and this works but is it better than CLS ? LD HL,16384 LD BC, 6144 Loop…
So I was wondering fastest way to clear the screen.
I ... -
fastest emulationhi there as i got a hold of an old 486 laptop, i need to know: which is the fastest dos emulator? does any emulator uses the pc speaker for sound? …
hi there
as i got a hold of an old 486 laptop, i need to know:
which is the fastest dos emulator?
does any emulator uses the pc speaker for sound?
doron -
fastest emulationhi there as i got a hold of an old 486 laptop, i need to know: which is the fastest dos emulator? does any emulator uses the pc speaker for sound? …
hi there
as i got a hold of an old 486 laptop, i need to know:
which is the fastest dos emulator?
does any emulator uses the pc speaker for sound?
doron -
Fastest way to write something to screen$Hi, I just got pasmo.exe and start playing with attr scrolling, well, not scrolling, just write different values to a block and see if I can introdu…
... heard that it was the fastest way to update the screen ... -
anyone got a nice clear pic of a Speccy keyboard?Im making a spectrum keyboard keyword reference widget for the OS X dashboard, basicly at the mo it's just gonna be a picture of a spectrum keyboard …
... having trouble finding a nice clear, reasonably high res picture to ... -
CLEAR does not RESTORE the DATA pointer??According to the Spectrum manual, one of the things that a CLEAR command does RESTORE the DATA pointer. Either it doesn't actually do this, or some…
... of the things that a CLEAR command does RESTORE the DATA ... program:
[CODE]
10 CLEAR 32767
20 READ a ... first command it sees is CLEAR 32767, which should do a ... isn't restored by the CLEAR command. -
How do I clear only a specific area of a screen (quickly) in machine code ?I'm looking for a machine code routine which will clear the first 20 rows of the Spectrum's display (or any number of rows or columns) . I have found…
... code routine which will
clear the first 20 rows of ... in memory), which can
clear the top third, two thirds ... F
The 'thirds' clear method is as follows :
This runs extremely quickly, the clear appears to
happen instantaneoulsy ... -
Fastest Baud Rate On A Loader ?Following on (sort of!) from the thread about the best loading.... Which game(s) had the fastest (highest baud rate) ? I seem to remember a couple …
Fastest loaderWhat was the fastest speed loader developed and could you name a game using it?
What was the fastest speed loader developed and could you name a game using it?Fastest way to decide which pixel to paint in order to draw a straight line(after I saw "Bresenhams circle algorithm" in development forum, I decided to ask this in here) in fact, I want to accelerate a car towards a direct…
... iteration. But what is the fastest method to do this in ...Fastest Block Drawing Code?Following on from my scrolling thread [URL="http://www.worldofspectrum.org/forums/showthread.php?p=351304#post351304"](http://www.worldofspectrum.org…
... I am looking for the fastest function to draw a 4x4 ...Fastest loading cassette game?What was the fastest loading cassette game? Obviously size vs speed has to be compared, but I seem to recall a car racing game which seemed to load …
What was the fastest loading cassette game?
...Quick question about CLEAR...Hi Folks, I should know the answer to this but I wanted to make sure I understand totally. If I execute a CLEAR then I know it lowers RAMTOP to the…
... totally. If I execute a CLEAR then I know it lowers ... +1 e.g.
CLEAR 60000
means the ....tapein load crashes if no CLEAR performed first(!)Hi Guys, Can anyone explain the following as it has be stumped: I came across an unexpected crash today when loading in a 16K block of code at 8000…
... the following:
[code] 10 CLEAR 32767
20 LOAD "" CODE ... don't bother performing the CLEAR during development as I keep ... well clear of RAMTOP.
However ... />
If I do the CLEAR 32767 before the LOAD "" CODE ...Fastest redraw of screen from UDGsHere's a question for everyone, to generate a bit of code to be used in games: On a standard 48K Spectrum, what's the fastest way to redraw the scre…
... 48K Spectrum, what's the fastest way to redraw the screen ...Clear the screen from assemblerI want to clear the screen before I draw my graphic elements on it. Speed is not important so I was thinking of using the rom CLS option if that is p…
I want to clear the screen before I draw my graphic elements on it. Speed is not important so I was thinking of using the rom CLS option if that is possible. Can anyone advise on how to call this command or some similar routine to clear the screen?Clear command in z80Hi, How would I replicate what the basic clear command does in z80? Do I need to change the stack pointer as well as setting ramtop (23730)? If I se…
... I replicate what the basic clear command does in z80? Do ... point instead and do a clear command and then randomize back ...Tape Clear Out!Right, I'm having a clear out of all the tapes I don't want, I'll upload some cover tapes and big box lists in a bit, but to kick things off, here is…
Right, I'm having a clear out of all the tapes ...clear a windowed area of the screenHi everyone! Ain't been on here for donkeys, but have recently started messing around with a little game. I'm looking for ideas/opinions on the bes…
... on the best way to clear a window on the screen ... .
I want to clear a 25x24 char section of ...Fastest way of reading from EAR portI'm trying to work out the fastest way of reading data from the EAR port and assembling the bits into a byte. I came up with this code: IN A, (C) ; …
... trying to work out the fastest way of reading data from ...Fastest emulator screen renderingHi, I'm developing an algorithm for fast emulator screen rendering and here is what I came up with. 1) Use 4bpp indexed image format as target …
... PixelFormatPARGB format might be the fastest to render regardless of the ...Fastest third person racing/shooter game?What game do you consider as fastest on ZX Spectrum? I'm thinking about third person racing (like Outrun, Supertrux, Wec Le Mans) or shooter (Mig-…
ANN: SP1 for Z88DK (aka splib3, Sprite Pack v3.0)Well it's finally arrived, after a month of "a few days from now" release deadlines. SP1 is the lastest version of splib, a flicker-free software sp…
... types are by far the fastest -- this is because these draw ... flag so that SP1 will clear the pixel buffer before this ...My little first set of routines.Hi all, I just coded a little set of routines just to draw a screen on video mem and a fade out. I could have just copied the screen rendering rout…
... posted here is not the fastest one possible; it is possible ... /> ccf ;set & complement carry = clear carry
sbc hl,bc ...MP3 or WaveWhich sound format is better quality/bitrate for loading Spectrum games from an audio CD? MP3 or Wave?
... 40% loss, flanks not as clear/slightly compressed). While it might ... kbps too, even for the fastest fastloader you can find. And ...VIC 20 emulation on the SpectrumI'm sure most people are aware of the my attempt at bringing the full Commodore experience to Sinclair users with the "Twenty Commodes" program. It e…
... right though, as wouldn't clear bits in the memory value ... think your flagsaving is the fastest so I will use this ...
