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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…
I have the screen address (say 0,0 i.e ... /> Can anyone show me the fastest assembly code to achieve this ... .
This is my fastest code (4433 TStates to copy ... -
Convert x,y to Attribute Address in AssemblyWhat is the fastest way, given x,y (in hl) to return the attribute address?
What is the fastest way, given x,y (in hl) to return the attribute address? -
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 ... />
Assuming HL holds the address of the Graphic Block, and ... DE holds the screen address, does anyone have an example ... -
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 ... give a full 16-bit address of each UDG, allowing for ... -
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 -
ANNOUNCEMENT: My website and email-address1. My website has closed. Now that I have submitted my PhD thesis and left university, my website [url="http://www.cs.man.ac.uk/~broada/"]http://www…
...
2. My email-address has changed.
I ... use of my university email-address, [email="broada@cs.man ... not send anything to this address from now on. If ... ever put my email-address on a Web-page, ...
My home email-address is now on my (old ... -
need help in codingI have an address in HL, which I must save in memory buffer (for example at address buff1) with shift (for example taken from memory address shft1). …
I have an address in HL, which I must ... memory buffer (for example at address buff1) with shift (for example ... taken from memory address shft1). What is the fastest and/or easiest ... -
Anyone know the address mappings...of the hardware resources on the speccy; From the screen display address range to all the hardware control registers. etc. Where can I get access t…
of the hardware resources on the speccy;
From the screen display address range to all the hardware control registers. etc.
Where can I get access to this information?
Many thanks, -
UnrealSpeccy e-mail address?Anybody know author's e-mail address? Start tape, then press any key. (Miodrag)
Anybody know author's e-mail address?
Start tape, then press any key. (Miodrag) -
Map to screen address problemCan anyone help me out with what I guess is a screen address calculation problem. I need to calculate the screen address of a tile based on a number…
... I guess is a screen address calculation problem.
I ... need to calculate the screen address of a tile based on ... I have tile 0 its address would be 16384, tile 1 ... -
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 ... -
Address of Garry Lancaster neededI tried with this: [email="plus3e@zxplus3e.plus.com"]plus3e@zxplus3e.plus.com[/email] , after 5 days get message that can't deliver message. Anybody …
I tried with this: [email="plus3e@zxplus3e.plus.com"]plus3e@zxplus3e.plus.com[/email]
, after 5 days get message that can't deliver message. Anybody knows some working e-mail address? -
What should be the base address to set for my codeHi, I am new here and I have a simple question but one which I have not found an answer to. When I am developming my programs what should I set th…
... should I set the base address for my code to (i ... start it at the highest address that it could possible be ... -
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?Address Manager by OCP[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0007888&loadpics=3&model=spectrum"]Address Manager[/URL] by OCP seems to be released in 1983, …
[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0007888&loadpics=3&model=spectrum"]Address Manager[/URL] by OCP seems to be released in 1983, as opposed to 1985 as per Info Seek.
The cassette States [c] 1983
cheersFastest 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 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…
... have some: What's the fastest way to clear a screen ... as well and find the fastest solution for each code size ...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?
...some debugger in emulators that is able to brakpoint when a mem address is accessed ?Is there a debugger (disassembler) available in some emulator that is able to stop (breakpoint) when a particular memory address is accessed ? For e…
... (breakpoint) when a particular memory address is accessed ?
For ... I want to stop when address #5aff is about to be ... is responsible for that memory address write.
Hm ?
IDE emulation and delaysA few months ago I was told that IDE emulation, while perfectly usable, isn't accurate enough to compare it to IDE access on real hardware. On some e…
... from the LBA or CHS address, plus the drive spin-up ... ). For this last term, the fastest discs are those based on ... that converts a logical sector address to the physical (internal) sector ... controller has to perform an address coordinate translation which it's ...Calculating the address of a pixel?Hi Folks, Is there an easy/quick way of calculating the memory address of a pixel? So for example, if I wanted to "plot" pixel at screen coordinate…
... way of calculating the memory address of a pixel? So for ...New address for the Preservation Team ShopThe shop is now at a new address [url]https://ptshop.co.uk[/url] NOTE - It is https, NOT http and you DON'T put www in the address. Enjoy - Update…
The shop is now at a new address
[url]https://ptshop.co.uk[/url]
NOTE - It is https, NOT http and you DON'T put www in the address.
Enjoy - Updates will be happening shortlyTile based graphics and scrolling thingy...Here's my best attempt so far at a tile based rendering and scrolling routine. It draws in 22 8*8 graphics tiles along the top of the screen (junk i…
... br />
It's the fastest, if not perhaps the most ... /> next_tile_line nop ; 2 bytes for address of next tle line
address 10
pop hl ; ... POP source address. 10
dec ...What memory address?If you poke 96 and 236 what would the memory address be? I've forgot how to work it out!!! :-?
If you poke 96 and 236 what would the memory address be?
I've forgot how to work it out!!! :-?Display file addressHi Folks, Could someone please help me. I seem to recall that the address of a given byte of the Spectrum's display file breaks down as row, column…
... seem to recall that the address of a given byte of ...Biturbo 2 turbo loader now available for general useAfter tinkering with its code, extracted from a TZX of one of the infamous Italian S.I.P.E. "tape magazines" which published hacked games for the Spe…
... />
The routine starts at address 65338 and in order to ... , which respectively hold the starting address and length of the M ... loader is one of the fastest and most reliable I ever ...Get starting address of gameHi, Anyone know how to get the starting address of a game? I've looked at the TZX format and couldn't see anything obvious. I'd like to load the…
... how to get the starting address of a game? I've ...
