-
Advice about drawing sprites on spectrum I've coded sprite drawing before and know all the theory about masks from a long time ago (microhobby rules! ;), but since I did it on Amiga with ha…
... to screen.
[/quote]
This will be fastest. ... algorithm draws directly on screen. I eliminated flicker by ... br /> [quote]
Drawing to screen:
1. Work directly ... issues and allow the fastest screen update possible, giving you ... -
Which emulator do you use?Note it's not a poll about which emulator you think is best*. Simply which emulator you tend to use. You can vote for multiple emulators if you, like…
... scroll the POST screen. Clear the screen. Draw the Windows loading screen.
Screen of Death, or a screen full of random ... -
Please test my Manic Miner remake!Thanks to everyone who downloaded my sneak preview of Manic Miner Turbo. Thanks especially to na_th_an who is the only person so far to give feedback…
... need to redraw whole screen at level startup, there ... not ready to update screen, just play tune and ... ; we are ready to update screen. clear the flag
xor a ... need to redraw the whole screen, do it
... de, #4000 ; address of screen
ld bc, 32*8 ... -
Load! Screen$ questionI've got a basic program listing in BASIN which among other things recalls a screen via Load! (I've Save!'ed a screen into memory before hand). How d…
... I clear as to whether you want to save the screen+ ... method for saving the current screen & program as one ... GO SUB 20: SAVE !"screen"SCREEN$ :
CLEAR stkend+300: GO SUB 20 ... ramtop: PAUSE 0:
LOAD !"screen"SCREEN$ : POKE chans,111:
... -
I am a simple man....a layman if you will!...but I had a Spectrum when I was 12 years old that I loved more than was healthy! It gave me a love of computers which remains to this day and I …
... . turn off accelaration. load the screen to test if it works ... get back to main emulation screen, clear OK message and type
CLS:LOAD"" SCREEN$:PAUSE 0
then press ... browser window.
5.Your screen will be reloaded and stay ... -
PLOT and DRAW in machine codeHow do you go about it? If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it? I wouldnt k…
... the first routine - a block clear screen, and used the principles to ... draw routines here, though - that screen clear was hideously inefficient and slow ... followed by OR A to clear the carry flag - the latter ... 't needed, since it's clear already)
(and yes, ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... stack pointer
call cl_all ; clear main screen
ld b, (iy ... + _vdu_flag) ; signal lower screen
call cl_line ; clear lower screen
res 0 ... /> set 0, (iy + _flags2) ; signal screen clear
ld de, (s_top) ; automatic ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... (hl) ; signal no lower screen clear after key
set 0 ... (iy + _flags2) ; signal screen is clear
call cl_chan ; house ... -
SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…
... hl, de ; for each screen third
dec a ... /> jp cl_scr_x ; text mode screen clear
defs ... -
Graphics questionHello. I was wondering, does anybody here know of a method to display a large (as in, the better part of the screen) bitmap/raster image using ZX Sp…
... making use of "SAVE-ing SCREEN$ & BASIC as one file ... : GO SUB 20: SAVE !"screen"SCREEN$ :
CLEAR stkend+300: GO SUB 20 ... ramtop: PAUSE 0:
LOAD !"screen"SCREEN$ : POKE chans,111:
SAVE ... -
Block RoutineHi Folks, I want to draw a block on the screen dependent on providing the X,Y,W,H values. I came up with the following: [CODE]100 LET l$=" …
... a filled rectangle on the screen. Whilst reading the "Step-by ... I came across the partical screen clear routine.
Here is ... but alas it does not clear the attributes. I have disassembled ... -
New NIRVANA+ feature: wide tiles!The size of each bicolor tile in [b]NIRVANA+[/b] is 2x2 characters (16x16 pixels), like this: [img]http://i60.tinypic.com/mw358y.png[/img] [i]* M…
... as a kind of magic screen clear routine* that just happens to ... -
Advanced forum searching is now available!!!i don't think anyone has mentioned (or noticed) it already, but WoS forum searches work [b]much better[/b] now, and after the first search it offers …
..You should know - "leespoons" is in the top keyword search list on the advanced search page...
Along with "fastest screen routine", "stack", and... erm... "anal"... :-O -
Advanced forum searching is now available!!!i don't think anyone has mentioned (or noticed) it already, but WoS forum searches work [b]much better[/b] now, and after the first search it offers …
... page...
Along with "fastest screen routine", "stack", and... erm... "anal ... ? Can't even see that screen, although I did do a ... -
Drawing LinesHas anyone got any experience of coding a Bresenham line drawing algorithm on the Speccy? I've had a go and I find the algorithm has quite a few s…
... .
[b]Lethargeek[/b] - the screen clear followed by the copy is ... for the bottom of the screen - now to do the other ... -
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., filling ... 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 ... my fastest code (4433 TStates to copy from screen to ... />
; Clear the screen to show we are bringing ... ; Copy from store to the screen
ld hl ... -
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've ... -
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…
... it was the fastest way to update the screen. I know that ... -
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…
...
clear the top third, two thirds or the whole screen
The 'thirds' clear method is as follows :
This runs extremely quickly, the clear appears to
happen instantaneoulsy ... , due to the way the screen
pixels are stored in ... -
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…
... , what's the fastest way to redraw the screen from UDGs? The ... machine with a character-mapped screen and render that as fast ... drawn, to try to minimise screen tearing.
The UDGs ... is larger than the rendered screen and/or wraps-round horizontally ... -
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 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…
... best way to clear a window on the screen RAM.
clear a 25x24 char section of the screen.
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 …
... an algorithm for fast emulator screen rendering and here is ... algorithm.[code]byte=next screen byte // get next screen byte
... offsets from 16384 for each screen line as[code]uint16_t ... PixelFormatPARGB format might be the fastest to render regardless of ...Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…
... ,0 ;number of columns to clear
XOR A
CLEARLP LD L,E ;clear each column
LD (DE ... the first column
;HL=screen addr.
;DE=address of ... />
CLEARLP2 LD L,E ;clear each column
LD (DE ...ZXSpin in full-screen mode :-(How do I get ZXSpin 0.622 to be crystal clear in full-screen mode? It's all fuzzy and lint-y. [SIZE="1"](Anyone able to lend me a lint-roller?)[/SI…
How do I get ZXSpin 0.622 to be crystal clear in full-screen mode? It's all fuzzy and lint-y. [SIZE="1"](Anyone able to lend me a lint-roller?)[/SIZE]"This is a screensaver that do not save the screen"Which was a quote from the first release of SCREEN$ back in April 2001. Little did he know that, against the best judgement of myself and my peers, I…
... from the first release of SCREEN$ back in April 2001. ... ]http://paul.dunn.googlepages.com/SCREEN.zip[/url]
... words on configuration:
SCREEN$ has possibly the nicest Speccy ... mind that D3D will be fastest. DDraw cannot do hardware assisted ...
