-
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…
... is, what's the fastast way to fill a block of ... heard that it was the fastest way to update the screen. I ... -
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 (i ... as well and find the fastest solution for each code size ... -
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 the ... else? Also is there a way to speed this up even ... -
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 ... -
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 ... -
Best way to store vector images in Sinclair BASIC?Let's forget for a moment that Sinclair BASIC is slow. If I have a picture made entirely of vector images, what would be the best way to store that d…
Best way for programming in BASIC?New to the ZX Spectrum, and fixing up ccowley's vbSpec emulator. Aside from that, I would also like to try programming a game or two in BASIC. What's…
New to the ZX Spectrum, and fixing up ccowley's vbSpec emulator. Aside from that, I would also like to try programming a game or two in BASIC. What's the fastest way to program in BASIC in a Windows environment?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 from ...Fastest way to delete a folder?Sometimes ccleaner is enough on some computers I work on, sometimes shift+delete while using Windows or Ubuntu is enough, sometimes rd folder /s /q (…
... 'm looking for is a way to delete a folder instantly ...Another way to add audio input on a +2 - No more low level sound problem !Hi all, Last week, with 3 friends, we participated to a modelism / games / hobbies meeting, and we made a retro computing stand... (big succes, I'll…
... /> I wanted to have a fastest way of finding/loading games on ... (I hope) that proceeding that way, the ULA is protected.
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.
< ...Short Z80 QuizQ1) Which program gives different result ? A) XOR A ADD A,A B) XOR A ADC A,A C) SCF ADD A,A D) SCF ADC A,A Q2) What is the equivalent of NEG …
FAST PIXEL DRAWINGI'm looking for the fastest way to put a pixel to the screen (on spectrum ofcoz:). Here is my own procedure (written in PASMO). But I don't how do it…
I'm looking for the fastest way to put a pixel to ...Fast division in machine codeHi Does anyone know what is the fastest way to divide a 16 bit number by 24 in machine code. Derek [ This Message was edited by: dmsmith on 2004-0…
Hi
Does anyone know what is the fastest way to divide a 16 bit number by 24 in machine code.
Derek
[ This Message was edited by: dmsmith on 2004-09-24 20:04 ]Quickest Assembly to find if point in rectangleWhat is the fastest way to see if a point is in a rectangle. e.g rectangle is 10,10 100,10 100,40 10,40 how do i know if a point (e.g 20,20) is in…
What is the fastest way to see if a point is in a rectangle.
e.g rectangle is 10,10 100,10 100,40 10,40
how do i know if a point (e.g 20,20) is in the rectangle, as fast as possible in assemblyConvert 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?Where do I begin to build an emulatorHi I would like to build a Spectrum emulator from scratch, the reason? well I'm curious, to see if I can =) I've successfully ported Pocketclive to X…
... know, it's not the fastest way to do it, but I ...Graphics in Basic??What is the fastest way to draw high rez graphics in Basic. Andrew.
What is the fastest way to draw high rez graphics in Basic.
Andrew.Sprites...What is fastest way for drawing masked sprites at any screen position without using preshifted data ? I want to use it for isometric view game... li…
What is fastest way for drawing masked sprites at ...Fastest way to mirror a byte?I.E. turning 01100000 into 00000110, in assembly. I'm trying but I suck at stuff with rotation and the carry bit. Any pointers?
I.E. turning 01100000 into 00000110, in assembly. I'm trying but I suck at stuff with rotation and the carry bit. Any pointers?assembly optimization: times tenDecimal numbers are not computer friendly :) Anyway, short of saying "sod it - I'll multiply by 8" - and another part of the program does indeed div…
... by bit shifting....
Fastest way to do HL = HL x ...Scrolling by 2 pixelsWhat is the fastest way of scrolling a Spectrum screen line by 2 pixels left or right? When thinking about it I've come to this simple solution: [C…
What is the fastest way of scrolling a Spectrum screen ...Code to test if a rectangle is in a rectangle[SIZE=3][FONT=Calibri]I am looking to write some code that will check if a rectangular shape is outside or overlapping a second rectangle. If the sma…
... this seem the most efficient / fastest way to do this kind of ...Tinkering with DMASo, some afternoon tinkering... [img]http://photo.alioth.net/tmp/dma_small.jpg[/img] The purpose of this all is to see what's possible using the Xi…
... .
On the Z80, the fastest way is using PUSH HL, which ...The Terminators are coming! A computer learns to play Manic Miner!A computer has deduced the fastest way to complete various Manic Miner levels, and you can see it demonstrating the routes on Andy Noble's superb PC …
A computer has deduced the fastest way to complete various Manic Miner ...Sort 2 byte words (x, y) on ypos, also question about swap (DE), (HL)Well that was a lot of debugging ;) But if you want a routine which takes an array of 16 byte words x, y and then sort them on y (ignoring x), I'm…
... />
That seems to be fastest way to do that I could ... maybe there's a better way?
Sorting routines, HL ...ScrollingBit of a daft topic but anyway... Which game had the best scrolling? I would have to volunteer Commando and its silky-smooth scrolling. A particula…
Isn't the fastest way having the sprites pre-rotated in memory before shoving them on screen as quick as possible?
Uses loads of memory but there shouldn't be much speed difference vertically or horizontally this way?Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…
Fastest way is to store sprites pre-scrolled and bang em on screen quick as possible with PUSHs. Takes up loads of memory, but ya can't have everything...Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…
... .
In my opinion the fastest way to do a one pixel ... 2 times.
One way of doing it is something ...
