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faster bitwise operators?well, sinclair basic lacks bitwise operators and I searched "basic forum" with keyword "bitwise" and only 3 thread came up. So the forum also lacks b…
... should be added. Basic is floating point, therefore we need to differentiate ... -
The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... . There's also an IEEE floating point library out there implemented in ... -
An idea for a possible(?) new interfaceDue to the Spectrum's processor speed and the way the ULA works, there are a couple things (among others) that are difficult to do: -Gigascreen or a…
... and intercept calls to the floating-point routine then pass off the ... -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... functions instead of the slower floating-point operations.
The very ... -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... an integer instead of a floating point variable then use the integer ... -
Speccy games programmingI've got a question. Where games written in pure machine code or was it a level higher with Assembly language being the choice? I always thought it…
... functions instead of the slower floating-point operations.[/QUOTE]
The ... -
Req' Help with Random numbersHello all, im new to the forum, i hope im putting this in the right place ... I would like to ask a question in the hope someone will be able to as…
... /> [*] once the number gets large, floating point rounding errors creep in
Softek Super C compiler royaltiesPCW on 26th of May 1983 says that Softek wanted royalties from Silversoft for using their compiler. Does anyone know if anything happened?
... it anyway.. one is a floating point compiler.. i.e. 43.432 ...Windows 7 Installation issuesNeed some more help chaps as I'm totally bloody snookered on this one... My PC spec is this :- Intel Core i7 2.66GHz CPU. nVidia GTX-260 1792Mb Gai…
... from common texture formats to floating point). They can be used for ...question about generating tap files with z88dkIs there any way to modify the output of appmake without recompiling the appmake binary. The tap file it outputs does a [CODE]randomize usr var "3276…
[QUOTE=guesser;411586]VAL sorry, yes.
Five bytes? didn't know that, why on earth does it do that then?[/QUOTE]
ah, because it's floating point right?
one exponent and four mantissa bytes?question about generating tap files with z88dkIs there any way to modify the output of appmake without recompiling the appmake binary. The tap file it outputs does a [CODE]randomize usr var "3276…
... you to convert them to floating point. The five-byte form for ...question about generating tap files with z88dkIs there any way to modify the output of appmake without recompiling the appmake binary. The tap file it outputs does a [CODE]randomize usr var "3276…
... you to convert them to floating point. The five-byte form for ...Graphics problemHi guys. Finally got a REAL zx spectrum, cost ?20 from a friend. When i draw plots and circles, it takes time to do it, but how do i do it instantly…
... endpoint is found using a floating point computation that includes multiplies and ...OptimisationI've participated in several thread hijacks about this, so perhaps I should open a new thread. Et VIOLA! Here it is! Knuth, who was earlier reporte…
... .
In C# the floating point routines don't take advantage ...Obtuse One-LinerFollowing a request in another thread, this could almost be crammed into one line. It uses a simple ON ERR CONTINUE to give a continuous display. [c…
[QUOTE=bigjon;440892]Ooh, we haven't had any optimisation in BASIC for ages! I'll kick off with the obvious:
[/QUOTE]
Nice one bigjon! I once said I had retired from one-liners, which I realise now was very foolish. In fact I was just busy at ...Minor Update to Gasman's Midi2BEEPDon't know whether this is worthy an announcement, but for those of you who enjoyed Gasman's midi2BEEP utility, a new variant has been made called mi…
... and error, knowing nothing about floating point calculations from the ZX rom ...Minor Update to Gasman's Midi2BEEPDon't know whether this is worthy an announcement, but for those of you who enjoyed Gasman's midi2BEEP utility, a new variant has been made called mi…
... )
RST $28 ; use the floating point calculator
DEFB $A2; stk_half ... I was going to represent floating point numbers without it?!!!!!...
Resolving USR entry point into a data + m/code block?Well, I had another look at that Merlin listing and decided that blowing up the faint page made it possible to read everything (with a struggle). How…
Beepola v1.01A new version of Beepoa, v1.01, is now available for download from:- [URL]http://freestuff.grok.co.uk/beepola/Beepola_v1.01.00.zip[/URL] (650KiB) …
... /> RST $28 ; use the floating point calculator
DEFB $A1; ... /> RST $28 ; use the floating point calculator
DEFB $E3; Recall_M3 ... /> RST $28 ; use the floating point calculator
DEFB $03; subtract ...problem with DEFADD storageI have a function: DEF FN t(t$,m,t)=USR t which is called with, for an example: LET bc=FN t("t$()",mcworkspace,mcputt) where, at the time: mcworkspac…
907F580000 is 65368 in floating-point notation. The way this works ... it's ended up in floating point form in your program - presumably ... had to do a floating point calculation at some point to arrive at ...Optimize this assembly?Aiming for Variable*192 -> HL In the first case, I came up with the obvious method - *128 +*64: [code] ld a, (variable) ;13 ld h,0 ; 7 ld l,…
... sure).
I got floating point square root to be about ...Seeking alternatives to DATA statementsAnyone know of any memory saving alternatives to storing a list of numbers, other than using DATA statements or poking data into addresses?... Im ti…
... the CHR$(14)+5 byte floating point number marker to be generated ...Seeking alternatives to DATA statementsAnyone know of any memory saving alternatives to storing a list of numbers, other than using DATA statements or poking data into addresses?... Im ti…
... both in ASCII and in floating point format (and ASCII representation can ... be longer than floating point, as durations calculated by mid2beeper ...Developing on Linux (Ubuntu 10.04)Ok, so I decided to install Ubuntu as my main OS, but keep XP as a bootable partition just in case I err mess up Ubuntu, :) I also have XP VM in Virt…
... 've been forced to use floating point numbers in emulation instead of ...BITWISE operators...Hi Folks, Another question - is there a way (fast) to do bitwise operations in Sinclair BASIC? Many thanks Paddy
... use a lower level of floating point precision (Sinclair BASIC uses 40 ...SpecOS progressOk, As you can all see, I'm back - and I've been working away on SpecOS for a while now. There's a few videos, which you can see on my blog: [url]h…
... FP instructions to work with floating point variables?
How's ...storing level datahi everyone im using arrays to store level data. its not working. just to set up the walls takes an array of size 92*2 is there a better way?
... stored as 5 bytes in floating point.
If your numeric ...
