-
How much space does a number take?Hi Folks, Could someone please remind me how much memory a number takes up in a BASIC listing. For example, if you had: [CODE]100 LET a=3000[/CODE…
... /> 5 bytes to store the floating point number
4 bytes to ... -
SpecBAS 0.754 Now available!Hi all - Due to overwhelming demand from half of my userbase (That's ASH-II to you lot), BEEP has been added! It's not just any old BEEP though - y…
... SPRITE ERASE
Fixed(?) a floating point error in sprite movement, with ... -
Unravelling the Spectrum Floating Point Number formatHi Guys, In my head I pretty much understand how the Spectrum's 5 byte FP number format works. The first byte is the signed exponent and the follow…
Hi Guys,
In my head I pretty much understand how the Spectrum's 5 byte FP number format works. The first byte is the signed exponent and the following four bytes are the signed mantissa where the MSB is the the +/- sign of the number which is ... -
Raising to the powerA curiosity of ZX Basic I found yesterday is that you can't do this: [code] 10 LET x=-3 20 LET y=x^2 [/code] While you can for example do LET y=-3^…
... 're raising to as a floating point number and not an integer ... -
What to do when INT doesn't work?Due to the limitations of the Spectrum's floating point number format, two slightly different large numbers, or two slightly different small fraction…
... limitations of the Spectrum's floating point number format, two slightly different ... -
GEDit syntax highlighting for Boriel's ZX BasicHi! I just tailored this syntax highlighting code and would like to share with he community. Suggestions are always welcome, though the file works w…
SpecBAS 0.844 releasedHi all - it's been a while... Having some unexpected extra time off work, I've been able to get some work done on SpecBAS and it's now a bit more …
... correctly before launching
Erroneous "Floating Point Error" crashes turned out to ...Tau Day<br>By popular demand (well, demand of one, which is highly popular in the sorts of things I do :D ), here is a small celebration of tau day, June 28…
... using Math48, a 48-bit floating point package written by Anders Hjelsberg ... -in using Steven Vicker's floating point implementation:
10 LET ...An odd floating point error. Avoid!While working on the revival of my old game ([url="http://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992…
While working on the revival of my old game ([url="http://www.worldofspectrum.org/forums/discussion/53207/new-game-2016-revival-a-yankee-in-iraq-1992"]here[/url]), I stumbled across this odd BASIC behavior:
[code]10 LET a=2
20 LET a=a ...Random Numbers, USR Return Values & Timing BASICI've been trying out Jon Ritman's random number routine, published in Your Sinclair Aug'87. Apart from a timing comparison I also did a frequency ana…
... converts the small integer into floating point form, thus ensuring that the ... a USR call with a floating point number at the top of ... well as small integers and floating point decimals, a slightly trickier trick ...Hover Droid (1987) - instruction, hack, easter eggA little information about this game: Keys: N move left M move right A fly mode on/off Z activate "A" or "B" object $B7F1,00 unlimited live…
... compiled BASIC program (compiled by "Floating Point Compiler").
The game ...SpecBAS 0.970 now available!Ok, it's time for an update, and we're at 0.970 now! New for this update: Huge amount of fixes in how numbers are printed, and how they're used in…
... NEXT loops - no more accumulated floating point errors!
The main ...Matchpoint ball algorithmAnyone has any idea how Psions Matchpoint ball algorithm works? Are they calculating the balls' parabola (floating point for just the ball doesn't se…
Anyone has any idea how Psions Matchpoint ball algorithm works? Are they calculating the balls' parabola (floating point for just the ball doesn't seem that calculation intensive) or do they use a known/common trick?AssemblersProbably asked a question that's been asked a million times before... but... I've decided to do a bit of old Speccy machine coding again, after 20 y…
... will have to use some floating-point.
[quote]
[I ...Compilersaside from SE Basic Compilers, what are some other good ones? Personally im afetr HISOFT Compiler for 128k, but if theres any others it would be nice…
... could compile just about anything, floating point integer or string.
i want to start writing my own gamesi want to start writing my own games but have no idea how. is there any downloadable dummys guides or some software that teaches u how. the only expe…
i don't think that using basic compilers is good idea. the generated code is still very slow and u lose many advantages of BASIC (floating point, multi dimension arrays a some functions).Print 'n' Plotter SPRITE MACHINEJust got this from an ebay seller this afternoon. I just TZXd it and sent it to the Steve at the vault, yet it might be a while before it gets put up…
... is some cross of a Floating Point/Integer compiler, and does its ...BASin CompilerAm I right in thinking that it isn't a fully-working one yet? Just a couple of obvious suggestions anyway... 1-Could you add an ORG command to the …
... than BASIC - due to the floating point routines being called from ROM ...Zaf-forth to Z80 compiler Build 5This forth like complier is changing almost every day with new items been added. Here is a new Zaf-forth word add it the sptword.fth file - which is…
... 's interested, i've implemented floating point vars,byte type vars, some ...Other PlatformsSorry for posting this ere... Any of you retro collectors got a Camputers Lynx and if so have u got any software for it ?? I've got one in front of…
... , like the ZX81 it had floating point only but you could stick ...BASIC performance tips?Been fiddling around with an old project a little after rescuing it from tape, and I'm toying with the idea of completing it (hey, better late than n…
... : get rid of all the floating-point math, if possible. It's ...BASIC performance tips?Been fiddling around with an old project a little after rescuing it from tape, and I'm toying with the idea of completing it (hey, better late than n…
... program is already devoid of floating point, so that's a good ...BASIC performance tips?Been fiddling around with an old project a little after rescuing it from tape, and I'm toying with the idea of completing it (hey, better late than n…
... a number, it finds the floating point form marker, and reads it ...About z88dk and autoexecsThis weekend I was playing a little with z88dk C cross Compiler. Amazing tool! I have three questions: 1- Does anybody know how to change the initia…
... them as well. Eg, for floating point math you'll need to ...Competition: Sadistick routine on Spectrum ROMMy vote goes to BEEPER at #03B5 Let's ear you pick! :) And a great BOHHHHHHHHHHHHH to Dr Ian Logan & Dr Frank O'Hara for their description about the…
... ]
[/quote]
Nope... Floating point in assembler is too much ...Competition: Sadistick routine on Spectrum ROMMy vote goes to BEEPER at #03B5 Let's ear you pick! :) And a great BOHHHHHHHHHHHHH to Dr Ian Logan & Dr Frank O'Hara for their description about the…
[quote]
On 2005-05-02 17:23, AE.Vasconcelos wrote:
Nope... Floating point in assembler is too much for me to handle.
[/quote]
Hint: RST 28Competition: Sadistick routine on Spectrum ROMMy vote goes to BEEPER at #03B5 Let's ear you pick! :) And a great BOHHHHHHHHHHHHH to Dr Ian Logan & Dr Frank O'Hara for their description about the…
... , AE.Vasconcelos wrote:
Nope... Floating point in assembler is too much ...Competition: Sadistick routine on Spectrum ROMMy vote goes to BEEPER at #03B5 Let's ear you pick! :) And a great BOHHHHHHHHHHHHH to Dr Ian Logan & Dr Frank O'Hara for their description about the…
...
RST 28 ; use the floating point calculator
DEFB A4 ; stk ...
CALL 03F8 ; aforementioned entry point for BEEP
