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Structure of numeric arraysHi all, I have saved from my spectrum a numeric array using 'SAVE "array" DATA a()'. I now have the resulting file on my PC and I am trying to get …
I will ignore the simple integer representation for the time being, as thats easy to do. its the floating point thats giving me a headache! -
Structure of numeric arraysHi all, I have saved from my spectrum a numeric array using 'SAVE "array" DATA a()'. I now have the resulting file on my PC and I am trying to get …
... a number to 5-byte floating point form.
RUN 2000 to ... a number from 5-byte floating point form.
RUN 3000 to ... -
Structure of numeric arraysHi all, I have saved from my spectrum a numeric array using 'SAVE "array" DATA a()'. I now have the resulting file on my PC and I am trying to get …
... easy to do. its the floating point thats giving me a headache ... byte value into a fixed point number between 0.5 and ... .
Now for the floating point bit which is where the ... then DIVIDE your generated fixed point mantissa by 2^E or ... -
Structure of numeric arraysHi all, I have saved from my spectrum a numeric array using 'SAVE "array" DATA a()'. I now have the resulting file on my PC and I am trying to get …
... . I have now read about floating point and I can now understand ... -
Structure of numeric arraysHi all, I have saved from my spectrum a numeric array using 'SAVE "array" DATA a()'. I now have the resulting file on my PC and I am trying to get …
You could try this to see how floating point is really not perfect:
[code]
10 LET a = 1/2
20 LET b= 0.5
30 PRINT a=b
[/code]
My point has been made! -
Structure of numeric arraysHi all, I have saved from my spectrum a numeric array using 'SAVE "array" DATA a()'. I now have the resulting file on my PC and I am trying to get …
... try this to see how floating point is really not perfect:
[/code]
My point has been made![/QUOTE]
IN or INKEY ?just curious which is better to use.. I have a menu done.. and use 6/7 to go up down it + space to cycle thru the options (using inkey).. obv. if I w…
... don't have the hidden floating point form after them, which SCANNING ...Floating Point Forth (CP Software)[IMG]http://i269.photobucket.com/albums/jj79/Hairyrecords/scan0011.jpg[/IMG] I don't see Floating Point Forth by CP Software in the archive. But I …
... ]
I don't see Floating Point Forth by CP Software in ... published by CP Software as Floating Point Forth.[/QUOTE]
If ...Floating Point Forth (CP Software)[IMG]http://i269.photobucket.com/albums/jj79/Hairyrecords/scan0011.jpg[/IMG] I don't see Floating Point Forth by CP Software in the archive. But I …
I have Floating Point Forth by CP, so I'll give it a whirl and compare with the preserved files.
edit: my two tapes are (c) 1983.Floating Point Forth (CP Software)[IMG]http://i269.photobucket.com/albums/jj79/Hairyrecords/scan0011.jpg[/IMG] I don't see Floating Point Forth by CP Software in the archive. But I …
Mike Hampson's house, possibly where Floating Point FORTH was created.
[IMG]http://i269.photobucket.com/albums/jj79/Hairyrecords/MikeHampsonHouse.jpg[/IMG]Calculating percentage..or even calculating percentage. Maths and asm I find verryyy tricky. Can anyone suggest the easiest/best way to calculate a percentage from two 1…
... handling the answer as a floating point number.
[code]
10 ...BASIC: Find the nearestHello guys) A few days ago I found oldie ?Jeux et casse-tete a Programmer? by Jacques Arsac (Paris?85) and suggested my nephew to try a few in Basic…
... better, tobos, they are both floating point compilers.M/C mathsHow would I do the equivalent of LET A=B*7 in machine code?
... would be:
* Point CH_ADD to the name of ... on the calculator stack
* Point CH_ADD to the name of ... "a:b:c:s$():" - and point CH_ADD to the relevant name ... mathematical calculation with BASIC variables. Floating point values can be stacked prior ...M/C mathsHow would I do the equivalent of LET A=B*7 in machine code?
... dealing with BASIC variables or floating point values. Assuming non-BASIC:
M/C mathsHow would I do the equivalent of LET A=B*7 in machine code?
... everything and starts again using floating point multiplication.
In such circumstances ... ZX81/Spectrum only have slower, floating-point division.
As the solutions ...Is there a limit to the numberof variables you can have in BASIC..... Reason I ask is I've got an idea....but using my "lowest common denominator" approach to code I fear that I'…
... error below
"Invalid floating point operation"
What the ...BASin bug?Every now n then I'm getting "invalid floating point operation" when trying to load up BASIC programs....it then locks up BASin But I can get r…
... 'm getting
"invalid floating point operation"
when trying ...Minimal BASICAndrew Owen has just uploaded [B]Standard ECMA-55: Minimal BASIC [/B]to the Full Books archive on WOS. Thanks! [url]ftp://ftp.worldofspectrum.org/pu…
... Ace was that it used floating point arithmetic.Minimal BASICAndrew Owen has just uploaded [B]Standard ECMA-55: Minimal BASIC [/B]to the Full Books archive on WOS. Thanks! [url]ftp://ftp.worldofspectrum.org/pu…
... though - binary floating point as on the Spectrum and decimal floating point as on ...Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…
... 14 is the normal $0E floating point marker, A is undefined, ED ... in the normal 5-byte floating point form. I'm off now ...Copying a SCREEN$ in ZX BASIC in 1 second?!Following on from the revived "[thread=20207]Saving a complete SCREEN$ in BASIC[/thread]" thread (although Arjun really only needed a suitable POKE i…
... $
14 0Eh N/A Floating point marker
0 00h ?
1) Why is the floating point marker required?
2) What ...Poking a string to memory...I'm looking to poke a string of characters including colour control codes to memory, I'm currently doing it by hand: 16,2,19,1,22,1,1,144 That equa…
... $
14 0E N/A Floating point marker
0 00 N ... & 23564) system variable to point at the default UDG address ...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…
Yes. (4 digit bytes first, then an 0x0E (14) byte to indicate that a floating point number follows, then 5 bytes for that floating point number)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…
... the ZX81 which only had floating-point numbers. It has to occupy ... (14) and then the hidden floating point form but no ASCII digits ...Limboanyone played Limbo on PSN? [youtube]GCA79zPaQe0[/youtube] I would image a game like this would work really well on the speccy
... lot of math, preferably in floating point and with high precission. if ...using the ROM's FP calculatorIs it possible to use the ROM's FP calculator to evaluate any FP expression in a single sequence of commands without breaking out to stack some other…
... had 32 temporary stores for floating point numbers, a jump instruction and ...Spellbound 48k issues with ToastrackIve been busy converting a lot of games to +D disk, everything was going smoothly until I tried Spellbound, loading in 48k mode on the toaster it res…
... hacker" message? It uses "hidden floating point" techniques so if you've ...
