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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…
... /> * RUN 1000 : decimal to FP
* RUN 2000 : FP to decimal
* RUN 3000 : decimal to FP & calculator ... -
Decimal to Binary stringHi all, Anyone got a less labour intensive BASIC routine than this? Example:- take 170 and convert to a string "10101010" take 4 and convert to a s…
... br /> take 170 and convert to a string "10101010"
... take 4 and convert to a string "00000100"
... my prog (not shown) to TAP but there's ... # SUB - Binary string conversion, A=decimal input, s$ is the output ... /> 1040 FOR l=126 TO 0 STEP -1
... -
calculator and sinusok, look at the Sysel's routine: [PHP]3 5b00 *s 4 5b00 tabsin = #7000 03 mksin 19.11.1995 Busy soft …
... difficulty with converting numbers to different formats. The ... 1000 (number to FP) and RUN 2000 (FP to number) are ... it only accepts decimal integers, so to type in ...
1000 REM number to FP
1010 DIM b( ... />
2000 REM FP to number
2005 DIM b ... -
Full 16*16-digit BASIC multiplicationI liked Andre Adrian's 32-bit long multiplication routine so much that I decided to a decimal version. After all, 2^63 is only 9223372036854775808, a…
... It's easiest to imagine the virtual decimal point as being ... 33b4 ;STACK_NUM if number in FP form
push hl< ... NewVAL: ;convert a 4-digit decimal to a 2-byte binary
to a 4-digit decimal number string
ld ... -
forbidden planet..ok heres an odd one thats always puzzled me. I wonder if anyones got any more info... I go to my local game shop, and i buy an orignal copy of forb…
... .. so i was looking foward to FP.
Anyway.. ...
Instead of going to the next sector, or jumping ... telephone number and talk to one of the company" ... sure i was talking to design design office...
to the shop " I didnt ... -
help needed...Hi there, i'm trying to figure out a possible typo in William Tang's 'Spectrum Machine Language for the Absolute Beginner' on page 23 there's a prog…
... enable you to input to your
Spectrum a decimal number and ... convert it to a
... value.
100 REM decimal to hexdecimal conversion
110 print ... ?Input decimal value??
120 input n ... -
OpenSE BASIC 3.1.1The eagle-eyed will have noticed that [url="http://www.worldofspectrum.org/infoseekid.cgi?id=0027510"]SE BASIC[/url] got an update last week. As a te…
... from SAM BASIC (thanks to Andrew Wright) and original ... and the solution was to machine reverse engineer it resulting ... Computer Programs) Regulations 1992 amendment to the UK Copyright, Designs and ... ), ~ (for converting 16-bit decimal to a string in hex format ... -
PSI ChessHi, Anybody out there remember the game "PSI Chess" by The Edge? Well, there seems to be no problem finding a snapshot ot tape image for this game …
... of 1-4 to change to each of ... "Setup" mode allows you to configure various game options such ... to "9" to adjust White's clock;
"R" + "0" to "9" to ... (Press Caps Shift + BREAK to cancel any of these operations ... able to force a jump to address 4867 decimal to ... -
Why Hex in place of Denary?Ok - most MC books / tutorials advocate the use of hex instead of denary. But the Speccy doesn't actually have a Hex converter so you need to write …
... 's easier to convert Hex to Binary than it is Decimal to Binary. Binary ... a byte; it is easier to split the byte down into ... - the left hand part translates to the left Hex digit, and ... bits to the right Hex digit. Far easier to work with than Decimal. -
Codesanybody know where there is a code reference ??? like for example 10 = OA in hex but what about for larger numbers like 500,000 etc ??? anybody go…
I use the Windows calculator (in Scientific display mode) for decimal to hex to bin conversions.
Cheers, -
Floating point representationI'm planning on picking up the [url=http://matt.west.co.tt/category/spectrum/openzxrom/]OpenZXRom[/url] project from where I left off a few months ba…
... you should be able to convert them to FP, do the math, and ... convert back to integer. Now, ... tell you whether to perform simple math or convert to FP. Of course ... you are able to perform FP to INT conversion and FP math, then you ... -
Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... of a way in BASIC to convert decimal to hexadecimal?
In ... ripped graphics, I'd like to display the codes in hex ... -
help needed...Hi there, i'm trying to figure out a possible typo in William Tang's 'Spectrum Machine Language for the Absolute Beginner' on page 23 there's a prog…
... />
[code]
100 REM decimal to hexdecimal conversion
110 print ... ?Input decimal value??
120 input n ... ?; s$;? h?: for i=1 to 200:next i:run
help needed...Hi there, i'm trying to figure out a possible typo in William Tang's 'Spectrum Machine Language for the Absolute Beginner' on page 23 there's a prog…
... :
[CODE]100 REM decimal to hexdecimal conversion
110 PRINT ... "Input decimal value..."
120 INPUT n ... ";s$;"h": FOR i=1 TO 200: NEXT i: RUN
170 LET n=n2: GO TO 135[/CODE]Converting m$ to dataI created a maze using a matrix of 704 characters. In order to save memory, and since the maze it's just walls and spaces which could be interpreted …
... numeric array M has to be converted to a binary string. By ... usual process of converting a decimal to binary and store the result ... M$ array that will correspond to a bit and print the ... .
The alternative is to use assembly. :)Starting on machine code - BASIC first?Howdy. If I wanted to start learning machine code for the speccy, from scratch, would you recommend I learn BASIC first or is it entirely possible to…
... When I see 248 in decimal I immediate see the bit ... ]
Try turning 170 (decimal) into binary in your head ... maps directly onto binary [...], but decimal takes a lot of effort ... 170 decimal to binary in my head (10101010) quite fast. Counting decimal to binary ...TommyGun 0.9.x updates** Should be available via the utilities page soon! Please be patient :-) ** I'll be posting all future updates in this thread, instead of creating …
... , and in the case of Decimal to hexadecimal, the hexadecimal result turns ... out to be the decimal value:
123 decimal is 0x291 ...
123 decimal is %100100011
123 decimal is ...Announce: BASin r14b availableHere's the fix mentioned earlier for those of you that either are too lazy to update your OS (XP SP2 has been out aaaaages, Arjun!) or even junk that…
... I'd upgrade to v14b to see what the new ... fine. I then wanted to import my current work ... as" field from DATA decimal to "Send to memory" (help file a ... The bottom field then changes to "Address". I type in ... . I then quickly convert to decimal and type in 40960. ...Announce: BASin r14b availableHere's the fix mentioned earlier for those of you that either are too lazy to update your OS (XP SP2 has been out aaaaages, Arjun!) or even junk that…
... ]
If I go to import binary, find my .BIN ... as" field from DATA decimal to "Send to memory" (help file a ... The bottom field then changes to "Address". I type in ... . I then quickly convert to decimal and type in 40960. ... might also want to send that to me (I'll ...'orange' on a spectrumalways wondered why spectrums could never seem to achieve the colour orange? wasn't one of the default colours, and don't remember seeing anything th…
... a specific dedicated command to flip between screens from ... screen flipping due my slow decimal to binary routine - this routine ... actually draws it to screen1 then copies screen1 to screen2), then ... 2000- [b]bindec[/b] binary to decimal
Line 6000- ...Having trouble with some type-insI'm trying to enter some type-ins into BASin but I get into errors I can't handle. Since both type-ins are coming from the same book, it becomes a li…
... fix since I was supposed to know what I was doing ... if I intend to use BASin. But it's ... . The second is a simple decimal to hexadecimal converter and thankfully I ... errors in this book. Nothing to do with code. Definitely not ...Girlfriend's computerI'm on my girlfriends computer atm -- one which she has asked me to sort out. It is a Vista computer which has reportedly slowed down since she fir…
... in the decimal put a 1 - this allows XP to keep data ... click it and change the decimal to 1 -this allows XP Kernal ... -XP will request to report application errors to Microsoft. To turn this off ... /> I've often needed to do this to repair something that had ...CALCULATOR on ZXExist any calculator for ZX Spectrum ? I find only this version: [url]http://velesoft.speccy.cz/other/kalkulacka.sna[/url] [img]http://velesoft.spe…
... conversion. Use HEX and DECIMAL to change base, enter numbers ... [CODE]HEX C9 DECIMAL .[/CODE]
[CODE]DECIMAL 64321 HEX .[/CODE]< ... word to change the base first:
[CODE]DECIMAL
[CODE]BIN 1011101 DECIMAL .[/CODE]
You ...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…
...and because it is far quicker to pick up the internal numeric representation from the listing whilst running a program (rather than parsing the number and converting it to FP on the fly) (esp. in tight loops)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…
... because it is far quicker to pick up the internal numeric ... the number and converting it to FP on the fly) (esp. in ... and I could recompile it to take out the VAL... now ... I just have to decide if I can be ...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…
... and I could recompile it to take out the VAL... now ... I just have to decide if I can be ... from the characters in source to FP would be slower than grabbing ...PokingHi, I'm new to posting on here, I read the forums a lot but never post! However I've got a question I thought you guys would be the best people to as…
... finder.
You have to save a memory snapshot first ... waited for the clock to change and selected the ... . This enables the debugger to break and open at the ... is read from or written to.
The ... instruction which is 40 in decimal to JR which is 24 ...
