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Search Again :: Adv Search 1000 results in 0.046s
<1234567…34>
  • A athlon 3000 32 bit system or a athlon 3000 64 bit systemThey will cost about the same which i was suprised to learn, but which system would you recommend, if i build the 64 bit one, can I still play my 32 …

    ... , can I still play my 32 bit games ??
    And i have ... only run with the 64 bit version of windows XP ???
    swordheart swordheart December 2005 Chit chat
  • searching for ASM bookI am searching for a book with simple examples of assembler code. I found one, but i cant remember where.. i forgot even the title.. it was a scanned…

    ... /stdlib/[/url]

    16-bit multiply and divide:
    [url]http ... ;view=markup[/url]

    32-bit multiply and divide:
    [url]http ...
    Alcoholics Anonymous Alcoholics Anonymous May 2008 Emulators
  • yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…

    ... />
    - math functions (16 bit and 32 bit arithmetics and floating point),
    32-bit multiply and 32-bit divide make use of exx ... few subroutines for 8-bit, 16-bit and 32 bit arguments. medium is a ...
    Alcoholics Anonymous Alcoholics Anonymous January 2011 Development
  • z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…

    ... me :P

    The 32-bit problems are probably due to ... math does not have native 32-bit multiply and divide (it is emulated ... by several 16-bit multiplies and divides) whereas z88dk ...
    Alcoholics Anonymous Alcoholics Anonymous May 2012 Development
  • z88dk vs. sdccI've just read this article (in Spanish) [url]http://www.cpcmania.com/index2.asp?urldest=Docs/Programming/SDCC_vs_z88dk_Comparando_tama%F1o_y_velocid…

    ... me :P

    The 32-bit problems are probably due to ... math does not have native 32-bit multiply and divide (it is emulated ... by several 16-bit multiplies and divides) whereas z88dk ...
    na_th_an na_th_an May 2012 Development
  • Deterministic random number generatorI'm looking for a random number generator in assembly which, given a seed, the generated sequence is always the same. You change the seed, you get a …

    ... it only generates 8-bit numbers (again a plus ... numbers larger than 8-bit you have to call ... and put together a 15-bit random number generator (as ... C standard, using 16-bit ints and always returning a ... random number generator is a 32-bit XorShift RNG as
    ...
    Alcoholics Anonymous Alcoholics Anonymous February 2014 Development
  • Dock's ZX Maze gameI'm hoping to finish a simple maze game in ZX Spectrum BASIC this week, as part of the Ludumdare Retro challenge. I used to dabble in speccy basic on…

    ... fixed point operations. If you multiply two numbers and they overflow ... to wrap around (in 8-bit, 2*255 = 254 but ... hundred bytes for 8 to 32 bit multiply.


    Anyway if ... , a single draw primitive may multiply into many that would individually ...
    Alcoholics Anonymous Alcoholics Anonymous June 2014 Sinclair Basic
  • Remainder (Mod) calculationsI've been figuring out how to calculate remainders after integer division by a constant divisor k (A mod k = A % k). I found that for most small di…

    ... 8 and 16 bit divisions by constants into a multiply, on the ... />
    16 but version, requires 32 bit multiply function:

    https://web ...
    Paradigm Shifter Paradigm Shifter October 2021 Assembler
  • Question on 8-bit, 16-bit, 32-bit...Hello, Sorry, this is probably a really dumb question(and something I should know by now :)). I tried doing some searches about this but came up only…

    ... is exactly meant by 8-bit(as in computers or consoles ... /> Systems today like windows is 32 bits and I've even ...
    thomas3120 thomas3120 January 2003 Sinclair Miscellaneous
  • Z80 AssemblerSome of you may know that I'm working on a Z80 assembler. I thought I'd start a thread so I can see what people think and what they might want to see…

    ... comprehensive list of instructions
    32 bit signed labels
    Case sensitivity ... to TASM but with a bit more intuition.

    For ... @ is a symbol for 8 bit values. Bytes are then inserted ... of opcodes strung together and multiply defined variables.
    cyborg cyborg February 2003 Sinclair Miscellaneous
  • A bit late, but 10 years of PlayStaion! My thoughts.I think the acual Aniversary of the Playstion release was a couple of weeks ago, but I picked up GamesTM today and it has a big feature about it (bes…

    ... . We went from 8 to 32 bit, from colour clash and cassete ... . Sure, the graphics are a bit better but it's hardly ...
    Sharopolis Sharopolis December 2004 Sinclair Miscellaneous
  • Overflow Detection while Scanning a Number from a StringI've got some strange behaviour from a subroutine that reads a number from a string and converts it to a 32-bit long. It's C's strtol if it helps to…

    ... />
    Anyway, the result is 32 bit but C99 requires detection of ... am using a 40-bit unsigned 32x8 multiply in the main ... the 32-bits into the top 8-bits of the 40-bit multiply ... ) then result+=digit can't cause overflow following this multiply ...
    Alcoholics Anonymous Alcoholics Anonymous April 2012 Development
  • 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…

    I liked Andre Adrian's 32-bit long multiplication routine so much ... 's what prints, not "1E+32". Each number is entered as ... .html#mozTocId269826
    991 REM MULTIPLY ROUTINE 32*32BIT=64BIT
    992 ... /> 1393 PRINT "= "'a$(a TO)'32-a+1;" digits"''
    1399 ...
    Battle Bunny Battle Bunny July 2013 Sinclair Basic
  • 64-bit CSW tools?I wasn't sure whether to put this under "Preservation" but my query relates to tape conversion so I thought it best to go here. Basically, I occasio…

    ... doesn't work under 64-bit Windows. This isn't a ... as it's still got 32-bit Vista on it but both ... my desktop PCs run 64-bit Windows and the only way ... -compatible tools working under 64-bit Windows by just recompiling from ...
    richl richl September 2013 MIA/STP/SDP
  • Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…

    ... the time for one bit in the 8-bit multiply. Savings is 10 ... cycles per extra leading 0 bit of ... is a 16-bit by 16-bit multiply into a 32-bit result.
    < ... of two 16-bit
    ; multiplicands into a 32-bit product
    ;< ...
    Alcoholics Anonymous Alcoholics Anonymous January 2014 Development
  • Sprite adviceHello. So, I'm slowly getting to grips with Z80 assembly - currently equal parts frustration and enjoyment. Now looking for some advice to help shift…

    ... Here's two simple 16-bit random number generators. I ... .

    ; 16-bit seed random generator
    ; ----------------------------< ... ; Uses only one 16-bit variable, seed.
    ; ... a,a ;Set highest bit of seed to carry ...
    Alcoholics Anonymous Alcoholics Anonymous May 2006 Development
  • Help understanding some z80 asmI'm trying to work out how to represent the structure of a "sprite" in the SAM as "Grabbed" by SmallC. I can see the assembler implementation but I …

    ... a multiplication step where two 32-bit longs are multiplied. The solution ... l_long_mult.asm?view=markup"]long multiply[/URL] routine is simplified ... determined by how the long multiply routine works, and it ... be true that the long multiply could be improved by ...
    Alcoholics Anonymous Alcoholics Anonymous January 2007 Development
  • Why the name "8-bit computer"?The Spectrum was called an 8-bit computer, but what does that mean? For modern hardware and operating systems (32 or 64-bit) it seems to be the poss…

    ... is true 16 bit, and partially (actually some 80%) 32-bit CPU.
    Most complex Ops. as dividing and multiply are ... not fully 32-bit.

    QL ...
    piters piters May 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... involves an add and a multiply. "g_land" is a pointer to ... sure there is only one multiply operation (aside from the "row ... itself (and modern compilers for 32-bit systems generally are smart) but ...
    Alcoholics Anonymous Alcoholics Anonymous August 2007 Development
  • Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…

    ... with a for loop and multiply the for loop's index ... . The use of 32-bit longs rather than 16-bit integers for the ... loses plot function contains a bit of safety code. It first ... .

    That was a bit tricky to put in English ...
    Alcoholics Anonymous Alcoholics Anonymous September 2007 Development
  • Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…

    ... protected mode (32 BIT) gives me seven general purpose 32 BIT registers plus a ... SP or the eight 64 BIT register FPU stack or the ... modes, count based shifts/rotates, multiply, divide and many clever uses ... the Motorola 68000 but having 32 registers was far too ...
    ASM ASM October 2010 Development
  • binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…

    ... the z80 which has no multiply instruction or scaled indexing address ... thinks embedded applications he thinks 32-bit processors in embedded applications :-P ...
    Alcoholics Anonymous Alcoholics Anonymous July 2011 Development
  • 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 …

    ... . Force the most sig bit into a '1' because ... Now, considering it as a 32 bit unsigned number, take the msb ... Now for the floating point bit which is where the ... Let E = the 7 bit exponent. Which represents the number ... it is +ve then MULTIPLY it by 2^E.
    BloodBaz BloodBaz September 2011 Development
  • M/C mathsHow would I do the equivalent of LET A=B*7 in machine code?

    ...
    For a general multiply you're going to need ... ,hl ; move up a bit (sum=sum*2)
    ... rlca ; push the next bit from A into carry
    bit wasn't set
    ... a full 16-bit * 16-bit = 32-bit calculation, if needed.
    obo obo January 2012 Development
  • ZX7: an "optimal" LZ77 packerAbout 20 years ago, I started a M.Sc. in Computing, planning to work on data compression. Although I quickly changed to another subject for a number …

    ... splited.
    Now we choose 32-bit number that fits into range ... be reversed.
    With given 32-bit number you simply start with ... lot of common bits into 32-bit number. That is how statistical ... live as 8-bit number
    so you could multiply 32bit number ...
    catmeows catmeows January 2013 Brand new software
  • Relocation with SDCCI desperately need auto- relocation with SDCC. Something that will compile all of my code using start address 0 and generate relocation table so that…

    ... micro without a built in multiply or scaled addressing, especially since ... /> I think it's a bit unfair to write off sdcc ... his idea of embedded is 32 bit processors with lots of RAM ...
    Alcoholics Anonymous Alcoholics Anonymous June 2013 Development
  • Wow! This is really a staggering achievement (programming, but still interesting!)The subject of good/clever programming came up in the SE BASIC topic, and I thought I'd mention this, but then that thread went back on topic (er, no…

    ... get registers which hold 4 32-bit floating point values these days ... are intrinsic instructions to add, multiply, dot product etc. those vector ...
    Paradigm Shifter Paradigm Shifter October 2013 Chit chat
  • Wow! This is really a staggering achievement (programming, but still interesting!)The subject of good/clever programming came up in the SE BASIC topic, and I thought I'd mention this, but then that thread went back on topic (er, no…

    ... get registers which hold 4 32-bit floating point values these days ... are intrinsic instructions to add, multiply, dot product etc. those vector ...
    Vampyre Vampyre October 2013 Chit chat
  • SE Basic IV Buffy v4.1 source (WIP)I've been doing a major refactor on the SE Basic source and I'd appreciate a code review from anyone who has time to look at it. I've almost certainl…

    ... :
    rla ; perform 32-bit shift into BC'CA taking ... /> sbc hl, de ; (32-bit arithmetic)
    exx ; main ... /> sbc hl, de ; (32-bit arithmetic)
    exx ; main ... br /> add hl, hl ; multiply
    add hl, hl ; ...
    chev chev October 2013 Development
  • Basic program malfunctionHello. Please does anyone know why this basic program 10 LET x=0 20 LET x=x+0.1 30 print x 40 if x<>1 then goto 20 50 STOP does not properly work o…

    ... point formal only has a 32-bit mantissa. This means it can ... preferable way might be to multiply everything by 10 and take ...
    Alcoholics Anonymous Alcoholics Anonymous June 2014 Sinclair Basic
<1234567…34>

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