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Search Again :: Adv Search 1000 results in 0.166s
<1234567…34>
  • Fuse 1.3.5 releasedA new release of Fuse, the Free Unix Spectrum Emulator, is now available at the SourceForge project: https://sourceforge.net/projects/fuse-emulato…

    ...
    [*] WidgetUI: Fix memory leak in file selector
    [*] Silently skip ... PLTT blocks in SZX snapshots
    [*] Validate "used bits in last byte" field in TZX tapes
    in the next few days.
    Fred Fred April 2017 Emulators
  • Fuse for macOS 1.3.5 ReleasedA new version of Fuse for macOS has been released at the dedicated sourceforge project: https://sourceforge.net/projects/fuse-for-macosx/ Note …

    ... í).
    [*] Silently skip PLTT blocks in SZX snapshots (thanks, windale) (Fredrick ... Sergio Baldoví).
    [*] Validate "used bits in last byte" field in TZX tapes (thanks, Nicholas Naime and ...
    Fred Fred May 2017 Emulators
  • Fuse 1.3.6 releasedA new release of Fuse, the Free Unix Spectrum Emulator, is now available at the SourceForge project: https://sourceforge.net/projects/fuse-emulato…

    ...
    [*] Work around invalid "used bits in last byte" field in TZX tapes
    [*] Save SpecDrum level ... as unsigned in SZX snapshots
    in the next few days.
    Fred Fred June 2017 Emulators
  • Fuse for macOS 1.3.6 ReleasedA new version of Fuse for macOS has been released at the dedicated sourceforge project: https://sourceforge.net/projects/fuse-for-macosx/ Note …

    ... ).
    [*] Work around invalid "used bits in last byte" field in TZX tapes (thanks, Philip Kendall and ... /> [*] Save SpecDrum level as unsigned in SZX snapshots (Sergio Baldoví).
    Fred Fred June 2017 Emulators
  • TZX format updateHi folks. Following the private communication with Andy I would like to start a discussion on changing the TZX format to reflect new needs and improv…

    ... ^NB different pulse lengths; the TZX bitstream is parsed as a ... lengths are used (e.g. 3, with NB=2); the TZX creation ... />
    07+NN 1 Used bits in last byte (other bits should be 0) [8]
    Luca Luca February 2004 MIA/STP/SDP
  • Splitting Images tzx maybe not perfectI've been hacking this game and its loader. Also the save routine is intact in this game. It saves a block with a pilot length of 801 pulses. Test…

    ... PILOT tone (in PILOT pulses) 801
    Used bits in last byte 8
    ... Flag byte = 199 (#c7)[/font ... /> Edit:
    Made a tzx of my demo from the ... spec/Splitting%20Images%20Demo.tzx]Splitting Images Demo[/url]
    FrankT FrankT August 2007 MIA/STP/SDP
  • Fuse 1.3.6 releasedA new release of Fuse, the Free Unix Spectrum Emulator, is now available at the SourceForge project: https://sourceforge.net/projects/fuse-emulato…

    ... "]
    [*] Work around invalid "used bits in last byte" field in TZX tapes
    [/quote]

    in that block descriptor in TZX files created by ...
    Ast_A_Moore Ast_A_Moore June 2017 Emulators
  • TZX format updateHi folks. Following the private communication with Andy I would like to start a discussion on changing the TZX format to reflect new needs and improv…

    ... /> 0d+2N 1 Used bits in first byte (other bits should be 0) ... this is 6 then the bits (x) used in last byte are: 00xxxxxx
    ... br /> 0e+2N 1 Used bits in last byte (other bits should be 0) [8 ... is 6 then the bits (x) used in last Mikie Mikie February 2004 MIA/STP/SDP
  • TZX format updateHi folks. Following the private communication with Andy I would like to start a discussion on changing the TZX format to reflect new needs and improv…

    ... longer pulse)
    04 1 Used bits in LAST Byte
    05 3 Length of ... too short to be held in milliseconds. I would rather not ... have a following pause field in the block. For the problem ...
    Fraser Fraser February 2004 MIA/STP/SDP
  • Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…

    ... Used bits in last byte" byte?

    Does this indicate the number of valid bits in the last ... stored byte of the block ... the number of used symbols in the last eight? (If ... />
    Would the "Used Bits" of this block be 7 ...
    MikeW MikeW November 2005 Emulators
  • Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…

    ... (rows=alphabet characters)
    *used bits in last byte (other bits should be 0)
    *pause ... this:
    *character flags
    bits b0b1:
    00 - start rendering ...
    Mikie Mikie December 2005 Emulators
  • FUSE fails to save "Bytes:" files that can be converted to .tapI have been running FUSE with the OCP Assembler loaded. When I save the Assembly listing from OCP, I see border colour and noise of a proper save. So…

    ... , so I guess it is .tzx. I can use FUSE to ... load the saved file back in OK.

    However, I ...
    Listing of `ocp_diz1.0.tzx':

    Block type 0x15 ...
    Length: 139555 bytes
    Bits in last byte: 7
    Each bit is ...
    bladerunner bladerunner February 2009 Development
  • Tape preservation toolsIn the latest MakeTZX thread of doom several people said that it would be good to have active development of tape decoding tools. I needed tape file…

    ... Data length: 623 bytes (8 bits in last byte used)
    Tail length: 945 tstates ... Data length: 3654 bytes (8 bits in last byte used)
    Tail length: 945 tstates ... Data length: 20164 bytes (8 bits in last byte used)
    Tail length: 945 tstates ...
    Fred Fred April 2011 Emulators
  • ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…

    ... missing bits of last byte are zeroed.
    2 bytes: pause after block in ... s in the TZX format already:

    1) Nowhere in the TZX spec ... (outside the never used C64 blocks) is ... we should put this in the TZX format as it's ...
    Philip Kendall Philip Kendall September 2003 Emulators
  • Test your emulator with one damn tricky TZX file!Some time ago I got hold of this tricky TZX file with a custom [i]super[/i] turbo-loader. [i]The load time is 18 seconds (!)[/i]. Until recently, I w…

    ... in the malformed OTLA TZX file. In block ID 15 (Direct Recording), the byte ... at offset 0x04 (used bits ... /samples in last byte of ... according to the TZX specs). OTLA seems ...
    Ast_A_Moore Ast_A_Moore April 2017 Emulators
  • Test your emulator with one damn tricky TZX file!Some time ago I got hold of this tricky TZX file with a custom [i]super[/i] turbo-loader. [i]The load time is 18 seconds (!)[/i]. Until recently, I w…

    ... url]:

    [quote]Used bits (samples) in last byte of data (1–8)
    in this byte instead. The TZX itself has a ... to the parser to interpret TZX files. Some emulators just ... can’t deal with malformed TZX files, others probably only ...
    Ast_A_Moore Ast_A_Moore April 2017 Emulators
  • Test your emulator with one damn tricky TZX file!Some time ago I got hold of this tricky TZX file with a custom [i]super[/i] turbo-loader. [i]The load time is 18 seconds (!)[/i]. Until recently, I w…

    ... the TZX format has a special byte reserved for those 8 bits. byte 0x4 ... ’s byte 0x04 of block ID 15. This particular TZX file ... 0x04 denotes the number of used bits in the last byte of the block, and ... to fix OTLA TZX files by changing that byte manually, just as ...
    Ast_A_Moore Ast_A_Moore April 2017 Emulators
  • TZX and the ZX81Evenin All. EightyOne is now is a state where I can support a more descriptive tape format. I know how some people have been calling for tzx suppor…

    ... Pulse in T-States
    06 2 Length of Gap between bits ... /> Possibly with another byte in there for the used bits in the last byte (I don't ...
    MikeW MikeW September 2004 Emulators
  • Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…

    ... out these missing clarifications in the doc! I have ... I think that sticking to "used bits" is probably easier to handle ... length" field explicitly, like in blocks 0x10, 0x11 and 0x14 ... num_bits_per_symbol/8), and the used bits in the last byte would then be NN ...
    Luca Luca November 2005 Emulators
  • Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…

    ... I think that sticking to "used bits" is probably easier to ... length" field explicitly, like in blocks 0x10, 0x11 and 0x14 ... num_bits_per_symbol/8), and the used bits in the last byte would then be NN ... with "used bits". It's what's done everywhere else in the ...
    Philip Kendall Philip Kendall November 2005 Emulators
  • ZXS to TAP conversion......for the DOS illiterate. Basically I've saved a BASIC program in ZXS format. I need to convert it to TAP (I think), because it's so large it needs…

    ... other bits determined by end of
    audio signal condition, are used ... /> EEE is number of last bit in last byte, coding is the
    same ... /> image. Bits of rr must be 0 if not used.
    [/code ...
    rich_chandler rich_chandler June 2008 Emulators
  • TZX format and Enterprise files(**) The Enterprise stores data in a different way than all other computers do. It stores the LSb first, but the data blocks require the data to be M…

    ... no end mark on each byte. Why does the standard have ... parity mark? The end of byte mark standard values can't ... one.

    The used bits in the last byte would be 00xxxxxx if the ...
    Fraser Fraser March 2009 Emulators
  • LZ77 en/decodingI've written an LZ77 en/decoding routine as I couldn't find one around for the Spectrum. Initially I'm just doing it in BASIC to get the logic right.…

    ... you need those upper 4 bits. Wich you will sooner ... ,[HL] ... Read high BC byte
    LD [HL],E< ... ,[HL] ... Read low BC byte
    LD [HL],E[/ ... more speed, and less memory used.

    The ... 32 bits rotates from 40 memory bits, the last byte need be read in ...
    Z80user Z80user March 2012 Development
  • Storing two 4 bit values in one byteHi Folks, Another little tip to share although I suspect this one will be known to a lot of you out there. ;-) I wanted the ability to store two 4 …

    ... numbers (values 0-15) in 1 byte. Whilst thinking about this I ... B=5
    120 LET BYTE=A*16+B
    130 ... LET A=INT(BYTE/16)
    140 LET B ... =BYTE-A*16[/CODE]

    ...
    Paddy Coleman Paddy Coleman November 2010 Sinclair Basic
  • Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…

    ... used from BASIC, err, well, if you know how to check bits in ... a byte (cos I haven ... br /> ;
    ; The bits in A after checking keys are ... ; point to the key_xxx_pattern byte
    ld (hl), ... go back to the key_xxx_port byte
    ld a,(de ...
    polomint polomint September 2011 Development
  • ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…

    ... : block length
    1 byte: polarity 'N' or 'P'. ... bits of last byte are zeroed.
    2 bytes: pause after block in ... ms

    1 byte: Block ID ... group of pulses, in BCD, 2 per byte.
    2 ... bytes: pause after block in ms< ...
    Fraser Fraser September 2003 Emulators
<1234567…34>

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HitBox

Word Docs Hits
tzx 12K 21.9K
used 60.1K 73.9K
bits 10.4K 13.8K
in 401.9K 810.5K
last 47.3K 54.5K
byte 7.3K 15.2K

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