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Search Again :: Adv Search 1000 results in 0.027s
<1234567…34>
  • Scrolling loader counter in 85 T-States?Would it be possible to write a scrolling loader counter in 85 T-States? I have a custom screen load routine that loads attribute first, then the …

    ... to new format at 49152
    ; Format ... ; attributes
    ld de,49152 ; destination
    loop2: ld ... br /> jp ldnext ; 10ts ; load next byte
    ; = 85ts
    ... br /> jp ldnext ; 10ts ; load next byte
    ; nextpix + saveix ...
    FrankT FrankT February 2017 Assembler
  • SpeedloadersWhen was the first time they came out and who invented them. What was the general speccy user's and media reaction to them? Would be nice to have a …

    ... />
    Also, you could load in a 49152 byte uncompressed block into memory ...
    BloodBaz BloodBaz April 2007 Games
  • Compressors are available for Speccys ?Hi folks, although I was an wasn't strictly a speccy coder in the glory days (amstrad & amiga for the most part), I have secides to arse about with …

    ... to copy large programs with 49152 byte size and was able to ... used the original loader to load the blocks and saved them ...
    LCD LCD November 2012 Development
  • A clever method of using a single 8-bit register to be used for two things at a timeI don't know if this is the way the SAVE routine in the Spectrum works. Anyway, this is what I've learned today. I've been commented the disassembly…

    ... register (L) holds both the byte that is being outputted to ... At first, L holds the byte to transfer.
    Then just ... /> - If ZF is set, the byte has already been trasferred. If ... /> END_BYTE:
    ;Other stuff... load next byte and so on...
    SEND_ZERO ...
    mcleod_ideafix mcleod_ideafix January 2011 Development
  • Checksum RoutinesHi there everybody, Does anyone have an 'off the shelf' assembler routine for generating checksums? Thanks Jim

    ... checksumsub ld a,(hl) ; Load next byte into a.
    ex de ... next byte of checksum.
    ld a,(hl) ; Load it ... most significant byte.
    ld a,(hl) ; Load it into ...
    Matt_B Matt_B May 2006 Development
  • Fastest Baud Rate On A Loader ?Following on (sort of!) from the thread about the best loading.... Which game(s) had the fastest (highest baud rate) ? I seem to remember a couple …

    ... bit, 8 bits to the byte, load each byte into RAM.

    Laser Laser October 2007 Games
  • Development IDE collaborationI was wondering if other people making development IDE's (MetalBrain, LCD , Claus Jahn and Carlinski as far as I know) would be interested in combini…

    ... types (masked, or-1-byte, or-2-byte, load-1-byte, attr only, etc ...
    Alcoholics Anonymous Alcoholics Anonymous January 2008 Development
  • Milk, No SugarA few people were asking about this vertical shooter at Replay, and I'm not sure if TMR found time to load up the WIP demo over the course of the wee…

    ... if TMR found time to load up the WIP demo over ... and it refused utterly to load [b]Byte Me[/b] at all ... got something to actually bloody load, i tended to leave it ... Sunday and i left [b]Byte Me[/b] running under emulation ...
    TMR TMR November 2011 Brand new software
  • NaveI found a game called "NAVE" by Lusitania Software Authors: Laurindo Sobrinho, Lucio Quintal, Tony Sobrinho Release date is 1990-91 The message langu…

    Well, that could be a perfect TZX of an imperfect game, no? ;)

    Anyway, it sits looking to load 1 byte (with flag and parity, that's 3 bytes) with the level number, but I can't seem to be able to fool it into going any further.
    lfaria lfaria April 2012 MIA/STP/SDP
  • Why were there no SN76489-based sound interfaces for the Speccy?I’ve been wondering for a while now why there were no SN76489-based sound interfaces for the Spectrum. Does anyone here have an explanation? There…

    ... 32 cycles to write a byte to this part. To interface ... is done its 32 clock load. It looks like the memotech ... an OUT to write the byte to the 74ls374 and the ... to get the SN to load the byte. With that arrangement you ...
    Alcoholics Anonymous Alcoholics Anonymous October 2015 Hardware
  • ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …

    ... reset" input

    Load data byte into shift register
    Signal ...
    1024MAK 1024MAK July 2017 Hardware
  • Thought this would be simple... Z80Hi Folks, Started to read "Beyond simple BASIC, Delving Deeper into your ZX Spectrum" by Dilwyn Jones. This is a great book and I came across the…

    ... />
    ld de,$0020 ; 32 byte constant
    ld a,(YCOORD ... /> PAINT_CHAR ld (hl),c ; Load ATTR byte in to address HL
    Paddy Coleman Paddy Coleman September 2017 Development
  • TZX/Taper headachesI've been doing a stocktake of all my Spectrum stuff, most of which I bought in a job lot a few years back, and there's a whole load of covertapes in…

    ... 't complete, and won't load even with any kind of ... respectively. The turbo blocks each load one byte, and these are missing ... +2B - and these two one-byte turbo blocks [i]appear[/i ... is, for those two one-byte blocks. MakeTZX knows that they ...
    The Mighty Dopethrone The Mighty Dopethrone May 2019 Games
  • ROM emulation in softwareHi, first of all -- I only have shallow / uni knowledge of hardware, electronics, and physics. So forgive me for asking things that are out of that …

    ... reset" input

    Load data byte into shift register
    Signal ...
    tstih tstih January 2020 Hardware
  • A "generic" loader for +3(e)I've made this loader for 128k games in +3DOS. [CODE]dos_open equ 262 dos_close equ 265 dos_abandon equ 268 dos_read equ 274 dos_write equ 277 dos_s…

    ... to load
    ; The format of this list is:
    ; 1 byte ... 1 ; RAM 1
    dw 49152
    dw 14729
    db ... 3 ; RAM 3
    dw 49152
    dw 14819
    db ... 4 ; RAM 4
    dw 49152
    dw 14555
    ... 6 ; RAM 6
    dw 49152
    dw 9497
    ...
    Zup Zup December 2013 Development
  • Xark does not loadXark does not load on many emulators (e.g. Klive, Fuse, FBZX Wii) both with speed load routine and normal mode. [url]http://www.worldofspectrum.org/…

    Xark does not load on many emulators (e.g. ... , FBZX Wii) both with speed load routine and normal mode.
    byte error since the ROM expects ... /> Any idea why some emulators load and others do not?
    Oibaf Oibaf May 2014 Emulators
  • A sped up pixel-shift routine for 1-byte–wide spritesHere’s an optimized (for speed) real-time sprite shifting routine for sprites that are one byte wide. It uses no memory variables for storage of inte…

    ... never oversteps the 256-byte boundary. If that’s ... ld c,(hl) ;load C with first byte
    inc l ... ;advance to next byte (make sure sprite data ... no shifting was necessary; load B with sprite data ... ,h ;else, load A with high byte of screen address ...
    Ast_A_Moore Ast_A_Moore February 2017 Development
  • Is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of fileHi, is there a way to suppress error R Tape Loading Error in Basic when trying to load only part of file. E.g.: I have a Tape-Code-File Start f…

    ... Basic when trying to load only part of file.< ... . Now I want to load this into Spectrum Memory with ...


    [code]LOAD ""CODE 16384,6912[/code] and ... load only the first 6912 ... in the Tape-File from Byte 6913 to 7000.
    ...
    Luzie Luzie September 2017 Sinclair Basic
  • New Utility ZXSTLC[b]New Utility ZX Spectrum Tape (& Disk) Loader Creator[/b] I made this utility to easily create tape and +3 disk loaders for my projects and have…

    ... |
    | ZXSTLC -b MAIN.BIN LOAD START
    |
    | where ... a binary SPECTRUM file to load - normally composed
    | ... layout)
    | LOAD is where to load the binary file ... /> | @ memory position 0xC000 (49152), even if the code is ...
    TomD TomD August 2020 Brand new software
  • Anyone for a hacking challenge ?I have to get the DSK version of Tomahawk to work. It uses the well-known Digital Integration "SECURITY CODE" lock just like in Bobsled, ATF, etc. Th…

    ...
    LD A, (40000) ; Load Accumulator with contents of 40000 ... always accesses the lo-byte first ie. looking ... the lo-byte, 8A is the hi-byte)
    ... we enter the lo-byte first!). Keep pressing ENTER ... br />
    Ahaa! Load the accumulator with the contents ...
    BadBeard BadBeard August 2003 Sinclair Miscellaneous
  • 128k Shadow Screen?When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without canc…

    ... /> The Z80 reads the first byte of bank 5 by reading ... 't access it via Memory[49152], instead it just gets it ... the ULA can load a screen attribute byte and a byte of pixel ...
    Unique Unique February 2005 Development
  • 128k Shadow Screen?When emulating the shadow screen in bank 7 should that bank be switched into address C000? If so, what happens if bank 7 is switched out without canc…

    ... /> The Z80 reads the first byte of bank 5 by reading ... 't access it via Memory[49152], instead it just gets it ... the ULA can load a screen attribute byte and a byte of pixel ...
    cyborg cyborg February 2005 Development
  • Ways to use double buffering in basicI was meddling with woody's print stream code where you can print characters at any pixel location on screen. I was playing with 12 sprites, very ann…

    ... $ in ramdisk, then load code it at 49152 after switching banks, but ... it does not work. Apparently LOAD ... but allows you to, eg, load up a screen$ and then ... memory banks required for each byte copied.

    A specialized ...
    Alcoholics Anonymous Alcoholics Anonymous November 2006 Sinclair Basic
  • IF2 Rom snapshot creationHi, is it possible convert a Speccy 16k snapshot to a Interface 2 Rom file? I've the original Ultimate Pssst, Cookie, Trans-am and Jetpac tapes and …

    ... , CALL $0DAF (CLS) and $0556 (LOAD). However, the first two routines ... br /> [CODE]
    #define DEFB .BYTE
    #define DW .WORD
    byte header
    XOR A
    SCF
    CALL $0556 ;load in ...
    DEFM "SAVE rom CODE 49152,16384"
    DEFB $0D+$80 ...
    Jimmy Jimmy April 2008 Emulators
  • '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…

    ... url]

    Instructions: Load the snapshot, and press any ... />
    1000 REM convert byte in 'n' to binary digits ... digits in array b() to byte 'n'
    2010 LET ... page second screen in at 49152)
    6010 LET n= ... i=0 TO 6911: POKE 49152+i,PEEK (16384+i): ...
    Digital Prawn Digital Prawn August 2008 Sinclair Miscellaneous
  • '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…

    ... SAVE! to the ramdisk and LOAD! to the right memory area ... 16384 to BANK 7 at 49152 run at a realistic speed ... was a read/write 2 byte system variable which pointed to ... would clearly be 16384 and 49152. The ROM would then use ...
    Digital Prawn Digital Prawn August 2008 Sinclair Miscellaneous
  • Simple text compressionI just checked one idea about text compression. Do not take it as recomendation but rather as info which can you save some time when you are solving …

    ... a leaf node: 1st byte = 0; 2nd byte = char/symbol
    ... branch node: 1st byte is a node (not byte!) offset to ... HL, 49152 ; (Comment out once DEBUG complete)

    ; Load Number of ... to read
    CursorMsk: .byte 0 ; Bit mask position (a ...
    BloodBaz BloodBaz May 2009 Development
<1234567…34>

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HitBox

Word Docs Hits
load 29K 41.7K
49152 484 767
byte 7.3K 15.2K

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