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Search Again :: Adv Search 422 results in 0.001s
<1…9101112131415>
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    and backwards:

    81 bytes fast:
    [CODE]
    drcs: ld de, $57ff
    ld bc, $fc03
    ; First step converts from RCS format DE = "x0x1x0R1R2c1c2c3 c4c5r1r2r3p1p2p3"
    ; to an intermediate format HL = " ...
    antoniovillena antoniovillena January 2013 Development
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    [QUOTE=antoniovillena;676569]and backwards:

    81 bytes fast[/QUOTE]

    Nice trick!

    However this new version can't be easily configured for 1/3 or 2/3 screen, so I still prefer your previous 83 bytes suggestion.

    Einar Saukas Einar Saukas January 2013 Development
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    Just do the same trick :smile:

    32221938 ticks instead 33652146

    Edit:

    I don't know the exact reason, but this code is 1 byte shorter (66 bytes) and twice faster: 18319448 ticks

    [code]
    drcs ld ...
    antoniovillena antoniovillena January 2013 Development
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    63 bytes:
    [CODE]
    drcs ld de, $57ff
    step ld l, e ; de= i, hl= j, bc= k
    ld h, d ; j= i
    ld c, l
    ld b, h ; k= j
    dow1 ...
    antoniovillena antoniovillena January 2013 Development
  • RCS (Reverse Computer Screen)[B]RCS[/B] ("Reverse Computer Screen", or simply SCR written backwards) is a small utility I'm about to release, that reorders bytes from the ZX-Spec…

    ... .wav -e %5 -o file.mem -c -1
    fcut file ... .mem 4000 1b00 file.scr
    ... file.rcs
    fcut file.mem %3 %4 file.bin
    del temp.wav file.mem file.scr file.rcs file ...
    antoniovillena antoniovillena January 2013 Development
  • Newbie Spectrum developer advice ....Hi, Im new to the site and to spectrum developing - well, not quite, I wrote Spectrum programmes in Basic 30 years ago but then went off into the wo…

    ... stuff to claw back some mem.. or perhaps you can use ...
    fog fog January 2013 Development
  • Problem with Page 7I've been experimenting with running code in page 7 (+3) from BASIC and I seemed to have got it sorted out but then it all went wrong. Firstly, I tr…

    ... 'll love it! SAM without mem expansion can page in only ...
    nuggetreggae nuggetreggae January 2013 Development
  • Problem with Page 7I've been experimenting with running code in page 7 (+3) from BASIC and I seemed to have got it sorted out but then it all went wrong. Firstly, I tr…

    ... 'll love it! SAM without mem expansion can page in only ...
    Dunny Dunny January 2013 Development
  • Disabling the +3 disk buffer; yes, but how?I would like to disable the +3 disk buffer in order to retrieve those 4K from the machine's RAMdisk. By reading the computer manual and some posts on…

    ... in the top 16K of mem. The extra 4K is dedicated ...
    nuggetreggae nuggetreggae February 2013 Sinclair Basic
  • Importing binary data to paged memoryI really could use some hint :) Many emulator have a feature - open/ import binary. I select the file, give starting adress and voila ! But most of…

    ... /> See the value at '128 Mem' field, in this example is ... the one taken from '128 Mem' field in the first step ...
    TK90XFan TK90XFan March 2013 Emulators
  • Sam CoupHello All I have been directed here by an avid enthusiast, after seeking some advice on a different, more petrol-orientated forum. Please be gentle…

    ... for less than that with mem+a better box.. guess I ...
    fog fog April 2013 Sales
  • Poke on +2 greyhi, should i poke 65535,0 or 65536,0 in the first case i get OK 0 but in the second one i get "B interger out of range,0:1" i am trying to load z…

    ... and this is the highest mem vaule that +2 can read ... maybe is related with high mem bytes

    to be ...
    xaris_sm xaris_sm May 2013 Hardware
  • Poke on +2 greyhi, should i poke 65535,0 or 65536,0 in the first case i get OK 0 but in the second one i get "B interger out of range,0:1" i am trying to load z…

    ... and this is the highest mem vaule that +2 can read ...
    ub880d ub880d May 2013 Hardware
  • 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…

    ... /src/ci/default/tree/kernel/mem/mem_seg.c#l173"]compiled code ... /src/ci/default/tree/kernel/mem/kmem.c#l307"]kernel allocator ...
    Alcoholics Anonymous Alcoholics Anonymous June 2013 Development
  • Why is the B Disk interface selling for so much on ebay?I often watch unusual interfaces that pop up on ebay, and I noticed that this B Disk interface just went for ?113: [url]http://www.worldofspectrum.or…

    ... also, and a chunk of mem is taken by the OS ...
    fog fog July 2013 Hardware
  • SAM Revival issue 24 now out![url=http://www.samcoupe.com] [img]http://www.samcoupe.com/2013/24.jpg[/img] [/url] It's about time... Yes, it's back! Yes, it's been a long time! S…

    Still no signs of SAM accelerator?
    By the way, I have a chance to buy a SAM Coupe. Is a BASIC compiler available for it, which allows to use PUT command and MEM$ function, and use more then 32K BASIC?
    Gott Gott July 2013 Announcements
  • SAM Revival issue 24 now out![url=http://www.samcoupe.com] [img]http://www.samcoupe.com/2013/24.jpg[/img] [/url] It's about time... Yes, it's back! Yes, it's been a long time! S…

    ... to use PUT command and MEM$ function, and use more then ...
    Quazar Quazar July 2013 Announcements
  • SAM Revival issue 24 now out![url=http://www.samcoupe.com] [img]http://www.samcoupe.com/2013/24.jpg[/img] [/url] It's about time... Yes, it's back! Yes, it's been a long time! S…

    ... to use PUT command and MEM$ function, and use more then ...
    Quazar Quazar July 2013 Announcements
  • SAM Revival issue 24 now out![url=http://www.samcoupe.com] [img]http://www.samcoupe.com/2013/24.jpg[/img] [/url] It's about time... Yes, it's back! Yes, it's been a long time! S…

    ... to use PUT command and MEM$ function, and use more then ...
    LCD LCD July 2013 Announcements
  • How to write self-relocating code using Pasmo?With z80asm, I can write code like this: [CODE] org 0 ; a total lie, but makes the reloc sums work .dest: equ …

    ... $0400,X // store at screen mem
    0902 INX // inc X ... // relocator now shifted to screen mem ($0400) ... start it
    090C ...
    fog fog August 2013 Development
  • Confounded DEF FNCan anyone see why this is going wrong? I've been tinkering with it since tea time and got nowhere. [code] 2 DEF FN t$(n,t,d) =STR$ INT (n/t)…

    Here's a way to get both the calculator & machine stacks included when you're calculating function memory usage in BASIC. Just put the DEF FN in 1001 and the FN call in line 1030.

    [center][img]http://www.users.globalnet.co.uk/~jg27paw4/ ...
    Battle Bunny Battle Bunny August 2013 Sinclair Basic
  • INTERFACE 2 - light versionSmall interface (adapter) compatible with INTERFACE 2. Contain only slot for IF2 cartridges and reset button (for rubber speccy). Not contain joystic…

    ... .speccy.cz/prodej/prodej4/mb02-mem.htm"]http://velesoft.speccy.cz ... /prodej/prodej4/mb02-mem.htm[/URL]

    Contain ...
    velesoft velesoft September 2013 Hardware
  • Fastest way to delete a folder?Sometimes ccleaner is enough on some computers I work on, sometimes shift+delete while using Windows or Ubuntu is enough, sometimes rd folder /s /q (…

    ... using the drive for virtual mem).

    you ever use ...
    fog fog September 2013 Chit chat
  • Squishing code up nice and small then unsquashing it in assemblyI refer of course to data compression. I've done a search and there are lots of good compressors, but I can't seem to find one that works in assembl…

    ... ? (~ 8.5kb free in low mem)
    and what does the ...
    Battle Bunny Battle Bunny September 2013 Development
  • I'm looking for a program that....thought it might be a good idea for a thread also I'm after something that does multiple search and replace, over multiple files..the text to search…

    partly does it, like more.. I could make a batch file and keep re-calling it , but I'd rather it just loaded it into mem once
    fog fog September 2013 Chit chat
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