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  • Spectrum vs C64 faked sales figuresOn ITV's 'the Chase' 29th January 2018, there has been another speccy reference. I missed it live so have just downloaded and checked it. The ques…

    ... America (especially when you consider CP/M).

    She could ...
    ZX_Steve ZX_Steve January 2018 Sinclair Miscellaneous
  • Keyboard reading questionOkay, here's a weird one. I have to elaborate a bit: In the 90s I coded quite a lot of stuff, but I haven't done so in 20 years. There was a hidde…

    ... ) - read contents of port
    CP A0 - compare with A0 (binary ...
    XTM of TMG XTM of TMG March 2018 Assembler
  • New Game: Behind Closed Doors SevenNow available from Zenobi Software... yet another conversion to 8-bit formats of one of John Wilson's new Adventuron games... this time it's Behind C…

    ... available for Speccy & Amstrad CP/M. Like all of John ...
    Strident Strident September 2018 Brand new software
  • Manic PietroHelp Pietro on his journey, thought 20 different brand new levels, based on some of our favorites 8 bit games. The brave souls that can finish thi…

    ... spectrums, coded on C using z88dk with multicolor effects thanks to ...
    cgonzalez cgonzalez February 2019 Brand new software
  • Help With infinite music on 128KHi :) I'm trying to play infinite simple music on 128K , but i don't know what is wrong with the loop I tried this routine but doesn't work I…

    ...
    ld a,(hl)
    cp $FF
    jr z,endMusic ...
    cp $FE
    jr z,jumpNotes ...
    maeloterkim maeloterkim July 2019 Development
  • Speccy ABIMost compilers, and assemblers produces some sort of intermediate code. So I was just wondering, if -besides the binutils COFF- there is a standard …

    ... , and object files. What do z88dk, sdcc, pasmo, etc. use ...
    tstih tstih August 2019 Development
  • lcc z80Reading through Hansen and Frasier's "A Retargetable C Compiler: Design and Implementation" ( plenty of time on public transport ) about the lcc comp…

    ... breed for Speccy (i.e. z88dk and sdcc)? Any of these ...
    tstih tstih October 2019 Development
  • why am i getting b integer out of range in this code?ive tried running this in spin but thats what i get [code]main org 40000; ; We want a black screen. ld a,71 ; white ink (7) on black paper (0…

    ... 's the current value?
    cp 31 ; is it at the ... 's the current value?
    cp 4 ; is it at upper ... 's the current value?
    cp 21 ; is it already at ...
    digital digital June 2020 Assembler
  • this code wont give me a random starfieldim using a peice of code that ive copied from a book, ignore most of it as it is redundant. for some reason i get a strange random starfield instead …

    ... 's the current value?
    cp 31 ; is it at the ... 's the current value?
    cp 4 ; is it at upper ... 's the current value?
    cp 21 ; is it already at ...
    digital digital July 2020 Assembler
  • type in to learn about IM2I'm trying to mess around with learning about IM2 and I found a nice little article in Sinclair User September 1988, issue 78, Page 70-71 [url="https…

    ... HL
    inc (HL)
    cp (HL)
    jr nc, PRINT_TIME ... HL
    inc (HL)
    cp (HL)
    jr nc, PRINT_TIME ... , 23
    inc (HL)
    cp (HL)
    jr nc, PRINT_TIME ...
    andydansby andydansby July 2020 Development
  • uMIA: Backgammon V1.0 - Pi Software[b]Full Title:[/b] Backgammon [b]Also known as:[/b] [b]Year:[/b] 1982 [b]Company:[/b] Pi Software [b]Machine Type:[/b] ZX Spectrum 48K [b]Re-re…

    ... /> [b]Re-released by:[/b] CP Software (But not this version ... the version re-released by CP Software is from 1983. Proof ...
    Frankie Frankie October 2020 MIA/STP/SDP
  • sp1_cs, sp1_InitCharStruct, sp1_InsertCharStruct, sp1_RemoveCharStructHi all, Anyone knows how to use the these structs/methods? The idea is to create foreground objects (without going for removing strucs or validati…

    ... search both here and in z88dk forums, but nothing clear came ...
    amateus amateus January 2021 Development
  • z88dk SP1 z-order exampleHi, Z-order is a concept that is present since the beginning of videogames: in a 3d world, sprites that are far away of the camera are drawed behi…

    Hi,

    Z-order is a concept that is present since the beginning of videogames: in a 3d world, sprites that are far away of the camera are drawed behind the ones closer to the camera. This concept can also be applied to a 2d world, if we're ...
    amateus amateus January 2021 Development
  • z88dk SP1 Background animations the right wayThere are a few ways to animate background tiles. The most common is to just print the characters with PrintAtInv in the same position to achieve it,…

    There are a few ways to animate background tiles. The most common is to just print the characters with PrintAtInv in the same position to achieve it, but this has a lot of overhead.

    A more optimized way is to print a tile outside the main ...
    amateus amateus January 2021 Development
  • z88dk sp1 Scene EditorHi, I've been developing for the last couple of weeks a scene editor (tile editor + scene tile placement+ export to c sp1 compatible) to aid me in…

    Hi,

    I've been developing for the last couple of weeks a scene editor (tile editor + scene tile placement+ export to c sp1 compatible) to aid me in my projects. Reason for this is that I felt the need to have a visual tool that allowed me to ...
    amateus amateus January 2021 Development
  • Textured Scanline Flood Fill for ZX Spectrum 48KPity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the…

    Pity that it's quite hard to contribute code to WoS in a straightforward manner. Recently, I have created a textured/hatched fill M/C routine for the ZX Spectrum 48K. It was for a text/graphic adventure I'm working on. The algorithm is based on [url="http ...
    Volker Volker February 2021 Software
  • Superchess 3.5 (CP Software / Deep Thought, 1985)Although we have the box for this version within the Sueprchess3 entry, we don't seem to have the file itself. This version allows you to set the CPU…

    Although we have the box for this version within the Sueprchess3 entry, we don't seem to have the file itself. This version allows you to set the CPU time limit to between 5 and 999 seconds, rather than having 10 skill levels as per convention, and can be ...
    MartinUK MartinUK March 2021 MIA/STP/SDP
  • How to write a simple game in C+asm.This is just a link to an old post in Development, about a post of making a simple game in C for the Spectrum. It was suggested that this thread shou…

    ... -asm-horizontal-scrolling-game-tutorial-z88dk/p1

    If you ...
    Timmy Timmy April 2021 C
  • Were the full Sinclair Loki specs ever actually known?I was just curious. A lot was leaked to the media, but the exact specs seem different depending on source. Some say it could support up to 512x256 an…

    ... man's PC, and taken CP/M into the future.... Did ...
    cj7hawk cj7hawk August 2021 Hardware
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Latest Posts

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