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<1…13141516171819…34>
  • A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…

    ... timer and "o" exits to basic.

    For this program ...
    Alcoholics Anonymous Alcoholics Anonymous June 2016 Development
  • Leading Zeroes on a Score in BASICI'm trying to print the score with leading zeroes such that it's always 6 characters wide, i.e.: 000010, 000150, 006100 etc. I quickly knocked thi…

    ... ok, i'm not using basic too much ;] so someone might ... /> EDIT:
    ok, one possible optimization is to move "STR$ s ...
    ub880d ub880d July 2016 Sinclair Basic
  • Some Graphic Coding & Audio help.Hello my fellow WoS'ers I am in the process of writing some code for graphical purposes - I have Z88DK raring to go but I do not know how to take…

    ... [b]***[/b]

    The basic unit of extraction from a ... short write-up specifically about optimization here:
    http://www.z88dk ...
    Alcoholics Anonymous Alcoholics Anonymous September 2016 Software
  • Running out of fingers in AssemblyDear all, Still trying to learn Assembly and have put a few routines together. However, as my routines become a little more involved I find myself…

    ... point out that thinking about optimization comes later, but there's ... they work. Compared to BASIC, and particularly Sinclair BASIC, machine code is ...
    AndyC AndyC September 2016 Development
  • Optimized (in size) Z80 simulatorI am evaluating Z80 simulators to try to create a tool to analyse z80 programs. I'd like to start with a simple register coverage tool and t-state cy…

    ... 't use these kinds of optimization itself.
    4) That should ... IX value (for example, from Basic). But not if it sets ...
    tstih tstih September 2016 Development
  • The trouble with good code isLots of times I've come here to ask for help and always got it pretty promptly. Which is wonderful and one of the reasons why I don't think there's a…

    ... because of a process called "optimization". When you do a complex ... . Every step you take into optimization is a step far from ... if there is a good BASIC debugger.
    Zup Zup May 2017 Chit chat
  • What if...Just out of Friday's curiosity -- was there a ZX Spectrum emulator for Sinclair QL? Could there be one? Would it make a difference if there was one i…

    ... 11 cycles. With best table optimization we'd still need more ... in ROM (that would make BASIC programs faster), but almost any ...
    Zup Zup May 2017 Emulators
  • endless runner project..So I'm thinking of writing a small tutorial series on writing games for the speccy in C, and figured that an endless runner would be an easy example …

    ... than there are in Sinclair Basic, for example.

    & ... 's super slow at high optimization levels.

    So ... never happened to me with Basic... And you have buffer overflows ... sort of thing in Sinclair Basic in the recursive DEFFN functions ...
    Alcoholics Anonymous Alcoholics Anonymous May 2017 Development
  • Beginner's z88dk help rqdI'm struggling to get my first z88dk C program to compile. My program is this: #include <spectrum.h> int main() { zx_border(INK_BLACK); } …

    ... read because it will be basic C. But I think it ... -allocs-per-node200000" selects high optimization for zsdcc.

    The ...
    Alcoholics Anonymous Alcoholics Anonymous June 2017 Development
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... a certain amount of "de-optimization" which reduced power load requirements ... Issue D solution was "de-optimization" (ie the removal of power ... it undermines too much the basic "as sold" Opus Discovery "proposition ...
    harriusherbartio harriusherbartio July 2017 Hardware
  • Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …

    ... thoughts on this:-
    The basic Characteristics of the Opus Discovery ... other new Spectrums. This early "optimization" was broadly based and it ... a limited time period this Optimization worked well. But later with ...
    harriusherbartio harriusherbartio August 2017 Hardware
  • Z80, and 6502, in comparisonI was wondering about how each of these compared in terms of performance. The Commodore 64 had a 6502 @ 1MHz, and graphics processor VIC which took …

    ... ...
    The same type of optimization could be done for machines ... support to the MC-10 basic yet), they are performing the ...
    JamesD JamesD February 2019 Hardware
  • Why not more interest in C?Just curious. Not trying to provoke anything other than a discussion here. It would seem (to me) that it would be better for "Z80 beginners" to wr…

    ... compiler works aswell. Like with basic i assume the z88dk compiler ... problem is that good C optimization really wants as many registers ...
    AndyC AndyC April 2021 Updates
  • More "What could have been"... The Z280.So in chasing up the Loki specs, I happened upon some parallel developments... And had Sinclair gotten to make the Loki, there could have been some i…

    ... compatibility with the original Spectrum... Basic games would still run. The ... to the pipelined architecture and optimization, but it would still make ...
    cj7hawk cj7hawk September 2021 Hardware
  • Currah MicroSourceThis is an interesting one for the experts to mull over. I've got (and love) a MicroSource interface from Currah which consisted of an 8K ROM provid…

    ... providing assembly (excellent), forth (v. basic) and debug facility.

    Chris Chris August 2001 Emulators
  • zx32: cursor keysAre the cursor keys emulated on zx32? I ask because i want to select the 128k Basic option from the opening menu in Spectrum 128 mode, but when I pre…

    ... want to select the 128k Basic option from the opening menu ... how do I select 128K basic in zx32?
    Spector Spector July 2001 Emulators
  • Idea about improving EmulatorHi, I got a bright idea today how to improve such excellent emulators a bit more. Okay, disassemblers are available in nearly every one new released …

    ... how about a build in Basic compiler (much like HiSoft Colt ... and bit-test, or HiSoft Basic 1.1)?
    In fact ... compiler. The extended basic could base on Beta Basic, Laser Basic (Laser Compiler ... was lame) or Mega Basic and can include extra commands ...
    LCD LCD April 2001 Emulators
  • How do i learn to programAll the years i had a computer the only one i could program was the Texas Instruments Ti99/4a and when using extended basic with its so simple sprite…

    ... /4a and when using extended basic with its so simple sprite ... wasnt very good with speccy basic as well all this peek ...
    Andy Gurr Andy Gurr January 2002 Games
  • Head Coach - where can i find it to download?Does anyone remember a game for the spectrum , called Head Coach? It was a very simple coaching american football game, and was very basic, and very…

    ... football game, and was very basic, and very addictable! I need ...
    Matt Matt December 2001 Games
  • inRetroSpectIf any1 is interested I have made my Speccy Database program (inRetroSpect) available to any1 who's interested!! It's available at: [url]http://www…

    ... /> It's at its most basic point for a release at ...
    Chris Chris December 2001 Games
  • Interface for PC ZXSee last entry of former TOPIC. I'm working on the interface. Info about it on MISCELLANEOUS Author: Arjun (---.bng.vsnl.net.in) Date: 08-13-01 …

    ... ever program was TI extended Basic on the TI99 4A...i ... that on pc,,,TI extended Basic language...any chance you could ...
    Dr BEEP Dr BEEP November 2001 Games
  • moneyWhen i was younger and writing speccy games in basic with the occasionaly machine code subroutine, i used to dream of writing a hit game and making a…

    ... and writing speccy games in basic with the occasionaly machine code ...
    neil neil September 2001 Games
  • What's this racing game?Hi 2 everyone who likes Spectrum. Does anyone know what was the name of this RACING game. It was 2 words i'm pretty sure. It used the ZX Spectrum ba…

    ... . It used the ZX Spectrum basic font (you know what i ...
    Martin Martin September 2001 Games
  • OmegaAnybody know where I can get a version of this game once played on Spectrum? White lines on blue background. Build your own Robots and send on task t…

    Anybody know where I can get a version of this game once played on Spectrum?
    White lines on blue background. Build your own Robots and send on task to disarm reactors on a ship. Basic but fun.
    Thanks
    Steve Newport Steve Newport September 2001 Games
  • How did people program GamesI have been wondering how people wrote games. Did they use basic and just type in to the spectrum interface and save it. Or did they use assembler, a…

    ... wrote games. Did they use basic and just type in to ...
    Duxbuz Duxbuz August 2001 Games
  • Spectrum +3 tape to discHi I have ZX Spectrum +3 and about 20 blank disks, I need to know if there is a way to copy games from tape to disk i.e a basic program I could write.

    Hi I have ZX Spectrum +3 and about 20 blank disks, I need to know if there is a way to copy games from tape to disk i.e a basic program I could write.
    Steven Banner Steven Banner February 2002 Sinclair Miscellaneous
  • Thanks for the memories... is it 16k or 48k? Hi. At three different flea markets in Gothenburg, Sweden I found just as many Spectrums... (and a ZX81! [img]/__forums/images/smiles/icon_smile.gif…

    ... RAM-memory?

    Most basic-dialects has commands for that ...
    Lars Lindblad Lars Lindblad January 2002 Sinclair Miscellaneous
  • Anyone Recognizes This Loader?Hi there! I live in Argentina. I have a -dead by now- CZ Spectrum (a ZX clone made by an argentinian company, Czerweny, which used to make... Excell…

    ... headers):

    A single BASIC loader (no assembly), which LOADs ... . The last sentence in the BASIC loader was invariably RANDOMIZE USR ...
    Marcelo Marcelo November 2001 Sinclair Miscellaneous
  • AY musicThis is a format I'm proposing for an AY music player. If anyone can see any problems or anywhere it can be improved please say so. An AY music form…

    ... music is intended. As the basic structure doesn't change it ...
    cyborg cyborg October 2001 Sinclair Miscellaneous
  • ZX48k terminal...Hello everybody, I thought someone might help me. I connect my good old ZX48k to my PC via serial (IF1) link, and I was trying to write a little term…

    ... a little terminal program in BASIC.
    Can anyone tell me ... /> need to consider how slow BASIC is)
    open a stream ... print it out.
    in BASIC:

    10 format "t ...
    Alessandro Tommasi Alessandro Tommasi October 2001 Sinclair Miscellaneous
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  • Fixed Speccy Software. And which games remained unfixed?
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