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Hover Droid (1987) - instruction, hack, easter eggA little information about this game: Keys: N move left M move right A fly mode on/off Z activate "A" or "B" object $B7F1,00 unlimited live…
... compiled BASIC program (compiled by "Floating Point Compiler").
The ... -
Whatever Happened to The Type Fantastic?"Tomorrow's almost over, Today went by so fast, That's the only thing to look forward to - the past." Over the best part of this year the contri…
... have to use either the bus, which is free but takes ... -
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 spectrum rom has a floating point calculator (RST #28) but ... -
problem with symbol shift and caps shift key combinations on multilayer keyboard membranesHello, I know, it is generally know that some ZX Spectrums with multilayer keyboard membranes have problems with some key combinations. Typically …
... , on devices connected to address bus (electrically signals are loaded just ... -
Lets hear it for the USBOf all the numerous improvements that have been introduced over the years - some of which like Bluetooth I have never used (at least knowingly) - th…
... key word I suppose, is BUS. I doubt if one could ... -
Anti "manspreading" chair gets award.[img]https://images.immediate.co.uk/production/volatile/sites/3/2016/08/113961.jpg?quality=90&resize=620,413[/img] Margaret, come and take a look …
... when you are on a bus or on a narrow sofa ... -
DCP Interpacks - New Old Stock Still Available (Limited)!We rarely see New Old Stock of interfaces for ZX Spectrum appear - Never mind Still being on sale from the 1980's! https://dl.dropboxusercontent.c…
... logic output port
• DCP Bus for expansion (to connect 2 ... - screw wire terminals
• DCP Bus for expansion
It is ... for TURTLE projects)
• DCP Bus for expansion
SpecBAS 0.970 now available!Ok, it's time for an update, and we're at 0.970 now! New for this update: Huge amount of fixes in how numbers are printed, and how they're used in…
... NEXT loops - no more accumulated floating point errors!
The ...New Version of MAME Emulator out with enhancements on Spectrum-EmulationNew Version 0.216 of MAME Emulator out with enhancements on Spectrum Emulation: [url="https://www.mamedev.org/?p=476"]https://mamedev.org/?p=476[/…
... been enhanced with better open bus read behaviour and support for ...GZX 2020.1 ReleasedHi, I just released [url="https://github.com/jxsvoboda/gzx/releases/download/v2020.1/gzx-2020.1.zip"]GZX 2020.1[/url]. [youtube]3AOQETbfrPA[/yo…
... Tirnanog menu)
[*]Partial idle bus emulation (fixes hang in Renegade ...Selling most of my Spectrum games.I've decided to sell off most of my Spectrum games and some hardware, but for now here's the games I want to get rid off. Ideally I would like to se…
... /> Starglider (Rainbird)
Starquake (Bubble Bus)
Starstrike 2 (Realtime Software ...Direct drive LCD screen - looking for information on previous projects people may have attempted.Hi All, My first post, so please forgive and guide if I've posted in the incorrect section. I'm a speccy user from way back in the 80's, but m…
... supply supplying power to the bus directly, and the cost to ...zx spectrum 48k issue 6A boot fail- black paperohh whats wrong with this poor specie .. boot fail,, border white & paper black .. when reset it shows the red lines to indicate that the CPU is cycl…
... is that it is data bus problem not addressing so unlightly ...The Ice Temple AKA and a series(?)The game [url="https://worldofspectrum.org/archive/software/games/brainstorm-bubble-bus-software"]Brainstorm[/url] may be the first of at least two g…
... /archive/software/games/brainstorm-bubble-bus-software"]Brainstorm[/url] may be ... /games/the-ice-temple-bubble-bus-software"]The Ice Temple[/url ... .org/archive/publishers/Bubble-Bus-Software"]Bubble Bus Softare[/url].
Matchpoint ball algorithmAnyone has any idea how Psions Matchpoint ball algorithm works? Are they calculating the balls' parabola (floating point for just the ball doesn't se…
Anyone has any idea how Psions Matchpoint ball algorithm works? Are they calculating the balls' parabola (floating point for just the ball doesn't seem that calculation intensive) or do they use a known/common trick?specie external keyboard - revision one -[img]https://photos.app.goo.gl/pqeYpXnLqTwYkLvKA[/img] revision one of my external keyboard ... wow it actually worked after a little bit of crash…
... erratic values from the data bus lines, as i thought that ...boot fail .. bad address lines A7,A12,A13anybody have any ideas what could be wrong with this specie issue 3B .. work done : removed rom, upper ram & logic put lower ram multiplexers in sock…
... all the data & address bus lines from cpu on ward ...Missed opportunities in the 80'sAll the talk of the Loki got me thinking... What if someone had built an expansion box for the speccy that had the 3812 Yamaha music chip ( Adlib Sou…
... base to add a S100 bus, or similar. After all, all ...New release of ZEsarUXFound today by chance on: [url]https://github.com/chernandezba/zesarux/releases/tag/10.1-13122021[/url] [quote]ZEsarUX-10.1 Beta1 Pre-release che…
... setting to change ULA Data bus value
Added showing microdrive ...Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…
... . Not gonna do anything like floating buffer polling though to draw ...slomoIn Crash magazine issue 10 page 118 there is an advertisement for a hardware add on for zx spectrum that can slow it down by using calls to the bus.…
In Crash magazine issue 10 page 118
there is an advertisement for a hardware add on for zx spectrum that can slow it down by using calls to the bus.
does any spectrum emulator has this add on emulated?Exact emulation of the Snow effectAs the original post on another forum is outdated, and for those who don't know about that forum, I duplicate this info here: At the beginning of …
... the ULA on the address bus. In the course of my ...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 …
... the complexity of Basic and floating point arithmetic, just look at ...Daft Software Company NamesCan anybody think of any more for our list? [img]/__forums/images/smiles/icon_wink.gif[/img] hehe Understanding Ltd. Flowchart Ltd. Sneesby Software…
Design Design
Imagine - the name of the game
Bubble BusGetting the ball rolling againOkay things have been a bit stale in comparison to what this forum used to be like. Too many fallouts and it is getting harder to think of new threa…
... , starring Emlyn Hughes as a floating head-in-a-square on ...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…
... really) or maths (as the floating point stuff in machine code ...That Nostalgia ThangI was bored sitting waiting on a bus the other day and it was bucketing down with rain. As it does in gloomy situations like that, my mind started t…
... chips n gravy from the bus station chippy and in there ...
