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Machine code optimisationI'm geting back into z80 coding and wonder what the best way of showing how efficient the code is. I've got Rodney Zaks book and see there are timin…
... back?[/QUOTE]
In addition to your suggestions, download ... . There's also examples in there of how to pass strings ( ... a000tempmc.asm]Ten Bouncy UDGs in Assembler[/url] listing which ... users.globalnet.co.uk/~jg27paw4/type-ins/zx-comp/mccalc.zip]ROM ... -
GAC Tutorial Started!Hi all. I have a Youtube channel where I play old games and such. I also do a few programming tutorials. I have recently added a Graphic Adventure Cr…
... QUOTE=sentient;721409]@ Timmy, Your adventure design sounds interesting, I'd ... you don't have to type it in.
[CODE]< ... /> *desc "You are standing in front of a castle. Unlike normal castles ... ."
7 "A pool of milk. Unable to determine how ... -
Machine code/Assembly language back in the dayHello. Back in the 80s when I was a kid, I didn't learn Z-80 machine code, but I was always curious about it. Just recently I decided to explore Z-…
... is that different than a ZX Spectrum with say an Interface ... ROM cartridge? Or a Multiface-type interface with an assembler firmware ... . And you could install several of them (up to 8 or ... one makes a big difference in terms of what they could achieve ... -
Best Demos please?Hi, I have just discovered how good the demos for the spectrum are, I have been a spectrum owner for years but apart from the work I used to look at …
... -related. You can sort ZX Spectrum demos by their popularity ... of titles:
[url]http://www.pouet.net/prodlist.php?type ... [0]=demo&platform[0]=ZX+Spectrum& ... up to 640k of data.
In terms of compatibility with the ... -
This is Tritone (new beeper music compilation)A Battle of the Bits music compilation! All made by nix./site, brightentayle and, most importantly, TK90X Fan! \ ^_^ / All the songs in here use a b…
... . Because all of the demos of the "one-screen" type I saw from ... be somewhat particularly interested in informing of my ZX preferences, but only because ... I was spoken of, in the first ... -
Type In Adventure....With a "sage"?I remember as a kid getting a book from the library. One of those type in adventure book thingys... I vaguely remember an adventure with a sage in a…
... actually possible to have a type-in text adventure without revealing a few ... , as in [url=http://www.users.globalnet.co.uk/~jg27paw4/type-ins ... [/url], published in the Aug,Sep'85 issues of Your Spectrum magazine ... -
Getting aquainted with the IF1bisToday, fifteen days after dispatch, the IF1bis arrived at my door. In perfect order. No customs, no TVA and no handling fee involved. The arrival of …
... to the ?Extended BASIC? of the Sinclair ZX Interface 1, both at ... command and hook-code level, in respect of microdrive storage operations, and ... *2;"tempcode"CODE 5799
81 REM #######################
100 OUT 127 ... -
Speccy Christmas MemoriesGiven the time of year, I was getting a bit nostalgic for Christmases past - and in particular for the ones that really meant something - when I was …
... was a book of BASIC type-in games for the ZX Spectrum. I remember ... a look of horror on ... there was no computer in the rest of them.
I ... finally three cassette boxes full of (copied) games that my dad ... -
Speccy Christmas MemoriesGiven the time of year, I was getting a bit nostalgic for Christmases past - and in particular for the ones that really meant something - when I was …
... was a book of BASIC type-in games for the ZX Spectrum. I remember ... a look of horror on ... there was no computer in the rest of them.
I ... finally three cassette boxes full of (copied) games that my dad ... -
Something you seen the spectrum do that impressed you?It can be coding related, graphics etc.... From me... Turbo loaders, graphic masking, the last of the lerm tape copier coding that could do speedloc…
... that fab "EXPLODE!" type in by Thurstan Felstead in YS??... I remember ... had me listening for hours in awe...
- Decent ... ...
- The latest round of Tritone beeper pieces (eg: STROBE ... this with the future of the ZX in mind, designing it Open ... -
Need Help Finding a BookPerhaps a slim chance, but im wondering if anyone else remembers a particular book. This book i think was in hardback. I borrowed it from my local li…
... . Particularly the 'Write your own Adventure Programs' & 'Silver Mountain' ... adventures. (I even sent one of my own creations to Derek ... Brewster of Crash magazine for him to ... anyone here ever attempt to type in the code and get the ... -
C+VG Type InOdd one. I'm after an old issue of C+VG or a listing of that had a type in adventure game called "The Sultans Curse" I remember it at the time as i…
... issue of C+VG or a listing of that had a type in adventure ... type in, however I'd like to see it again with thoughts of ... Wasnt in C+VG... The type in for this game appeared in Computer Gamer ... published by Argus Specialist Publications in 1985 :)
... -
Math Quiz - MultiplicationThe topic is fast multiplication routines, from 8x8 to 32x32 and all points in between. These functions sit underneath floating point libraries, gen…
... to platform games on the zx spectrum -- I'm ... world, which includes tens of millions of legacy z80 embedded systems ... community, there is interest in internet peripherals and mass ... performing file conversion-type activities. Out of that has sprung things ... -
The Spectrum Show 26Yep, it's that time again. This months show is now live and waiting for you. In this episode I take a look at the news from March 1985. I look at lo…
Nice one once again.
Amazingly, I'd played all of the games reviewed (apart from the type-in).
At one point I did question why I was watching someone play a text adventure, but it was OK I guess..! :lol: -
IF1Bis problems. The Edge of the Spectrum...Advice is sought from the learned on WoS. I just bought an Interface 1Bis from sunny South Africa. It arrived fast, but unfortunately doesn't work.…
... . I've spent most of today (Sunday) walking through ... original 48k+, with none of this extra 80k malarkey ... 3 active), using the type in loader and a USB ... happened is that one of the ROM transfers actually ... It required a regular ZX Spectrum to replace the ... -
dumping protected BASIC loadersI wrote this a few weeks ago but forgot to post it. It will load & list from tape/TAP/TZX any BASIC program which has been saved with SAVE, including…
... afternoons typing extremely long listings of BASIC and lines and ... machine code at the end of BASIC have always been ... Proyecto BASIC ZX[/url] is another page devoted to type-in listings. It ... it started to publish listings of other spanish magazines. Sadly, ... -
JP (HL) confusionokay.... JP nn will jump to memory address nn. JP (HL) ,I assumed would read the contents of memory address HL and jump to the location and be a gre…
... faster.
In the case of MatGubbins excellent example from ... ; my tile data is in multiples of 2... 2,4,6,8 ... points to the correct tile type
LD A,(HL) ... discussion is primarily about the ZX Spectrum, not the ZX81, ... -
How did you learn to code on the Spectrum?Got to be honest, as much as I wish I did, I don't know anything about programming. I had a Spectrum (+2 and then +2B) when I was a kid, and my prog…
... got a ZX-81 when I was at the tender age of 10 ... the life of me remember the title of, or find in the WOS ... />
We all understand information in slightly different ways, I know ... struggled with the basics of electrons/protons/neutrons in Chemistry, and by ... -
1984-2014here I will account for my journey through games released thirty years ago, just like last year for 1983 games, and you can do the same.
... in the last two days or so. So, a sloppy adventure can ... sloppy adventure can be good. Sloppily good. This is another one of ... almost nothing interesting in them [vastly better homes in [B]GZ[/B ... /> And what about the bugs? Type an unrecognized one-letter command ... -
RS232 on Spectrum 128KDoes anyone actually use the RS232 port on the Spectrum 128K? Is there anything useful that can be done with it? I know about the keypad with the Sp…
... br /> About the keypad, in the 128k editor and calculator ... input hex codes (like those in type-in listings).
... /> About MIDI, keep in mind that ZX Spectrum has a MIDI ... patch the timing loops of the ROM routines ... , but I know of a spanish user planning ... -
Worm Attack entry error[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0005756[/url] The entry for Worm Attack has two different games when you download and play the…
... .
I was reminded of the game by this ebay ... .uk/itm/Worm-Attack-Pulsonic-ZX-Spectrum-/120330358140?pt=UK_PC_Video_Games_Video_Games_JS& ... /> The Z80 file is the Type In game called Maggot by Jason ... -
How much would you pay for this FPGA clone?...given that a mint 128 goes for around ?125. [img]https://dl.dropboxusercontent.com/u/15659782/chloe280seboxed.jpg[/img] Features: [list] [*]100%…
... it may be of interest to Timex owners in Canada and the ... set of software.
[quote]If something is updated in the ZX ... prefer), and to choose the type of keyswitches and whether or not ... the boys from the men, in terms of product... The Fuze keyboard ... -
Unusual custom turbo loaders - with sourcesI have always been fascinated by turbo loaders; my games all feature a TZX version with one of such schemes implemented, and I have been experimentin…
... 1989 issue) as a type-in, this loading routine was ... loading[/URL]. It comes in four speeds: Normal (same ... room left until the top of RAM.
... /> PUSH HL
IN A,(254)
RRA< ... ="http://www.alessandrogrussu.it/zx/ML-test.zip"]Example ... -
Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …
... the PAPER of a cell without changing the bitmap. In my BasTRIS ... only have as a type-in listing from ZX Format!) I pre-printed ... -black attributes, then just POKEd in the attributes during the game ... loop (POKEing of the attribs is actually the ... -
Fast and easy read/write of attributes?What are the fastest or easiest ways to check the attributes of tiles on the screen, in BASIC? It seems to be a great way of storing object info. …
[QUOTE=ccowley;772405]In my BasTRIS proggy (which, annoyingly, I now only have as a type-in listing from ZX Format!)...[/QUOTE]
I think there's a copy of it included with BASin, but I might be misremembering. -
Dot crawl?Hi, As I'm rather new to the hardware of the spectrum, just to confirm: is this video showing "Dot crawl" ? [url]https://www.youtube.com/watch?v=_U…
... asked you on which type of Spectrum would you like ... clean the edge connector of the Spectrum+ as I ... For a "normal" ZX Spectrum when you are using ... the voltage regulators in most of my Spectrums to ... that modification helped also in this configuration... It would ... -
What if Sinclair had released a 16 bit Spectrum?Had Sir Clive not wasted his companies money on the white elephant that was the C5 and instead focused on competing with his rival computer manufactu…
... risk averse. Obviously the ZX-80, ZX-81 and Spectrum all form an ... product to develop, both in terms of the technological challenges and the ... lack of an obvious market for it ... they'd probably have been in business a lot longer. -
What if Sinclair had released a 16 bit Spectrum?Had Sir Clive not wasted his companies money on the white elephant that was the C5 and instead focused on competing with his rival computer manufactu…
... risk averse. Obviously the ZX-80, ZX-81 and Spectrum all form ... product to develop, both in terms of the technological challenges and ... The lack of innovation (and I mean innovation in producing mass- ... demise of the home market.
In other ... -
Test screens for ZX PrismNot sure that this is *really* the right section for this request, but it's relating to new hardware I'm developing so let's start it off here - a mo…
... ]
ZX Prism currently has 32K of video RAM (henceforth ... will also be of great use when working in "overlay" mode ... bits of data is used differently depending on the screen type ... and attribute decode method:
--> In the ... -
What if Sinclair had released a 16 bit Spectrum?Had Sir Clive not wasted his companies money on the white elephant that was the C5 and instead focused on competing with his rival computer manufactu…
... good strategy) - a sort of jack-of-all-trades machine (that ... third generation of such machines after the ZX-80 and ZX-81, and you ... Research couldn't have continued in that vein, making more ... that fixed the worst issues of their predecessors, while picking ...
