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1st interface in 30 years (update)Hi all, Just a wee update to my "1st ZX interface in 30 years" project. Main IC's: 82C55 three 8-bit port I/O (configured for 12 dig in, 12 dig out…
... dig out)
PCF8584T/2,512, I2C Controller
DAC8574IPW - I2C ... -
Better arrangement for video memory?While doing some documentation work for the ZX-Uno project, I compared the advantages of the weird layout of the ZX Spectrum against a linear layout.…
... I remembered about the [I]hires[/I] mode of the Commodore ... makes one to think that hires mode is very similar to ... bitmap zone of the C64 hires mode is arranged in a ... -
Sinclair's Cancelled ProjectsDoes anybody have anymore info on any of these projects or are there any old Sinclair engineers on the Spectrum scene that could shed a little more l…
... ZX Microdrive and a new 512?192-pixel monochrome video mode ... -
How noisy are modern laptops?I get lots of complaints from the missus (doesn't surprise me - Ed.) about the noise from my netbook. The old machine is getting on a bit now so wan…
... at the Acer Aspire ES1-512. She won't be happy ... -
Loads of Microdrive cartridges on Ebay plus Vortex RAMI?ll be selling three bundles of eight Microdrive cases with four, used cartridges each, means 32 cartridges per bundle, here?s one of them [img]http…
... be an untested Vortex SP 512 RAM expansion with CPU and ... -
SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…
... . This meant that fonts were 512 characters in size, and made ... -
Double height text...<p>Is here any good routines for printing a font double height?</p><p>I've concocted this ridiculous routine but I'm sure it can be done much better.…
... )
x3 ld (16384+512),a
x4 ld ( ... /> x7 ld (16384+1024+512),a
x8 ld ( ... 16384+1024+512+256),a inc hl
x10 ld (16384+512+32),a
x11 ld ... /> x14 ld (16384+1024+512+32),a
x15 ld ... (16384+1024+512+256+32),aret
org ... -
Right Decision?Actually, this is something of a moot point because I've already gone and done it (for better or worse) but I'd just like some external validation..<…
... decided' that all the new hires were to start at this ... -
New version emulator ZEsarUX 3.1Hi I have uploaded a new version of my emulator ZEsarUX on http://sourceforge.net/projects/zesarux I have improved accessibility support, no…
... standard, 1 dual screen, 2 hires colour 8x1). Mode 6 (512x192 ... -
Opus Discovery - a Christmas taleBack in the day, when the ZX ruled the home computer market here in the UK, it suffered from 1 obvious problem: it lacked a fast mass media save/load…
... Master 128, a BBC Master 512, 2* Spectrum +3, 2 Amiga ... A500's, an Atari ST 512, a toastrack 128k and my ... -
Incompressible blocksOne idea I've been pondering about regarding Mackarel is incompressible blocks. If you have a game where you store some data in memory in compressed …
... 0.508 |++++++
0.512 |+
0.511 ... 0.518 ---|
0.512 ----|
0.510 ... -
Problem with BC corrupting after DJNZJust for fun, I'm messing around trying to get the level maps from Lemmings to display on the screen with machine code. It's been ages since I did an…
... that are stored like sprites, 512 by 128 pixels, or 64 ... -
Faster Manic MinerHey, dudes. I've been fiddling around trying to wring more speed out of this game recently. I've replaced the LDIR buffer copying routines with s…
... (nn),HL section for the 512 bytes of the attribute buffer ... -
+3e and disk geometry questionsI've bought a ZX-UNO and I want to use a mixt disk (IDEDOS+FAT) on it. That ZX-UNO has +2e DivMMC ROMs version 1.43 (the only version that works with…
... version 1.38).
512 Mb SD card.
[code ... my ZX-UNO? Using that 512 Mb card and a 48 ... -
How would you approach parallax?So ... there is this trick by Joffa that we all know...of waiting for the ULA to reach certain pattern on the screen using the IN command. And then s…
... two thirds) then you have 512 tiles. If you scroll 8 ... -
ZX81 - Against the Elements!I havent seen this until now - excellent hires 3D isometrics game for zx81: http://www.fruitcake.plus.com/Sinclair/ZX81/Software/AgainstTheElements.…
I havent seen this until now - excellent hires 3D isometrics game for zx81:
http://www.fruitcake.plus.com/Sinclair/ZX81/Software/AgainstTheElements.htm
https://www.youtube.com/watch?v=9T6m1IUqCa8 -
New Computer Express, Amtix and Amstrad ActionHi guys, Another project, found I have about 2/3`s of the New Computer Express magazine in the attic, does anyone else have any as Missing the 1s…
... to get scanned in at HiRes and the same with Amstrad ... -
A game from an other machine.if someone interesting, this is a game I created in 1989. this is the basic source, maybe somebody can convert to specy. An image: http://www.ep128.…
... CALL MENU
330 GRAPHICS HIRES 16
340 CALL HUDINIT ... -
Crash now in 4k (work in progress)HI , Big announcement by tomorrow morning depending on computer Crashes etc , Crash issue 1 should be up on the internet archive under my usernam…
... my username zzapmort in 600pdpi hires glory. I even bought a ... -
Random-Access to Microdrive FileI am working on a BASIC program to backup a microdrive text-file to standard tape array-file. To backup a text-file from one microdrive to a secon…
... is the ability to move 512 characters from an OPEN# ... ]any[/i] of the 512 bytes-length sectors available within ... ] is the address of the 512 byte buffer
344 LET c1=512+512*b
350 LET ... 1312 DATA FN l(512),FN h(512)
1313 DATA ... -
ZEsarUX-7.0Hi! I have uploaded a new ZEsarUX stable version :) This is ZEsarUX 7.0 There are a lot of new features added, more than ever! You can downl…
...
* you can see pseudo hires zx81 screens
Improved ... -
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 …
... all 8 keyboard ports in 512 squares (character/attribute positions).
ZEsarUX Beta 7.2-RCHi I have uploaded a new ZEsarUX Beta version: 7.2 Release Candidate! Next version will be final stable :) You can download it from: https://g…
ZEsarUX 8.0 stableHi! I've uploaded a new FINAL stable ZEsarUX version, 8.0 :) You can download it, as always, from the url: https://github.com/chernandezba/z…
... Prism machine name to "Prism 512"
Fixed bug having more ...Randomised data samplingHere is something that could be written in BASIC, if anyone is interested. Lets say we want to sample a subset of a larger population, we can do t…
... fills a population table of 512 items with a random selection ...New release of Tapir + new MDR management utilityMikie just made a new release of Tapir, with the following changes: - Corrected a typo in the Data window that was there since day one (doesn't anyo…
... data' saves the data payload (512 bytes) of the sector.
