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Nice ZX81 30th anniversary article at the register[url]http://www.reghardware.com/2011/03/04/sinclair_zx81_anniversary/[/url]
[url]http://www.reghardware.com/2011/03/04/sinclair_zx81_anniversary/[/url] -
Push/Pop data copyingWe all know that stack pointer cheese and push/pop is faster to move data than LDIR - which in turn is slower than unrolled LDI's anyway. I rewrote …
... pushing registers to the 8 register pair limit, given that there ... -
quick - Zx80 ASM questionWhile I am ploughing through lots of ASM listings, one of my earlier adaptation attempts surprised me [B][asm code][/B] [code] org 32768 start: ld…
... ; spectrum: print the character in register 'A'
inc hl ; move ... -
Using GNU binutils on Mac OS XWinston and CSmith both use binutils for development on Mac OS X. However, Winston uses the gentoo-a-like fink, while CSmith just uses a Linux VM. I …
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First you have to register as an Apple developer. This ... ]http://developer.apple.com/programs/register/[/url]
Then you ... -
free pc games[url]http://www.dixonsdownloads.co.uk/[/url] only to the first 10.000 people who register, ive got the first pack.........well when ive downloaded e…
... first 10.000 people who register, ive got the first pack ... -
File Hosting / Sharing.So my broadband provider has archived my webspace, because its over its bandwidth. I've only got a few images and a few WAV files up. In anycase you …
... fill or me having to register. The system must allow me ... -
New upscaling methodI was reading Boing Boing, and sudenly I read this: [url]http://www.boingboing.net/2011/05/25/converting-pixel-art.html[/url] So I investigated a b…
... ]http://webcache.googleusercontent.com/search?q=cache:yZZXNNi47DgJ:johanneskopf.de/publications ... ]http://webcache.googleusercontent.com/search?q=cache:15iKIgSAkDwJ:johanneskopf.de/publications ... -
JSpeccy 0.88.4 releasedA new JSpeccy has been released. The main changes are: [LIST] [*]Resolves a problem in AY emulation code what affects the sound of Retrowork's game …
... the mcleod_ideafix latest findings about register contents at cold-start/warm ... -
PS3 - 5 Vantammen - 0As some may remember, I've been having troubles with my ps3 since January... it all started while playing Resi 5 and the Blue Ray driver stopped read…
... he's only allowed to register my malfunction and if I ... -
48k IssuesJust got a 48k Spectrum (a replacement for a faulty +) from the helpful guys at Flashback, and had a tape deck delivered today. The keyboard seems t…
... rows of keys are failing (Q-Y, A-H) intermittently. I ... -
Rambo (improved BUGFIX)An improved BUGFIX was provided for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0004010"]Rambo[/URL], please replace the "known error…
... LDIR after setting only C register instead of BC, as follows ... -
Cobra (improved BUGFIX)This is an improved BUGFIX for game [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0000996"]Cobra[/URL], please replace the "known errors" de…
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9602: in a,($ff) ; register 'A' always set to $FF ... -
binutils questionSince there's a few people using binutils these days I thought I'd give it a go and see whether it solves my hunt for a replacement assembler/librari…
... around the old optional "a" register issue, but I'm stumped ... -
Manic Miner review and WOS mention on the register[url]http://www.reghardware.com/2011/07/07/antique_code_show_manic_miner_game/[/url] Interesting address for the ftp "mirror".
[url]http://www.reghardware.com/2011/07/07/antique_code_show_manic_miner_game/[/url]
Interesting address for the ftp "mirror". -
The Only Way is EssexLenny Henry, since his dalliance with a blonde in a hotel, has been regularly recommending that I stay in a Premier Inn for ?29. Well I checked out …
... ://maps.google.co.uk/maps?q=Brentwood,+CM14+4EF,+UK& ... -
[MOD] R-Type IIII suppose it makes sense now to register [URL="http://www.worldofspectrum.org/forums/showpost.php?p=401659&postcount=15"]R-Type III[/URL] back in the…
I suppose it makes sense now to register [URL="http://www.worldofspectrum.org/forums/showpost.php?p=401659&postcount=15"]R-Type III[/URL] back in the archive as a mod... -
automatic relocating of non-relocatable codeI was pondering upon the problem of changing absolute addresses used by CALL, JP, etc. when code is moved, without reassembling at the new location; …
... the value in the PC register. I eventually remembered that a ... variable location, either to a register or a location addressed by ... a register; there's "LD SP,HL ... -
Region locking PC games? Deus Ex: HR is to be region locked!One of the good things about PC games is that they aren't region locked, unlike [B]many[/B] console games (lots of consoles have great games that wil…
... might not be able to register the game.
If you ... should not be able to register your copy due to a ... -
Various software & hardware for sale.After having a sort out in the loft I've discovered a few things to get rid of: [SIZE="1"]SINGLE CASSETTE SIZE CASES. (all with inlays and instructi…
... /> hacker - activision
chase h.q. - the hit squad
whodunnit ... -
Keys redefine routine and key check.I have written some asm code which allows me to redefine keys (for a game etc.), and also allows me to be able to check any keypresses for the redefi…
... set the keys below as Q,A,O,P,SPACE,H ... ; 1-5
defb $fb ; Q-T
defb $fd ; A ... -
stupid yahoo Q&Afound this, pretty funny. [url]http://www.dailycognition.com/index.php/2010/03/07/funny-weird-yahoo-answers-questions.html[/url]
found this, pretty funny.
[url]http://www.dailycognition.com/index.php/2010/03/07/funny-weird-yahoo-answers-questions.html[/url] -
My z80 computer nearly thereI have nearly built my own one :D Below is the 3D look of it made using eagle 3D (it takes the PCB and makes it look awesomefied) [URL=http://uplo…
... as uarts + LCD displays have register selects and require two ports ... -
Address of monitor to load emulator files into real SpeccyI have a monitor/debugger that can load data over serial port really fast. Now I would like to extend it to load standard emulator files over the ser…
... , with processor context (i.e. register values) attached. Even if I ... -
ZX80 and 81 hardware questionsI'm finding a lot of the documentation that is ostensibly about the hardware of the ZX80 and 81 to be primarily about the software. I was hoping some…
... load of the video shift register, which is loaded from an ... -
a bit of coding helphi all over the past few weeks i have been busy getting to grips with recracking tr-dos stuff for the plus-d and was after a little bit of help what…
... is read the contents of register "de" and depending on its ...
