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So... you want to format your 3.5" as 720K eh?Well, i've been trying to get hold of an application to make proper use of my 3.5" +3 floppy disks but i haven't been able to find any. I stumbled up…
... Drive is stored as a letter, so we need to ... A,(DRIVE) ; As above, this is where we store our drive letter ...
SUB 65
LD B,0
LD C,A ... 65 ; Holds the drive letter
... -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
... work on a Z80. Yesterday I had a bit of ... so I put together a quick test for finding ... the 8 bit in the A register:
... /> ld de,0xC0DE
ld a,h ; t = x ^ (x ... e
ld e,a
ld a,d ; w = w ^ ... -
[Book] Error in The Complete Spectrum ROM Disassembly[I]Page 188.[/I] There's two references titled 'RE-STACK TWO subroutine', when in fact the second should be 'RE-STACK (3D) subroutine'. (vide, index …
... on this error, I will add a PDF markup comment to page ... -
IN 255 behaviour not emulated in Spectaculator and ZXSpinI'm not speaking about "normal" IN 255 behaviour. All of you know what I'm taking about: IN 255 can be used to "read" screen data as it's retrieved f…
... a
sra a
sra a
sra a
and 0fh
add a ... 0fh
add a,'0'
... -
Html / Css HelpGuys I have been busting my gut over this problem all evening maybe you can help me out. If have the following code that presents me with a well lai…
... code that presents me with a well laid out form in ... .
However, when I add a doctype descriptor into the top ... -
Improving JetpacJetpac remains a joy to play and was a marvel in its day. Apart from very slick prgramming in 16K it also had great replay value. You were armed with…
... to play and was a marvel in its day ... were armed with such a good wrap around weapon ... />
I would:
Add a time limit per screen
Perhaps add vertical scroll for later levels ... about to refuel.
Add more rockets to build
R.I.P. spectrum 48kRecently one of my 48k rubber key (issue 4) machine bit the dust the other day when I tried to power it on. When powering it on, it gave a weird 'bee…
... gave a weird 'beep' and a 'buzz' sound (just a short ... 48k was completely overhauled a few years back (maybe ... PCB, but had to add a resistor to get the ... remember reading a post/website on a better voltage ... Is it possible to add an additional voltage regulator ...NTSC land helpHi all, first post here, and it's a bit of a techie noob one. I did search, honest, but couldn't find what I was looking for. I'm a UK (Scotla…
... here, and it's a bit of a techie noob one.
I'm a UK (Scotland) expat living in ... .
I would love to add a Spectrum to my collection, as ... my first ever machine was a 16k version way back in ...Advide / Help with Speccy adventure.Righty ho then, My Pawed adventure, 'Tomes of Torinoth' is very nearly ready. Yipee. I just wanted to add a few nice piccies... That's when it al…
... . Yipee. I just wanted to add a few nice piccies... That's ... when it all when a bit. pah.
Here ... />
I could do quite a few such illustrations around, but ... thought that the screen looks a bit dull without them.Some sort of requestMartijn, is it possible to make a page with a simple list of newly added program files? What I mean - for example if the new version of old game was…
... it possible to make a page with a simple list of newly ... an old game added or a MIA - it will not be ... .
So there is a need to get the list ... not by year, or a news, but by the date ... even in the Infoseek search add a criteria.Game idea databaseJust had the idea to make some kind of game idea database. Everyone could add a coding idea and someone could get the idea and make the game. In…
... database.
Everyone could add a coding idea and someone could ... WxHxB).
I will add the first idea since I ... somewhere or forgot to eat a shortening dot.
< ... br /> There is a change that this/some games ...Mushrooms from MarsWith reference to [url=ftp://ftp.worldofspectrum.org/pub/sinclair/magazines/YourComputer/Issue8506/Pages/YourComputer850600023.jpg]this news item[/ur…
... Mushrooms) "by" Stephen Jones is a plagiarised version of the Your ... the "A" CODE block of the Scorpio release. I'll add a SPOT ...Post your best SCRs - Image to ZX Spec 1.0.1 and beyondI've been playing around with Image to ZX Spec's encoding algorithms and I've achieved a "half colour" floyd steinberg mode, that it, the image is pa…
... algorithms and I've achieved a "half colour" floyd ... machine atm I'll add the SCRs I've ... been toying with writing a genetic algorithm that works ... fitness functions might be a bit difficult to determine ... d have to add a neural net (would a few hundred images ...I own/I want/I sellJust a wee thought. In the WOS database, wouldn't it be nice to add a section where members could say that they have a copy of this or they want a co…
... 't it be nice to add a section where members could say ... that they have a copy of this or they ... want a copy of this or are ... selling a copy...I seen this on ... a site called Discogs(music records). ...Virus Alert HELPDear Tech Support: 2009/11 I am still having trouble with this program. I was told that Blair v7.0 would continue being in operation until at least…
... V0.1 already installed as a utilities background program with Blair ... did not do anything except add a banana logo to the opening ... Chancellor/resentful/bitter which was a separate program under Blair V ... -4U. There is also a program called Mandlespin and Equality ...Help needed id'ing two gamesHi. I was wondering if anybody could identify two games for me. I remember playing them but have absolutely no idea what either was called. The fi…
... />
The first game was a really weird platformer. If I ... . But to guess a letter you had to enter a portal or arch ... arch you had to have a spell or something like that ... enough the game also had a timer.
The second ...Switching between +D and DivIDEI want to add a switch between +D and DivIDE. I think, soldering a switch between MEMRQ1 and MEMRQ2 + IOREQ1 and IOREQ2 of both Interfaces and Spectr…
... to add a switch between +D and DivIDE. I think, soldering a switch ... interfaces?
Twoface is using a 74LS32 to switch MEMRQ and ... interfaces are enabled. This is a feature I don't need.Thoughts about 1990Just dipping my toe into 1990 research (I know I said I'd be taking a sabbatical, but it seems to be slowly, surely, drawing me in), and wondering ho…
... said I'd be taking a sabbatical, but it seems to ... will lift the mood a bit (but only a bit as they ... , etc), but I could use a bit more positivity!
add a bit more gloss to the ...SPOT+SPEX magazine index updateThe SPOT+SPEX Spectrum magazine index at [url=http://www.users.globalnet.co.uk/~jg27paw4/spot-on/default.htm]SPOT*On[/url] has been updated. There ar…
... I hadn't devised a satisfactory way of distinguishing ... I did before was add the main magazine's ... 's page number and add a comment to each entry. ... be numbered 49 with a comment "on supplement page ... independent page numbering are assigned a separate mag code (eg ...RGB output differences on +2 and +2a/b +3I've got a 37" LG 1080p lcd tv (37LH7000) I'd hooked up my +3 to it and it displays a clear picture (colourwise) however each column looks like it's …
... to it and it displays a clear picture (colourwise) ... rotated by a few pixels ans theres a black vertical ... night and was about to add a zaxon ay to it ... Rich!!!) and I had a little brainwave. From previous ... scart and hey presto a perfectly clear picture, well ...tricks to simplify codingWhen i started with programming in assembler i had very simple approach to do things. Just shifting bytes around, doing simple tests and so... Later …
... table
;A = ITEM
add a, a
add a, l
... ld l, a
jr nc ... br /> call_from_table1
ld a, (hl)
inc hl ...
[CODE]
ld a, (ix + FRAC_PEN)
ld ...Tiscali (now Talk Talk)anyone else use tiscali? Is anyone else suffering from the broadband being a bit flakey, it's seems to come and go - you'll be fine for a few minute…
... from the broadband being a bit flakey, it's ... it is, I had a letter stating that Talk Talk were ... and they said the letter did not include my ... Fair enough except the letter stated that they were reducing ... 8meg unlimited line, with a reduced line rental for ...Dinamic GamesI was thinking the other day about Dinamic games and their notorious difficulty level. So I've selected 4 of their games (Army Moves, Navy Moves, Ga…
... on Army Moves, and will add a level a day. Read the blow ...RIP Frodo the Rendering Beast, 2006-2010Please, no flowers :) Frodo died a couple of days ago whilst rendering a very-close-to-finished version of the 1990 chapter intro animation. Rather …
... br />
Frodo died a couple of days ago whilst ... rendering a very-close-to-finished ... *, and making compromises as a result. Hopefully the disks aren ... which will give me a 3x speed increase and ... it! Will have to add a bit more detail to the ...Windows 7 and Direct XAs you may know, I've brought a new lap top and it's come with Window 7. Today, I thought I'd add a screen saver as I'd not set one up yet. but, when…
... may know, I've brought a new lap top and it ... . Today, I thought I'd add a screen saver as I'd ... that isn't a slideshow screensaver, I get a message saying that ... thougt it was on as a default anyway). If I need ... thought was right, but after a re-start, it's still ...Obfuscated code ideaThe instructions [b]SUB A[/b] and [b]XOR A[/b] both have the effect of setting the accumulator to zero. The only difference between them is that [b]…
The instructions [b]SUB A[/b] and [b]XOR A[/b] both have ... N flag, while [b]XOR A[/b] resets it.
< ... /> DAA[/code]although [b]ADD A,0[/b] or [b]SUB ... it.
[code]SUB A
PUSH AF
POP ... BC = 2, while [code]XOR A
PUSH AF
POP ...Credit ratings?Well, I'm vexed. I was ambushed at Manchester Airport by a credit card company (specifically, BMI, doing their own cards), and I thought it had a us…
... ambushed at Manchester Airport by a credit card company (specifically, ... br />
Today I got a letter saying they refused the application ... certain I've never been a victim of 'identity theft' ... I already have a credit card with quite a high credit limit ...New RZX Block Type Suggestion -- AnnotationWho is maintaining the RZX specification at the moment? I'd like to ask for the feasability of the following request. Annotations embedded within th…
... a backwards compatibility issue with this. Nor would annotations add ... to the filesize significantly. A 2 hour ... nice-to-haves to add on (such as ... themselves. That way a single file can have ... that this feature would add a lot of of value ...Micro Command - voice recognition for the ZX SpectrumIt's an interface you might know about. This is it: [img]http://www.zxprojects.com/images/stories/microcommand/microcommand.jpg[/img] I've found som…
... .jpg[/img][/url]
A Z80A (rated at 4MHz), 2KB ... , and had to add a CLK generation circuit on a separate board. The ... crystal is a 4MHz one ... of this exists somewhere. As a recognition device, this doesn't ...Machine code issue...Hi Folks, My trials with MCODE continue and I am stuck. I wrote the following program in BASIC to simply POKE an attribute byte in to a "box" on th…
... a,p(5):
LET a=a+1:
NEXT c:
LET a=a ... A ;POKE Address,ATTR
23 INC HL ;Add ... br /> 19 ADD HL,DE ;Add 32 to ... DE=Width
C600 ADD A,0 ;Reset Carry
...
