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maximum addressable RAM for a Z80 using bank switching?What is the maximum addressable RAM for a Z80 using bank switching? The Enterprise64 home computer could address up to 4MB, is this the limit for a …
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That is to have an 8 bit parallel ... number of higher order address lines for your external ... OUT 8 bytes of the address, then shift it all ... you write the address to and another to clock the address along. It ... of blank bytes out to change to bank 1 from ... -
Matthew Smith making a new game![url]http://retroasylum.com/manic-miner-creator-matthew-smith-set-for-return-on-ios-and-android/[/url] [I]"The Retro Asylum team have heard a whispe…
... and redirects to [url]http://matthewsmith.elite-systems.co.uk/[/url] ... with an articlle linking to [url ... ]http://matthewsmith.elite-systems.co.uk/?p ... announced that they are to co-operate in the development and ... -
Circumspect - A Spectrum Emulator for learningThis is a project that I have been playing around with for a while. It must be said, I tend to have problems getting things finished where hobbies a…
... simple debugger that allows you to examine registers, flags, single step ... wouldn't be too difficult to put some debugging messages in ... started on what turned out to be the most difficult part ... that I have forgotten to push the return address to the stack in ... -
Wierd Spam EmailI got this email today on my main email account which is used exclusively for online banking and ISP emails and i never give it out to anyone. I wont…
sounds like its just a mistake. its not like it is asking for your home address to send a prize too. could just be a wrong digit in the email addy.
or very clever spam, as youve made a thread on a forum about it. :p -
I may have lots of MIAHi All, I found on my old hard drives a bucket load of spectrum tapes and decided to check against the MIA list to see if I had anything that is wan…
... that are required, (possibly more to come). I am a bit ... paranoid about signing up to free file sharing sites. Can ... won't give my email address to all sorts of low life ... -
The game I have just reviewed on Spectrum 2.0 is...Future Looter [url]http://www.spectrum20.org/reviews/3097[/url] After Alessandro's recent thread about cynical WoS scoring I came to realise that a…
... . Can a moment be found to resync with WoS so that ... 's something you'd need to address to Martijn rather than me unfortunately ... -
Scrolling attribute thingJust messing with scrolling attributes. Its absolutely no use, but impressed with the variable speeds of scrolling. [url]https://dl.dropboxusercont…
... are moving.
Trying to control it. Just about got ... all. Just pushing 2 fullscreen attribute patterns to the screen. The height ... it starts drawing the second attribute screen.
[url]https ... -
Willys-Great-Adventure - New game after 28 years?Not sure what to make of this so I have posted to see what you all think. Game found after 28 years [url]http://matthewsmith.elite-systems.co.uk/?t…
... been released and is believed to be otherwise unknown, until offered ... and map are very similar to the original. Whereas, WGA ... previously announced that they are to co-operate in the development and ... [url]http://matthewsmith.elite-systems.co.uk/?p=158[/url]
MATTHEW SMITH IS HERE.COMThis site got updated a couple of days ago. [URL="http://matthewsmith.elite-systems.co.uk/"]http://matthewsmith.elite-systems.co.uk/[/URL] <snip>A …
... ][URL="http://matthewsmith.elite-systems.co.uk/?p=158"]Previously Unseen ... Elite has added this disclaimer to the website after the fact ... previously announced that they are to co-operate in the development and ...MATTHEW SMITH IS HERE.COMThis site got updated a couple of days ago. [URL="http://matthewsmith.elite-systems.co.uk/"]http://matthewsmith.elite-systems.co.uk/[/URL] <snip>A …
... be some unpublished old homage to JSW made using an editor ... previously announced that they are to co-operate in the development and ...MATTHEW SMITH IS HERE.COMThis site got updated a couple of days ago. [URL="http://matthewsmith.elite-systems.co.uk/"]http://matthewsmith.elite-systems.co.uk/[/URL] <snip>A …
... previously announced that they are to co-operate in the development and ... />
That wasn't there to begin with (afair...although I ... it unseen and now have to claim that it wasn't ...Where do you stick the stack?...OK, so I've got a fair chunk of ASM code assembled from 24000 mark. The stack shouldn't get very big, just a few PUSHes and POPs of the main regis…
... times, as it uses POP to retrieve data from tables scattered ... has a list of addresses to assign to SP, where it does ... ]
where the stack points to a table of addresses which ... it a routine to jump to and a SP address to use with that ...New game: MORPH!Hi there, WOS people! I am a new member here. Quite recently I bought myself a 48K Speccy from a mate of mine. It is my very first Speccy as I never …
... metal".
Now we start to making a TZX version.
address to init the game?
Which ... tools do you use to write it?
Assemblers like ...New game: MORPH!Hi there, WOS people! I am a new member here. Quite recently I bought myself a 48K Speccy from a mate of mine. It is my very first Speccy as I never …
... . You people are welcome to help with gfx. :) ... a matter of learning how to produce sound.
address to init the game?
... :)
OK, some answers to your questions:
... />
The start address is [B]$A3A4[/B] or ...Where do you stick the stack?...OK, so I've got a fair chunk of ASM code assembled from 24000 mark. The stack shouldn't get very big, just a few PUSHes and POPs of the main regis…
... and don't have to worry about interrupts or ... as it uses POP to retrieve data from tables scattered ... a list of addresses to assign to SP, where it does ... /> where the stack points to a table of addresses which ... a routine to jump to and a SP address to use with ...The Official Crap Games Competition 2013 Thread!Just to announce that the 2013 CGC is OPEN! [IMG]http://i1142.photobucket.com/albums/n608/daveyboyhughes/cgctitle2_zps77591934.jpg[/IMG] And for th…
... instead (gonna be faster to do lookups from that I ... have to do a CLEAR some address to have a good place to ... POKE a 1 bye counter or is there an address ... that is always safe to use? I ... memory anyway if I wanted to be flash.
...Spectrum total cassette preservation ideaHi Guys, Might have been done before but been have been doing high quality scans of the whole of the cassettes ie inlay, tape itself ,2nd si…
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I tried to write a fairly succinct reply ... cost, who's going to co-ordinate etc that would ... contribution towards this is to finish off scanning everything ... />
I guess, to be really brief: definitely keep ... I don't want to sound like I'm speaking ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... di
ld ix,40000 ; address to write data
. ... and a ; clear carry flag to signal BREAK
ret
to make sound
out (0xfe ...Grand Theft Auto V announced!Ok, time for another mega-game thread :smile: [url]http://www.rockstargames.com/[/url] Trailer next week!
... 3 (they are supposed to be carried over to GTA V) and ... and it'll be easy to co-oridinate sessions via here. Obviously ... , we'll need to wait tfor the damn thing ...Grand Theft Auto V announced!Ok, time for another mega-game thread :smile: [url]http://www.rockstargames.com/[/url] Trailer next week!
... they are supposed to be carried over to GTA V) and ... and it'll be easy to co-oridinate sessions via here. ... Obviously, we'll need to wait tfor the damn thing ... to come out first ;-)[/QUOTE]
to start embezzling cash from the ...Grand Theft Auto V announced!Ok, time for another mega-game thread :smile: [url]http://www.rockstargames.com/[/url] Trailer next week!
... (they are supposed to be carried over to GTA V) and ... and it'll be easy to co-oridinate sessions via here. ... Obviously, we'll need to wait tfor the damn thing ... to come out first ;-)[/QUOTE]
... get a few games in to get a head start ...eBay Down. ?.....????In the latest line of high profile websites going down. I think ebay.co.uk seems to be down
... time. She needed a buyers address to do a delivery about ten ...eBay Down. ?.....????In the latest line of high profile websites going down. I think ebay.co.uk seems to be down
... .
Details: To enable the details of this ... specific error message to be viewable on remote ... should then have its "mode" attribute set to "Off".
... defaultRedirect" attribute of the application's configuration tag to point to a ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... with my real Spectrum due to currently having no way ... code! It never occured to me to (ab)use the parity ... a failing load was going to save a lot of ... high byte of the port address to 0 have that effect?< ... then using the address left in HL to calculate how many ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... to understand, the simpler the better.
Regarding the start address ... 23635/23636) to determine the address to USR to. The entry address is in ... code can use that to calculate the offsets of ... anything it needs to relocate to high memory.
...MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…
... /> ld a,72 ;start of address to poke
ld b,7 ... /> loop3 ld (23681),a ;poke address with a
LD C ...MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…
... why you want to use the LPRINT routine to generate the ... LPRINT thing once (which seems to work ok), then as ... /> ld hl,0x4800 ;start of address to poke
ld (23680),hl ... ;poke address with hl
...
