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Classics ported or cloned on good ol' SpeccyHi, Spectrumists! I'm a fan of classic arcade games and I would like to know from you what do you think about ports or clones of such games on the S…
... 'm currently using +3 special paging mode 0/1/2/3 for the emulation ... page 3. During interrupt processing I switch back to normal 128K paging ... only need the normal 128K paging setup. But I think the ... -
Classics ported or cloned on good ol' SpeccyHi, Spectrumists! I'm a fan of classic arcade games and I would like to know from you what do you think about ports or clones of such games on the S…
... 'm currently using +3 special paging mode 0/1/2/3 for the emulation ... is impossible on +3 (DIVIDE is unusable with +3 allram mode - collide ... only need the normal 128K paging setup. But I think the ... adress space (8192-16383)
3) true allram mode 16kB (two ... -
Spectrom interface ?Hi all, I got 2 of this devices ... :) [img]http://forest.no-ip.org/wos/spectrom/20151006_151428.jpg[/img] [img]http://forest.no-ip.org/wos/sp…
... only ran on the +2A/+3? (Yup, I know it won ... . It also uses the +2A/+3 "special paging" mode, and hardware double buffering ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... quote="Hikaru;921387"]Re extended paging, something like an extra key ... basic support for the +2A/+3 special paging modes, as well as some ... ways, it tests the paging modes by switching to the ... />
I've excluded the special mode 011 from testing because ... -
Chibi Akumas - Spectrum Port Planned!I'm planning to port my CPC game, Chibi Akumas to the ZX Spectrum! I will be targeting the 128k disk based systems - as this will be the best (and mo…
Does Pentagon have the +3 "special paging mode" too? -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... be easily loaded on a +3. The custom loader is ... 3DOS ROM routines and RAM paging to load the snapshot ... found that swapping the +3 48k ROM with the original ... utility to use the +3 special mode which allows you to ... to get working on a +3, even via loading from ... -
Port 0x7ffd Partial DecodingI'm trying Pitfighter on my emulator and it runs in +2A/+3 mode but crashes in 128k/+2 mode. I traced it down to an OUT instruction which sends 4 to …
... and it runs in +2A/+3 mode but crashes in 128k ... in +2A/+3 mode 1FFD is reserved for special paging functions.
3 sets the ROM high byte ... this happens. Has a +2A/+3 check occured that I haven ... -
New project: CargandoLeches. Ultraloads with ROMHi This project has started months ago, between decicoder, macleod and me. Uses the best modulation of k7zx (throwing shavings). But this ultraloa…
... if you have a +2A/+3 model, you can try it ... modified ROM: these models has special paging that allows RAM in lower ... -
+2A extended memory map & ULA bug?The [URL="http://www.worldofspectrum.org/faq/reference/128kreference.htm"]128K reference page[/URL] says: [quote]The ULA bug which causes snow when I…
... +2A if I switch to special paging mode, with RAM bank 4 ... ?[/QUOTE]
No. +2A/+3 ula don't snow. -
Pac-Man EmulatorMy Pac-Man Emulator for the Spectrum +2A/+3 is now available for download from: [url]http://simonowen.com/spectrum/pacemuzx/[/url] You'll need to su…
That has been already addressed in this very thread :) Mainly, because a special paging configuration is needed (0123) which is only possible on +2A/+3 models. -
New project: CargandoLeches. Ultraloads with ROMHi This project has started months ago, between decicoder, macleod and me. Uses the best modulation of k7zx (throwing shavings). But this ultraloa…
... if you have a +2A/+3 model, you can try it ... modified ROM: these models has special paging that allows RAM in lower ... -
Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
very nice!
Presumably the Stage 1 bootloader could have code to detect +2A/+3 and set special paging mode? -
Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
... code to detect +2A/+3 and set special paging mode?[/QUOTE]
paging stuff it needs to do ... the 4K page)
Stage 3 is the contents of boot ... -
Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
... blame Phil for the buggy paging emulation in fuse, and Pete ... own ROM when the +3 is in a special paging mode, does this ... ,13 @@
machine_current->ram.special = 0;
normal_memory_map( rom, page ... -
Stealth AllRAM SpectrumHaving just received a couple of new keyboard membranes to fix a couple of machines with, the thought crossed me that I should do a special project w…
... own ROM when the +3 is in a special paging mode, does this ... -
How to check the whole memory on a +2 greyHi everybody!!! I suspect that i have a bad memory chip on my +2 Grey. Does anybody know if exist any utility to check the whole memory? Thanks a …
... -test code from the +3 that runs from the test ... for ROMs 2&3 and the "special" paging configurations removed; so ... it does the RAM I/O, paging ... address 0000, page x" (ULA paging error)
[*]"ROM fail: address ... -
GYRUSSJust found this video on youtube...does anybody knows about this? [url]https://www.youtube.com/watch?v=krmSJKE18_A[/url]
Also, I made a version that loaded from disk. It works setting a special paging mode, so it should work in +2A and +3 models. -
Patching RST routines?Hi all, I am quite unexperienced regarding the Speccy and today I made another attempt to make a concept for a SymbOS port to this machine. There is…
... Spectrum +2A/+2B/+3, which have additional paging modes that allow RAM ... . See the "ZX Spectrum +2A / +3" section of the [url="http ... Pac-Man emulator uses the special paging mode to have RAM pages ... 0/1/2/3 present. Code showing that in ... -
128K memory bank selection to avoid contention issuesI'm currently developing a game and I'm trying to get my head around the memory contention issues of the various 128K/+2/+2A/+3 spectrum models in or…
... give 167 for +2A/+3 or 255 for the others ... 3 gate array the easiest way is probably to probe the paging ... to see if it has special paging mode. That ... banks, I write a paging routine with @impomatic which ... s running on a +2A/+3 as above. It's ... -
Need help from people with a +2A/+3Started a topic [url="https://www.worldofspectrum.org/forums/discussion/55141/need-help-from-people-with-a-2a-3"]here[/url] to get a broader reach, b…
... influence this. Notice that all 3 of @Your Spec-chum' ... test is active concern the special paging mode 5. It might ... the test if the normal paging mode 4 is set. ... as it is actually the special mode 5 here, this ... next time. No changing the paging mode with P, and ... -
Detecting +3 / +2AWhat's a simple but reliable way to detect if code is running on a +2A/+3? My first though was to try switching to ROM2 and then checking for the …
... a 48k, then it uses special paging mode to distinguish between the ... /+2 and the Black +2/+3.
As colonel32 says ... only need to know the paging architecture :)
Most ... 't be an issue probing special paging mode unless they're memory ... -
New Utility to Transfer Z80 Snapshot to +3 DiskSince getting a Gotek for my +3 it has been my go to machine. The biggest downside however is the lack of older games on disk format with pretty much…
... to transfer
-b1,2,3 use an alt mem location ... which, when run on a +3, copies the snapshot from tape ... which when run on a +3 saves the snapshot to disk ... -
Space Invaders Emulator for the Spectrum 128/+2/+2A/+2B/+3My Space Invaders Emulator for the Spectrum 128/+2/+2A/+2B/+3 is now available for download from: [url="https://c.gmx.com/sizx@gmx.com/DVQXAXrLRl2d…
... not only +2A, +2B, and +3)
From the Space ... />
The +2A/+2B/+3 have a special paging mode, allowing banks 0 ... /1/2/3 to replace ... separate bank. It's this paging flexibility that causes the program ... -
Ghost Castles - Brand new game by WSSThe first 256K game which uses ROM paging technology on ZX-Spectrum 48K ! How ? It is a full 48K game with one special ROM which contains many part…
... full 48K game with one special ROM which contains many parts ... a 64K game (48K+16K special ROM
interface). Find ...
than 192K ! It uses special paging technology to access every 16K ... emulators can't use this special
ROM extension yet. Hopefully ... -
Ghost Castles - Brand new game by WSSThe first 256K game which uses ROM paging technology on ZX-Spectrum 48K ! How ?!? It is a full 48K game with one special ROM which contains many pa…
... full 48K game with one special ROM which contains many parts ... a 64K game (48K+16K special ROM
interface). Find ...
than 192K ! It uses special paging technology to access every 16K ... emulators can't use this special
ROM extension yet. Hopefully ... -
DVD boxsets you ownboth series and film i own Spaced (all series) black books (all series) Fast show (everything) Comic strip (everything bar the nuns on the run / ea…
... )
Indiana jones (the classic 3 films)
The prisoner (all ... puzzle box boxset with all 3 original films)
Bladerunner (in ... jacksons...all the 3 special editions)
Clerks (3 disc special edition) - think it ... -
converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …
... ). SAM use different memory layout/paging than ZX128. Adress space 64kB ... = paging bit 1
D2 = paging bit 2
D3 = paging bit 3
D4 = paging bit 4
D5 ... = paging bit 5
D6 ... -
+2A extended memory map & ULA bug?The [URL="http://www.worldofspectrum.org/faq/reference/128kreference.htm"]128K reference page[/URL] says: [quote]The ULA bug which causes snow when I…
... +2A if I switch to special paging mode, with RAM bank 4 ... -
Basic problems with +3Hi everybody, sometimes ago I bought the ZX Spectrum +3. Currently I have some questions, to verify my thinking. 1. How I can easy copy the ZX Spec…
... - under USR0 mode, the +3's paging (extra memory) systems are left ... not disabled, along with the +3's disk system. However, you ...
