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Vic 20 game better than Speccy version?Years ago, when I had my Vic 20 I had a game called Blitz, it was on the welcome tape in fact. Very simple game, but strangely addictive. For those t…
... the 128K Spectrums? The C64 only actually had 38K RAM ... anyway, so surely with a whopping 128K it ...
Although the 128K Spectrum has more RAM, this can't all ... the emulated machine's RAM in the Z80's ... to thrash the memory paging and employ an extra ... -
Vic 20 game better than Speccy version?Years ago, when I had my Vic 20 I had a game called Blitz, it was on the welcome tape in fact. Very simple game, but strangely addictive. For those t…
... really does have 64K of RAM. You can only use ...
Although the 128K Spectrum has more RAM, this can't all ... the emulated machine's RAM in the Z80's ... have to thrash the memory paging and employ an extra ... issue, and also the 128K issue with the spectrums. ... -
Vic 20 game better than Speccy version?Years ago, when I had my Vic 20 I had a game called Blitz, it was on the welcome tape in fact. Very simple game, but strangely addictive. For those t…
... CPU (6510) is that the paging registers (at $0000/$0001) are ... . It would also be 128K only (for paging mechanism).
It ... be made for a 64K RAM ZX81 as it is possible ... a good idea to support RAM/ROM paging via $0000/1) -
Vic 20 game better than Speccy version?Years ago, when I had my Vic 20 I had a game called Blitz, it was on the welcome tape in fact. Very simple game, but strangely addictive. For those t…
... (6510) is that the paging registers (at $0000/$0001) ... . It would also be 128K only (for paging mechanism).
RAM ZX81 as it is ... good idea to support RAM/ROM paging via $0000/1)[/ ... an Oric Atmos emulator for 128K spectrum?
... -
Recent talk of developing new SpectrumsHi all, I can see from a few threads on here that some Wossers like Vasil and Aien 8 are interested in developing more powerful Spectrums or improvi…
... me what limit is on RAM? How much could a Spectrum ... . That is why paging is used on 128K machines and above. In ... -
ZXC3 Rom CartridgeI recently aquired a ZXC3 Cartridge Rom from [URL="http://www.fruitcake.plus.com/"]Paul Farrow[/URL] fully populated with the latest diagnostic softw…
... /> Typically, you flash the ZXC3 128K ROM via RS232, IF2 Joystick ... data from different blocks into RAM (and registers) and then ... Emulation (uses top 16K of RAM) all on a lowly 48K ... which emulate the paging mechanisms with the software paging as mentioned above ... -
Supertest 128 - Loader QuestionI wonder if someone could explain (in simple terms please) :) , the purpose of the switch code. I see what is doing (going to 48k mode via spectrum)…
... 48K LOCK bit in the paging register ($7FFD).
USR ... to the 128 paging register and full 128K of RAM without 128 BASIC ... will corrupt one of the RAM pages. -
FRAMES counter...Hi Folks, I wrote a test program that uses FRAMES to generate a clock. When I tested this within BASin it worked well and kept near perfect time. …
As the RAM disk requires the paging in the 128K BASIC ROM, I expect ... 128K BASIC ROM is paged in (as well as paging in the RAM ... run.
Therefore any 128K functions (PLAY, RAMDISK etc.) will ... -
+2A/+3 compatibility fixes thread!It might be a good idea to keep these fairly common +2A/+3 compatibility fixes (and requests) in a single thread for quick reference ;) Let's start …
... This looks to be paging out 128K functionality - port $7ffd ... br /> ; Memory Paging
; -------------
; Memory paging is controlled by I ... (Out) - Bits 0-2: RAM bank (0-7) to page ... /> ; Bit 4: 1=128K Mode, 0=48K Mode. ... -
Memory upgrade for ZX Spectrum 16/48This is external memory upgrade for ZX Spectrum models with 16kB ram. Can be connect also to 48kB models, but need remove 8 dram chips (from sockets …
... suspect) about 90% compatibility of 128K? (Demos mostly). [/QUOTE]
paging. Impossibility use second videoram ... FDD drive in 1MB ram. In combination with DIVIDE ... and big Pentagon compatible ram = more new possibilities than ... -
So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…
... 1985 Spain 3.5469 32K 128K 128K 13.5K 2 128, ... 1986 UK 3.5469 32K 128K 128K 13.5K 2 128, 48 ... 1987 UK 3.5469 64K 128K 128K 13.5K 2 +3, ... can be upgraded to 128K using an external paging RAM pack.
Only ... -
So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…
... years before 128K
-Cartridge dock (accepts ROM and RAM!)
-Video ... /> -Two joystick ports
-Memory paging
-Better keyboard
So what is the best Spectrum?I've had a search and even though i can remember a similar thread somewhere I'll twist it a bit. Whats the best "unmodified" Spectrum? (modification…
... ]AY sound 3 years before 128K[/quote]
TS2068 was 1983 ... Cartridge dock (accepts ROM and RAM!)[/quote]
The MMU that ... you can add an additional 128K of RAM to it and emulate ... Kempston.
[quote]Memory paging
Better keyboard[/quote]
Question about divide +Hi A friend has sent my a faultly divide + to see if I can repair it. If I use this divide+ with a spectrum 48K (That works perfectly with my stand…
... this mode is used 16kB ram/rom paging instead original ZX rom ... DivIDE Plus allows access to 128K Basic, although I've heard ... (48K Basic, but with all 128K memory active).[/QUOTE]
128k software). And this FATWARE can ...Which BASIC commands/functions affect FRAMES?Hi Folks, Does someone have a definitive list of BASIC commands/functions that affect the FRAMES counter? The list I have so far: BEEP CAT (thanks…
... to channel "P" on the 128k, plus the 128ks DI all ... the place when they're paging RAM in & out.IDE Hard Drive on your Spectrum!Hello there my fellow WoS'ers Today, I am going to share with you something that has truly captivated me over the last couple of months, some of you…
... the lesser machines - like the 128k and 48k machines. My hope ... words:
[I]spectranet paging model[/I]
If ... that cloned the spectranet's paging logic etc but fitted internally ... you have a spectranet type ram/rom paging system there's no ...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…
... custom rom image to DIVIDE ram:[/QUOTE]
Unfortunately, ... 128K or later. The Pac-Man ROM also uses RAM ... currently using +3 special paging mode 0/1/2/ ... switch back to normal 128K paging mode R/5/2 ... custom RAM, I'd only need the normal 128K paging setup. ...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 ... with custom RAM, I'd only need the normal 128K paging setup. But ... pageable 8kB ram pages)
2) 8kB writeprotect ram + 8kB ram (3x ... pageable 8kB ram) - you can use ...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…
... just run from within its RAM to stop it triggering.
128K screens [i][b]and[/b ... ][/i] have completely separate RAM paged at &4000 for ... add-on hardware that supports paging RAM over the first 24-32K ...Ultimate Collected Works, no Underwulde, why?I managed to get my grubby paws on the "Ultimate Play The Game" "The Collected Works" off E-bay.... The set has 1. JetPac 2. Pssst 3. Tranz-AM 4. Co…
... 128 $7FFD is the paging control address, so everything ... keyboard, they work in 128K mode. Am I being ... JP:
[code]
RAM:7359 KEYB_ROW4_2: ; CODE XREF: ... 0FDh), a
RAM:735D DB FE in a ...The new Superfo cloneHi In the spanish forum speccy.org some guys and me have optimized the superfo clon to have less ICs. The actual design has 39 ICs versus the 45 ICs…
... . :) Does the clone lock the paging in 48 mode though? If ... a 48k model bypassing the 128K menu and without modifing the ... the 74hc273 chip and page RAM and ROM as you want ...JSpeccy v0.90Hi4all, A new JSpeccy version has been released at my project webpage. This new release have many corrections, some optimizations and a few new feat…
... bus. None of our old 128K games before Maritrini has been ... I > $BF and paging a contended RAM page does the magic ... simple. Just zero I before paging, and reset it afterwards:
80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... that machine has shadow video RAM like the 128. The screen ... of RAM.[/QUOTE]
Wouldn't it be slow as 128K ... because of so many paging in and out ... don't have to page RAM and move things from one ...Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... the 128K ROM (AY?, paging?) writes to a port that causes EPROM/RAM ...Messenger interfaceHave anyone photos, schematic, rom images, documentation, or software for Messenger interface ? [url]http://www.worldofspectrum.org/infoseekid.cgi?i…
... the 128K ROM (AY?, paging?) writes to a port that causes EPROM/RAM ...80x24 mode (Timex required)Hopefully Martijn will be adding this to the archive soon, but until then grab it here: [url]https://dl.dropbox.com/u/15659782/BASIC80.zip[/url] Th…
... expand it to 144K with 128K compatibility :P
[url]http ... (only it also has 128K of RAM in the Ex and Dock ... no way to lock down paging. But the video mode is ...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…
... +2A/+3 and set special paging mode?[/QUOTE]
Probably ... copies stage 2 into the RAM at 0x0000 so there's ... stage 2.5 into main RAM (at 0x8000)
Stage 2 ... can do any fancy ROM paging stuff it needs to do ... (or multiple files) for a 128K machine.128kB snapshot on ZX48kBWhat is best way for 128kB snapshot loading on 48kB models ? Some Z80 snapshots are 128kB versions (Z80 v2 or v3) but contain 48kB games. Same proble…
... 48k game hiding in a 128k snapshot.[/QUOTE]
ram page then is dangerous ... 128kB snapshot on ZX48 with ram page 0 from 49152. ... (stack is in incorrect ram page and CPU jump to ... example zx128 use ram page 4 + disable paging), then it's ...Conversion of Paralactika DemoHello, we are producing our disk magazine SCENE+ and wanted to release the demo PARALACTIKA by DeMarche. However, we failed to contact that group, b…
... switch between RAM pages, but that only works in 128K mode: when ... track of the currently active paging. This doesn't happen in ... , we need to do the paging directly, using an OUT to ... to keep it working in 128K mode as well, include the ...Conversion of Paralactika DemoHello, we are producing our disk magazine SCENE+ and wanted to release the demo PARALACTIKA by DeMarche. However, we failed to contact that group, b…
... switch between RAM pages, but that only works in 128K mode: when ... track of the currently active paging. This doesn't happen in ... , we need to do the paging directly, using an OUT to ... to keep it working in 128K mode as well, include the ...
