-
Memory paging in 128 KB - 64KB RAM possible?I have found a quote in Spectrum 3 manual (available at WOS) -------------------- In the +3, we have crammed in more than twice the amount of memory…
... using a process called
paging - BASIC (and the processor) always 'sees ... /> combination is never used by BASIC[/B]).
---------------------
So ... KB of memory with proper paging?
I always believed no ... -
My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …
... than a 6mhz one and 128k ram would struggle to store ... them for). You can maintain 128k paging compatabilty by simply addressing different ... interesting IMO.
Now BASIC - that's a bit old ... ). I'm not saying ditch BASIC - I'm saying have something ... -
My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …
... modes.
The basic idea is that the ... Ports
7FFD - 128k paging
D0...D2 - ... br />
F9 - extended paging
D0...D7 ... F8 - EPROM, more extended paging and video paging
D0 ... -
Czech and English translation of Abe's Mission - Escape - Speccy remake of great PC/PSX game !!!Hi! You certainly know Abe from PC or PSX games Oddworld-Abe Oddysee and Oddworld-Abe Exoddus. Brothers decided to made it for our Spectrum. It was …
You have to run it from USR 0 mode, guys! (Go to 128 Basic, type usr 0 and press enter. You get 48k basic but with 128k paging.)
z00m^TCG -
divIDE issuesI discovered a few issues with the divIDE hardware and FATware software that may be of interest to some people. 1. ROM paging If your Spectrum is a…
... || CONMEM_set
So, paging can be disabled by opening ... from Ultimate access the 128k's paging port (#07ffdh), or ... 128k paging for additional runtime features and so). Good BASIC ... loaders for Ultimate games MUST disable the 128k paging before ... -
divIDE issuesI discovered a few issues with the divIDE hardware and FATware software that may be of interest to some people. 1. ROM paging If your Spectrum is a…
... from Ultimate access the 128k's paging port (#07ffdh), or ... (that's sufficient for paging). Always use OUT 32765 ... test 128k paging for additional runtime features and so). Good BASIC ... loaders for Ultimate games MUST disable the 128k paging before ... -
TAP conversion project?I was wondering if there's any concerted effort to produce TAP versions of games only available in TZX or Z80/SNA/SLT format? Or are snapshots consid…
... :
MERGE "" the BASIC loader and you'll see ... port $7FFD. This controls the 128K paging so it's fairly safe ... Therefore, we know that our BASIC loader should jump here once ... similar program). Enter the following basic BASIC loader (adapted from the one ... -
Paging MemoryAny idea why this short piece of code doesnt work, just crashes. I am just messing with paging memory in and out (not achived this yet) and reading t…
... :
1) you're in 128K Basic and not poking the system ... , or
2) you're paging out the stack - you want ... you can do 128K paging without being in 128K Basic: enter 'usr 0' in 128K basic. -
Your help needed![FONT=Arial]there are [URL="http://www.worldofspectrum.org/neededscreens.html"]a number of titles[/URL] (146) that still lack an in-game scre…
... read into memory fine under BASIC. The HiSoft Pascal manual ... The loader gives "Nonsense in BASIC". The main m/c program ... code routine. It calls the 128K paging routine, and it copies ... the game embedded within the BASIC listing. Three increasingly developed ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... anyway. Just go into the 128k Basic and write USR0 - this will ... put you into 48k Basic but with 128k paging enabled - there you do ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... anyway. Just go into the 128k Basic and write USR0 - this will ... put you into 48k Basic but with 128k paging enabled - there you do ... ? How can i go into 128K mode with my divide on ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... support the 128k Basic. It 100% supports the 128k paging and everything ... else. EVERY 128k game/program that ... doesn't support is the 128k Basic Editor.
... would page IN the 128k Basic Editor for some reason ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... (I'm currently using a 128k toastrack for development).[/QUOTE]
Basic ROM is paged in - normally ... disabled at the start (altough 128k Paging is still enabled - just as ... paged in, thus allowing the 128k Selector and Editor to work ... -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... all fine when the 48k Basic ROM is paged in - ... disabled at the start (altough 128k Paging is still enabled - just ... in, thus allowing the 128k Selector and Editor to ... allow you to still use 128K BASIC if you want to ... the CF card from 128K BASIC using ResiDOS !! -
DivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... onto the CF card from 128K BASIC using ResiDOS !![/QUOTE]
< ... 't operate in conjunction with 128K BASIC as such. By default, ... USR0 mode (ie all the 128K paging hardware is available).
< ... it. This is done by paging out the divIDE+ memory altogether ... -
Announce: BASin r14b availableHere's the fix mentioned earlier for those of you that either are too lazy to update your OS (XP SP2 has been out aaaaages, Arjun!) or even junk that…
... using an esoteric opcode that BASIC doesn't use. Similarly, ... IY opcodes must work, as BASIC abuses IY something rotten.
paging", you don't mean 128k paging? If you are ... will complain - 128k support is only provided for BASIC "silicon disc" ... -
Announce: BASin r14b availableHere's the fix mentioned earlier for those of you that either are too lazy to update your OS (XP SP2 has been out aaaaages, Arjun!) or even junk that…
... when you say "paging", you don't mean 128k paging? If you are ... will complain - 128k support is only provided for BASIC "silicon disc" ... whilst still allowing the usual 128K basic editor to use another bank ... the 128K editor. Over half of the app is in BASIC. The ... -
DivIDE on Spectrum +3Hi all, Is it possible to use the DivIDE on the Spectrum +3 in 128K mode? I have the 'A' jumper set on the board, but my +3 resets into 48K mode wit…
... Basic as intended behaviour (and not just on the +3), the 128K paging ... 0 mode - so many (most?) 128K programs will still run, as ... don't rely on the 128K Basic extensions. -
DivIDE on Spectrum +3Hi all, Is it possible to use the DivIDE on the Spectrum +3 in 128K mode? I have the 'A' jumper set on the board, but my +3 resets into 48K mode wit…
... Basic as intended behaviour (and not just on the +3), the 128K paging ... 0 mode - so many (most?) 128K programs will still run, as ... don't rely on the 128K Basic extensions.[/QUOTE]
I ... which contain +2 or original 128k ROM contents. -
Newbie: DivIDE or DivIDE+??Hi Everybody, I'm a total newbie from the US about to enter the world of Spectrum. Reading Retro Gamer for the past couple of years has made me want…
... Fatware only. When connected to 128K / +2 / +2A / +2B or +3 ... you have no access to 128k basic, as Fatware resets the Spectrum ... but has access to 128k paging and AY38910 for 128k sound). This is ... -
Newbie: DivIDE or DivIDE+??Hi Everybody, I'm a total newbie from the US about to enter the world of Spectrum. Reading Retro Gamer for the past couple of years has made me want…
... Fatware only. When connected to 128K / +2 / +2A / +2B or +3 ... you have no access to 128k basic, as Fatware resets the Spectrum ... but has access to 128k paging and AY38910 for 128k sound). This is ... -
The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... away from the idea of Basic being the "default" operating mode ... =Winston]
My thoughts on 128K paging are to use the method ... over the other pages, without paging them in to check (at ... -
incompatible hardware / software list?I'm just curious after a few things won't load up via the DivIde interface / +3 e.g. starstrike 1 & 2 tape via a divIde interface... work fine off s…
To force true 48K mode (as opposed to 48K-basic-but-with-128K-paging still-enabled mode), enter OUT 32765,48 (OUT is extend mode, symbol shift O) - that might help you load Sabre Wulf. -
Operation Wolf Erbe edition, incompatibility with +2A?I was playing this game on my +2A today and suddenly the game crashed when I was shooting an enemy in the 4th level. I tried some years before the Hi…
... you get from choosing 48K Basic on the menu. You need ... you have the 48K Basic editor, but the 128K paging mechanism is still ... is to type 'usr0' in 128K Basic.)
Also, note that ... 't necessarily an indication that 128K mode is active. -
Jetpac LoadingI have Jetpac on tape for my 48k and can't get it to load. Here's what I'm doing...Press L to get load screen then "jetpac" and Enter while pressing…
... , type that in 128 basic... or the equiv. " ... 128K machines (not just the Amstrad ones) in 128 Basic ... triggers the 128's paging mechanism. You need ... Basic from the menu) as this will lock out the 128K paging ... you into 48 Basic with the paging still active.
128k +2 does not show menuHi guys! I have a 128k +2 and when I turn it on, the main menu is not shown to me. Instead, I enter directly on 48k mode. Does anyone know how7why t…
... problem is on the memory paging circuit, can it be, actually ... /> Would anyone point a good 128K model BASIC test?Wolfenstein / Doom for 48k SpectrumHi, is there any game / demo of this kind that runs on 48k machines? Thanks.
OK Guys, I've updated the TAP version to include digital audio by default, and moved the player code to Uncontended RAM making it sound much better.
I've also made the IDEDOS / +3 disk version which includes a cheat menu and in-game level skip ...A new site for an old projectThe 'Interface 1bis' project site has been moved to: [url]https://sites.google.com/site/interface1bis/[/url] In fact, it's not only a simple relocati…
... (patched) ‘48k ROM’ or SE BASIC, for that matter, any Spectrum ... interface would interfere with the 128k paging, or connection wise, if its ...Why do games work using USR0?I'm trying to get Terramex to work from disk. In the [url=http://www.worldofspectrum.org/forums/showthread.php?t=34332]thread about +2A/+3 incompatib…
"USR0 mode" refers to running the 48k ROM with 128k paging enabled as opposed to the 48k Basic menu option which boots the 48k ROM with all memory paging locked.Changing from esxdos to fatwareAfternoon. After realising from a nother thread that fatware handles long file names i am considering using it instead of esxdos. As someone mention…
the divide sets the spectrum into usr 0 mode so you are in 48k basic but with 128k paging and ay chip enabled
to switch back to esxdos you will need to power down the spectrum i think
