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ZX-81 Ram Pack problemHi! I know this is a ZX Spectrum forum, but I am hoping someone here might be able to help me out... I have posted this to c.s.s. but noone was able…
... which is probably normal since ram
test takes ...
Sinclair ZX 16k ram pack issue 3 .
ram pack :
... Get this - I could enter basic programs normally !!! I.e. it ... a posibility of faulty RAM somewhere on the lower ... -
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…
... is able to page RAM over the BASIC ROM the paging is ... this paging.
2. 128K Z80 snapshots
If ... Spectrum has been upgraded to 128K using the standard 144K solution ... , then 128K Z80 snapshots will not work ... -
+3 disc imaging (idea + SDP)Following a bit of research, which you can probably see in the "old code" thread, I had an idea for a bit of software that may be useful (for me, and…
... and also for the Spectrum Disc Preservation team). I thought I ... saving would be done in BASIC, saving to anything is possible ... file I think - a +3 disc is generally bigger than 180Kb ... to copy a 3" disc to a file on a ... 3.5" disc if both were installed on ... -
128 BASIC running in softwareIt is possible to run 128 BASIC in two paged RAM banks, but it's not very stable.
It is possible to run 128 BASIC in two paged RAM banks, but it's not very stable. -
Problems with my +2A DatacorderHey folks, Bought a speccy from ebay, but i think its fucked. What do you think? Basically it turns on fine, but when i try load a game nothing wor…
... . I can use the 128k loader of the 48k basic, either way the ... -
ANN: Spectrum Host 0.40 for BBC BASICZXHost 0.40, the ZX Spectrum host for BBC BASIC now has working microdrive support. You can load, save and catalogue microdrives, and any other devic…
... ZX Spectrum host for BBC BASIC now has working microdrive support ... updates also include BBC BASIC runnable in RAM and colour mapping extended ... -
Speccy stuff for free - you collect from SW18Hi chaps, Righto, all my Speccy stuff has to go but I can't post it (sorry Craig!), it's far too much hassle. If you want all of the below, feel fre…
... ) (boxed/PSU/Introduction and BASIC programming manual)
Upright ... joystick interface (1 port)
RAM Turbo joystick interface w/ cartridge ... 't work properly)
128k Spectrum
1 PSU< ... /> Outrun / US Gold (48k/128k)
Live Ammo (Green Beret ... -
Loading Screen ProblemI am putting together files on a tape that my game needs. The problem that I have is that after loading the "loading screen", the image is spoilt by …
... for "newer" Spectrums ie the 128k and Amstrad versions ? I don ... system variables or BASIC (apart from the a simple loader).
Are ... -
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…
... :
* Chase HQ 128K, which was as easy as ... through TZX2TAP, despite the custom loader.
* Mario Bros - the ... doesn't have a custom loader so obviously TZX2TAP works ... onwards, respectively) and shove a BASIC loader in front of it. Mailstrom ... -
The BASIC ISRFirst of all, excuse me if my blatant ignorance about this topic makes me write some nonsense :) The thing is that I'm finishing a game in mixed BAS…
... Compiled BASIC (the pure BASIC part is to manage stuff in the RAM ... disk back and forth, the Compiled BASIC part is ... need to stay in BASIC (for the RAM disk stuff) - I know ... that BASIC has a ISR which ... -
Spectrum Basic InterpreterHello. I started this days a strange project: an interpreter of the Spectrum Basic that can run in a Spectrum. Here is a very preliminar version: […
... : an interpreter of the Spectrum Basic that can run in a ... ROM replacement, it runs in RAM. It costs some memory, but ... -
I'm in need of help hereI've been using the 'COMB' and 'TRANSFER' programs on Lerm's Utility D package to convert copy-protected (Speedlock, Alcatraz etc) 48k games onto +3 …
... to type in for the BASIC loader that will load them. ... comes to typing a BASIC loader for a 128k game the manual says ... has made things difficult because 128k games have to be ... have tons of copy protected 128k programs that I would ... type in for the loader? -
Noob to Z80 needing +3 helpI'm quite new to z80 programming, but i'm attempting to write some kind of windowing system that will run alongside BASIC on my +3 with Kempston mous…
... 3 and RAM 0, and somehow replicate the basic CLEAR), ... i safely "exit" to the basic editor?
... In normal operation of the 128k editor, if page 7 ... not corrupt the basic program in RAM (i'm not ... although info on the 128k memory model in particular would ... -
My to-buy listWhat I want to buy: -ZX80 - [COLOR="Red"]bought[/COLOR] -ZX81 - [COLOR="Red"]bought[/COLOR] -ZX Spectrum 48K - [COLOR="Red"]bought!!![/COLOR] -ZX…
... Sam Coupé
-16K ram module for Timex Sinclair 1000 ... Guide to Timex Sinclair 2068 Basic - [COLOR="Red"]bought[/ ... "]bought[/COLOR]
ZX81 BASIC Programming Manual - [COLOR="Red ... COLOR="Red"]bought[/COLOR]
128K/+2grey to Scart - [COLOR="Red ... -
New Spectrum emulator for DS[url]http://zxds.raxoft.cz/[/url] [quote]Features already implemented: * Solid Z80 core - possible bugs aside, the Z80 emulation is as complete…
... 128k is fully implemented. This includes both ROM and RAM ... in other emulators first. The 128k snapshots, although bigger, have ... soon:
* 48k/128k Z80 snapshot support - the Z80 ... the fastest available for given loader.
* Proper UI - ... -
Testing RAM Chips After RemovalHi I am going to use Winstons Hot Air Gun method of removing the RAM chips from a 4S circuit board. I wish to check the RAM chips, I have a Logic Pr…
... Gun method of removing the RAM chips from a 4S circuit ... . I wish to check the RAM chips, I have a Logic ... my electical theory is very Basic. Can anybody out their please ... -
Spectrum 128K - Needs Your HelpI have a Spectrum 128K (with the external heatsink on the RHS) it is a 1985 Version 6K mainboard, I got it out of the loft the other day and it wont …
I have a Spectrum 128K (with the external heatsink on ... has 16 NEC D1164C-15 RAM chips (soldered) and the ULA ... help would be appreciated, the 128K was my companion in the ... -
Amaurote & Zub -- missing TZXs?With reference to [url=http://www.worldofspectrum.org/forums/showpost.php?p=209176&postcount=11]this post[/url], the TZX of Amaurote at WoS is of the…
... The 128K TAP is a dedicated 128K version, as the BASIC loader doesn't ... running on, displays an "AMAUROTE 128K" message and uses SAVE ! ... code embedded in the BASIC loader which it executes before ... mentions an earlier, non-128K-enhanced version of Zub but ... -
Compatible SpectrumsFollowing some recent coding exploits I've been thinking about compatibility of various models of ZX Spectrum. Yes, it's a common question on the for…
... +2... you'd lose any disc access, but you would get ... contended RAM (I think 1, 3, 5, 7) to the 128k/+2 ... -
It's a trap!So I got a CPLD (not the eventual one I want to use for the ethernet project - rather, one I actually have here and now, an XC9536 in a PLCC44). And…
... fooling it into thinking upper RAM is being accessed. (This will ... of interpreting the line of BASIC at CH_ADD. As a result ... that's normally illegal in BASIC into a program.
128K ROMs) on Philip Kendall's ... -
How to add basic commands like "!command"Hi all, is there some where in the forums a thread dealind with the topic how to add basic commands? How are the commands for example of Basic+ are …
... the topic how to add basic commands?
How are the ... commands for example of Basic+ are added? Usual they are ... new code is located in ram or in an extern rom ... -
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…
... fact 131072 bytes of
RAM and 65536 bytes of ROM ... a process called
paging - BASIC (and the processor) always 'sees ... and 48K of RAM ([B]or 64K of RAM with no ROM ... /> combination is never used by BASIC[/B]).
---------------------
So ... -
Spin problems/issuesI am running Spin 0.666 and have noticed a few issues (some are bugs, some might be just me). I am using Vista sp1 (yeah I know!), and I've seen Dunn…
... the fact that the RAM page field is too ... go to any address in RAM, eg:$8000. Select edit ... is really in display RAM (if you just use ... replace the first BASIC program with the second BASIC program. So ... br />
9) Select 128K toast-rack hardware, and make ... -
A BASIC compiler projectHi, I started my own BASIC compiler for the ZX Spectrum (and Z80 machines) 3 months ago. It's still in ALPHA stage (when it is mature, I will write …
... />
I started my own BASIC compiler for the ZX Spectrum ... /> It also has a tiny (basic) TZX library (to save standard ... the moment), and a minimalistic BASIC tokenizer to generate ZX Spectrum ... a .tzx file with a basic loader which loads an executes the ... -
128K Guru requiredThe answer eludeth me, and I seeketh a higher knowledge! I'm in the process of putting together a very simplistic emulation testbench of my laptop s…
... /> I put in the 8 RAM banks, 2 ROM banks, and ... fake/emulate for a sucessful 128K startup?
-- Richard -
48k disk basicWhen trying to use the CP/M colossal cave adventure .DSK file at [URL="http://www.alchemistresearch.co.uk/"]the CP/M section of this site[/URL] I got…
... comes up as "48K Disk BASIC IMC 1985/88", which I ... put the +3 into 64K RAM mode). It doesn't survive ... quite surprised by how many BASIC extension programs are on WoS ... -
RAM paging and port usageDear users and developers, I'm just trying to find some detail information about RAM paging on the Spectrum 128 and later models, especially those a…
... found:
Spectrum 128k and +2:
port ... is reset, same as Spectrum 128k and +2.
... of the second 8 RAM pages (RAM 8..RAM 15) is paged ... />
Pentagon 128k:
same as Spectrum 128k and +2
128k, bits 6 and 7 ... -
ZXS to TAP conversion......for the DOS illiterate. Basically I've saved a BASIC program in ZXS format. I need to convert it to TAP (I think), because it's so large it needs…
... /> Basically I've saved a BASIC program in ZXS format. I ... needs to access the 128K Spectrum's silicon disc.
I ... -
Copy interface ROM content to RamHi all, I have a very rare logitec centronics and disc interface. To save its ROM content I would like to copy it Ram and store it somewhere. How ca…
... very rare logitec centronics and disc interface. To save its ROM ... would like to copy it Ram and store it somewhere. How ... routine to copy from Ram area to Ram area could be sure ...
