-
problem using FRAMES to generate 'random' numbersI realise the pros use bytes from ROM to get their random numbers, presumably because they want to use FRAMES to synchronise the printing and avoid s…
... the pros use bytes from ROM to get their random numbers ... to calling a byte from ROM?
here's a ... -
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…
... /> RAM and 65536 bytes of ROM making 196608 bytes (192K) in ... memory as 16K of
ROM and 48K of RAM ([B ... 64K of RAM with no ROM - though this latter
combination ... a program to "disconnect" the ROM memory completely and to write ... -
fao Winston, Flash romssince you are an expert on flash roms :) do you know how a spectrum +3 can be modified to use flash chips from old motherboard bios chips etc? the r…
... couldn't flash an internal rom because it's using it ... -
Spectrum Shadow ROM Disassembly[url]http://www.worldofspectrum.org/infoseekid.cgi?id=2000371[/url] Anybody got a nice clean copy to sell in the UK? Cheers
[url]http://www.worldofspectrum.org/infoseekid.cgi?id=2000371[/url]
Anybody got a nice clean copy to sell in the UK?
Cheers -
+3 Original 4.0 RomsHi, I've replaced the original +3 4.0 Roms with the +3e, programmed on two 27c256 eproms. Everything works ok. Anyway I want to backup my original 4…
... +3 4.0 original Rom files (pl3-x.rom, x>=0 ... -
Replacing original 48k roms with...Hi, is it possible to replace (without serious hardware modifications) the original 16k ROM on a Spectrum 48k with an Eprom programmed with ROM take…
... hardware modifications) the original 16k ROM on a Spectrum 48k with ... an Eprom programmed with ROM taken from some Spectrum compatible ... ? If It's possible, what ROM chip should I replace and ... -
Japanese-only or lesser-known games you playedI've noticed by their comments there are a few people on WOS (hi Vertigo, dm_boozefreek etc.) who have played titles which were either never released…
... it could play all CD-ROM games (no region check) and ... -
Interface 1 emulation issuesFor Virtual Spectrum v3.0 I am implementing virtual Interface 1 and Interface 2 options! The I/F2 ROM option works already, and I have got the I/F1 s…
... 2 options! The I/F2 ROM option works already, and I ... got the I/F1 shadow ROM paging itself in and out ... -
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 …
... :-() E.g. for calling the ROM FP-CALC etc, as I ... -
BetaDisk InterfaceHi, I have a beta disk interface - alas it must be one of the earlier versions and will not work with a 128K spectrum. Does anyone know if I can ge…
Hi,
I have a beta disk interface - alas it must be one of the earlier versions and will not work with a 128K spectrum.
Does anyone know if I can get it to work by re-programming the ROM with the v5 128K EPROM? -
MAME (PC based) QuestionI want a version of MAME for Win XP / Pentium 4 that supports the hi score save - I seem to remember, from a forum somewhere, that after a certain ve…
Problem with ForumsI was -as usual- browsing the forums today, with my trusty FireFox. I normally open the [B]NewPosts[/B] pages (2 today), and go back from the last on…
... got to the [B]IF2 Rom snapshot creation[/B] thread and ...SE Basic 2The next version of Sinclair Extended BASIC will be based on Open82 which incorporates the math library from the ZX81 ROM and is distributed under th…
The next version of Sinclair Extended BASIC will be based on Open82 which incorporates the math library from the ZX81 ROM and is distributed under the GNU GPL.The Complete Spectrum ROM Disassembly bookRwap's doing alright here. [url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=130216082005&ssPageName=STRK:MEWA:IT&ih=003[/url] I never…
Rwap's doing alright here.
[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&rd=1&item=130216082005&ssPageName=STRK:MEWA:IT&ih=003[/url]
I never realised this was such a popular book.
I have a copy ...FAO Winston, Why won't this work?I have redesigned my Flash Rom board, yet again, so that it might perhaps work... any glaring flaws? [IMG]http://alistairsserver.no-ip.org/flash%20…
I have redesigned my Flash Rom board, yet again, so that it might perhaps work...
any glaring flaws?
[IMG]http://alistairsserver.no-ip.org/flash%20rom.PNG[/IMG]Converting a rom file into a tzx or tap file. PLease Help!!I want to load Roms int-o my cip01(spectrum clone). How to convert them into tzx or tap files?
I want to load Roms int-o my cip01(spectrum clone). How to convert them into tzx or tap files?ULA Book - Target Audience?This is probably of most intrerest to hardware chaps, but a greater community input would be good. I've been turning all my ULA analysis into a love…
... make up the Specturm (RAM, ROM, Z80 etc). This might be ...Spectrum Ethernet update...in which the software starts to take shape, with the socket interface now properly in ROM, the indirect jump table set up, and a C library for the…
... socket interface now properly in ROM, the indirect jump table set ...Simple CF card interface for interested...I'm about to manufacture smaller count of simple CF card interfaces for Spectrum 48K. Some details and supporting SW are here: [url]http://www.ppest…
... />
IF will be with ROM on board - it is necessary ... troubles with internal ROM replacement.
SW in ROM (some kind OS ...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…
... the 8 RAM banks, 2 ROM banks, and emulated port 7ffd ...Videotron cable gamesDid anyone else here used to have cable TV that came into a Videotron box? I had it in London in the mid-90's and it had some decent games on it, inc…
... any sort of information, a ROM, or anything at all about ...Faulty M1 pin on a Z80 made from SGS?It's the second time I have come across this: a Spectrum that seems to work ok, but if I attach an Interface 1 or a DivIDE to it, it behaves as is no…
... I boot it from a ROM cartridge, it works as expected ... the interface to map its ROM when needed. When I have ... iface1/divide not mapping its ROM into a working ZX Spectrum ...TR-DOS in ZXDS[QUOTE=Patrik Rak;278549]The goal is to get the TR-DOS working, I have started working on that yesterday, the TR-DOS ROM paging already works nicely …
... that yesterday, the TR-DOS ROM paging already works nicely and ...The Complete Spectrum ROM Disassembly book on ebayOn auction on ebay: [URL]http://cgi.ebay.it/ws/eBayISAPI.dll?ViewItem&item=280237186908[/URL]
On auction on ebay:
[URL]http://cgi.ebay.it/ws/eBayISAPI.dll?ViewItem&item=280237186908[/URL]Dump Sinclair character set to file?Hi guys, I'm working on a version of Manic Miner for the TI-99/4A. It's not a port, as I'm not looking at the original Z80 code, just re-creating th…
... character set is in the ROM, and also, I don't ...oh my the old days :)programming on the speccy again here is a routine i remember of the top of my head to load screens or code without a header wow 5 Clear 27999 : Re…
... calling the load routine from rom
i.e 5 ...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…
... 8000..BFFF. One of the ROM is paged at 0000..3FFF ... ". Using the special mode, no ROM is paged at 0000..3FFF ...ANN: InkSpector 1.0 finally released!Hi, InkSpector 1.0 is now available from [url]http://www.inkland.org.uk[/url] (Changes from v0.93 at the bottom of this msg) InkSpector is a scrip…
... replay file support
? .rom Interface 2 ROM support
? .zip file ... .
Added Interface 2 .rom file support.
inks ...How to run assembled code in emu?Sorry for the complete newbie question, but I can't figure this out anywhere. I've assembled a very simple program using z80asm on linux. Now I hav…
... identical file, but named it .rom) and I don't know ...Handling RST8 on a +3Well, I've come to that bit of my project that I wasn't really looking forward to (because I don't understand enough about the ZX BASIC ROM) - extend…
... enough about the ZX BASIC ROM) - extending the interpreter by the ... not entering the +3's ROM routine in the right place ... , or possibly the wrong +3 ROM is paged in. So:
