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DivIDE QuestionHi all, I've been trying to work out how the DivIDE works and after reading and re-reading the DivIDE programming model document by Zilog I think it…
... I use the Spectrum ROM functions to do the display (RST ... use the ROM function. Read the Shadow ROM disassembly to understand the mechanism ... SVN ( [url]http://spectrum.alioth.net/svn/listing. ... a return from the Spectrum ROM is happening. The mechanism is very ... -
Dim commandI try o find a BASIC COMPILER for ZX SPECTRUM 128 that use DIM command with two or more letter as 10 DIM AB(10) instead of 10 DIM A(10) Any iforma…
... strings that follow plus the length of the longest string. A ... in this genre could do the Spectrum a lot of good ... but a thorough read of the ROM disassembly would probably be sufficient to ... working.
Alternatively, the +3e ROMS and ResiDOS both ... -
Dim commandI try o find a BASIC COMPILER for ZX SPECTRUM 128 that use DIM command with two or more letter as 10 DIM AB(10) instead of 10 DIM A(10) Any iforma…
... , but a thorough read of the ROM disassembly would probably be sufficient to ... Machine Code On Your ZX Spectrum[/url] (which is available here ... -
Easy way to print text in machine code?Please? It sounds so simple, but I've never done it. At the moment I'm grabbing the start address for each letter then printing them out one at a t…
... to be printed.
On the Spectrum the last character has bit 7 ... to print a string in the Spectrum ROM at $203C. Length in BC ... Paul Farrow's disassembly of the System Test Cartridge ROM.
For Several ... -
Rom Routines list ?Exist some document that show detailled the routines on the spectrum ROM ? Ad for the Spectrum +3 ? are they the same or exist more ? Example i was …
I think you may want to look at the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000076&loadpics=1"]Complete ROM Disassembly[/URL] book, WoS has the complete book as a PDF.
That might get you started. -
RFC: ZXI hardware interface standardisationReposted from c.s.s to reach a wider audience [QUOTE=Andrew Owen] You may have noticed that there are more people making add-ons for the Speccy than…
... NMI triggering, along with ROM mapping. As the original NMI code is ... must map in their ROM. The priority scheme proposed by ... that in the MSX video interface for the Spectrum). Will the ZXI ... perform complete bus decoding, and will take into account the ... -
Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... BASin but the one in SPIN is much better/more complete. Can ... you tell me the latest version of ... . Also want to look at the Spectrum ROM to see if I can ... /> Plus got to continue reading the MCODE book.
I ... -
Z80 Machine Code Question...Hi Folks, I know not strictly a BASIC question but I have started to learn Z80 machine code - 25 years too late! :smile: I have been reading a book…
... good at learning the codes for the instructions, and even the relative jumps ... BASin but the one in SPIN is much better/more complete. Can ... you tell me the latest version of ... Also want to look at the Spectrum ROM to see if I can ... -
Compact Flash adapterIm think about getting "making if I have too" a cf adapter what does everyone else use ? any info would be great... so far I found a diy "simple" i…
... difficult would it be to complete such a device for an ... ] I think I see the ZX Spectrum connector, the TTL (?) chip (74LS10) ... .avi[/URL] it looks like the Spectrum ROM is replaced with some form ... sence.
Is that the ROM you are supposed to download ... -
emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…
... happen in a spectrum emulator, as the machines are very ... the Harlequin project, which will be a full and complete spectrum ... using modern components (ie: an accurate spectrum clone)... ... rom (there are roms on that page), and use it as the ... -
The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... 's worth more as a complete working dev system than as ... have instant access to the entire cartridge ROM. The Amiga is more visually ... the Spectrum +3... most of the parts for the Mega-Drive were 'off the shelf'. The ... -
emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…
... happen in a spectrum emulator, as the machines are very ... the Harlequin project, which will be a full and complete spectrum ... using modern components (ie: an accurate spectrum clone)... ... rom (there are roms on that page), and use it as the ... -
Assembly Programming for IDIOTSOk are there any websites guides for what opcodes do in a z80 or books... but for really really thick people like me :-) Something along the lines …
... /> Comes complete, from power supply design down to hardcore ROM monitor software ... [U]NOT RELATED TO THE ZX SPECTRUM IN ANY WAY[/U]. ... But it kinda "paves the road" ... of the sheer power of the 40 legged 'roach. Even when the ... -
Spectrum 128K RS232 to PC serial cableIf you have read some of my recent posts then you will know that I am eager to link my Spectrum +3 to a PC. This will be done by wiring a standard PC…
... of 24 BYTES to the Spectrum and then the Spectrum either receives more data ... based ROM link with a constant full duplex connection for the serious Spectrum ... +3DOS formated discs.
Upload complete +3DOS formated disc snapshots to ... -
T/S 2068 & SpectrumBorrowing what you see below from the Timex Sinclair 2068 Beginner/Intermediate Guide, by Fred Blechman. It appears the T/s 2068 was intended to be …
... . The 48k spectrum can only swap out the bottom 16k page, the 128s only the ... the system software was complete.
The early release was responsible for the ... hold the spillover in another 8k ROM chip. This led to the introduction ... -
RGB to VGA convertor for ZX128/+2/+2A/+3David Luftner release source code (VHDL) of SCANDOUBLER for ZX128/ZX128+2/+2A/+3: [url]http://velesoft.speccy.cz/other/scandoubler-for-zx128_fixed_by…
... trouble to settle into. the Irony is a 100,000 ... to put an entire spectrum on it (with a ... complete Spectrum, because there is not enough block RAM to inplement 16K ROM ... it might cope with 16K ROM and 16K RAM).
... you cannot use all them the way you want, as ... -
Code Masters CD on ebay[url]http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=330553816486&ssPageName=ADME:X:BOCOR:GB:1123[/url] He's selling it for ? 99.99 but accepts …
... permissible under the interoperability clause of the 1992 amendment to the UK' ... . The question is, can the TZX format handle the data on the CD ... to take a look at the Spectrum ROM's loader, anyway... and ... I can't distribute any disassembly, but I will at least ... -
Challenge Sprint 4x tape recorderHi, I noticed a [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000051"]Challenge Sprint[/url] on eBay, and checked out the WoS entry for it…
... the Spectrum's ROM are accessed. The switch can switch between original ROM and modified ROM ... a complete replacement ROM. First, no copyright infringement. Second, the amount of ROM required ... -
Challenge Sprint 4x tape recorderHi, I noticed a [url="http://www.worldofspectrum.org/infoseekid.cgi?id=1000051"]Challenge Sprint[/url] on eBay, and checked out the WoS entry for it…
... designed for a 16K RAM Spectrum, so it loads entirely into ... /> - Was the first game I loaded into my 48K Spectrum, back in ... ]disassembly of the Sprint ROM[/url]. To ease the disassembly process, I have assumed that the ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... detect the instruction which eventually led to damaging ROM in ... reliable: if the bug didn't affect ROM I'd have ... to my understanding, writing to ROM was simply impossible, so how ... the complete (or at least a large part) of game disassembly works? Usually the ... -
What paging scheme is the "standard" for 128K models?Sinclair implemented an arrangement so that even numbered pages are non-contended, and odd numbered pages are contended (quoting from memory, haven't…
... (or at least, contended in the Sinclair Spectrum):
[code]
org ... normal operation between the Z80 and the ROM, suggests that the RAM address and ... wide enough to cover a complete bus cycle of this memory ... -
PLOT and DRAW in machine codeHow do you go about it? If I posted a really simple BASIC instruction could someone do a machine code routine so I could learn from it? I wouldnt k…
... by taking a look at the ROM routines, although they may be ... /zx82.htm"]Incomplete ROM disassembly[/URL] or the Complete ROM disassembly in the archive for the PLOT and ... -
Repairing another Issue 2 48K Spectrum.I said at the start of the other thread that I've got another one of these and I've started investigating it. The board is more-or-less exactly the …
... wondering what happened to this Spectrum.
I found both ... to be working in another Spectrum. The result was a black main ... 't work properly in the other Issue 2 Spectrum I've tested ... have a close look at the ROM disassembly to see whether I can ... -
Spectrum 48K - upper memory MIAI have recently acquired a ZX Spectrum which, according to the sticker on the bottom, should be a 48K model. It's an Issue 3 board, with upper memory…
When the Spectrum starts up, the code in ROM causes it to ... repairing an Issue 2 Spectrum and perhaps the ROM disassembly.) As soon as ... as your Spectrum reaches the first address in the upper RAM ... shorting or interfering with the address/control lines that ... -
Minimal BASICAndrew Owen has just uploaded [B]Standard ECMA-55: Minimal BASIC [/B]to the Full Books archive on WOS. Thanks! [url]ftp://ftp.worldofspectrum.org/pu…
... />
Specifically, the OPTION BASE statement (presumably ... '1' on the Spectrum (although IIRC, the ZX80 allowed subscripts ... (particularly the tantalising interpretation of the coding of ... , around location #178B in his ROM disassembly).
... -
The Sinclair ZX Microdrive Resurrection Project (long)Dear Spectrum fans! [Management summary: Download [url]http://www.bartheld.net/temp/mdv2img.zip[/url] and tell me what you think. All help very much…
... 's possible to map the DivIDE RAM/ROM in and out like ... it's possible with the IF ... are better executed on the PC because of the Spectrum's extremely limited ... capabilities. It even can't keep a complete ... -
Hidden Spectrum emulator discovered in Goldeneye (N64)Commence ewgf's mind being blown in 3...2...1... [url]http://news.ycombinator.com/item?id=3770288[/url] [url]http://www.therwp.com/forums/showthread…
... complete somehow - all those games, fully playable, and after all the times the ... file fill the bottom 16kb of the Spectrum's memory. On the original Spectrum, the bottom ... to call one or two Spectrum ROM functions. The solution to this was ... -
ESXDOS v0.8.0 released (with NMI Browser)Hello, To celebrate the speccy's 30th birthday, here's the latest version of ESXDOS for DivIDE users. The full changelog is too long to post here, s…
... ]No. Sadly the device is hardcoded to Spectrum ROM entry points. The only way ... the NMI menu shows only the first characters of the filename. FATware shows the complete ... /> Is it possible to see the complete filenames instead in ESXDOS NMI ... -
Faster interfaces for data loading?Hi! I'd like to know which is the simplest interface to build WITHOUT using the +3e rom. I'm quite bored to load data using PC soundcard to real spec…
... think you have to connect the spectrum and the interface to something. I ... trivial). The main spectranet rom module that handles all the controlling of the hard ... is the file system driver portion which is currently about 2% complete ... -
Outrun Europa in colourSwainy suggested that he'd like to try his luck with Outrun Europa colorful graphics and see if they can be improved. Let's give him the chance :) A…
... enhanced ROM (SE BASIC).
Of the three components of the project ... .
The Spectrum SE hardware isn't a complete failure. The prototype has ... all-RAM mode (such as the IF2 ROM carts).
If ...
