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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 …
... simpler and you have instant access to the entire cartridge ROM ... from VRAM. A single memory port can also be used to ... ).
Limitations on VRAM access are impossed during screen display ... top and bottom borders to access VRAM. A horizontal interrupt is ... -
Do ULAs die?Thought I'd start this thread as people often think their ULA is dead, when it's actually the RAM or power circuits. Searching the forum in the futur…
... ways, and Port 254 or lower 16k Ram access by the CPU ... -
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…
... moment in time to allow access to the 128K memory banks ... receive data from the AUX port @ 57600 BAUD:
[code ... />
; Read bytes from AUX port.
; > HL ... Sinclair RS232C 9 way serial port adaptor (?10) and one two ... -
Spectrum +3 and DivIDE+I have won a +3 on ebay. When it arrives, I know that I can use my DivIDE+ with it, but I have read about the +3E ROMs. I mostly use Spectrums to pla…
... use only one I/O port. For using software with reading ... ZX128+3, only sowtware using access to both I/O ports ... -
Spectrum +3 and DivIDE+I have won a +3 on ebay. When it arrives, I know that I can use my DivIDE+ with it, but I have read about the +3E ROMs. I mostly use Spectrums to pla…
... use only one I/O port. For using software with reading ... ZX128+3, only sowtware using access to both I/O ports ... -
Splitter & fixer & Kempston joystick interfaceI'm thinking of developing a small interface that combines these three elements: 1. A splitter like the [URL="http://www.worldofspectrum.org/infosee…
... /> Some kempston interfaces use uncomplette port adressation and ignore signal /RD ... selector. This BIOS not use access to DIVIDE PLUS extra memory ... -
The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... drive, the +2A/+3 parallel port, or own a Sinclair keypad ... only ones that give you access to the full UDG set ... -
The Ultimate Spectrum, made from old spectrumsGiven that all types of the Spectrum are less than ideal in one respect or another, I wondered what the ulimate refinement would be, but just using o…
... and can:
- disable memory access(disable mreq + ignore all romsc ... between data writed to paging port 23 on DIVIDE PLUS and ... any kempston interface with uncomplete port decoder (some joy interfaces ignore ... writed to divide plus paging port and device can't ... -
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…
... (just a port), but NeoGS allowed to use memory access in ROM ... -
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…
... (just a port), but NeoGS allowed to use memory access in ROM ... -
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... network and/or via serial port to PC. It should be ... via serial port using some simple mounting protocol enabling ZX access to ... -
yeah - unix for zx spectrumI started a new hobby project. An operating system for ZX Spectrum. A unix clone. Talked to my friend about it and he asked me what if after I'm done…
... is a slow means to access a flat memory model.
- microdrive driver
- serial port driver
- unix sys calls ... network and/or via serial port to PC. It should be ... via serial port using some simple mounting protocol enabling ZX access to ... -
How the spectrum generates the video from ramHi everyon, I know that most people here allready know this but i think i found out how the spectrum acctually dispalys stuff and why the LD x, (HL)…
The cpu and ula cannot access the display ram at ... , the z80 can happily access the other 32k without any ... One is to use dual-port RAM. These are ram chips ... the ula or display device access the ram half the ... time and the z80 access it the other half. ... -
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…
... EVO has a tape in port for connecting a tape recorder ... is the lack of direct access to mass storage (either by ... -
Chase HQ Pseudo 3d road algorithm ?Hello, I'm new to that forum and to the spectrum. I'm developping games for Colecovision (may be you hear about : Ghost'n Zombie and Smurf challe…
... -20 MHz), and allow to access video RAM during raster without ... even with all this, the port is inferior. It has bright ... -
An alternative method of input...Does anyone know of any software for the PC that will take text from its keyboard and output tones from the sound-card that are recognisable to the c…
... ... Personally, I don't have access to a real speccy at ... your .tap images before you port, for these kind of things ... -
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 …
... correct. Multicolors work incorrect and port FF return value FF as ... of us have fairly limited access to hardware, so it's ... decoding[/I])
[*]I/O port [I]behaviour[/I] (simply having ... -
Spectrum +3 Help pleaseI bought a +3 from a bootsale today, and when I got it back it didnt work (shock!) However after working out the +5V line on the PSU line was about …
... hard drive on the Z80 port, in its simplest form its ... as the +3e ROMS allow access to all drives.. -
contended memory...so memory contention on the toastrack and the grey +2 is in the wrong place compared to the documentation, yet the +2a/b and +3 it is in the correct …
... of port 7FFD, impossibility read from port 7FFD, fast I/O access and ... -
Fuse: what do you want to see?An open brainstorm. If you had a team of programmers working on [url=http://fuse-emulator.sf.net/]Fuse[/url], what would you tell them to work on? …
... at 0x0008, that reading from port 14+256*[I]n[/I ... ] over the parallel port, that bit 5 of port 2 is the ... when reading from port 10 controls the printer strobe line. That's ... as paging, and breakpoints on port I/O, but perhaps they ... -
DivIDE questionsHi All, I'm the proud owner of two DivIDE interfaces, that I have just "inherited" from a friend. One of them is the original one and the other one …
... then reading from joystick port work correct. DIVIDE memory ... any software write to port 23 (access to extra DIVIDE+ ... memory) then KEMPSTON (thanks to incorrect kempston port ... software not access to extra memory = not write to port 23 ... -
Tape preservation toolsIn the latest MakeTZX thread of doom several people said that it would be good to have active development of tape decoding tools. I needed tape file…
... . It also documents the Centronics port's data being written to ... by reading from port 14+256*n where n ... status being read from port 2, and the strobe line being at ... -
contended memory...so memory contention on the toastrack and the grey +2 is in the wrong place compared to the documentation, yet the +2a/b and +3 it is in the correct …
... of port 7FFD, impossibility read from port 7FFD, fast I/O access and ... -
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…
... slowed down by the disk access code in the interrupt routine ... (like the built-in Kempston port), you've still got around ... -
.tap to real tape please :)Odd one but given that despite my best efforts my PC will not output a clean or loud enough level (I tried using external speakers too using their ou…
spider do you have access to a decent hifi with ... is" levels..
just port it to a 16 bit ... -
Zxspectrum.net 403For some reason known only to certain people, anybody trying to get into [url]WWW.ZXSpectrum.NET[/url]'LL find that they don't have permission and ge…
... don't have permission to access / on this server.
Port 80[/I] -
Zxspectrum.net 403For some reason known only to certain people, anybody trying to get into [url]WWW.ZXSpectrum.NET[/url]'LL find that they don't have permission and ge…
... don't have permission to access / on this server.[/I]
Port 80[/I][/QUOTE]
I ... -
GUI/OS for the Spectrum?Hi, Is anybody working on a WIMP/GUI system for the Spec? Is there anything current out there? [url]http://snakeoillabs.com/wordpress/2005/10/30/8…
... original GEM, not the Atari port ... so we got to keep ... at Intel then and had access to some serious hardware to ... -
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…
... ESXDOS, which allows read/write access but is still in beta ... ;539584]The DivIDE Plus allows access to 128K Basic, although I ... old kempston interface with bad port decoder. It's bug in ... -
For Sale: Nintendo Game Boy (Original) + GamesYo! I have for sale an original white fat Nintendo Game Boy (has dodgy power switch). Has also the following games (all cart only): Wave Race Tetri…
... , but an x86 port of AmigaOS which can access the internet ! Oh ...
