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Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... be perfectly in sync for contended memory (since the ULA will ... -
Unconventional way of diagnosing a faultHi everyone Some time ago I got a 48k Spectrum (issue 3B board) in a pretty bad condition. I believe the power supply transistor TR4 failed, causing…
... be perfectly in sync for contended memory (since the ULA will ... -
Border emulationHow is the border emulated to do all the fancy little tricks such as in Aquaplane? I've got some basic border emulation working but it only displays…
... emulation of memory (and possibly IO) contention is required. Without it ... -
Border emulationHow is the border emulated to do all the fancy little tricks such as in Aquaplane? I've got some basic border emulation working but it only displays…
... emulation of memory (and possibly IO) contention is required. Without it ... -
The new GP2Xpectrum releases threadYeah, I know the thread title isn't exactly too original, but I've decided that just one post to hold all updates makes more sense than a lot of smal…
... , I'll probably leave precise contended memory emulation as optional for ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... .uk/frobush/saucer/Z80/Source/contended.asm[/url]
[url]http ... -
"Add Watch" Debug for EmulatorsHi, I am working on completing a JSW-style game that I started in 1991. Although programming using TASM and Spectaculator is far easier than on th…
... bothered about the emulation of contended memory. Nice one mate. -
Yesteryear's Computers.Ahhhh ... [URL="http://www.computerworld.com/action/article.do?command=printArticleBasic&articleId=9023960"]back in the day[/URL] when a 300mb system…
... .
I blew up the IO-interface while building a transfer ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... .uk/frobush/saucer/Z80/Source/contended.asm[/url]
[url]http ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... .uk/frobush/saucer/Z80/Source/contended.asm[/url]
[url]http ... -
Beautifully programmed gamesJust watching the bobby bearing tzx and admiring the beautiful programming involved. Which other games would you say had asthetic programming opposed…
... .uk/frobush/saucer/Z80/Source/contended.asm[/url]
[url]http ... -
New Spectrum HardwareHi all. Well its Friday so it seems as good a time as any (business is a bit slack at the moment) to start up a thread about creating new Spectrum ha…
... .e. 3.5hz but no contended memory)
[/QUOTE]
Yes ... -
Machine CodeHi all, I want to get a machine code/assembler/dissasembler program from the WOS archives. But what in your opinion would be the best to get? I don`t…
... .uk/frobush/saucer/Z80/Source/contended.asm[/url]
[url]http ... -
Retro Fighter shoot-em-up development updateHi all, Some of you might recall I was developing a little shoot-em-up with the working title of Retro-Fighter. Well after a long hiatus I managed …
... 7 on the 128k is contended ram - making it unsuitable for ... -
Harlequin ZX Spectrum Clone now 100% compatible!Hi all! The Harlequin ZX Spectrum clone now shows full timing compatibility with the ZX Spectrum! 8-) Both the ULA IO and memory contentions are fa…
There are some 'harder' tests of timing like Shock Megademo and similar.
Little simpler is this: [url]http://www.ppest.org/zx/et/BBG.ZIP[/url] - shows TV bar if contended emu. (cloning) is good. -
Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
... 's possible![/QUOTE]
Io (Jupiter) and Rhea (Saturn) are ... -
Oneliner contestHello to you all, I dare you to make a program on 1 BASIC line. Here is the place to sent your ONELINERS [url]http://www.zxspectrum.00freehost.co…
[QUOTE=Einar Saukas;211629]Io (Jupiter) and Rhea (Saturn) are ... I agree. I think for Io, this will imply a space ... station at Io, due to the volcanic activity ... significant size.
Ideally Io would be yellow, due to ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... Harlequin is not enough. The contended instructions seem to align correctly ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... that there's no real contended memory information in there, so ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... that there's no real contended memory information in there...[/QUOTE ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... /> b) The cycles in an IO instruction that experience contention, and ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... ]b) The cycles in an IO instruction that experience contention, and ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... means that T3 of an IO read of port 0xFF must ... until 14337, but if an IO instruction is [B]executing[/B ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... ]
Philip, I get IO and Memory contention Passes on ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... until 14337, but if an IO instruction is [B]executing[/B ... , including 14335 and 14336. No IO involved. On Fuse, it produces ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... refresh it's seeing the contended address range [B]but[/B ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... , including 14335 and 14336. No IO involved. On Fuse, it produces ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... LDIR, which has five single contended "steps" at the end? -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... LDIR, which has five single contended "steps" at the end?[/QUOTE ... -
Contention and floating bus timingHello, I was recently playing a bit with memory contention and floating bus stuff in ZXDS and there is one thing which puzzles me a bit. It is the d…
... in every way, with demos, IO and memory contention test code ...