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"Sinclair Zx Spectrum: Absolutely Better Than Commodore 64"Did you ever read this? [url="http://www.alfonsomartone.itb.it/fztsmo.html"]http://www.alfonsomartone.itb.it/fztsmo.html[/url]
[quote]
On 2005-07-18 14:44, Philip Kendall wrote:
Floating bus. RTFFAQ :)
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Language Phil!!!!!!
you'll make some of us blush :D -
Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…
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It requires accurate floating bus emulation to run properly.
Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…
[quote]
On 2005-11-30 23:10, Jon Needle wrote:
It requires accurate floating bus emulation to run properly.
[/quote]
About bloody time!Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…
... ]
It requires accurate floating bus emulation to run properly.
I've heard about the floating bus effect before, and knew it ...Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…
... now read up on the "Floating Bus" info and with the aid ...Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…
... the routine probing the 'floating bus' is checking for the ... wrong by removing the 'floating bus' IN instructions, as ... issue, so presumably the 'floating bus' synchronisation code was removed ... generic method to remove 'floating bus' code from affected games ...Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…
... /> The pokes simply bypass the "floating bus probe", and install the HALT ... for putting me onto the "floating bus" issue - I would never had ...128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…
... games which take advantage of floating bus behaviour on the 48k/128k ...128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…
... I've ever encountered the 'floating bus' bug. Everything I've tried ...128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…
... :43, Dunny wrote:
The floating bus was an effect that meant ...128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…
... :43, Dunny wrote:
The floating bus was an effect that meant ...128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…
I did the "floating bus" or port $FF fix with ...128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…
... wrote:
I did the "floating bus" or port $FF fix with ...128k, +2, +3ok i`ve asked a lot of questions over the few days but this is gonna be my final one on whats what unless i get lost once i get my apeccy so here goe…
... :
There's that damn floating bus again!
[/quote ... With the revelation that the floating bus is not implemented in hardware ... emulators do not emulate the floating bus effect, I don't ... the above posts,I think floating bus code can pretty much ...Beginner InfoI have trying to find some hardware information for use with assembly coding but havn't had much luck. For instance. How do I redirect the vertical …
... of exceptions) so the bus is left floating when the z80 wants ... on all 8 data bus bits, a floating bus means 255 is sitting ... on the data bus. So when ... throw garbage on the data bus when the z80 is looking ...What is an "Unknown Port"?Port FF is unknown and so can return screen data on a 48k/128k/+2 models. But what if no Kempston mouse is plugged in. Is Port DF classified as unkno…
Woody calls them "unattached ports" - if there's not hardware attached then the port read will return floating bus on 48k/128k based machines.
D.Spectrum Game CompatibilityHi, At the moment I have a spectrum 48k. I am planning to get a 128k +2, but I have a problem. Will my 48k games work on 128k +2? Because some of the…
... the ULA and removed the floating bus effect. Although this was a ...Spectrum Game CompatibilityHi, At the moment I have a spectrum 48k. I am planning to get a 128k +2, but I have a problem. Will my 48k games work on 128k +2? Because some of the…
... the ULA and removed the floating bus effect. Although this was a ...Spectrum Game CompatibilityHi, At the moment I have a spectrum 48k. I am planning to get a 128k +2, but I have a problem. Will my 48k games work on 128k +2? Because some of the…
... the ULA and removed the floating bus effect. Although this was a ...RealXThis may be a dumb question but will RealX ever get released?
Also, it looks like some documentation errors exist in Ramsoft's floating bus article. It neither matches the real machine's behaviour or RealSpec's implementation.The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…
... /> Anyhow, A7 on the address bus during refresh cycles is still ... first display byte on the floating bus appears after 14339 cycles for ...RealXThis may be a dumb question but will RealX ever get released?
... , electron beam offset, snow effect, floating bus) using more modern hardware, so ...RealXThis may be a dumb question but will RealX ever get released?
... snow mechanism and all our floating bus tests match the real 48k ...RealXThis may be a dumb question but will RealX ever get released?
... of the ULA's private bus are crossed in the 48K ... snow mechanism and all our floating bus tests match the real 48k ...Arcadia - by ImagineArcadia, by imagine. I thought I'ld play this last night, but its pretty awful to control Anyone know whats with the random movement and occasional…
... (port 127) which contains the floating bus value when read outside of ...Announce: Fuse 0.8.0Version 0.8.0 of [url=http://fuse-emulator.sourceforge.net/]Fuse[/url], the Free Unix (and OS X) Spectrum Emulator has been released. The major chang…
Sidewize is (in)famed for being tricky to emulate due to its use of the floating bus effect to synchronise the display, which is almost certainly what's going on here. Thanks for the bug report.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…
... contended IO read of the floating bus (because that T-state is ...
