-
Spectrum CP/MHello.. Just out of curiosity, has anyone actually used +3 CP/M for any practical purpose? I remember booting it up a couple of times years ago, jus…
... you have to have enough paging registers to make a genuinely ... of extra logic, memory and timing room, so I didn't ... -
ZXDS 1.1.0Hello, once again a [URL="http://zxds.raxoft.cz"]new ZXDS version[/URL] is out. The major changes are the custom ROM support and Beta 48 emulation, …
... like to say thanks to Patrik for adding support for external ... really like to see is timing accurate +2A support.
ZXDS 1.1.0Hello, once again a [URL="http://zxds.raxoft.cz"]new ZXDS version[/URL] is out. The major changes are the custom ROM support and Beta 48 emulation, …
... like to say thanks to Patrik for adding support for external ... really like to see is timing accurate +2A support.[/QUOTE]
timing was the easy part. It ... took most time.
PatrikPentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…
[QUOTE=Patrik Rak;228409]I wondered if ... Pentagon floating bus behavior and timing.[/QUOTE]
Bump.
Thanks,
PatrikPentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…
... the timing info necessary.
Thanks a lot.
PatrikNew test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
... machine uses the late CPU timing.
EDIT: actually, see later ... this is in fact early timing.
[QUOTE]
ptime ... was most helpful.
PatrikPentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…
... the early to late CPU timing as they heat up, so ... to make sure that the timing hasn't changed in the ... .
Thanks,
PatrikNew test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
... after, to make sure the timing didn't change while the ... .
Thanks,
PatrikNew test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
... BiNMaN's machine showed late timing. But it turns out this ... is all really early timing, which is consistent with the ... info. Thanks again.
PatrikNew test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
... if you could run the timing.tap test from [URL="http ... ...
Thanks,
PatrikNew test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
... may be due to subtle timing differences, or because the +3 ... of all this.
PatrikNew test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
... got the emulation of screen paging (and I/O contention) right ... on that machine.
PatrikPentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…
... things...
[QUOTE=introspec;758324]Patrik, I spoke to Deathsoft and ... . I will just get the timing right, as you say it ... comparison. Thanks again.
PatrikPentagon floating bus timingI wanted to take a little break from working on the ZXDS UI yesterday, so I added support for Pentagon timing instead, so I can finally enjoy the lik…
[QUOTE=Patrik Rak;758728]I still haven' ... port.
As for timing, the first value shall appear ... previous attribute, depending on the timing characteristics of the chips used ... the intended behavior.
PatrikNew test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
[QUOTE=Patrik Rak;757618]This [ptime test ... got the emulation of screen paging (and I/O contention) right ... , too. Any volunteers?
PatrikNew test for finding missing +2A/+3 ULA timing detailsHello, having added the +2A/+3 emulation recently, I want to make sure I got the ULA timing 100% right. We know when the contention pattern starts, …
... the propagation delays and other timing details of all that. All ... source of the early/late timing differences. It's ok if ... . Thanks so much.
PatrikSCF/CCF flags - new discoveryI can't believe that no one is interested in discussing the additional, previously undocumented internal state of the Z80 CPU I have discovered recen…
... time, it always honors the timing info loaded from the snapshots ... its own timing info for the subsequent frames anyway...
PatrikTotally random idea for the hardware nuts to exploreWhen it comes to multi-player games, how hard would it be to generate a second display from a single Speccy, instead of trying to link up machines, s…
... games with tight multicolour graphics timing loops and the like where ... problematic. Especially with all the paging and going up and down ...Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... multicolour too, and 128K-like paging would be nice, given what ... those switched on, super-accurate timing wouldn't really matter all ...Fuse 1.1.1 releasedOn behalf of the Fuse team, I am pleased to announce the 1.1.1 release of Fuse. The changes from the recent 1.1.0 are relatively minor, mostly correc…
[QUOTE=Patrik Rak;767445]Yeah, that's ... any software that required precise timing at the time it wasn ... changes to figure out the timing for HAM256 as I didn ...Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... multicolour too, and 128K-like paging would be nice, given what ... those switched on, super-accurate timing wouldn't really matter all ...HDMI generation by cloning video ram(coming from [url]http://www.worldofspectrum.org/forums/showthread.php?p=768257&posted=1#post768257[/url]). A thing I was brainstorming about.. Why …
... have to synch with the timing.
BUT, if you made ... multicolour, and 128K paging, then maybe the timing could be ignored.
timing - even if you're in ...128K shadow screen?Hi How does the shadow screen feature work , and how can it be used?
... do with the screens or paging.
If you're ... ) then maybe you're not timing your screen swaps to the ...128K shadow screen?Hi How does the shadow screen feature work , and how can it be used?
... do with the screens or paging.
If you're ... ) then maybe you're not timing your screen swaps to the ...ZXDS 1.3.0Hello, I am really glad I can announce one more [URL="http://zxds.raxoft.cz"]ZXDS release[/URL] on this special day. The major new feature is the lo…
... accurate +3 ULA screen switching timing for +2A/+3 and improved ... Pentagon screen timing, too.
[QUOTE=slenkar ... up with. Sorry.
PatrikBanked memory running slower?I've just compiled a TAP which includes bank6, it loads ok, but the routines that are paged in run slightly slower. The Z80 snapshot has no such pro…
... bank 0 or 2 for timing critical code. Since bank 2 ... loader to use a different paging scheme on different models!)Banked memory running slower?I've just compiled a TAP which includes bank6, it loads ok, but the routines that are paged in run slightly slower. The Z80 snapshot has no such pro…
... bank 0 or 2 for timing critical code. Since bank 2 ... loader to use a different paging scheme on different models!)[/QUOTE ...Timing_Tests-48k_v1.0 results...Hello All, I ran these [URL="http://www.zxspectrum4.net/op_timing.php"]tests[/URL] on my emulator and some of the tests failed.. so I tried it on a …
... is to test the contention timing, not the emulation of peripherals ... subsequent INs and thus the timing at all. I guess I ... do this change...
PatrikTiming_Tests-48k_v1.0 results...Hello All, I ran these [URL="http://www.zxspectrum4.net/op_timing.php"]tests[/URL] on my emulator and some of the tests failed.. so I tried it on a …
[QUOTE=Patrik Rak;803871]FWIW, ZXDS passes ... is to test the contention timing, not the emulation of peripherals ... subsequent INs and thus the timing at all. I guess I ... do this change...
Patrik[/QUOTE]
I get ...ZXDS 1.3.0Hello, I am really glad I can announce one more [URL="http://zxds.raxoft.cz"]ZXDS release[/URL] on this special day. The major new feature is the lo…
[QUOTE=Patrik Rak;776679]I had my ... and improved Pentagon screen timing, too.
Patrik[/QUOTE]
