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IDE harddisk emulation usageNot 'howto' question :) I'm curious about how many people tried it. It exists in Spin, Fuse & RealSpec - in last is most interface supported. 8-bit …
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Google... I don't know what is Google :)
t be true. You used INIR ... read, and it takes 21 T states (except last transfer - 1 of ... -
IDE harddisk emulation usageNot 'howto' question :) I'm curious about how many people tried it. It exists in Spin, Fuse & RealSpec - in last is most interface supported. 8-bit …
... ) are wrong. It simply can't be true. You used INIR ... read, and it takes 21 T states (except last transfer - 1 of ... at the most I can't see it makes much difference ... -
IDE harddisk emulation usageNot 'howto' question :) I'm curious about how many people tried it. It exists in Spin, Fuse & RealSpec - in last is most interface supported. 8-bit …
... ) are wrong. It simply can't be true. You used INIR ... read, and it takes 21 T states (except last transfer - 1 of ... -
IDE harddisk emulation usageNot 'howto' question :) I'm curious about how many people tried it. It exists in Spin, Fuse & RealSpec - in last is most interface supported. 8-bit …
... ) are wrong. It simply can't be true. You used INIR ... read, and it takes 21 T states (except last transfer - 1 of ... -
IDE harddisk emulation usageNot 'howto' question :) I'm curious about how many people tried it. It exists in Spin, Fuse & RealSpec - in last is most interface supported. 8-bit …
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Right, INI takes 16 T states. I probably looked into source ... -
Emulating the SamRAM on the ZX Spectrum SEGerton Lunter gave me permission to reuse the code, but so far I have not been able to get the software to work in paged RAM banks.
... possible, a production SE shouldn't include switchable CPU timing, cycles ... scanline length in 1/2 T-States, size of the top & ... -
Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…
... to between 589 and 663 T-states on the ZX81 with a ... 3.25MHz clock. 637 T-states looks reasonable upto now.
states that all t-states should be calculated assuming ... 637 * (325/350), or 592 T-States?
MikeW -
Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…
... pulse is ~637 T-states long)" - but I don't know how accurate ... of tzx specification it states that all t-states should be calculated assuming ... 637 * (325/350), or 592 T-States?
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The ... -
Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…
... /> - Each "double-pulse" is 975 T-states long, divided into two pulses ... pause.
I haven't considered any additional time for ... -
Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…
... to your experience in counting T-states, but those figures just feel ... doesn't do contention, in the spectrum sense anyway. WAIT states are ... when interupts occur so shouldn't affect tape routines.
Draft specs for TZX v1.20Hi all! In the attempt to restart the development of the TZX format, I've put online the first version of the draft document [1]. At the moment ther…
... , but I've counted the T-states once again and the numbers ... /48000)*(59/4)=998.7 T-states at 3.25 MHz, which ... almost perfectly the theoretical 975 T-states desumed from the ROM routine ...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…
... ' method undoubtedly uses up more T-states than the 'floating bus' probe ... the same genre (I haven't yet looked at the game ...Keyboard emulation accuracyWhen the IN function checks the keyboard how accurate is it in a real speccy? For example, say you had lightning fast hands and a keyboard that coul…
... than 11 T states. Basic command IN takes probably several thousands T states - there ... will be many T states between keypress or ...Convert x,y to Attribute Address in AssemblyWhat is the fastest way, given x,y (in hl) to return the attribute address?
Yeah, that'll do it nicely. Adds another 70+ T-States to the routine tho'. Personally I'm not a fan of using ROM routines unless I'm going for space-saving code, but that's just me.
Should give Rob a few ideas to try out anyway.Convert x,y to Attribute Address in AssemblyWhat is the fastest way, given x,y (in hl) to return the attribute address?
... want to save 30-odd t-states at the expense of a ...Method to read byte as binary string rather than dec?Hi all Am fiddling around with the screen buffer and have written a routine to scan the screenbuffer into upper ram and then write it back in upside…
... faster.[/quote]
Can't do that on a Spectrum ... data would take about 5000 T-States or so (clock cycles basically ...Method to read byte as binary string rather than dec?Hi all Am fiddling around with the screen buffer and have written a routine to scan the screenbuffer into upper ram and then write it back in upside…
... :32, cyborg wrote:
Can't do that on a Spectrum ... data would take about 5000 T-States or so (clock cycles basically ... /> The ZX has approx 70000 T-States per frame, but this depends ... would take about over 40000 T-States, and that's not taking ...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…
... , min, and average number of T-States it takes to pass through ...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…
... , min, and average number of T-States it takes to pass through ...Codies help? Werewolves of LondonHi All, never one for shying away from the deep end, having only just dipped my toe in to the world of machine code I find myself trying to find out …
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What you haven't noticed is that an interrupt ... - it's at 69886/69888 T states as you can see from ... overflow maybe? The code doesn't make much sense at that ...Assistance with IM2 routineI subsequently got a working IM2 routine.
... the table so I don't have to recalculate all the ... /> Anywhere, really. Assuming you don't want it in the ROM ... already sacrificed quite a few T-states to enable the mixed mode ... 's a lot of wasted T.Determining 50hz/60hz in softwareHow can you determine in software if you are running at 50hz or 60hz?
I don't think that given code with ... . May calculate timings by exact T-states, or just run it on ...How to speed up TZX loading (emu development)With many newer emulators there are options to do faster loading schemes, even for turbo-loader or protected loader blocks in TZX files. For example,…
... to run as usual. Wouldn't I have to bodge R ... info, or even fiddle the T-states to ensure adequate frames have ...Speccy 128k Double Buffering.If I understand this right, you display either of the screens, and draw to the one that is not being displayed. Am i right in thinking that the Non …
... , timed so that you don't get a shear effect.
T-States (call it 40 if you ... second screen, and still won't compare time-wise.
Biotoxins redumping projectI've been spending quite a bit of time between dumping STP / MIA titles at looking at the titles flagged by Biotoxin as possibly needing a redump... …
I had to use an old version of CSW Viewer on GFOL side 2. The 0 bit is 563 and the 1 bit is 810 T States. 16642 bytes. The pilot tone looks normal. What did you find Mikie?Biotoxins redumping projectI've been spending quite a bit of time between dumping STP / MIA titles at looking at the titles flagged by Biotoxin as possibly needing a redump... …
... the 1 bit is 810 T States. 16642 bytes. The pilot tone ... really arcane stuff! You aren't by any chance working for ...MAME on the Spectrum?Yes, I know it's currently AY's job to make ludicrous posts (a position he's filling in very well, until TKRAP returns), but just out of interest, if…
... opcodes only use so few T-states, making it slower on a ... the APPLE I emulator however states that it is only a ...Biotoxins redump project #2There's been an update recently at Alexanders redump project:- [url]http://newton.sunderland.ac.uk/%7Ebiotoxin/Bad-Tzx/Index.html[/url] I've worked h…
... , same as Drosoft release. Isn`t the 48k version a covertape version?did 128k machines dominate ZX market?I have a question about 128k Spectrums. Did they dominate the ZX market in late 80's / early 90's? I mean where there more 128k users than 48k users …
[QUOTE=zeropolis79]I have TZX files and they work in 48k emulation..[/QUOTE]
Yeah, I actually have an original copy of the game, and it states 48k/128k on the tape.
