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C64 & Spectrum loadingscreens!I was bored today, so I decided to compare some stuff. :) [url="http://www.lemon64.com/loadingscreens/"]http://www.lemon64.com/loadingscreens/[/ur…
... the ULA accesses the video memory in page mode. Ie, with ... DRAMs the memory address is split in half ... a new row. This makes memory access twice as fast. I ... someone who's experimented with memory contention can comment.
The ... -
whats your second favourite retro computerOk i'm going to assume that for most of us here the speccy is our favourite number 1 retro computer,its the best home computer in the world etc etc :…
... using this routine, not counting memory contention during the pushes.
Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…
... be impressive.
Yeah, memory is definitely a big consideration ... CPU time?
The memory contention (fast/slow RAM) of original ...Amiga MOD on ZX SpectrumWell, there were several question about music matters on WOS lats times, so I decided to describe some of my 'adventures', heheh, with MOD playing on…
... .
[quote]Yeah, memory is definitely a big consideration ... fit into the Spectrum's memory.
[quote]Adding ... If you segmented the paged memory so that samples had to ... .
[quote]The memory contention (fast/slow RAM) of original ...Games and Programs written in BASinHi all, The new version of BASin is about to be released in the next few days or so, and I'm gathering up example programs to include with it. I se…
... it does not "do" is memory contention, which is not necessary for ...A few questions regarding EmuZwinI had posted this in the development forum and then remembered there was an emulators forum, so apologies for the repetition. 1. I have been trying …
... something to do with contended memory, but don't know a ... FAQ for the details on memory contention.
[quote]
4 ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... which is a 16 bit memory address of the next instruction ... you want to dabble with memory contention at a later date, then ... the byte in the virtual "memory" array, and execute an action ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
Forgive me if I'm wrong, but doesn't Phil's test suite require an emulator that outputs advanced details and needs memory contention ?I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... outputs advanced details and needs memory contention?[/quote]
This is ...I would like to write emulatorHi guys, I'm new to this forum but I realise that you must get loads of posts from people asking "how do I write an emulator" so I'll try and be spe…
... it does have Spectrum-like memory contention in it. You can ignore ...SpeedloadersSince I read Lee Tonks' post about the speedloaded version of MM3 he did, I've been playing around with various speedload routines I found on TTFn & …
[quote]
On 2004-10-18 07:13, Dr BEEP wrote:
Why shouldn't it not run in the lower 16K?
[/quote]
Memory contention would send your timings off pretty badly.SpeedloadersSince I read Lee Tonks' post about the speedloaded version of MM3 he did, I've been playing around with various speedload routines I found on TTFn & …
... :09, Philip Kendall wrote:
Memory contention would send your timings off ...InterruptsCan someone help with providing some info or a link about IM 2. I know I need to create a vector table and want to store this as high in memory as po…
... store this as high in memory as possible to keep it ... the table is in contended memory, some Spectrum models will show ... display. This is because during memory refresh the z80 puts IR ... into thinking there is a memory contention whem there is not.
Which Emulator do you use the most? and whyI currently use ZX32, it's free, which is great but it's not as fast as I'd like. Please everybody, tell me your fave emulator and why. I'm quite …
... like the floating bus and memory contention. However most software will run ...Which Emulator do you use the most? and whyI currently use ZX32, it's free, which is great but it's not as fast as I'd like. Please everybody, tell me your fave emulator and why. I'm quite …
... many correctly take care of contention and display timing.
[/quote ... : even if you completely ignore memory contention and just plot the display ...Which Emulator do you use the most? and whyI currently use ZX32, it's free, which is great but it's not as fast as I'd like. Please everybody, tell me your fave emulator and why. I'm quite …
... : even if you completely ignore memory contention and just plot the display ...Which Emulator do you use the most? and whyI currently use ZX32, it's free, which is great but it's not as fast as I'd like. Please everybody, tell me your fave emulator and why. I'm quite …
... .
[/quote]
IMO, memory contention really isn't hard to ... something morally equivalent to tstates += contention[ tstates ] around your code.
Which Emulator do you use the most? and whyI currently use ZX32, it's free, which is great but it's not as fast as I'd like. Please everybody, tell me your fave emulator and why. I'm quite …
... many correctly take care of contention and display timing.[/quote]
Memory contention is very easy to code ... to find out if the memory access is in a certain ...Which Emulator do you use the most? and whyI currently use ZX32, it's free, which is great but it's not as fast as I'd like. Please everybody, tell me your fave emulator and why. I'm quite …
... 11:33, Spirantho wrote:
Memory contention is very easy to code ... to find out if the memory access is in a certain ... all for a windows emulator. Contention isn't an issue for ... ROM. But you'll need contention (or at the very least ...ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
... of that, SPIN offers accurate memory contention which BASin does not - so ..."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]
... /> The CPC does have more memory contention though which slows it down ..."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]
... /> The CPC does have more memory contention though which slows it down ...Spectrum emulator tests on WEB?I searched little with google, but didn't find it. Can I get some URL?
... wrong.
SPIN's memory contention is apparently "not good" when ...Spectrum emulator tests on WEB?I searched little with google, but didn't find it. Can I get some URL?
Interesting findings D. perhaps piters would like to comment on the 'bad memory contention' issue.Spectrum emulator tests on WEB?I searched little with google, but didn't find it. Can I get some URL?
... .
The coloured bars are memory contention.
I might also ...Spectrum emulator tests on WEB?I searched little with google, but didn't find it. Can I get some URL?
... />
[quote]
SPIN's memory contention is apparently "not good" when ...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.
... CPU timing, cycles/frame and memory contention. But again I defer to ...RealSpectrum SoundI'm having trouble with RealSpectrum sound. When I'm in the emulation part, I hear only buzzing and screeching. When I enter some menu, the sound di…
Z80 cycle contentionHi, Does anybody knows exactly when the ula halts the Z80 clock during a memory r/w cycle? I mean which Z80 clock cycle, T1 or T2? Thanks..
... different on the +2a/+3 - memory contention here comes into play later ... /> Regarding the timings of the contention, check out the CSS FAQ ... .com/cssfaq/reference/48kreference.htm#Contention"]48k[/url] and [url="http ...Spectrum Emulator for Windows XPHi all. I'm struggling to get any emulators to work with Windows XP. I'm just after an emulator with Joystick support. Any suggestions? Thanks
... even had hints towards memory contention and IO port contention. I'm sure ... an accurate description of contended memory. It was incomplete and some ...
