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Cycle exact emulation?I was just reading the thread about +3 emulation having different results on different emulators, and it made me wonder if any Spectrum emulators hav…
... emulators have reached the fabled 'cycle exact' status. There are some ... are, or claim to be, cycle exact, giving them theoretically 100% ... d tend to think that cycle exact emulation would probably be ... known now. A fully cycle exact N64 emulator will be great ... -
ZX 81 games (and an emulation issue or two)Hi Not really sure this is the right forum, but maybe someone can help. As a Speccy fan, I was always intrigued by the old ZX81, and thanks to the w…
... has to be exactly correct (cycle exact) for this game to be ... think), even has a patched routine which checks if it is ... -
ZXMMC+ emulation added to Z80p48K emulator for the V6Z80p+Hi friends! As time ago I've posted a thread about an FPGA clone for the V6Z80p board, I'd like to give an update about the status of the project. …
... /> FPGA core features:
- Cycle-exact emulation based on the schematics ... -
Some C64 questionsI've been playing around on a C64 emulator recently, and I have the following questions that I was going to post on Lemon 64, but I thought that sinc…
... sped up easily is that cycle perfect emulation is more important ... extent games) use rely on cycle-exact timing. And mainly because of ... quite hard due to the cycle-exact nature of emulation mentioned above ... -
Some C64 questionsI've been playing around on a C64 emulator recently, and I have the following questions that I was going to post on Lemon 64, but I thought that sinc…
... sped up easily is that cycle perfect emulation is more important ... extent games) use rely on cycle-exact timing. And mainly because of ... -
Ziggy 0.4The latest version of Ziggy is now available from the same link as before i.e [URL="http://ramtop.wordpress.com/"]here[/URL]. I've made changes to t…
... all the stuff that requires cycle-exact timing that I've tried ... -
Ziggy 0.4The latest version of Ziggy is now available from the same link as before i.e [URL="http://ramtop.wordpress.com/"]here[/URL]. I've made changes to t…
... tell if there cycle exact bugs. But if its exact as far as ... -
Booting with a programIf you ever had a VTX-5000, you'll remember it booted to a menu. The menu itself was written in BASIC. When the Spectrum initialized, this BASIC prog…
... , as it's the exact routine used by the load command ... 's line buffer (using the routine ADD-CHAR) and re-entering ... -
Booting with a programIf you ever had a VTX-5000, you'll remember it booted to a menu. The menu itself was written in BASIC. When the Spectrum initialized, this BASIC prog…
... , as it's the exact routine used by the load command ... 's line buffer (using the routine ADD-CHAR) and re-entering ... -
ZXMMC+ emulation added to Z80p48K emulator for the V6Z80p+Hi friends! As time ago I've posted a thread about an FPGA clone for the V6Z80p board, I'd like to give an update about the status of the project. …
... the board; that's not cycle exact but emulates the Spectrum 128K ... -
Cycle exact emulation?I was just reading the thread about +3 emulation having different results on different emulators, and it made me wonder if any Spectrum emulators hav…
Define "cycle" exact. Most emulators nowadays have the ... display that will never be "cycle" exact (for eg, border width) but ... sound. Do emulators make the exact same sound that speccy does ... -
Cycle exact emulation?I was just reading the thread about +3 emulation having different results on different emulators, and it made me wonder if any Spectrum emulators hav…
... can reasonably be described as "cycle exact" - it's executing measurable ... measure, we've had cycle-exact emulators since RealSpectrum in 1999 ... level the definition of "cycle exact" has to be subjective, ... still count as a cycle-exact emulator. An emulator that ... -
Cycle exact emulation?I was just reading the thread about +3 emulation having different results on different emulators, and it made me wonder if any Spectrum emulators hav…
... that the origin of "cycle-exact" emulation comes from WinUAE, ... the newer method of "cycle-exact" emulation - instead of traps ... />
The term Cycle Exact is related to the interactions ... 3 hardware, getting the timings (cycle counts) just right.
... -
Cycle exact emulation?I was just reading the thread about +3 emulation having different results on different emulators, and it made me wonder if any Spectrum emulators hav…
... can reasonably be described as "cycle exact" - it's executing ... measure, we've had cycle-exact emulators since RealSpectrum in ... level the definition of "cycle exact" has to be subjective, ... of course - the phrase 'cycle exact' is less than comprehensively ... -
Fast Z80Todays Spectrums are fast as hell and few software utilises this. Z80 in ReVerSE runs at 42 MHz, in Speccy2010 at 28 MHz, in Pentagon 2.666 and in N…
... this core into an existing cycle-exact FPGA implementation and see what ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... would have to be 100% cycle exact then, huh?
Any hints ... -
A new full-screen bicolor engine called NIRVANA[I]OK, there's something I need to clarify first: Nowadays if you write [B]"multicolor"[/B] everyone assumes it refers to "multicolor 8x1" (an attri…
... would have to be 100% cycle exact then, huh?[/QUOTE]
Let's copy buffers!Figured I'd do some double buffered graphics, so I can render for several frames before displaying stuff. Yes, I mean on a 48k speccy, so no 128k spe…
... you're only starting your routine when the raster is well ... which part of the draw cycle this routine will be triggered. Optimally ...Bored of the Rings coded messageI was browsing [url="https://tcrf.net/"]The Cutting Room Floor[/url] recently and stumbled upon the entry for [url="https://tcrf.net/Bored_of_the_Rin…
... (XOR, ADD, etc) and the exact routine timing.
The author ... , but also included the corresponding routine somewhere in the program
routine or any reference to this ...Making sound using the BEEPER in AssemblyI had a look at the the documentation but it doesn't make sense to me. To make music just the beeper all I have to do is send ones and zeros to one o…
... -#ff
b) do a cycle-exact alignment with border (that's ... of an 8 t-state cycle, counting from the start of ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... for precisely 34 tstates; the exact value for the 48K machines ... />
During the last M-cycle of every every instruction, the ... JP to your 'real' interrupt routine. However, this doesn't work ... tstates to reach the interrupt routine:
* M1: 7 ...Delay routineAs some people are aware, I have recently starting writing a [url=http://fuse-emulator.svn.sourceforge.net/viewvc/fuse-emulator/trunk/fusetest/]autom…
... to delay for an [i]exact[/i] number of tstates. At ... I'd like is a routine which when given a number ...Asm routine for AY playback?Hi, is possible to create and "name" an asm routine for playing some ay data? If yes, how? Example: Ok , I've finished a sound tracker song, now I n…
... create and "name" an asm routine for playing some ay data ... with or without the play routine? How does it work?
routine and make it play some ay data in an exact ...Exact emulation of the Snow effectAs the original post on another forum is outdated, and for those who don't know about that forum, I duplicate this info here: At the beginning of …
... — the necessary information for exact emulation of the snow effect ... operation code fetching cycle coincides with the 3th cycle of the ... code fetching cycle coincides with the 5th cycle of the ... overlapping the operation code fetching cycle with the ULA screen ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... for precisely 34 tstates; the exact value for the 48K machines ... />
During the last M-cycle of every every instruction, the ... JP to your 'real' interrupt routine. However, this doesn't work ... tstates to reach the interrupt routine:
* M1: 7 ...16K Rom with RS232 supportHi all, I am looking for a 16K Rom-code (to fit into the speccy) which supports RS232 and Network of IF1. Background: I am using 48K Issue 3 with W…
... Geoff;314731]
The routine that begins at 0x0008 in ... to work out the exact circumstances that caused the ... t just errors that this routine handles - it must ... ROM from the CALBAS routine in the shadow ROM, ... edge of the M1 cycle rather than the trailing ...DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…
... converter with the exact cycle timings of the player routine - so I can ...DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…
... converter with the exact cycle timings of the player routine - so I can ...
