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Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... contention pattern starts at 8759 T-states after the interrupt, and ... repeats every 228 T-states.[/LIST]
This conclusion ... is always [I]5602 T-states[/I]. Moreover, these results ... the Spectrum 128K but 5603 T-states earlier. This seems quite ... -
Brazilian TK90X and TK95SpecEmu provides explicit support for Brazilian TK90X. Other emulators provide indirect support (perhaps the "Spectrum 48K NTSC" option in Fuse?). Al…
... in the TK90X are 5602 T-states earlier than "normal" (non-late ... as if it was 5602 T-states earlier than "normal" ZX-Spectrum ... TK90X border timings are 5603 T-states earlier than "normal" Spectrum 128K ... -
Work out attribute location in MCHow do I go about writing a MC routine which calculates the attribute address from a set of PRINT co-ordinates. I know you in basic you multiply the…
... t-states, 8-bit shift may cost only 4 t-states if you don't ... add. You just OR (4 t-states) bits from 2-7 of ... -
Performance Analyser?Disclaimer: Im asking this question as a "non-programmer" so please forgive my ignorance if this turns out to be a daft question. During the life-sp…
... getting corrupted but I don't know what is doing it ... the emulator "ok, stop advancing t-states now", run my debug code ... this but it all takes t-states and screen space. Would be ... ) and have it take 0 t-states.
Now, all ... -
z80 Code Profiling (RESOLVED)Hi All, Just a quick question to ask if there is any way of profiling z80 Code for the Speccy??? I'm trying to write a piece of software and I curr…
... about labels but I don't know of any that will ... other repeatedly, noting down the t-states difference and perhaps build up ... -
z80 Code Profiling (RESOLVED)Hi All, Just a quick question to ask if there is any way of profiling z80 Code for the Speccy??? I'm trying to write a piece of software and I curr…
... layout, but this won't be saved when you exit ... are many errors in the T-states data, because this is ... to be temporary, but didn't get updated. Most of ... instructions have the 2 possible T-state values swapped etc.< ... ve added one, you can't delete it! This is ... -
z80 Code Profiling (RESOLVED)Hi All, Just a quick question to ask if there is any way of profiling z80 Code for the Speccy??? I'm trying to write a piece of software and I curr…
... that i need to count t-states in the block of the ... it's just a 8-t nop followed by jr over ... emu this 'traps' takes no t-states, so it's cool. %-) and ... -
Random number from a rangeHow can I generate in assembly a random number from a range, let's say 0-21 or 0-57? There are generators which make it 0-255. By using bit masks I…
... ;) )[/QUOTE]
Common, how many T-states 8-bit multiplication takes ? About ... -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
...
ld l,a ; w = t
ld (rnd+4),hl ... 1 byte shorter and 4 T-states faster than the version posted ... -
BIFROST* Advanced Programming - part 5In my [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40437"]previous post[/URL] I demonstrated how to move multicolor images smoothly i…
... think Bifrost gives you 20k T-states between interrupts?
That ... -
BIFROST* Advanced Programming - part 5In my [URL="http://www.worldofspectrum.org/forums/showthread.php?t=40437"]previous post[/URL] I demonstrated how to move multicolor images smoothly i…
... think Bifrost gives you 20k T-states between interrupts?[/QUOTE]
Correct ... hero animation takes about 10K T-states of a frame, and afterwards ... -
EmuzWinHi folks I'm using EmuZWin and it's started running games super quick (not all games but some) I've tried messing around with speed settings but eve…
... by 1, 2, or 3 T-states.[/QUOTE]
Obviously I ... -
SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... mean the Spectra still won't work properly with a 128K ... interrupt signal to begin the T-state count each frame. I ... can reliably used to count T-states pre-contention, and therefore know ... for the device - I don't know how full the FPGA ... -
SPECTRA New from Paul FarrowLooks good! Read about it [URL="http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm"]here[/URL]
... mean the Spectra still won't work properly with a 128K ... interrupt signal to begin the T-state count each frame. I ... can reliably used to count T-states pre-contention, and therefore know ... for the device - I don't know how full the FPGA ... -
Gameboy advance Speccy emulation?I have heard , but can not find clear / understandable info on emulating the spectrum on a Gameboy Advance... but it is apparently possible? Using '…
[QUOTE=Arda;657810]Don't expect miracles but if they ... generally vary in complexity, as T states and CPU timings generally vary ... -
smooth movement in basicWas trying to figure this out myself but i would like to be pointed in right direction now :-). How do I make something move in Basic without gettin…
... {condition} THEN {action}
T-states for evaluating the condition:
smooth movement in basicWas trying to figure this out myself but i would like to be pointed in right direction now :-). How do I make something move in Basic without gettin…
... {condition} THEN {action}
T-states for evaluating the condition:
decoding loading barsI was idly pondering if it would be possible to decode the tape loading bars - just the header, say, for a standard loader, to determine the title o…
... to 4 scanlines high, 855 T-States), or a one (closer to ...decoding loading barsI was idly pondering if it would be possible to decode the tape loading bars - just the header, say, for a standard loader, to determine the title o…
... forgot there are [b]two[/b] edges per bit on the tape ... , you only lose 1 or two bits of data during the ...Pentagon RAM memoryDoes anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ? Looking at schematics it …
... ; 285 nS - requires the wait states.
Sampling time Soviet RAM ... 4164)< 285 nS - wait states is not necessary.[/QUOTE]
T-states, there is no synchronism between ...Pentagon RAM memoryDoes anybody know or have reference to technical docs, how no contention on RAM access is achieved in Pentagon 128K clone ? Looking at schematics it …
... that uses a lot of T states.
For the shorter Z80 ...Fantasy Z80 instructions?This follows on from something catmeows said in another thread, and that I've been meaning to ask for a while. This may sound daft to people with mo…
... [u][b]MIND-BOGGING 19 T STATES[/b][/u] for starters. I ... actually called INDEX registers, shouldn't they be like *gasp* [i ...
