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Bad Loading screens.All this Avalon and Dragontorc talk got me thinking about 'Sorcery' that was on the Softaid compilation. Then I had a glance at 'The Pyramid' [img]h…
... .cgi?screen=screens/load/t/gif/TaffyTurner.gif[/IMG]< ...
AAAAARRGGHGGHGHGHGHGHG!!![/QUOTE]
an old favourite of mine ,great ... state and it takes extra t-states(same as raster time ? ... did rollercoaster made was an art / sprite program :) -
Mel Croucher article in Eurogamer[url]http://www.eurogamer.net/articles/2013-06-18-code-britannia-mel-croucher[/url] [I]The 8-bit Frank Zappa on nostalgia, crowd funding and his lon…
... so, why? In every circumstance that is an unrealistic expectation.
t know his music, but he ... -
Mel Croucher article in Eurogamer[url]http://www.eurogamer.net/articles/2013-06-18-code-britannia-mel-croucher[/url] [I]The 8-bit Frank Zappa on nostalgia, crowd funding and his lon…
... so, why? In every circumstance that is an unrealistic expectation.
I didn't expect either of them to ... -
Contended Memory woes...Hello All, An iccle problem I have and was hoping one of you fine WoSers could bail me out again... :) I've noticed that my emulator is running sli…
... up table using the t-state as an index.[/QUOTE]
an emulator myself but that looks like ... a simulation rather than an emulation. If you check for ... differently" condition then it doesn't appear to be the right ... -
Hi all.Been lurking around here for a long, long time with the odd post. Suppose I'd better introduce me'sen properly with a hi! Spectrum owner from 1983 …
good evening
so do you still own/play/program your speccy? I confess I haven't played on an actual spectrum for over 20 years now, just use spin emulator -
Hi all.Been lurking around here for a long, long time with the odd post. Suppose I'd better introduce me'sen properly with a hi! Spectrum owner from 1983 …
... confess I haven't played on an actual spectrum for over ... 20 years now, just use spin emulator ... original games. I haven't tried it for a very ... but I don't see why it wouldn't work.
... My spare...well, you don't want to know what I ... -
Is there an SNA halt bug?Hello all, I noticed that some SNAs don't work on my emulator but they do work in almost everyone else's, SPUD fails with them too which is a tad sp…
... to, because you can't rely on an emulator to store IFF1 in ... -
Using downloaded WOS filesI am the new owner of a 48K Spectrum, which loads games from tape without any problems. I am not having great success with games downloaded from the…
... external amplification in order to generate an output loud enough to ... Desktop PC audio comes from an on-board Realtek chip mounted ... on an Asus M3A78 Pro motherboard. ... load without external amplification on every model I tried them ... -
ReRun - Speccy OutRun done better[IMG]http://img.photobucket.com/albums/v661/Swainy_boy/outrundelux_zpsb772e8cd.gif[/IMG] Any takers? Smaller sprites, faster game.
... +2A has a few more T-states available thanks to its reduced ... Pentagon 128 stuff it gives an idea of what's possible ... -
20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... with the raster scan. Although an interrupt during [B]HALT[/B ... delay from 0 to 3 T-states (or a lot more if ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... , having a different number of t-states than the JR.[/QUOTE]
t produce any ill effects. LD ... tolerant it it. So an extra T-state here or there in ... the code probably doesn't matter too much. This is ... -
20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... Saukas;714502]The number of T-states per frame is not important ... /O contention would only be an issue if you were using ... -
20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... will leave about 16.5K T-states per frame for a ... program (instead of 20K T-states in BIFROST*), but I ... . Not sure how many t-states that would leave to do ... HALT at the end of every frame. Therefore my options ... would leave just 13K-states T per frame for the ... -
20-column multicolour: a half-baked ideaI was writing an email reply to one Mr Jowett about multicolour routines, and in that way that explaining something to someone else makes you think "…
... will leave about 16.5K T-states per frame for a program ... (instead of 20K T-states in BIFROST*), but I think ... Engine's book and providing an interrupt manager so tasks can ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... ;; to allow for the extra T-states consumed by the
;; ... /> ;; that .read_edge never finds an edge that is longer
an edge is found.
;; ... only just; it didn't work until I removed a ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... ;; to allow for the extra T-states consumed by the
;; ... ;; that .read_edge never finds an edge that is longer
T-states
ld l,. ... ;; spins in a loop until an edge is found.
;; ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... ;; that .read_edge never finds an edge that is longer
;; L isn't being used for anything else ... pulses to save a few T-states
;ld l,. ... ;; spins in a loop until an edge is found.
;; ... -
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... thousands of T-states to execute. So it isn't possible for an implementation ... attributes) into video RAM for an "instant" screen a la ... longer than the number of T-states required for the LDIR. ...
;; sync on an edge representing a 1
Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... EAR port every 64 bytes (largely to keep the emulator happy so ... the end-of-loader detection doesn't kick ...Scrolling by 2 pixelsWhat is the fastest way of scrolling a Spectrum screen line by 2 pixels left or right? When thinking about it I've come to this simple solution: [C…
... "add hl,de" being interpolated every 32 times.) The LH expression ... line is executed, the T column the T-states that number of executions ... bytes, DI->EI = 16954T T bytes
1 * di ; 4 ...Scrolling by 2 pixelsWhat is the fastest way of scrolling a Spectrum screen line by 2 pixels left or right? When thinking about it I've come to this simple solution: [C…
... possibly whether an odd or even number of T-states are needed at ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... noticed that it didn't work with Fuse's ... via tape (it's an unmodded +2A, the tape ... , with a resolution of 26 T-states:
[CODE]
lp ... separately and less frequently. An earlier iteration of 47loader's ... I think you're using an unrolled "loop" there, and ...Code execution logging/profilingAs revealed in [url="http://www.worldofspectrum.org/forums/showthread.php?t=41666"]this thread[/url], I'm adding support for reading code execution l…
... /> The second column is the T-states counter.
[code]
820B ... ]
I thought that an assembler version would sort out ...Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
... been playing every game I could remember in the emulator (and some ... power supply so I don't know if it works) and ...Experimenting with turboloadersHello, My first post, having lurked here for a while. I'm a lifelong computer nerd, Spectrum fan since childhood in the eighties, and have recently…
... been having lots of fun writing border themes :-D [URL="https ... , though some do require more T-states than others. Each theme declares ... its T-state overhead so the loader ...Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... have the wrong number of t-states so at a guess the ... model is out. I assume emulator authors are all well aware ... /O contention so it can't be something as simple as ...Border art viewerRecently, we were working with diver/4d on border art. The idea was to push the techniques of drawing on the border to the limit and to see, how much…
... have the wrong number of t-states so at a guess the ... model is out. I assume emulator authors are all well aware ... /O contention so it can't be something as simple as ... is exactly the number of t-states per frame and this number ...Machine code optimisationI'm geting back into z80 coding and wonder what the best way of showing how efficient the code is. I've got Rodney Zaks book and see there are timin…
... each instruction - ie M Cycles. T States and time @ 2 MHz.
Unless you're doing t-state critical stuff like border ... example LDIR is compact, but an unrolled set of LDIs is ... onto the screen (and don't bother using a back-buffer ...
