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I introduce myself and my emulator.Hi! My name is Marta, and I've been a Speccy user for 30+ years now. During the past year I decided to write my own emulator, just to see if I cou…
Neat. Does it emulate the floating bus on the +2A/+3? -
I introduce myself and my emulator.Hi! My name is Marta, and I've been a Speccy user for 30+ years now. During the past year I decided to write my own emulator, just to see if I cou…
[quote="Ast_A_Moore;936154"]Neat. Does it emulate the floating bus on the +2A/+3?[/quote]
lmao, give that person time! They already said there was stuff they needed to implement first lol -
I introduce myself and my emulator.Hi! My name is Marta, and I've been a Speccy user for 30+ years now. During the past year I decided to write my own emulator, just to see if I cou…
... "]Neat. Does it emulate the floating bus on the +2A/+3?[/quote ... -
I introduce myself and my emulator.Hi! My name is Marta, and I've been a Speccy user for 30+ years now. During the past year I decided to write my own emulator, just to see if I cou…
... haven't implemented yet the floating bus values from contended memory reads ... -
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…
... 't actually matter. I/O contention and the 224 vs 228 t ... /~einar/z80table/]opcode table[/url] and count them ts ;) When going ... tutorial you have trouble understanding and I'll try to explain ... -
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…
... /> [quote="utz;943872"]I/O contention and the 224 vs 228 t ... though.[/quote]
I/O contention I understand, but other than ... -
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…
... hand contains both even and odd harmonics, with nth ... at half the volume and double the frequency of ... />
Now for the timing. You see that the first ... for better frequency range) and it lasts 16t. The ... depends on bit 7 and, if loop timing is correct, will ... -
Which to buy? +2/+2a/+3?Sorry - I did a quick bit of lunchtime googling, it sounds like the grey +2 is the best machine, as it has the board without the reduced chipset. I …
... to fix the [s]floating point[/s] "floating bus" issue, but I do ... -
Which to buy? +2/+2a/+3?Sorry - I did a quick bit of lunchtime googling, it sounds like the grey +2 is the best machine, as it has the board without the reduced chipset. I …
[quote="guesser;946233"]Floating BUS ~X( [/quote]
Oops, sorry! :\">
Fixed neatly leaving my mistook (yes I know) on display. :) -
Which to buy? +2/+2a/+3?Sorry - I did a quick bit of lunchtime googling, it sounds like the grey +2 is the best machine, as it has the board without the reduced chipset. I …
If you want hardware for testing your software then the floating bus issue is irrelevant. The solution is don't abuse the floating bus in your code. -
Which to buy? +2/+2a/+3?Sorry - I did a quick bit of lunchtime googling, it sounds like the grey +2 is the best machine, as it has the board without the reduced chipset. I …
[quote="guesser;946236"]If you want hardware for testing your software then the floating bus issue is irrelevant.[/quote]
More to the point, it you want hardware for testing your software, [i]don’t mod it[/i]. -
[Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…
... OT but I read your floating bus guide, it was fascinating. Made ... -
[Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…
... ="ST1;947822"]I read your floating bus guide, it was fascinating. Made ... -
Paging WoodyI have been trying to contact [url="https://www.worldofspectrum.org/forums/profile/341/Woody"]Woody[/url], regarding an old Manic Miner project of hi…
Hi @Crisis ,
If you need more information about the floating bus, check out the links in my signature. -
Celebrity deaths...How about putting them all in one thread? In a sticky? As it seems to be a weekly thing at the moment? Save a bit of space and we can all do without …
... time anywhere hence his availability, and you can only judge his ... with artist/engineers/producers etc and certainly not the rhythm section ... to play as told and his metronome timing which did away for ... Bellson, Dave Tough, Art Blakey and Joe Jones rank far higher ... -
border effectsive been playing around with border effects like 10 border 1 20 border 2 30 pause 1 40 goto 10 ,etc i even wrote one in machine code. …
... in the border colour register and sends that colour to the ... quick (it requires minimal parsing and doesn't have to do ... really need the speed and accurate cycle timing of machine code if ... you can change colour though and it's reasonably processor intensive ... -
Definitive list of games incompatible with +2A/+3 and of compatible versions (if any)I am trying to compile the definitive list of games which are incompatible with the +2A and the +3 and of their compatible versions, if they are pres…
... fix[/url] that removes the floating bus dependence altogether. Both of these ... -
New emulator: InkSpector 2Hi, The first preview of InkSpector 2 is available from www.inkland.org.uk/inkspector/inkspec_2.0.0.27.exe It's a brand new emulator with all …
Thanks for those, Woody, I'll take a look. No, I hadn't implemented +3 floating bus at all.
There's no such thing as "nitpicking" when it comes to Speccy emulation :) -
Can someone run this test program on a real Spectrum 48K?I've knocked up a small test program just to satisfy my emulation OCD if someone with a real 48K Spectrum can spare a couple of minutes to run it.? …
... -Spectrum-48k-with-dvi-MMC-and-Multiface-disabled.jpg")
contention and timings of all machines right ... -
How can i edit or delete my postHi I want to edit or delete comments or new discussion on other categories that i made, but i don´t know how to do it I don´t find any button …
... to resources (images, etc.). Our floating bus thread was recently affected by ... -
How can i edit or delete my postHi I want to edit or delete comments or new discussion on other categories that i made, but i don´t know how to do it I don´t find any button …
... to resources (images, etc.). Our floating bus thread was recently affected by ... -
ZXDS 2.0.0Hello, after few months of intense work, I am finally ready to announce [url="http://zxds.raxoft.cz"]new ZXDS release[/url] for Nintendo 3DS. The …
[quote="Patrik Rak;57390"]floating bus emulation for +2A/+3 machines.< ... -
Corona Virus,Is is me or is the BBC sensationalizing this corona virus too much and creating hysteria?
... spent the afternoon gardening and it's been a ... doors following the health and government advice. Don't ... came a PCSO car and followed me to the ... -brains like myself :)) And every bus I have have seen ... without a functioning Executive, and they have only been ... -
Have you got a project or are doing anything interesting during lock down?I’m “having” “fun” cutting shapes in wall tiles to fit around the electrical switches, sockets and heating/boiler control box in the utility room. …
... take my mind off things and dug out my Atari ste ... pile of floppies for cubase and band in a box, connected ... my MIDI modules to it and and give it a spin.
and how the timing is less "notchy" compared ... -
A Sunday grumbleGIVE IN & DROP OUT OR WHAT? The following is not a sensible message meaning that I'm not necessarily going to act upon what the title suggests, I'…
... the boy scout and the bus stop!
Me and Basic - a ... dumb terminals which were slow and because there was no graphics ... Sinclair or Spectrum and then took my Speccy and mags home prepared ... with adverts, type ins, articles and readers letters it was a ... -
Games that "GIVE IT AWAY" that they are British .I thought about this Britishness aspect when I came across the CCS Game "Corncropper" . So checked to see if the instructions referred to "Wheat" o…
Shame there is no game featuring chavs, White Lightning and broken bus shelters. -
Games that "GIVE IT AWAY" that they are British .I thought about this Britishness aspect when I came across the CCS Game "Corncropper" . So checked to see if the instructions referred to "Wheat" o…
[quote="XTM of TMG;983741"]Shame there is no game featuring chavs, White Lightning and broken bus shelters.[/quote]
Urban Upstart comes pretty close...
