itch.io

dear dougie I'm a big fan of your work please have a look at these urls there's a reason...first one took me ten years to make!

http://www.e-basteln.de/computing/65f02/65f02/

https://loadzx.com/hall_of_thanks/

https://spectrumcomputing.co.uk/list?group_id=1024 http://www.fruitcake.plus.com/Sinclair/Spectrum/Spectra/SpectraInterface.htm http://zxprism.blogspot.com/ https://sites.google.com/site/ulaplus/home

https://www.ys3.org/2008/02/04/behind-the-scenes-with-girls-aloud/

https://velesoft.speccy.cz/data-gear.htm https://www.facebook.com/mb02plus/ https://www.bytedelight.com/…

send me your address  aleksey send u shamazx dma interface

so no android emulators then?

facebook is blokking me

i would like to buy 20 ula+ can you help me i need to send them to hardware and software developers in the zx spectrum scene please

http://members.inode.at/838331/

Leszek Daniel Chmielewski his bmp2scr helped me make my sam full screen animation

if the girls aloud animation floats your boat all i need is a pc program that yakes in avi video and spits out ula+ timex hi colour animation tap/tzx files hi rez greyscale should b possible too?

 dreadful android emulator doesnt cope with sam or ula+ yet....

https://www.ys3.org/2008/02/04/behind-the-scenes-with-girls-aloud/

have you seen nathan cross' full screen animation girls aloud? think what ula+ could do...

do u know how an 8bit atari with rapidus 65816 processor can emulate 128k zx spectrum?

http://www.e-basteln.de/computing/65f02/65f02/

100mhz 6502!

ula+ has timex hi rez 512x192 but no attributes yes? could ink n paper colours be altered for a word processor?

sam has line interrupt register but only 128 lines per frame ula+ doesnt have line interrupt?

what are the video modes supported by ula+ please? do u understand the floating bus? does this mean zx spectrum cant access 64k of ports?

sam haz hi res mode 3 512x192 but only 2bits per pixel so 4 colours but mode 4 with 4bits per pixel uses a colour lookup table with 16 7bit valus ie 128 colour palette but also the hmpr port has 2 bits so that in mode3 you can switch to 4 x 4 sets of colours this can be done along a scan line according to an article in world of sam every 19 pixels but a dma is 8 times faster ram to port write 2tstates wed nearly get 16 colours per scan line at 512x192 

i need 4 ula+ 1x 48k 2x grey +2 1x +3

rogerjowett@gmail.com

id love to send you a shamazx dma interface can you send me an address please?

true but we could always speak to the developers over at mame then we could maybe get some arcade conversions no?

there are 2 pi zeros that are quad core could we use them?

if u replaced the ula with a socket and replaced the z80 processor with a socket could u insert a pcb that slots into both the z80 and ula ? could the pcb connect to a pi zero?

the vdp9990 haz its own video ram yes? does this mean that the z80 cant read or write to video ram without writing to a port? so u cant put the stack pointer in video ram and push pixels?

ula+ is 12kb video ram but the full 16kb suffers contention and also the remaining 4kb has some system variables from the basic rom and the interface 1 rom too no? so theres no xtra ram in the ula+ ? but spectra adds 32kb no? u sure its impossible to add hardware interlacing? would that double the vertical resolution were it possible?

have you seen the atari running zx spectrum software? think she needs the rapidus similar 2 the c64s super cpu

sorry dont think you are right bbc at 320x256 was 20kb thats 4 colours nula is 16 thats 4bits per pixel 40kb video ram theyve doubled it no?

the last ons is a vdp9990 connected to a 4mhz cpc if they can do it y cant we?

even the bbc model b has a 12bit 4096 colour palette now with 16 colours onscreen thats 40kb of video ram no?

https://github.com/bitshifters/bbc-nula/blob/master/readme.md

sure the sam had 24kb but the advertised 6mhz z80b was really only 3mhz you had to have external 1mb to get 6mhz weve got a zx spectrum emulator on the velesoft website called snaper disks that more than double the performance of the speccy

not even hardware interlace?

where can we buy ula+? when will it feature hardware interlacing? add more video ram thats fast dual ported?!

when will we get a ula that lets use use the full 64kb of ram that suffers contention and lets us define video modes? 320x200 with 16 and 256 colours as well as 256x192 512x192 640x256 like next and hardware interlace and vdp9990 konix multi system hardware and oh! just everything! well lets face it it wont be long before we just connect a tv to the hdmi output from the byte delight hdmi interface theres a quad core pi zero wonder if it can encode mpeg2 avi video while outputting zx screen$ ?

sam Coupé with external 1mb ram you get full 6mhz 128 colours and 16 on screen anywhere 4bits per pixel give it a go !

android?

thought zx spin had it already built in?

3½”mips...eggnchips®€cu™

https://www.worldofsam.org/products/scads

https://www.worldofsam.org/index.php/products/games-master

http://www.simcoupe.org/download/

Sam Coupé zx spectrum compatible n 16 colours anywhere on screen too...

Sam coupe scads n games master two game making studios not mouse driven nor 4mb external ram...

3¼mips...eggnchips®€cu™

which zx spectrum emulators support interlaced please?

is interlaced supported please?