http://mdfs.net/Docs/Comp/Z80/
theres loads of stuff mostly bbc related he has a screenshot of bbc basic running on spectrum was sam basic pretty much on the bbc basic nose so to speak the darn thing only runs in external rom interface though i though the tap file would run in ram or figure out how to use +2ab3 paging to be in lower ram like a rom but dont hink it works like that must certainly make a mockery of all the bbc video modes teletext anyone? also only seems to think she had 8 colours so hasnt found out about bright mebbe? judging by the screen shot master basic seemed faster printing text onscren does it use ld hl? does that mean hl is altered eight times for each character printed? tried to exdamine rom disasembly but rst is a bit confusing rst puts pc on sp? if pc happened to correspond to the bit pattern of font or graphics sam could page all 512 into bottom ram area but the write protect doesnt stop asic from waiting when video screen$ being displayed unless border port and mode 3/4 switched to off? rom still doesnt use refresh? so lddr looses 1 tstate per byte copied from 21 to 20 tstates per byte still larger than the 300k odd for push couldnt put push routine in rom impossible as needs ld sp to be altered for each different location ocpied from too? unless standard sizes were offered for text characters proprtioanl fonts or graphics standard sprite sizes or background tile system available no alterations to asic possible? zx81 turbo mode simialr to screen off in mode 3/4 but 81 was text character only printing this is slower than speccy ula? less versatile cannot print a user defined proportional font how did they add hi rez? zub prints bright off grey text on bright white background something funny going on there then? HELP! On 6 September 2011 15:05, Rich Mellor <[email protected]> wrote: > Hee hee - Roger - you really should read the thread before replying !! > > I started the thread with a link to some auctions for SAM Software (now > sold), and the statement: > > "I also have 7 SAM formatted floppies free to a good home (for the cost of > postage) - they have various hand written labels on them, including > Electronic Calculations, Games, Eyeconiac + Z8 Demo (I think!), Graphics, > and Hacker Text. " > > I can send these disks to you Roger, using your stamps if you are interested > > Rich > > On 06/09/2011 13:06, Roger Jowett wrote: >> >> sorry what software? there isn't any for sam is there?! >> I'm still trying to get a 48 emulator that can run code from 32768 in >> Sam's external ram! >> >> On 4 September 2011 12:36, Rich Mellor<[email protected]> wrote: >>> >>> Hi Roger, >>> >>> I received the stamps (thankyou) but your letter did not refer to the >>> software - do you want me to send this software to you and you can have a >>> look (was that the plan?) >>> >>> Rich >>> >>> On 04/09/2011 11:37, Roger Jowett wrote: >>>> >>>> u didnt get any stamps? big thanks by the way >>>> >>>> On 27/08/2011, Rich Mellor<[email protected]> wrote: >>>>> >>>>> Hi Thomas, >>>>> >>>>> Yes, SellMyRetro.com is its own auction system, similar to eBay but >>>>> without the extortionate listing and final value fees. >>>>> >>>>> You can of course send messages on the system and so long as I know >>>>> that >>>>> people want me to hold onto items for them at the end of the auction, I >>>>> don't mind waiting a few days. You can still pay me via PayPal if you >>>>> like at the end of the auction. >>>>> >>>>> Kind Regards >>>>> >>>>> Rich >>>>> >>>>> >>>>> On 26/08/2011 22:02, Thomas Harte wrote: >>>>>> >>>>>> I've wanted to see DRiVER for a while, having read the first three >>>>>> Inside Macintoshes a few years ago and the Smalltalk-80 book a little >>>>>> before that. It'd be interesting to play about with. >>>>>> >>>>>> But how does sellmyretro work? I notice the items listed as bids >>>>>> rather than purchases aren't also on eBay, so it presumably has its >>>>>> own auction system? The entire selfish question I'm building up to is: >>>>>> I'm not in the UK right now, and won't be for a bit more than a week >>>>>> after the auctions end; would you be so willing and is sellmyretro set >>>>>> up so that, if I were to win any, I could ask you not to post my items >>>>>> for a week? >>>>>> >>>>>> On Fri, Aug 26, 2011 at 2:23 AM, Rich Mellor<[email protected]> >>>>>> wrote: >>>>>>> >>>>>>> Good evening, >>>>>>> >>>>>>> I have listed a few bits of SAM hardware and software on >>>>>>> sellmyretro.com >>>>>>> - >>>>>>> >>>>>>> >>>>>>> >>>>>>> http://www.sellmyretro.com/category/All+categories/Retro+Computers/SAM+Coup%C3%A9 >>>>>>> >>>>>>> I also have 7 SAM formatted floppies free to a good home (for the >>>>>>> cost >>>>>>> of >>>>>>> postage) - they have various hand written labels on them, including >>>>>>> Electronic Calculations, Games, Eyeconiac + Z8 Demo (I think!), >>>>>>> Graphics, >>>>>>> and Hacker Text. >>>>>>> >>>>>>> If anyone wants them to have a mooch through, let me know before they >>>>>>> go >>>>>>> in >>>>>>> the bin! >>>>>>> >>>>>>> -- >>>>>>> Rich Mellor >>>>>>> RWAP Services >>>>>>> >>>>>>> http://www.rwapsoftware.co.uk >>>>>>> http://www.rwapservices.co.uk >>>>>>> >>>>>>> -- Try out our new site: http://sellmyretro.com >>>>>>> >>>>>>> >>>>>>> >>> >> > > > -- > Rich Mellor > RWAP Services > Specialist Enuuk Auction Programming Services > > www.rwapservices.co.uk > > >
