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Serious SpectrumHas anyone here used their Spectrum for anything other than gaming and programming back in the eighties? I see all these business and productivity ap…
... water company to do a calculation on something in the plant ... -
Confounded DEF FNCan anyone see why this is going wrong? I've been tinkering with it since tea time and got nowhere. [code] 2 DEF FN t$(n,t,d) =STR$ INT (n/t)…
... to be what the BASIC calculation is giving. By the time ... FN and doing the FREE_MEM calculation in the same PRINT statement ... -
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…
... step, putting about 10-12 attr. bytes onscreen at a time ... -
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…
... step, putting about 10-12 attr. bytes onscreen at a time ... -
Movin And A Groovin Horizontal Flip improvementOn the left is the flip horizontal portion from Andy Pennell'S excellent Movin' & a Groovin' machine code screen routines from Your Spectrum #19 (Oct…
Running short of ideas now, but saved another byte and speeded up the line incrementing a lot.
[CODE]ld b,#XX 06XX ;Hi Byte of Lookup table 7
Scr_add ld hl,#4000 210040 ;Left hand side 10
ld de,#401f 111F40 ;Right hand ... -
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…
... previous pass and base the calculation on the combined result.
Books that you just can't quit.Much as parts of the presentation,writing style infurates me, there is a book I just keep comming back to again and again. Its like the Yang to the …
[code]
1000 DIM R(55): DIM C(55)
1009 REM initialise routine pointers and set hiscore to 0.
1010 LET fanfare=2000: LET worm=3000: LET key=4000: LET gobble=5000: LET status=6000: LET target=7000
1020 BORDER 1: PAPER 7: INK 0
...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…
... back-of-an-envelope-quality calculation based on the number of ...Rainbow Chaos(I so want to call this Law of Chaos to pun on lords) Anyway. Dunno if I'll make this. But if I don't /someone/ will want to. It's just too good an …
Problem With POINT StatementHello everyone this is my first ever post, So firstly i'd like to say hello to everyone and secondly thank you to the admins for such a great site, …
OK I think I understand what you mean. I've never used the ATTR statement before, so its going to be fun playing with that. I don't admit to being an expert at basic, but i knew enough in the late 80's when I was about 10 years old to get me by.MC LPRINT 23681Having problems with this routine to print large on the screen using LPRINT, it works ok in BASIC, but cant seem to get it to loop for some reason in…
... efficient than performing all the calculation of the LPRINT routine 8 ...Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... . (I want to bit diddle ATTR-P) but the example I ...Problem With POINT StatementHello everyone this is my first ever post, So firstly i'd like to say hello to everyone and secondly thank you to the admins for such a great site, …
Is this any better? I've used CHR$ for the block graphics as the browser won't print the graphic symbols. I put a border all the way around so that I didn't need a separate check for out of bounds. The GOSUBs weren't helping so they've gone.
[ ...Problem With POINT StatementHello everyone this is my first ever post, So firstly i'd like to say hello to everyone and secondly thank you to the admins for such a great site, …
[QUOTE=Battle Bunny;720777]Is this any better? I've used CHR$ for the block graphics as the browser won't print the graphic symbols. I put a border all the way around so that I didn't need a separate check for out of bounds. The GOSUBs weren't helping so ...Problem With POINT StatementHello everyone this is my first ever post, So firstly i'd like to say hello to everyone and secondly thank you to the admins for such a great site, …
... detection in BASIC, either with ATTR, as you're already doing ...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…
... implement a routine without any calculation.
It's different ...New multi-interface for ZXI have in development new interface for ZX Spectrum. PCB size is similar as K-MOUSE interface and on board is CPLD (programmable logic), up to 1MB st…
[QUOTE=flopping;722436]Price?:smile:[/QUOTE]
I don't have calculation here, but as I mean then price of KIT is about 50 USD( + / - ???). But soldering of this interface will hard and slow, then you must add also price of soldering/time.Clashbasher a new interface to reduce colour clashI've been working on this for a while now. [IMG]http://markamy.uwclub.net/cauldron.JPG[/IMG] Basicly its an add on for a 48k spectrum, which reinte…
... Pssst around to write the attr before the pixels. I 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…
... standard speed data. The averaging calculation is really simple: after each ...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…
... different addresses of PROG, automatic calculation of loading time, countdown timer ...Harlequin clone...PCB manufactured!Using Chris Smith's detailed schematics and project notes from the Harlequin... a Speccy fan in the United States by the name of Don (Superfo) has de…
... the final price. A first calculation based on that idea showed ...JSW1 - The Attic Bug In ActionThe well known "attic bug" caused by invalid arrow data. By applying a couple of extra pokes in addition to the usual lives / fall height to remove s…
... the loader to not use attr codes in the listing) with ...I have done a Spectrum Screen Design Template As PDFI use this for my games, to work out attribute and screen addresses. It is A4, to be printed landscape [url="http://www.peargames.co.uk/downloads/s…
... Row Extra Pixel Row (+256) Attr Row
1 2 3 ... Row Extra Pixel Row (+256) Attr Row
1 2 3 ...Finders Keepers+I know a few of you are interested in this project so I thought it was about time I started a proper thread for it rather than just slipping bits int…
... a 'back of the envelope' calculation for my ideal new maze ...
