-
BIFROST* Advanced Programming - part 1In BIFROST*, it's much easier to just make changes in the tile map and let the engine automatically draw & animate everything in multicolor for you. …
BIFROST* Advanced Programming - part 2This second demo shows animated and moving tiles together, and also how to implement collision detection. This knowledge should be enough to implemen…
BIFROST* Advanced Programming - part 4In previous posts I demonstrated how to move multicolor tiles up and down smoothly by a single pixel, and sideways by an entire char (8 pixels). Thi…
Issue 2 headache!Ive got an issue 2 here that firstly had a blown regulator (fixed), now its reading as a 16k machine (its fully populated), ive replaced and socketed…
... no faults, but typing PRINT PEEK 23732 + PEEK 23733 * 256 I get ... type POKE 44052,85 : PRINT PEEK 44052, answer=85
Followed ... by POKE 44052,170 : PRINT PEEK 44052, answer=170
Ideas for speeding up this BASIC routine?This loop can take up to 2 minutes to run, depending upon the content of the screen being scanned, about 70% of that time being taken up by lines 105…
This loop can take up to 2 minutes to run, depending upon the content of the screen being scanned, about 70% of that time being taken up by lines 1055 (50 secs) & 1075 (35 secs). Any suggestions on how to speed up those two parts (other than rewriting ...Query about memorySo I know this has been asked a lot and I beg your brief indulgence. I have scanned through a lot of old threads already but I'm trying to improve m…
... check,
[QUOTE]PRINT PEEK 23733 and then [ENTER]
PEEK 23733. 127 could be an ... board. Which is correct, can PEEK 23733 ever return 128?
saving time populating large arraysI use a variation on this idea for storing machine code at the end of programs without interfering with LIST, then it occurred to me that it would al…
... DEF FN p(a)=PEEK a+256*PEEK (a+1):
DEF ... (vars):
POKE 23627,PEEK 23670: POKE 23628,PEEK 23671: PRINT "d ... (vars):
POKE 23627,PEEK 23670: POKE 23628,PEEK 23671: PRINT "d ... STEP -1: LET sum=sum+PEEK (vars-offset-n)*n: NEXT ...Asking for help: ZXBC to ASM routine translationHallo, In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler [code] sub light(x as uinteg…
Hallo,
In order to save some bytes and gain speed, I'm asking for translation of a very simple ZXBC routine to Assembler
[code]
sub light(x as uinteger,y as uinteger,intensity as ubyte)
dim adr as Uinteger
if xRaffaele Cecco in html5 book authoring shockI wasn't sure where this belonged, but felt I had to share it somewhere, I was just looking around for a techie book on html5, and my jaw dropped on …
... uses, basically to have a peek inside his mind (I'm ...A 128 Routine to Put Tokens in StringsI was writing a DEF FN on the +128k and decided that I'd had enough of not being able to put function tokens in strings without a great palaver and s…
... ):
LET la=256*PEEK (a+1)+PEEK (a+2): LET ll ... b=b+1: LET p=PEEK b: IF p=14 THEN ... /> DEF FN p(a)=PEEK a+256*PEEK (a+1)
[/code ...16k --> 48kI bought a zx and found out it was a 16k since when I execute PRINT PEEK 23733 I get 127 Does it mean I get a lesser model? What limitations do I h…
... when I execute
PRINT PEEK 23733
I get 127 ...Checking for '+2e/+3e' ROMs via Sinclair BASICHi guys, I have a Spectrum +2A containing the '+e' ROMs (and a nice internal IDE interface with a CF card adaptor on it :) ) - If you are unsure wha…
... a memory address I can PEEK that will give me a ...Getting Unit CHS detail in +3e BASICHello there my fellow WoS'ers I would like to know if there are system VARS or PEEK's that I could use to get the CHS info within BASIC at the mome…
... there are system VARS or PEEK's that I could use ...Problem with Page 7I've been experimenting with running code in page 7 (+3) from BASIC and I seemed to have got it sorted out but then it all went wrong. Firstly, I tr…
Announcing Krusty's FunhouseNo promises. I really have to juggle and maybe I'm being a little too ambitious. After messing around and doing some experimentation doing small test…
... this.
For a peek at what the graphics might ...Improving Composite Output of 48K SpectrumI've been playing around with this Spectrum 48k I got inside a dK'tronics keyboard, because well I've already got two working other ones so why not..…
... seems to be a prominent peek at about 13.3Mhz, which ...Arok 2013 - One loveBig cudos to the Spectrum scene! Let me inform you on Arok Party 2013, which is going to gather the 8bit enthusiasts for the weekend of 5-th July. Al…
... ]
Have a sneak peek into the [URL="http://www ...TXT2EMU enhancementI was looking at the encodings supported by BAS2TAP for entering graphics, print controls, etc. as plain text. Basically, there's only one needed, be…
... FN j$(s,l)=CHR$ PEEK (s)+VAL$ (("FN j$("+STR ... FN j$(s,l)=CHR$ PEEK (s)+VAL$ (("{A8} j$("+STR ...Spectrum Adventurer MIAHullo all, I have the early editions of Spectrum Adventurer that are listed as MIA on the Infoseek. Let me know if this is still the case and I'll t…
... Adventurer. Just had a quick peek at one that you already ...quick RAM copy using LET in BASICI'm in the process of reviewing, revising and refining all the programming tips & utility routines which I've posted on this forum over the last eigh…
... DEF FN p(a)=PEEK a+256*PEEK (a+1):
DEF ... /> LET loc=VAL VAL$ (CHR$ PEEK (a-3)+"$"):
POKE a ...The Spectrum Resuscitation ThreadKicking off this thread as a place where people who are fixing/restoring Spectrums (or indeed any other piece of related hardware) can show off their…
... a 'POKE 32768,85: PRINT PEEK 32768' returned 93, so consulting ...generating a pre-defined list in an un-defined sequenceI've decided to become a drunkard, to which end I've been drinking a whole bottle of beer in one day (whereas normally I'd make it last 2 or 3 days).…
Full 16*16-digit BASIC multiplicationI liked Andre Adrian's 32-bit long multiplication routine so much that I decided to a decimal version. After all, 2^63 is only 9223372036854775808, a…
... : DEF FN p(a)=PEEK a+256*PEEK (a+1):
DEF ... RANDOMIZE fnr: POKE 23563,PEEK 23670: POKE 23564,PEEK 23671
819 ...trying to read keyboardI have the speccy in interrupt mode 1 I used 'IM1' in assembly language then Im printing the contents of memoryu area 23560 to the screen: [quote] l…
... the contents of memoryu area 23560 to the screen:
[quote ... ,#0
LD (#23560),A
LD A,(#23560)
23560 but it makes no difference ...When is a 16k not a 16k ?Can anyone explain what this machine is supposed to be ? Speccy with a 16K sticker on the base. Doing a peek 23733 returns 255 so a 48K ? Opened …
... base.
Doing a peek 23733 returns 255 so a ...PowerSlave's Sinclair/Timex collectionNow that I cataloged all the items I have, it's time to show them :) Between bought and offered, my collection items are: - Sinclair Spectrum 128k…
... 068161
Working 50%: PRINT PEEK 23733 gives 127 (So, a ...Issue 3 board with strange piggy-back boardIn case you are interested. I?ve never seen something like this before. I have an Issue 3 board here. When I opened the case and found a strange pig…
... carried out a
Print Peek 23733
which showed 127 ... Cheetah 32K RAM expansion, Print Peek 23733 showed 255 as on ...Thunderjaws - little secret discoveredThere is game called Thunderjaws, or maybe better to say a demo as full game was never released: [url]http://www.worldofspectrum.org/infoseekid.cgi?…
... check the available demo and peek a bit into the code ...
