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Code optimisation! 16bit number to 5 digit stringJust for interest this one, any thoughts on how to make this as fast as possible? Little optimisations to this routine or a complete reimagining? …
HACK ATTACK - STEEPLE JACK (MIA)POKE 57078, 201 IMMUNITY POKE 57162, 201 ALTERNATE ALIENS POKE 52825, 201 - Frozen bonus Neat little game which didn't use the standard lives co…
POKE 57078, 201 IMMUNITY
POKE 57162, 201 ALTERNATE ALIENS
POKE 52825, 201 - Frozen bonus
Neat little game which didn't use the standard lives counter routines.
:DA sped up pixel-shift routine for 1-byte–wide spritesHere’s an optimized (for speed) real-time sprite shifting routine for sprites that are one byte wide. It uses no memory variables for storage of inte…
... msl_draw_loop
push bc ;store counter
ld c,(hl) ... no? Make B our shift counter
ex af,af' ... rra
djnz msl_shift ;decrement counter, rinse and repeat
< ... /> pop bc ;restore loop counter
djnz msl_draw_loop ;rinse ...Jet Set Willy 2's original author releases a modded version of the game!Apologies if this has already been posted, but Derrick P. Rowson, the original author of Jet Set Willy 2, has been modding JSW2, and the latest versi…
Fastest way of reading from EAR portI'm trying to work out the fastest way of reading data from the EAR port and assembling the bits into a byte. I came up with this code: IN A, (C) ; …
... ? (I'm ignoring the setup, counter update and branching for now)ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
... ; 4t - copy into b for counter
inc b ; 4t - if ...Funny jokes, videos, and so on requiredSelf pity alert! My sciatica is playing up again, so if anyone can take my mind off it for even a minute with a funny video or joke or whatever then …
... . In fact it's surely counter-productive, since it can distract ...Help me remember a type-in listing?When I was a kid I got a book of Spectrum type-in listings from the library. I only typed in one of them as far as I can remember. I'm pretty s…
... catch - there was a points counter rolling the whole time except ... in the air, the points counter stoped until you landed again ...I live and learnThanks to Einar's ZXDB link I found under the Books folder and English sub directory a PDF file named 'The Century Computer Programming Course for Z…
...
50 LET COUNTER=0
60 LET COUNTER = COUNTER + 1
70 ... =SUM+x
90 IF COUNTERHigh score table routineI wrote this general purpose high score table routine. It stores 5 scores and displays them alongside the player names, which are 8 characters long. …
... ,3 ; set A as a counter if we need to move ...
LD B,8 ; counter for player name characters
Recent hardware acquisitionsWell, not actually that recent but I've not had time to look at them until a few days ago... Two Speccy +'s. Both are semi alive. Both have semi d…
... , ignoring the lack of tape counter that is.Multi-load games on a +2/+2a/+2bHello guys. How do you guys manage to play multi-load games on a +2/+2a/+2b? There's no tape counter. Sorry if this is a crazy question. I know of…
... /+2b? There's no tape counter. Sorry if this is a ...New Cassette PlayerHello guys, I was looking for some new cassette player/recorder for use with Speccy and this one got my attention (despite its biggest fail of not…
... fail of not having a counter):
http://www.auna ...Conflict likely in Korea?Is anyone getting nervous yet about the escalation of threats coming out of North Korea and counter-threats from their perceived enemies? It's har…
... out of North Korea and counter-threats from their perceived enemies ...A Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... />
2$ push bc ;remember counter
ld a,(ix) ;# of ...
pop bc ;restore counter
djnz 2$ ;rinse and ...ZEsarUX 6.0 stableHi! ZEsarUX 6.0 stable is out! This is a major version, it includes some new machines and a lot of new features and bug fixes :) You can downlo…
... mem
*it has a counter (0-255) to see how ...How to hack Youth ClubNot sure if this belongs in Games or Spectrum Basic. But anyway : There was a type-in called Youth Club that I was fond of : http://www.worldofspe…
... > 100 before the month counter hits 30.
So ...Prportional Ascii text scrollerA couple of years ago I wrote a little scroller that nestles at the top of RAM (FFCA - 65482) and scrolls standard Ascii encoded text from anywhere y…
... br /> ld c,(hl) ;counter into C
push ... br /> inc (hl) ;inc counter
add a,a ; ...
ld (hl),b ;reset counter
inc de ;next text ...Manic MixupThe jswmm.co.uk community is very proud to present to you Manic Mixup :) "Times are tough for poor old Willy. Decades of excessive partying have t…
[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…
... /> ld bc,$2018 ; b = cell counter, 32 ($20) cells per row ... (32 columns). c = row counter, 24 ($18) rows.
ld ... /> ld b,$20 ; Reset column counter for the next loop iteration ... /> ; No need to reset column counter (b) here, as 00 automatically ...ZEsarUX 7.2 BETAHi! I have uploaded a new BETA version of ZEsarUX 7.2 You can download a compiled version for Mac or Windows from: https://github.com/chernandez…
... ’t reseting the silence detection counter, so sound would probably be ...ZEsarUX Beta 7.2-RCHi I have uploaded a new ZEsarUX Beta version: 7.2 Release Candidate! Next version will be final stable :) You can download it from: https://g…
... 't reseting the silence detection counter, so sound would probably be ...ZEsarUX stable 7.2Hi! I have uploaded a new stable ZEsarUX version 7.2! You must go to the Releases section on the GitHub project to download It, as usual: htt…
... 't reseting the silence detection counter, so sound would probably be ...Funny stories from arcadesIt happened in Poland , in the city of Łódź (Lodz) , in the spring of 1986 . There was a small arcade in which I played pinballs and Invaders . This…
... 99990 points then the score counter was reset and the counting ... wrong ship and the score counter was
reset . I got ...Unusual or Experimental or just New or Quirky Presentations of SoftwareWhen it was all new software vendors had to work out the best way to sell their wares. In the beginning ,there was no absolute consensus ,and so ther…
... than relying on the tape counter method to locate each game ...Tetris Championship Edition - excellent mod of Tetris 2[img]https://idpixel.ru/news/2241/main_2x.png[/img] Russian developer TheShich just released beta version of [b]Tetris Championship Edition[/b] - gr…
... next piece;
* add line counter;
* make the transition to ...
