-
Julian Date / Mean AnomolyHere's another bunch of nonsense that (when finished) might be helpful*: [quote] 10 CLS : PRINT AT 0,0;"Please enter the information required:": …
...
20 DEF FN a(d,h,m,s)=d+(h/24)+(m/60/24 ... DEF FN b(j,m,d,c)=(INT (1461*(j+4716 ... ))+(INT (153*(m+1)/5))+d+c-1524.5
31 ... INPUT "Date (1 to 31):";d
50 IF d31 THEN ...
60 PRINT "Day:",d: LET day=d
70 INPUT "Month ... -
Game creation packagesOver the course of the years, a number of game creation packages were released for the speccy: Games Designer (Quicksilva) H.U.R.G. (Melbourne House…
... the course of the years, a number of game creation packages ... /> Games Designer (Quicksilva)
H.U.R.G. (Melbourne House)
3D ... -
Computer & Video Games Book of Adventure, TheBelow is the spectrum listing from the "[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=2000078"]Computer & Video Games Book of Adventure, The…
... line 2 as there was a GO SUB 2 in the ... 'm also not sure about a variable called [I]in[/I ... ): DIM e$(11,6): DIM d$(11,12): DIM o$(11 ... : READ l$(i),e$(i),d$(i): NEXT i: FOR i ... get out of here?": LET a$="run"
60 LET u ... IF e$(pn+1,i)="d" THEN LET g$=g$+"Down ... -
Xor-shift random number generator for Z80[QUOTE=Patrik Rak;320244]Come on, people, [URL="http://www.jstatsoft.org/v08/i14/paper"]xor-shift generators[/URL] devised by Marsaglia, that's the w…
... would work on a Z80. Yesterday I had a bit of ... the 8 bit in the A register:
[CODE]< ... /> ld de,0xC0DE
ld a,h ; t = x ^ (x > ... /> xor e
ld e,a
ld a,d ; w = w ^ ( w -
Please help an absolute novice with some simple(ish) programming.I'm very, very rusty at BASIC. I'm using BASin, for my GCSE Astronomy coursework [quote] Use a spreadsheet and/or a graphing package, or write a com…
...
[quote] Use a spreadsheet and/or a graphing package, or write ... , or the major satellites of a named planet[/quote]
40 LET h=83: LET g=171
50 DIM a(9): FOR f=1 TO ... 9: READ a(f): NEXT f: RESTORE
Keyboard Input$/scan problemHi, I'm finally fulfilling my promise to get a reasonable understanding of the Speccy and embarking upon attempting a few simple routines in Assembl…
... my promise to get a reasonable understanding of the ... and embarking upon attempting a few simple routines in ... the scanned area BFh (Keys H - Enter):
... /> IN A,(C)
AND 7
LD D,A
... OUT (254),A
DEC D
LD ...what's the deal with Activision???One would think with all their sucess, they would grant access to 30 year old games (even rockstar has the first GTA games for free ontheir web site.…
... finally decided to try out H.E.R.O., to realise it ... /> so I decided to take a look on all of their ...Tips on optimizing some newbie assembly routinesI'm starting to learn some assembly language. The best way to learn is to actually code something you are going to use, so I'm creating a very simple…
...
ld h, 0
ld l, a
; I ...
ld a, (hl)
ld (de), a
inc d
inc ...Beta testers wanted: +D on ResiDOSHi all, A developer has produced a package for ResiDOS which supports and emulates the MGT +D interface, and would like some beta testers for it. T…
... produced a package for ResiDOS which supports and emulates the MGT +D ... drives & printers attached to a real +D (or Disciple) interface. It ... not actually need to own a +D in order to help beta ... version) and whether you have a real +D or Disciple interface.
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... is grey because text after a ; is a comment. The assembler ignores ... called BC, DE, and HL (H is for High byte, L ... the instruction for load a value into a register or register pair ... car
ld (hl),a
We'd like to 'sub hl ...ANN: Tipshop updated Friday, 01 October 2010Friday 01 October 2010 This update is only a day late - not too bad, considering my track record of late!! * La_Sole sent in corrected and addition…
Friday 01 October 2010
This update is only a day late - not too bad, considering my track record of late!!
* La_Sole sent in corrected and additional POKEs for Devil's Crown; POKEs forUltra rare Sinclair ZX Spectrum offspring for sale!Hi folks, I'm about to sell my NUON gaming system on eBay. [url]http://cgi.ebay.com/NUON-Bundle-Samsung-DVD-N504-Iron-Soldier-3-Gamepad-/23055542191…
... employee Richard Miller [/B]headed R&D at ATARI. After the ... . [B]Ben Cheese [/B]founded a company called Flare which was ... with chipsets, the concept of a complete system never evolved. Later ... />
Up for auction is a bundle consisting of:
- [B ...Where to get drive compatible with the plus dhi all have been offered a plus d system and was wondering if anyone knew a place to get a cheap compatible floppy drive for it to? cheers
hi all
have been offered a plus d system and was wondering if anyone knew a place to get a cheap compatible floppy drive for it to?
cheersBarry McGuigan World Championship Boxing CreditsProgramming J. F. White (Could be John White who worked on Activision's Koronis Rift and The Real Ghostbusters and Electric Dreams' Karnov and Aliens…
... was Electric Dreams)
A. R. Porter (Could be Tony Porter ... credit him as W. C. R. Allen)
Original Concept ... already in the database)
A. Lyndon (Could be Troy Lyndon ... the Duck by Activision)
D. Barnett (Could be Doug Barnett ...Multiface 1 and also a fixer boardhi all im after a multiface 1 if anyone has one going cheapish? also after a fixer board for using a plus d interface on a +2a cheers
hi all
im after a multiface 1 if anyone has one going cheapish?
also after a fixer board for using a plus d interface on a +2a
cheersSmall Machine Code Routines Which Maybe UsefulAs part of creating Flynn's Adventure in Bombland I created a lot of little routines to do all sorts of things. A lot of these I created based on inp…
... pixel memory start
ld h,a ; 4t
; ******************
; plot ... ; 4t - norm
ld d,a ; 4t - store a
ld c,%10000000 ... - store plot byte
ld a,d ; 4t - bring back char byte ... - mask now 00001000
ld a,d ; 4t - bring back char byte ...A.G.D. - How Do You...So, I'm trying out [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0020176&loadpics=3"]AGD[/URL] and can't figure out [B]how to make a tile wo…
... out [B]how to make a tile work like the Conveyor ...Kiwi OS for z80 computerHi everyone, Nearly made my z80 computer with 2K ROM 32K RAM. It has an OS im still writing called Kiwi (apple, blackberry, you get the idea ;D) he…
... /> PUSH DE ;REMEMBER D
LD D, A ;LOAD D WITH A (TEMP)
AND ... WITH DATA
LD A, H ;LOAD A WITH THE HIGHER MEMORY
LD A, H ;LOAD A WITH THE HIGHER ADDRESS
LD A, H ;LOAD A WITH THE HIGHER ADDRESS
z88dk hates me =(Hello there my fellow WoS'ers Under the power of darkness I was about to settle in and play with some SP1 sprite handling (as printf is simply NOT f…
... "toolbox.h"
/* G L O B A L V A R S ... />
/* S T R U C T U R E S ---------------------------------------------- */
/* M A I N ---------------------------------------------------------- */
void ...A New Day, Another List of Games for saleIn the beginning there were some lists of games, then there were some more. Then it got silly and they kept coming.... Sorry, being a numpty today. …
... coming....
Sorry, being a numpty today. As promised, heres ... .Gold
Gutz ? Ocean
H.A.T.E. ? Gremlin
Hades ...More!Hello again! Oh look, more games! Box 8 Adidas Championship Football ? Ocean Adidas Championship Tie Break ? Ocean Back to the Future 2 ? Image Work…
... ? Impulze
Chase H.Q. ? Ocean
Chase H.Q. 2 ? Ocean ... /> Myth ? System 3
N.A.R.C. - Ocean
Canny use of the 'r' register?Seeing Sokurah's code in the [URL="http://www.worldofspectrum.org/forums/showthread.php?p=583188#post583188"]crunch sound thread[/URL] has made me th…
... made me think about the r register.
I' ... ve used this a fair bit myself as an ... number eg:
ld a,r
cp n
jp ... presumably better than eg LD A,(23672) (though much much ... see how it's a bit of a blunt instrument as ones ...For Sale Box no.20Morning all, another box of odd sized things. Box 20 Odd Shaped Things Laser Basic ? Ocean IQ 2 x Superchess 3.5 ? CP Software Superchess 3.0 ? CP …
... /> Supercode ? CP Software
H.U.R.G. ? Melbourne House
Gift ... Trader Trilogy ? Pixel
Make-A-Chip ? Sinclair/Incognito Software ?RARE ...Games for SaleI'm selling off all my Spectrum collection, and here's the first sale thread. All games worked the last time I checked but if there is any interest i…
... .
Ideally, I'd rather have a cheque - I am also ...
Slaine - Martech
W.A.R - Martech
PAC Land - Grandslam ...storing machine code in BASICA couple of years ago I posted a routine for storing machine code between PROG & VARS, based on an idea in Toni Baker's "Mastering Machine Code". Thi…
... $=FN d$("A",va)+FN d$("B",FN g(ov))+FN d$("C",FN h ... (ov))+FN d$("D",ov)+FN d$("E",128 ... $=FN d$("A",va)+FN d$("B",FN g(nv))+FN d$("C",FN h ... d$("E",FN h(n))
GO SUB 9165: POKE a,b: POKE a ...more on storing mazesPrompted by Wookiee's escapades, I've been pondering on how to use DATA statements directly for displaying background graphics, thus avoiding the dup…
... ? TAB ?? TAB a? AT c? TAB a? AT d? TAB a? TAB ??"
4 ... (a+1):
DEF FN g(v)=v-256*FN h(v ... ): DEF FN h(v)=INT (v ... (udg): POKE defadd+1,FN h(udg)
50 FOR m ... (m,a)): POKE udg+a*2+3,FN h(m(m,a))
NEXT a ...28-character wide multicolour(ish) on 48k SpectrumLong-time lurker here... I've always been interested in rainbow effects on the 48k Spectrum, mainly from a perspective of "Just what [I]would [/I]ha…
... character wide multicolour on a 48k ([url]http:// ... in memory. This would (a) use self-modifying code ... A
LD (STRTLN),A
LD L,A
LD H,A
LD A ... ,24
LD (DEPTH),A ... /> LD H,A
LD L,C
LD D,A
...Intermittent reset on 48K (issue 4S)I'be been fighting an intermittent selfreset the whole day. Changed ULA - did not help. Tested TR6 as i could and compared the reading with another…
... />
I load a short program. For example RAM ... is fine, otherwise i'd get a "r tape loading error" ... Looked at the voltage with a oscope. Pretty calm, not ... suspected that it had a loading issue (always gave ... my amplifier which had a fault. It distorted the ...WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... ZX Spectrum Games Master. Its a great start thanks for that ... supposed to let you draw a title page for the ... . Idea is you design a screen then break the program ... book.. plus im still a bit unsure how to use ... C;"*"
50 LET A$=INKEY$: IF A$="" THEN GO TO 50 ...40 Column Printing RoutineI've written a 40 column printing routine, which I'd like to share... It's my first piece of 'public' code so go easy on me! I don't think it is a…
... and %11000
or h
ld h,a
pop af
ld e,a
ld d,0
rl ... multiply by 8
rl d
rl e
...
