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The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... data byte into checksum
cpi ; inc hl, dec bc, set ... =330091&postcount=29]the CPI trick[/url] :-) -
What's your party trick?I can juggle five objects properly, which when the booze is flowing usually get's plenty of attention and copycats. Normally I start off with the us…
... also know a wine-glass trick that you rotate in interlocked ... /> What's the best party trick you have or have seen? -
CPI emulationI'm currently writing Sinclairean's emulation assembly for the CPI/CPD/CPIR/CPDR instruction group. Does anybody know what exactly the behavior of th…
... 's emulation assembly for the CPI/CPD/CPIR/CPDR instruction group ... -
Laser Squad trickHi all, Here's a small "trick" I discovered when porting Laser Squad's extra levels ("The stardrive" & "Laser platoon") to MSX: - Load level "The…
... />
Here's a small "trick" I discovered when porting Laser ... -
How does the anti-MERGE trick work?I remember on the Beeb you decided whether to load a program and stop, or load a program and automatically run it, by choosing between LOAD and CHAIN…
... you do that anti-hacker trick where MERGE crashes the machine ... -
Assembly - Loops bigger than 255Hi, It looks like it's a bit difficult to make loops with more than 255 cycles on Z80 machine code, since the 16-bit decrements (DEC) do not alter a…
... />
There's another neat trick you can use in cases ... addresses in HL: use the CPI instruction, which performs a comparison ... :
ld (hl), 62
cpi
jp pe, loop
Assembly - Loops bigger than 255Hi, It looks like it's a bit difficult to make loops with more than 255 cycles on Z80 machine code, since the 16-bit decrements (DEC) do not alter a…
[QUOTE] ld hl, 16384
ld bc, 1024
loop:
ld (hl), 62
cpi
jp pe, loop
ret[/QUOTE]
Great trick!
I've never used CPI in my life before.
But I guess I'll be using it now :)Graphics program in AssemblyHi so I think I'm getting the hang of this so I've done this program. It writes directly to the screen. I'm using ZX Spin. [code] LD HL,16384 LD B,…
... /> Here's a more advanced trick for you:
[code ... ),D
INC D
CPI
JP PE, Loop
[/code]
The CPI instruction does "INC HL; DEC ... in this usage.
CPI+JP -> 5 bytes, 26 ...Complete stupid bastards don?t give up...IDSA wrote this word to Zx.da.ru ( [url="http://www.zx.da.ru"]http://www.zx.da.ru[/url] ) "It has come to our attention that your server located at […
... not? Trying the same bloody trick twice... I want to see ...Super Wonder Boy in MonsterlandI have just noticed some graphics differences in the screenshots of the game as it was reviewed into Crash magazine. [url="ftp://ftp.worldofspectru…
... assumsions. Is this another magazine trick or it is just an ...Hi there, just though a heads up for a Mint Shadow of the UnicornAlso i have a shinkwrapped version, I ideal would like to swap this with somebody for some of my most wanted. But an offer of cash will do the trick …
... of cash will do the trick nicely.
Your choice ...YM effects on Atari ST reproducable on Speccy?From the YM music format site: "SID-Voice SID-Voice is a great sound trick on the ATARI, because of low CPU consuming and great sound effects. It …
... -Voice is a great sound trick on the ATARI, because of ...Elite - %@$(*!$!*(%! dockingAllright, all you die-hard Elite veterans out there, a neophyte needs your help ! I know the age-old 'trick' for docking is to run up near the stati…
... /> I know the age-old 'trick' for docking is to run ... few minor corrections which the trick doesn't specify :)], presto ! you ...Wanted Software to Swap for Rom Carts ;)Wot I have for grabs is 4 Complete ROM Carts which I will swap for my wants below Horace [url="http://www.cornishdavey.dsl.pipex.com/4.jpg"]http://w…
Platform vs BackgroundForgive my ignorance if this is a 'stoopid' question, but although I've written games for many platforms over the years I'm only now making my first …
... areas? Or is there some trick to make this easier - it ...Opening the safe in Trap Door 1Can't seem to get the safe opened properly, after all that hard work ! I've moved the weight up to a certain point - if I push the safe underneath it…
... .
Is there any trick to this ? All the other ...InterruptsA small piece intended for the FAQ. Comments, corrections, additions welcome. Notably: * How long does the 48K ULA hold /INT low? * What happens i…
... used was 0xMN). One cute trick on the 48K machine would ...How to cheat in LocomotionI like Locomotion and when I played it I always used this little trick. If you press and hold FIRE while moving pieces of the railroad track the trai…
I like Locomotion and when I played it I always used this little trick. If you press and hold FIRE while moving pieces of the railroad track the train runs slower and you will have time to complete the level.A little trick in S.W.I.V.Do you know that there's a little hidden message in S.W.I.V.? I don't remember what you should do exactly but I think if you press the keys S and W o…
Do you know that there's a little hidden message in S.W.I.V.? I don't remember what you should do exactly but I think if you press the keys S and W on the loading screen while the game is loading the game will not load and the screen will turn blank. Now, ...DEC BC/LD A,B/OR C/JP NZ,loopyesterday i saw nice trick:[code] dec bc ld a, b or c jp nz, loop can be replaced (bc starts >255, short jump) by: dec bc inc b djnz loop [/code] …
yesterday i saw nice trick:[code]
dec bc
ld a, b
or c
jp nz, loop
can be replaced (bc starts >255, short jump) by:
dec bc
inc b
djnz loop
[/code]
..niceAll Or Nothing - with speech!Does anyone know how to get [url="http://www.excellentcontent.com/emuzone/ez117.htm"]All Or Nothing[/url] working correctly with speech, in any Specc…
... it... is there some special trick or option to enabling it ...ANN: Tipshop updated Saturday, 02 April 2005Saturday 02 April 2005 Another day late. Never mind, eh? I'm sure you'll agree it was worth the wait? (Oh, please yourself!).. There's a distinctly P…
... /> Thief, Trail Racer, Transmat, Tremor, Trick of the Tale, A, Troll ...What's the oldest games developer or publisher?What's the oldest still-operating developer or publisher of computer or video games? I don't mean the brand here, I mean the actual original company…
... suppose this is sort of trick to answer exactly because something ...Is Joe Sat the guitar king or wot??!He played in Mumbai this Friday and I saw him play! 3 hours of pure guitar madness featuring some outstanding technique and trick-play. Not to mentio…
... featuring some outstanding technique and trick-play. Not to mention some ...Why emulators are not as good as the real thingI think I remember thx1138 saying before that emus didn't cut it for him. Well, I agree. They are good fun, and I got into the Speccy for a second ti…
... pull of a new graphical trick. These interests are lost on ...Composite Video on a 128+2AAny one know of any links or information on getting a composite video image out of my spectrum 128+2A. I know its not the same procedure as for the …
... simple as the 48 modulator trick so what is it?????Uri geller : Has he powers v being the worlds greatest fraudOk someone asked for this. Someone mentioned bending spoons. How is it done then? along with small keys and other cutlery. I can only recall one mor…
... it, so if its a trick, why can't everyone learn ...
