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Memory concerns with z88dkI've retaken my old spectrum project and sadly I've reached a dead end very fast. I'll try to explain my worst problem in a few lines. I'm not a vet…
... easy for me to post up a reply :-)
Yes, memory gets used up quickly :-) If you will be ... , im2 vector table and z80 stack.
The ... $c000) but the z80 stack will not. This is ... in properly running code, stack operations have an equal ... -
BA Baggage Handlers / Unitetext deleted due to admin error - wrong forum. Instead Do you think Baggage Handlers have any fond memories of the ZX81?
[QUOTE=Jumping Stack;408053]Will any of the ... : Oooops, how did that end up in the wrong forum...[/QUOTE ... -
Spectrum Review Book is all systems go ![url]http://www.spectrumgamesbible.co.uk/[/url] We've created a small website for the series of books we are looking to create for the Speccy featur…
Got mine today. Lovely. No printing errors as far as I can see, but my Unresident Evil review got credited to Jumping Stack but I think you may have equalled it up by crediting his Super Bomberman review to me! U shud be a referee! -
Spectrum Review Book is all systems go ![url]http://www.spectrumgamesbible.co.uk/[/url] We've created a small website for the series of books we are looking to create for the Speccy featur…
... review got credited to Jumping Stack but I think you may ... have equalled it up by crediting his Super Bomberman ... -
Games you completed this year?I've been taking some time playing old pc games like "The Dig" that I just finished (marvelous game, it kept me wanting to know what would happen nex…
... in fighting game winnings, picking up a Ken action figure and ... 'm glad they finall beefed up her melee attacks. No longer ... possible to play 'cheap' and stack orders, and Alicia rush the ... one was a serious step up in my opinion. Not so ... -
Best commercial game of the 2000 - 2009 decade?What computer or console game do you consider to be the best of the decade 2000 to 2009? I mean commercial game, so Spectrum games don't count (not e…
... , as I could only list up to thirty, so I just ... list, and no doubt a stack I've never even heard ... -
What Z80 development tools do you use? What books?Hi. I've been meaning to do it for over 25 years, but.. better late than never :) I'm starting to learn machine code and am trying to get a developme…
... be useful in speeding it up slightly as INC B is ... routine is lovely using the stack to find the data following ... -
What Z80 development tools do you use? What books?Hi. I've been meaning to do it for over 25 years, but.. better late than never :) I'm starting to learn machine code and am trying to get a developme…
... of 1000) & then gave up :grin: my poor ol' brain ... routine is lovely using the stack to find the data following ... -
Anyone else have a fanboy problem?Over the past 18 months or so, there's been one individual (don't worry, I don't think he posts here, he has a very *ahem* "distinctive" writing styl…
... 't ITU v44 for dial up modems? I'm not aware ... other end of the protocol stack entirely))
He doesn ... -
The amazing Miles Mad Mission thread!Following on from the "Thuderstorms" thread! The JSW I mocked up for a laugh then decided to actually do is under construction. As promised I said …
... will never believe this (Jumping Stack).
The Rigged Voting Blues ... was either ZXBruno or Jumping Stack?).
Winstons Spectranet (Beanz).
up all messed up and not as easy ... -
MOD calculator function?How do I for example, do LET a=(MOD n,9). I can do it a long winded way using cross-addition until the answer is a single digit. So 13763 MOD 9 wou…
... two results on the calculator stack - the DIV value on top ... sliding all the other literals up.
As an experimental ... -
bee-keeper manager?random idea. how many variables could be fit into this? - number of hive colonies active...amount of honey harvested (maybe in in a set time)... need…
[QUOTE=Jumping Stack;418614]Now, see that's ... that they don't use up as much memory, and also ... attributes, but they need cleaning up as they make black blobs ... -
Best Spectrum game from 2009Ok, its almost 2010, and we have to decide which was the best game this year :) Miles Mad Mission [url]http://www.worldofspectrum.org/infoseekid.cg…
[QUOTE=Jumping Stack;419564] Preliminary Monty plays just ... of the original sshows it up for being a programming exercise ... Preliminary Monty would be right up there.[/QUOTE]
Was ... -
Fastest fill m.c. routine ever?What is the fastest fill routine you've ever seen? Is there a listing somewhere? Most games and adventures that use fill routines were considered slo…
... (I think) that I picked up at an airport while visiting ... , which is allocated on the stack. The subroutine allows the caller ... space is available on the stack and if the filler ruins ... being filled can speed things up quite a bit too. -
Fastest fill m.c. routine ever?What is the fastest fill routine you've ever seen? Is there a listing somewhere? Most games and adventures that use fill routines were considered slo…
... The other problem is the stack space usage. 300+ bytes ... on the stack is quite large for most ... that much space for the stack. An exception would probably ... can require a lot of stack space. Because a true ... is an opportunity coming up to do truly new ... -
north and south, simple emulation loading questionSimple question about something I should know... North and South comes as 2 +3 dsk files, side A, side B. I switch Spin to emulate +3, load disk one…
[QUOTE=Jumping Stack;421103]I was! I am! ... arcade sequence/battle and lock up.
Anyway the logic of ... -
north and south, simple emulation loading questionSimple question about something I should know... North and South comes as 2 +3 dsk files, side A, side B. I switch Spin to emulate +3, load disk one…
[QUOTE=Jumping Stack;421164]I had tried the ' ... game still seems to lock up before any action sequence. Perhaps ... game [i]does[/i] lock up when an action sequence begins ... -
How many Ultimate games did you complete without cheating?Ultimate games can be hard - damn hard. I've read a few times that players didn't get very far. I loved the games so I kept at them til they were bea…
[QUOTE=Jumping Stack;421282]Sabre Wulf is a ... always struck me as buoyed up by the marketing hype that ... -
How many Ultimate games did you complete without cheating?Ultimate games can be hard - damn hard. I've read a few times that players didn't get very far. I loved the games so I kept at them til they were bea…
[QUOTE=Jumping Stack;421282]I think it may ... they did look great lined up on the shelf in a ... on a shelf all lined up ;)
Bought many original ... -
1up/2up ?Probably a stupid question, but in many games with two player options the names "1UP" and "2UP" is given next to the score and similar, e.g.: [IMG]h…
[QUOTE=Jumping Stack;422677]Sunday dinners? This idiom ... is derrived from baseball. 'Stepping Up to the Plate' means accepting ... right, we use the term 'up to the plate' when we ... -
1up/2up ?Probably a stupid question, but in many games with two player options the names "1UP" and "2UP" is given next to the score and similar, e.g.: [IMG]h…
[QUOTE=Jumping Stack;422677]Sunday dinners? This idiom ... is derrived from baseball. 'Stepping Up to the Plate' means accepting ... -
The Making Of Manic Miner"Matthew Smith talks us through every level of his classic platformer Sat at the very desk where it was written, Matthew Smith watches Miner Willy l…
... but my graphics card blew up so everything is choppy.
9759: some data up to here, then free space ... /> BC00: More buffers and stuff, up to...
BE84: Non time ... vector table
FF01: Stack high water mark
Microdrive Games CartridgeI've just noticed that Ant Attack on the microdrive [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0014815"]Games Cartridge[/URL] (also bundl…
... 41K memory map including BASIC up to 65535. That affords a ... memory somewhere, manipulates the error stack pointer so that instead of ... the region of the normal stack position and I think that ...Please test my Manic Miner remake!Thanks to everyone who downloaded my sneak preview of Manic Miner Turbo. Thanks especially to na_th_an who is the only person so far to give feedback…
... is ideal for using the stack pointer. Second attempt:
up SP. If you align copybuf ... boundary, you could speed that up as well.OptimisationI've participated in several thread hijacks about this, so perhaps I should open a new thread. Et VIOLA! Here it is! Knuth, who was earlier reporte…
... checked. This can speed things up considerably, can cost memory fragmentation ... though which can also eat up system resources.
In ... can allocate data on the stack (all Java class data lives ...ZX Demos and the wow factorI remember reading a few comments in the past 3 years regarding demos. Some comments included how boring it was to see this or that effect again, how…
... average age of demosceners going up (there's not much new ... gave you about using the stack for multicolour effects (more so ...Problem with Spin 0.7s +3 file I/OI'm currently trying the +3 disk functions in z88dk. I've based my work upon the simple snippet Winston posted a while ago, but doing the contrary. H…
... (presumably, please look it up to be sure) while it ... thing so the stack can't be up there. z88dk places ... default at 32768 and up so the stack was moved below ... you don't want the stack to be in contended ... to keep some system variable up to date with current ...tricks to simplify codingWhen i started with programming in assembler i had very simple approach to do things. Just shifting bytes around, doing simple tests and so... Later …
... [code]
... ; set up registers or C stack frame
call l_jpix ... as parameter
... ; fix stack frame if necessary
stack. The sprite draw code ... the struct_sp_cs from the stack. The struct_sp_cs's contain ...The Daily MailIf you go to Bruce Everiss's blog to find out about the Evony case, you can see a satirical song about the Dail Mail (a British "newspaper"). The Dai…
[QUOTE=Jumping Stack;436191]Well I don't ... " papers, and news is made up of facts, not opinion. These ...
