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Sorting BusinessThis is a little bit different from the usual game-related fare but I know there are a few people here who like this sort of thing. This is about so…
... the code to use a lookup table with Ciura gaps, instead ... -
Sorting BusinessThis is a little bit different from the usual game-related fare but I know there are a few people here who like this sort of thing. This is about so…
... the code to use a lookup table with Ciura gaps, instead ... -
Optimal shifting for set pixel?Hi, I'm optimizing my set pixel code. For speed. But without using partitioned memory (i.e. a table on 256 byte boundary) I have optimal memory addr…
Using a lookup table is probably best, but if you really wanted to do it without, you could use self-modifying code.
Have a [B]SET 0,(HL)[/B] instruction, and modify the last byte from C6 to be (C6 | (x&7) -
Beautiful codeSome people see beauty or something sublime in maths formulas and equations, can anyone suggest examples of beautiful or sublime programming?
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I'd also add lookup tables as something that usually ... -
Currah ?Speech channelIt seems to me that it would be nice to be able to send words to the ?Speech with PRINT #5;"Speak English to me, Jimmy" or some such. There really i…
... say is just a massive lookup table. This is entirely do ... -able but the actual lookup would be a huge IO ... -
Tile engine and slight colour flickerOver the past few nights I've been working on a simple tile game engine for a rock fold game I'm making. While all is going surprising well I've not…
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Made by screen table lookup a bit bigger to include ... -
Help needed with calculating screen addressesCan anyone help me finally crack Jonathan Cauldwell's screen addressing calculator and, more to the point, is the reason I'm struggling because this …
Here's my table lookup version of PIXADD in case ... -
Dock's ZX Maze gameI'm hoping to finish a simple maze game in ZX Spectrum BASIC this week, as part of the Ludumdare Retro challenge. I used to dabble in speccy basic on…
... to use ATTR for the lookup, but I could do with ... -
Dock's ZX Maze gameI'm hoping to finish a simple maze game in ZX Spectrum BASIC this week, as part of the Ludumdare Retro challenge. I used to dabble in speccy basic on…
... to use ATTR for the lookup, but I could do with ... -
fixed point mathsI came across this site which is quite interesting [URL="http://z80-heaven.wikidot.com/advanced-math#toc18"]http://z80-heaven.wikidot.com/advanced-ma…
... the additional overhead of cache lookup on every operation too large ... -
X=Y=ZFirst public outing of X=Y=Z for the 48K Spectrum, a 4-level demo which can be download from: [as TZX] [URL="http://www.bobs-stuff.co.uk/extras/xyzd…
... me a while to recall/lookup the syntax :) ) and I think ... -
X=Y=ZFirst public outing of X=Y=Z for the 48K Spectrum, a 4-level demo which can be download from: [as TZX] [URL="http://www.bobs-stuff.co.uk/extras/xyzd…
... me a while to recall/lookup the syntax :) ) and I think ... -
zmakebas updated - MSDOS executable includedHi all, Via a good friend (Alistair Neil) I have managed to update zmakebas - the tokenizer for Spectrum BASIC files. New version 1.3. There's now …
... CLOSE statement plus the command lookup mechansim would often get confused ... -
maths questionNB this will probably show what a tragically low level understanding of maths I have, but hey ho :-) for some reason the other day I suddenly remem…
... a cordic algorithm or table lookup to get the answer.
ZX-Assembler file handling concept[QUOTE=clausjahn;777075]Dear readers, At this time, it's a good time to ask you, the future users, how to implement the file usage. Let's suggest so…
... file. Presumably with a slow lookup as in your example CodeR ...Buffer to screen - how much?[FONT=Calibri][SIZE=3]I am starting to build a new game and am researching different ways to accomplish what I need to do. My question is, is it poss…
... . Line by line, use a lookup table and do them in ...clear a windowed area of the screenHi everyone! Ain't been on here for donkeys, but have recently started messing around with a little game. I'm looking for ideas/opinions on the bes…
You could build a lookup table for each row and point areas you don't want to clear at the ROM?clear a windowed area of the screenHi everyone! Ain't been on here for donkeys, but have recently started messing around with a little game. I'm looking for ideas/opinions on the bes…
... ;798428]You could build a lookup table for each row and ...πBacteria, Bare Metal emulador for Raspberry PiSorry, Google traslated text below ---- What is an emulator Bare Metal? It is an emulator that runs directly on the machine, no operating system beh…
... a 4bpp mode with a lookup table generation, so every byte ...Smokin... more 48k woesHi, it looks like I've converted another Spectrum 48K+ into a smoke machine. I'd been rebuilding an Opus Discovery unit and everything looked good. …
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I will try to lookup the datasheets at lunchtime, but ...64x48 monochrome big pixels display ideaHi. I was playing with this idea of having a simple 64x48 bytes buffer, 1 byte per pixel, then a renderer which would take that buffer and render it…
... of "combining" pixels using table lookup...
OK, let's ...ZXMAK2Hi everyone, I'm glad to present you the latest version of my emulator - ZXMAK2 :) There are a lot of changes were made since the last topic about t…
... device compatibility;
- change plugins lookup to load assemblies from plugins ...Multiplying. Again.Is there a faster way of hl=a*32 than doing add hl,hl 6 times?<div><br></div><div>I get the feeling that working with 8 bit registers for most of it …
Is that any value in A, or is it limited?I'm pretty bad at the maths stuff but I'd be surprised if you'll do significantly better than ADD HL,HL, even with a flabby lookup table.EDIT - ooh what abour RLD?maths help 'JSW'JET SET WILLY uses a lookup table to play the opening tune (Moonlight Sonata) this is the table [code] 34299 DEFB 81,60,51,81,60,51,81,60,51,81,…
thanks zoep
that makes better sense as to why the values dropped when the notes rose???
anyway the lookup table is done for moonlight sonata (sounds good) now the tricky bit.....the game.
:)DEFFNder: a small library of BASIC functions written in Z80I've published a small library of 15 Sinclair BASIC functions written in Z80. I wrote it last year for a project of mine. Some of them are generic, s…
... , the usage example of both lookup functions was wrong:
Mirror tableCan anyone help with a byte mirror table? e.g. so you can look up a byte of a left-facing sprite and return the correct right-facing value. There …
... appear at the end with lookup tables and excellent coding by ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... this msge. But the longer LOOKUP routine of 2.2 is ...
