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Online AssemblerHi, Has anyone tried this? [url="http://clrhome.org/asm/"]clrhome.org/asm/[/url] I tried building the example to a .tap file, saving it and …
... ?
[url="http://clrhome.org/asm/"]clrhome.org/asm/[/url]
I ... -
[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…
... using [url=http://clrhome.org/asm/]the excellent ORG web ide/assembler[/url ... /> #define INK_WHITE %00000111
#define org .ORG ; Assembler directives, add/remove as ... /> #define end .END
org $5CD2 ; Can be as low ... -
Idiots Guide......To machine code, or assembler language...whatever the appropriate term is Basically at this stage I want to fiddle about and try and get used to…
[url]http://z80-heaven.wikidot.com/instructions-set[/url]
[url]http://clrhome.org/table/[/url]
and begin to think hexadecimally :-P -
"Decoding z80 Opcodes" (http://www.z80.info/decoding.htm#intro) - Incorrect HALT Opcode?Apologies if this is a dupe but I searched within the forums and couldn't find anything. I've been working on a z80 emulator (for academic and rec…
Very useful tool [url="http://clrhome.org/table/"]here[/url] -
IXL and IXHI don't know much about undocumented instructions but I get the impression that [b]LD A,IXH[/b] or [b]LD A,IXL[/b] (B, C, D, E also fine, HL not) are…
[quote="tstih;872330"]what are the timings for these two instructions?[/quote]
There are a lot of undocumented instructions described: [url="http://clrhome.org/table/"]http://clrhome.org/table/[/url] -
Must be missing the point - machine code... Hi Folks, Trying my hand at machine code again but falling at the first hurdle. I hand crafted the following to run at address 62000 and the co…
... you definitely need [url="http://clrhome.org/table/"]this tool[/url].
Where's my green square? Basic & m/c question.I'm going mad here - can anyone tell me why my little basic program isn't displaying a green square at the top of the screen? I've checked the num…
... using the table at http://clrhome.org/table/ for the opcode reference ...Thought this would be simple... Z80Hi Folks, Started to read "Beyond simple BASIC, Delving Deeper into your ZX Spectrum" by Dilwyn Jones. This is a great book and I came across the…
[quote="Paddy Coleman;919886"]but entering LD (XCOORD),$32 will not assemble...
[/quote]
Because this instruction does not exists.
Just check [url="http://clrhome.org/table/#ld"]this[/url].Hacking the ZX Spectrum 48K ROMHi Guys, I have modded my Speccy with a dual boot ROM loading on first bank the original ZX kernel and on the second bank an enhanced version. I h…
... , as well as [url="http://clrhome.org/table/"]a list of Z80 ...What is the best book to start AssemblyI want to start to learn Assembly
... I use this website http://clrhome.org/table/
KKWhat is the best book to start AssemblyI want to start to learn Assembly
[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…
... of this reference table http://clrhome.org/table/, which I modified myself ...50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
As a general rule, a table such as [url=http://clrhome.org/table/]this[/url] helps to not lose track of what constitutes valid [u]ZX Spectrum[/u] instructions in a world of objectionably-named, arbitrary emulated hardware. :-h :-\"50Hurts - Full-screen 50Hz 1-pixel scrolling on a 128K Speccy50Hurts - Full-screen 50Hz 1-pixel horizontal scrolling on a 128K Speccy. Graphics are an obvious nod to Joffa, whose games and banter were a big ins…
... table such as [url=http://clrhome.org/table/]this[/url] helps to ...ftp.worldofspectrum.org down?I seem to be unable to connect to ftp.worldofspectrum.org or any of the mirrors. All I get is: H:\>ftp ftp.worldofspectrum.org Connected to [url="h…
... to connect to ftp.worldofspectrum.org or any of the mirrors ... /> H:\>ftp ftp.worldofspectrum.org
Connected to [url="http ... ://www.worldofspectrum.org."]www.worldofspectrum.org.[/url]
Connection closed ...Goodbye void.jump.orgI see this domain name's being discontinued. This was my preferred way of accessing WoS (easier to type than worldofspectrum.org) so I'm a bit sad t…
I see this domain name's being discontinued. This was my preferred way of accessing WoS (easier to type than worldofspectrum.org) so I'm a bit sad to see it go.Emulation - the Legal breakthrough? ( taken from RAWW.ORG )Just saw this at RAWW.ORG. Since thre tends never to be much discussion there maybe it'll interest those of you here: [I][B]Although it doesn't real…
Just saw this at RAWW.ORG. Since thre tends never to ... solely on that from Raww.org. I may look into it ...Remakes.Org Remakes Competition 2004All you old school coders, better be there or be square! Details can be read on the remakes.org forums here:- [url="http://www.remakes.org/websi…
... be read on the remakes.org forums here:-
[url ... ="http://www.remakes.org/website/forum/showthread.php?s ... ;threadid=2257"]http://www.remakes.org/website/forum/showthread.php?s ...ORG? Mm?What is ZXSpin compaining about when I haven't defined an ORG? I understand it's some sort of address where the code will be stored. If this is the …
... I haven't defined an ORG?
I understand it ...raww.org - it's aliveHi all. Just a quick post to plug the fact that raww.org is back up-n-running following a few, erm, months of downtime. It's a little... lacking at …
... plug the fact that raww.org is back up-n-running ...raww.org theme helpHi people's. This is actually semi-ZX related, but I thought I'd post it here. I've been gradually working on re-writing the main theme for [URL="ht…
... theme for [URL="http://raww.org/"]raww.org[/URL] - my aim is ... like the [URL="http://raww.org/"]current theme[/URL], which it ... the theme ([URL="http://icabod.org/noobloo2.html"]NooBloo2[/URL]), and ...Happy Birthday to raww.orgI realise no-one will actually care, but seeing as we keep seeing birthday greetings in the forums I thought I'd mention that my ZX news site ([URL=h…
I realise no-one will actually care, but seeing as we keep seeing birthday greetings in the forums I thought I'd mention that my ZX news site ([URL=http://raww.org]raww.org[/URL]) turned 7 today.
Happy birthday to, well, me.Anyone else having problems with www.worldofspectrum.org?Is anyone else having trouble accessing [url]www.worldofspectrum.org?[/url] I can reach worldofspectrum.org (without the www) OK but I can't get to …
Is anyone else having trouble accessing [url]www.worldofspectrum.org?[/url]
I can reach worldofspectrum.org (without the www) OK but I can't get to the www version.My game is on www.scene.orgIn 2006 I've programmed by self-educational proccess a Speccy like game for windows. In 2007 I've signed it to DiHalt demoparty and then it appeared …
... appeared on [url]www.scene.org[/url] .
There is ... />
[url]http://www.scene.org/file.php?file=/parties/2007 ...
