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unused assembler commands?Z80 processor has commands like OUTI OUTD OTIR OTDR INI IND INIR INDR.They deal with sending /reading bolcks ofinformation to ports. The problem is, …
... instruction at work in my disassembly here
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Check out Martijn's Disassembly of the Opus ROM. -
Trying to remember a game. Can help me?Hello everybody. I was a fan of my ZX when I was young and now I'm trying to get the hands ona game that made me happy for lots of hours. It'a a game…
Looks like we have another celebrity amongst us. Is that you, Brendan Kelly? I enjoyed GAC. :)
Necros. -
Old software shops that have come and gone.One that i remember fondly was Software Plus in Great Yarmouth, i bought my copy of Streetfighter II C64 there, and also a little gamestore in the Ma…
Legal Sinclair clones?Are any of the cloned Sinclair computers legal, other than the original Timex machines? Are the QL Clones legal? Could a legal clone be produced with…
... hasn't already seen the disassembly.[/QUOTE]
That's what ...Multiface DisassemblyThere's mention of a crude Multiface 128 Disassembly in this comp.sys.sinclair posting [url]http://groups.google.co.uk/group/comp.sys.sinclair/brows…
That disassembly was far too crude to be considered useful. It went down the pan where it belongs!Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
Interface 1 Memory Map(I'm not sure which section this post should go in, but here seems as good as any) Since the Interface 1 ROM is only 8k long, does anyone know what …
... parts of the Interface 1 disassembly, which I have online, where ... wrong ?
The original disassembly by Gianluca Carri is also ...Lesser used BASIC commandsAre there any interesting articles or books that explore some of the lesser used BASIC commands/functions e.g. DEF FN, IN, OUT etc? The Spectrum BAS…
... to code but reading the disassembly of the SCREEN$ function it ...Development SurveyI was just wondering how many people are actually developing games or programs for the Speccy. I'm not talking about people who "plan" to write somet…
... /> For IF I'm using GAC (don't ask) everything else ... ? (Asm, Basic, C etc)
GAC (although starting to look at ...GacDid anybody at WOS write a good adveture with GAC? I spent hours making adventures with it and thought it was a really good product and nearly finish…
I've done some stuff on GAC - the versions on the machine no longer exist but i have the notes so I can remake.GacDid anybody at WOS write a good adveture with GAC? I spent hours making adventures with it and thought it was a really good product and nearly finish…
I preferred Quill, couldn't get into GAC at all, maybe i'm too stupid!GacDid anybody at WOS write a good adveture with GAC? I spent hours making adventures with it and thought it was a really good product and nearly finish…
I once opted to use GAC for creating my 'Legend Of ...GacDid anybody at WOS write a good adveture with GAC? I spent hours making adventures with it and thought it was a really good product and nearly finish…
... than learn how to use gac or quill for my manic ...Checksum RoutinesHi there everybody, Does anyone have an 'off the shelf' assembler routine for generating checksums? Thanks Jim
... here :-)
SPIN's disassembly exactly matches your ROM listing ...Calling ROM routinesFirstly, sorry if this is the wrong forum to post this in, but I wasn?t quite sure under which heading is best fitted. I?m trying to figure out how…
... , no! Just read the ROM Disassembly - I have to actually store ...Interest in a new adventure game?After recently reading the feature on Gilsoft in Retro Gamer I got the urge to go back to my adventure tools and create something which was actually …
I've got a four-week break coming up at the end of next week. Pull the finger out, Blood!
Anyone still use GAC these days?The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…
... number of bytes in the disassembly listing (just one, or 3 ... type..." and pick "Word", the disassembly listing shows the last odd ... $8000) was included in the disassembly of the stack, so I ...The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…
... /> Double-click somewhere in the disassembly to set a breakpoint (that ... can double-click in the disassembly to remove a breakpoint... but ...Microsoft vs the WorldSo what operating system are you using
... had "The Complete Spectrum ROM disassembly" for the Speccy, and now ...The New SPIN releases ThreadOk, as I'm now working on SPIN again full-time, and as a very wise man once said, "Release Early, Release Often"[1]... I'm going to release new SPIN…
Aha!
If you hover your mouse between the panels housing the disassembly and the registers, it will turn into a "splitter" pointer. Click and drag left and right to make the registers display smaller or larger.
D.CLEAR does not RESTORE the DATA pointer??According to the Spectrum manual, one of the things that a CLEAR command does RESTORE the DATA pointer. Either it doesn't actually do this, or some…
I've been caught out by that before, but checking the ROM disassembly it can be seen that the CLEAR routine at 1EAC doesn't call the RESTORE routine at 1E42, so it's never going to do it.Public domain text adventures?Are there any Spectrum text adventures which are in the public domain? Boring, I know, but if anyone has the answer...? :-)
... Search Of The Lost Valley GAC adventureWas learning machine code a waste of time?I remember computer magazines from the mid-1980s often had features about using machine code, which I duly skipped over as it seemed totally impenetr…
... . When you look at a disassembly of your code, particularly when ...Floating point representationI'm planning on picking up the [url=http://matt.west.co.tt/category/spectrum/openzxrom/]OpenZXRom[/url] project from where I left off a few months ba…
... out the TRS-80 ROM disassembly, try downloading the book 'Microsoft ...Floating point representationI'm planning on picking up the [url=http://matt.west.co.tt/category/spectrum/openzxrom/]OpenZXRom[/url] project from where I left off a few months ba…
If you decide to check out the TRS-80 ROM I also have a document that lists ROM routines so it's a lot easier to find stuff than the disassembly.Adventure CoderAnyone out there remember the fanzine 'Adventure Coder' ? I believe it was a spin off from the fanzine 'Adventure Probe' It's funny but I've spent …
... with PAW then? or a GAC man?
I did ... years and years ago using GAC for my Computer Studies GCSE ...Adventure CoderAnyone out there remember the fanzine 'Adventure Coder' ? I believe it was a spin off from the fanzine 'Adventure Probe' It's funny but I've spent …
... with PAW then? or a GAC man?
I did ... years and years ago using GAC for my Computer Studies GCSE ... the Atari ST equivalent of GAC, which is unsurprisingly called STAC ...Adventure CoderAnyone out there remember the fanzine 'Adventure Coder' ? I believe it was a spin off from the fanzine 'Adventure Probe' It's funny but I've spent …
... question are well versed with GAC/PAW as compared to the ...Help where do i startIm thinking of writing a game or two for the speccy. At the moment Im not sure what type. But Im after some general info. I know laguages like Basi…
... .pdf"]The Complete Spectrum ROM Disassembly[/URL]
You might ...Rst #38This, as far as I know, is the ROM procedure that does the keyboard check. (and, at the same time, is what's being executed by interrupt in IM 1 mode…
... $02bf as in Death's disassembly.
[quote]
The ...
