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Sam Revival issue 19 out now! [Sam CoupIssue 19 of Sam Revival is now out! Let's start off with what's on the coverdisk: Conquest. Written by Peter King in 1997 this originally had a lim…
... this issue is "Programming the Z80", a new machine code column ... introduction to the Sam's Z80 CPU, hexidecimal numbering, memory ... a gentle plunge into learning Z80 assembly and you'll soon ... Account" option on the next page.
Cheque / Postal Order ... -
Forum page listingsJust wondering if it would be possible to alter the way that the WOS forums display pages in the thread-listing page... What I mean is, say you have …
... pages in the thread-listing page...
What I mean ... posts). In the thread listings page it shows as:
... 0.62 Available now (Multi-page thread 1 2 3 ... ... 0.62 Available now (Multi-page thread 1 2 3 ... ... 12 13 Last Page)[/CODE]
If ... -
divide+ and multifaceI have a divide+ and was wondering if it works with a multiface. I am thinking about getting one. Ideally I would like to use the multiface to save t…
... if it works with a multiface. I am thinking about getting ... would like to use the multiface to save to the divide ... -
Z80 CPUs goin cheap.This guy is selling them very cheaply and has a couple multi item auctions for them. Thought I would post here in case people were looking for one/so…
... ]http://cgi.ebay.co.uk/Z80-CPU-BRAND-NEW-FOR-SINCLAIR ... -
Multiface 128Hi Would it be possible to convert a Multiface 128 to use with a Spectrum +3. With a piggyback ROM and switch to enable and dissable the different …
... be possible to convert a Multiface 128 to use with a ... Transpack 2 and Genie 128 Multiface 128 Disassembler, but I seem ... -
Multiface +3The other Multiface topic has reminded me about this... I may still have this lying about somewhere (although +3 i had at the time is long dead and …
The other Multiface topic has reminded me about ... -
Adventures in Programmable Logic, Part 1So I have a couple of Xilinx CPLDs, and I've downloaded the Xilinx programmable logic IDE (WebKit ISE, they call it). All 1.2 gigabytes of it. Plus S…
... 't feel like doing any Z80 code yesterday, so instead I ... Spectrum. This needs 4 octal page flip flops, a couple of ... -
Improved emulator page?I've noticed that the emulator page hasn't changed since I first visited a few years ago. Of course, it works fine but I was wondering if there was a…
... 've noticed that the emulator page hasn't changed since I ... easier to read and the page is shorter as a whole ... to re-design the entire page for the site admin to ... -
Multiface 1 and copy protectionI was piddling around on my speccy last night getting my Specdrum running. I had already put the software on microdrive via my Multiface 1. Anyway, …
... software on microdrive via my Multiface 1.
Anyway, I ... thought the Multiface had some 'code' in it ... required you to have the multiface attached to the speccy to ... -
What was a Z80 computer capable of ?I have always wondered, and maybe the techy people on here could answer, with what you know about the Z80 processor, was the spectrum hampered by the…
... what you know about the Z80 processor, was the spectrum hampered ... so, what graphics could a Z80 be capable of ? it always ... -
SPIN's breakpoints - an overviewAs quite a few people have been asking how to set breakpoints on memory write etc. in SPIN, here's a description of the way the breakpoints work. Get…
... , regarding port I/O: The Z80's port input/output ostensibly ... -
How does the Z80 communicate with hardware?How does the Spectrum (or Z80) interact with other hardware devices? I think devices can communicate with the CPU through interrupts, but how can the…
How does the Spectrum (or Z80) interact with other hardware devices? ... -
128 I/O portsIn The Spectrum Hardware Manual there is a small circuit on page 71/72 to allow 128 I/O ports by using IORQ+A7 to override IORQGE, so any I/O access …
... is a small circuit on page 71/72 to allow 128 ... a transistor soldered across the Z80. I notice from the Interface ... -
Small ROMs updateI've finally got around to updating my [url=http://www.shadowmagic.org.uk/cgi-bin/spectrum/roms.pl]ROMs page[/url] with some of the ROMs I've "recent…
... -bin/spectrum/roms.pl]ROMs page[/url] with some of the ... .uk/spectrum/roms/z80-opus-32.rom.zip]Z80 OPUS v3.2 ... -
WANTED : Multiface oneLooking for one "Multiface one" for 48K or +2... Thank You.
Looking for one "Multiface one" for 48K or +2... Thank You. -
Having trouble compiling thisI made a small program to help me check the contents of Astro2008's code (to see how easy an English version could be made). I figured I could compil…
... with the address set at 16384, but the compiled program never ... ://zxspectrum.zidev.com/zx/text_viewer_v2.z80[/url]
The original ... imported the compiled code to 16384, but when I tried to ... -
It's a trap!So I got a CPLD (not the eventual one I want to use for the ethernet project - rather, one I actually have here and now, an XC9536 in a PLCC44). And…
... downstream device, it doesn't page our ROM.
For ... page-ins, I've made the ... means I trap before the Z80 actually fetches the instruction, and ... through the gates).
Page outs are done differently. When ... -
Infoseek TZX Info BlockCould we get the TZX info block Game/utility type field filled in from the Infoseek Type field?
Could we get the TZX info block Game/utility type field filled in from the Infoseek Type field? -
Z80 ParserAs you can see from my signature I'm doing a new Z80 assembler partly as a coding exercise and partly as there's some extra features I need. I'm hal…
... I'm doing a new Z80 assembler partly as a coding ... -
ZX Spectrum 128k + Plus D + Multiface 128 for sale !Shameless plug for a class Speccy auction on eBay which includes a ZX Spectrum 128k+ (heatsink model), Plus D Interface, 3.5" Disk Drive and boxed Mu…
... .5" Disk Drive and boxed Multiface 128 !
[url]http ... -
Snow Joke z80 doesn't work?The z80 file for Snow Joke keeps giving an error message when you try to take the first object in the game: [url]http://www.worldofspectrum.org/info…
The z80 file for Snow Joke keeps giving an error message when you try to take the first object in the game:
[url]http://www.worldofspectrum.org/infoseekid.cgi?id=0006990[/url]
The tzx file works fine though. -
MultifaceThe Multiface pages contain a [B]Budget Price[/B] that is more expensive than the [B]Original Price[/B]. Is this correct? e.g. Original price £…
The Multiface pages contain a [B]Budget ... .org/infoseekid.cgi?id=1000275]Multiface 1[/url] only. -
Lerm Z80 ToolkitJust a note that the version on WoS is version 2 of the Z80 Toolkit. I have version 1, but the tape snapped while TZXing. It might be worth noting i…
Just a note that the version on WoS is version 2 of the Z80 Toolkit. I have version 1, but the tape snapped while TZXing.
It might be worth noting in case another copy turns up. -
Z80 from a ZX81 in a Spectrum?Can I put a Z80 from a ZX81 into a Spectrum 48K? It should work even if they both are clocked differently (3.25MHz vs. 3.5MHz AFAIK), right? Thanks,…
Can I put a Z80 from a ZX81 into a Spectrum 48K? It should work even if they both are clocked differently (3.25MHz vs. 3.5MHz AFAIK), right?
Thanks,
Thomas -
Source of Z80 ProcessorsHi all, After seeing the somewhat inflated prices that +2A's and +3's seem to be going for on eBay I'm wondering if trying to fix my 48k+ is a bette…
Faulty Spectrum (help requested)I have an issue 6a specci. It's Z80 has the fault m1 line problem (Multiface 128 does not work). So I decided to put in a new Z80 but unfortunately i…
... 's Z80 has the fault m1 line problem (Multiface 128 does ... put in a new Z80 but unfortunately it was ... socket and put the Z80 in again. Unfortunately the ... a working ULA and Z80 from another Spectrum (issue ... before I unsoldered the Z80 perfectly. It also seems ...Multiface 1 or 128Hello, If anyone has a Multiface 1 or 128 they no longer require I will gladly take it off your hands for a fee obviously... Thanks
Hello,
If anyone has a Multiface 1 or 128 they no longer require I will gladly take it off your hands for a fee obviously...
ThanksDivIDE+ and 128K HeatsinkI got my DivIDE+ yesterday and i tried it on a 48K+ at first, it worked marvelously on it, no problems at all. Today i desided to try it on my 128 H…
... of the Z80" but the weird thing is that Multiface 128 works ... its place. I tried another Z80 (Zilog brand), nothing.... and ... why....
Every other Z80 i tried previously (and the ... tested ang working ok with multiface 128, interface I and Microdrive ...If you've got a real working MF128,IF1, and MDR combo can I ask a favour?So, if you do have a real Multiface 128, Interface 1, Microdrive and, oh yeah, a Spectrum (48k or 128k) that are all working, can I ask a favour...? …
... you do have a real Multiface 128, Interface 1, Microdrive and ... /sinclair/hardware-info/Multiface128_Manual.pdf"]Multiface 128 Microdrive Formatting Routine[/URL ... (hd_11),de ;
rst $08 ; page in shadow rom
defb ...