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Spectrum 128+ (No TV picture)I got a Spectrum 128+ which is not generating any picture. I checked the TEA2000, and it gets not 12 Volt, but only 1.4, so this is the problem, I gu…
I got a Spectrum 128+ which is not generating any ... -
128kB software with incorrect memory pagingI search all ZX software using incorrect memory paging via OUT (253),A. This software must write to port data value with D6=1 for compatibility with …
... all ZX software using incorrect memory paging via OUT (253),A ... use on this computers different memory pages. -
Enterprise 64/128 thingimagigYeah, I know I'm a dim-bulb but I'm curious... Whats this do? [url]http://cgi.ebay.co.uk/ENTERPRISE-64-128-SPECTRUM-EMULATOR-CARD_W0QQitemZ23044651…
Yeah, I know I'm a dim-bulb but I'm curious...
Whats this do?
[url]http://cgi.ebay.co.uk/ENTERPRISE-64-128-SPECTRUM-EMULATOR-CARD_W0QQitemZ230446515452QQcmdZViewItemQQptZUK_VintageComputing_RL?hash=item35a7aec4fc[/url] -
Games that took the longest to loadJust wondered which games took the longest to load from tape :) From memory: Athena 128 version (could be wrong but I seem to remember this took ag…
... :)
From memory:
Athena 128 version (could be wrong ... />
Daley Thompson's Supertest 128
Technician Ted The ... -
Midi Out from machine codeI need to send midi-signals by machine code, while Basic is too slow for my current project. I already read I can use hookcode #11E, but I have some …
... "][COLOR="Green"]On the 128 and +2, memory is entirely controlled by ... (0-7) to map into memory at 0C000h.
Bit ... this does not affect the memory between 0x4000 and 0x7fff, which ... />
Bit 5:If set, memory paging will be disabled and ... -
Resolution & Memory Question ...Hi, I'm hoping someone with some experience writing an emulator, or a vast knowledge of all things Spectrum can help me answer the following questio…
... information available on how the memory within the system is mapped ... , but where does the graphics memory sit, and what is its ... and what size is the memory available to the user etc ... -
Peter Giblin 1984/1985Philip Giblin Early boards on eBay As revealed in the letters pages of YS in 1984, Philip Giblin produced boards for the SOFT-ROM and two of his bo…
... or RAM is used by PEEK and POKE.
In 1986 ... -
converting ZX128 software for SAM COUPESAM COUPE is computer compatible with ZX48 model. Use same ports, same keyboard with compatible membrane, 64kB adress space with possibility connect …
... 2). SAM use different memory layout/paging than ZX128. ... enable external memory in high 32kB, set port 128 to value 2 ... -128-loader.png[/img]
Additional info about 1MB memory ... for ZX clones with extended memory support. (software for Pentagon ... -
Obtuse One-LinerFollowing a request in another thread, this could almost be crammed into one line. It uses a simple ON ERR CONTINUE to give a continuous display. [c…
Following a request in another thread, this could almost be crammed into one line.
It uses a simple ON ERR CONTINUE to give a continuous display.
[code]
10 INK RND*6
20 IF RND -
Games that never loaded, to this day!Hi there, my first post that is not an ad! I have been looking at the thread about games that you could not complete and it got me thinking to games…
... that always sticks in my memory is Imagines Stonkers
128 in all modes or my ... -
Mum looking over your shoulderWhilst paying a visit to my flat once, my dear old Mum came up behind me whilst I was copying some files from +D disk to a cassette for a friend. I w…
... the screen to work with memory shuffling to keep as much ... moan pointing at my innocent 128+, and as I sat there ... -
4164 memoryHi all, I'm looking for 4164 memory, probably 4 chips. If you have some you willing to part with for some cash, let me know how much you want for it…
Hi all,
I'm looking for 4164 memory, probably 4 chips. If you have some you willing to part with for some cash, let me know how much you want for it + postage.
Cheers. -
grey +2 psu on an original 128?I have a 128 and both +2's.. a / b.. I notice one PSU is the same as the 128 , just grey and the 128 PSU I have is, well I will get it looked at .. i…
I have a 128 and both +2's.. a / b.. I notice one PSU is the same as the 128 , just grey and the 128 PSU I have is, well I will get it looked at .. it's not 100%
anyway, your thoughts are welcome.. thanks -
memoryprobably a dumb question i have 1gb memory in my PC, if i buy another 1gb memory (the same one i bought before.) and plug it into the other slot, do…
...
i have 1gb memory in my PC, if i ... buy another 1gb memory (the same one i bought ... -
+2A extended memory map & ULA bug?The [URL="http://www.worldofspectrum.org/faq/reference/128kreference.htm"]128K reference page[/URL] says: [quote]The ULA bug which causes snow when I…
... set to point to contended memory still occurs, and also appears ... set to point to contended memory.[/quote]
Will the ... , with RAM bank 4 (contended memory) in 0x0000-0x3FFF, and place ... -
128 only gamesHi everyone, this is my first post here after recently acquiring a Sinclair 128k (not an Amstrad one!), already got a 48k and 48k+ but getting the 12…
... and 48k+ but getting the 128 has made me think of ... dedicated 128 software, is there a list ... anywhere that lists just the 128 stuff and what game do ... the best use of the 128's capabilities? -
ZX Spectrum 128Hi! I'm looking to get my first Spectrum! Does anyone have a spare Sinclair 128? I have lots of other vintage computer/video game retro stuff to t…
Hi! I'm looking to get my first Spectrum! Does anyone have a spare Sinclair 128? I have lots of other vintage computer/video game retro stuff to trade, along with cash. Can anybody help me out? Thanks in advance! -
128+ connections questionsI've just won a 128+ on eBay with a bunch of games, its' the one that shows on the front page of this site, I think. I have yet to collect it from th…
I've just won a 128+ on eBay with a bunch ... assuming these will fit the 128+. If not, what else do ... -
Broken ram or what?Hi! I own ZX Spectrum 48K. When i run command PRINT PEEK 23732 + 256 * PEEK 23733, I should get answer 65535? But i get 49151. In my machine the upp…
... i run command PRINT PEEK 23732 + 256 * PEEK 23733, I should get ... . In my machine the upper memory chips are in sockets so ... i remove upper memory chips, test program says memory is OK.
Wanted: Spectrum 128Hi all, With the loss of my Plus 2, I'm now after a replacement Speccy.. I've decided to go for the 128 model.. I'm prepared to pay upto ?30 for it…
... decided to go for the 128 model..
I'm ...Common pitfalls and solutionsLet's discuss some of the common problems in Speccy programming, and the methods we use to avoid them. For an example, here is a piece of code that …
... /> ;Typing USR 0 in 128 BASIC effectively calls memory address 0x0000.
128 paging (which is what happens ... memory banks available.
;The reason they are not available in 128 ...Seeking alternatives to DATA statementsAnyone know of any memory saving alternatives to storing a list of numbers, other than using DATA statements or poking data into addresses?... Im ti…
Anyone know of any memory saving alternatives to storing a ... ,18,60,1,71
128 DATA 1,79,17,64 ...storing machine code in BASICApart from putting m/c above RAMTOP, which means that it has to be POKEd or LOADed separately after the BASIC program; or putting it in a REM, which …
... DEF FN p(a)=PEEK a+256*PEEK (a+1):
DEF ... "Enter as direct commands:"'
" POKE 23627,FN g(";newVARS;")"'
" POKE 23628,FN h(";newVARS;")"'
" ...Memory mapping: Pentagon compatibility?I'm writing something that will rely heavily on the Spectrum's ability to switch screen buffers in hardware (port 0x7FFD). The original Spectrum 128K…
... 0x7FFD). The original Spectrum 128K memory map (with only one ... 0x1FFD on the Pentagon switches memory banks as described in [ ... Second category of expansion of memory over 128k.
... Third category of expansion of memory over 128k.[/quote]
< ...SZX Beta 128 (aka TRDOS) block questionHello, I have a question or two regarding the Beta 128 (aka TRDOS) block of SZX. Hopefully someone (Jon, Philip) will help me. What is supposed to …
... or two regarding the Beta 128 (aka TRDOS) block of SZX ...Average PC Memory size increasing by 48K every half hourAs I'm absolutely sure everybody here is aware, Moore's law states that the number of transisters in a device will double on average every 2 years. …
... />
As average memory increases, price per megabyte usually ... fractionally, the amount of memory increased in one year would ... Law.
[*]Daily average memory increase == 901,943,132 / ... For Smartphones, the average memory is around 256MB now (48K ...WTF stupid machine10 LET X = 28672 or 61440 depending on how much memory you have 20 LET A$ = ?? 30 IF A$ = ?? THEN INPUT A$ 40 LET Y = CODE A$ ? 48:IF Y>9 THEN LET Y …
... 61440 depending on how much memory you have
20 LET ... Z = Z ? 7
60 POKE X,16*Y + Z
128 port hardware patchReading the ULA book has reminded me of something. In The Spectrum Hardware Manual (Adrian Dickens) there is a hardware patch to allow free use of al…
... transistor patch and the Dickens 128-port patch both being applied ... at the top is the 128-port patch, the bit at ... /> Can anybody explain why the 128-port patch doesn't work ...TR-DOS and DIVIDE emulationSome ZX emulators ([B]SPIN, FUSE, SPECEMU, SPECTACULATOR[/B]) contain configuration menu with possibility select ZX Spectrum model and interfaces. Bu…
... with any ZX model (ZX48/128/+2). On +2A and +3 ... only IDE ports (without DIVIDE memory). Exist cool ZX software for ...Looking for cursor routineIt's been a long time since I programmed a little bit in Basic, so I decided to create a simple cursor routine: [url]http://db.tt/SPnSdpx[/url] I k…
... , maybe selectable via one simple POKE before calling it
-OVER ... returns to Basic (maybe via PEEK?)
-Return to Basic if ... via PEEK). Maybe up to n keys could be assigned via POKE ...
