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ram unity for 16k allows also to plug a joystick?hello I?d like to know if a RAM interface for a 16k spectrum allows also to plug, together, a joystick? Thanks
hello
I?d like to know if a RAM interface for a 16k spectrum allows also to plug, together, a joystick?
Thanks -
issue 2 board c34 getting hotHi All, Can anyone help with c34 getting hot very quickly? I`ve got an issue 2 board, there is no `buzz` from coil. yet the spectrum initalises to co…
... anyone help with c34 getting hot very quickly? I`ve got ... -
RAM Turbo on +2AHello Spectrum-fans, does anybody know if the RAM TURBO Joystick interface (this with cartridge slot like the INTERFACE2) can be used with a +2A? I …
Hello Spectrum-fans,
does anybody know if the RAM TURBO Joystick interface (this with cartridge slot like the INTERFACE2) can be used with a +2A? I don?t want destroy a machine to test it.
Regards
Thomas -
Games that remind you of long hot summers of oldSo, we're coming up to the Summer Bank Holiday, and it isn't exactly warm outside. I'm currently typing this in my back garden which is in shade all …
... remind you of the long hot summers we had in the ... -
Hot Rod (missing artist)[URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0002361"]Hot Rod[/URL] DF or PF in the lower right (I think I've seen this one before but can…
... .org/infoseekid.cgi?id=0002361"]Hot Rod[/URL]
DF ... -
Diagnosing Spectrum 48k (faulty RAM chip?)I have a Spectrum 48k (I believe it may be an upgraded 16k model) that doesn't work, and never has ever since the owner gave it to me. When you turn …
... joints for the bottom-left RAM chips seem to be very ... physically on the board which RAM chip the display attributes is ... on. This all points towards RAM for me - I don't ... -
RAM PagingCan anyone shed some light as to how RAM paging actually works, at a hardware level (so not POKE xxxxx stuff). I know about CE and OE lines on DRAMs …
... some light as to how RAM paging actually works, at a ... -
How much ram has my ZX Spectrum?How can I see how much ram my ZX Spectrum has? C64 has this info in the title screen, the Spectrum not. Thanks! Micky
How can I see how much ram my ZX Spectrum has? C64 has this info in the title screen, the Spectrum not.
Thanks!
Micky -
Test single ram chips?Is it possible to test single ram chips? Micky
Is it possible to test single ram chips?
Micky -
4116 ram chipsI need some ram chips to fix my 48k + issue3b, I have done the composite video mod and it works, now i just wanna play games on it but its stuck on r…
I need some ram chips to fix my 48k + ... advised to replace the lower ram chips. I can't test ... -
Making BASIC occupy less RAM?I risk being told to search the forums and the entire archive of type-ins, but here it goes... Is there any known utility to do all the hard work of…
... a BASIC listing in high RAM, and then a routine in ... "uncompressed" listing would fit the RAM just fine. How would I ... -
Ram joystick interface and Competition ProMy Ram joystick interface does not work probably with a Competiton Pro joystick with autofire (on a ZX 48K). Is this normal? My Competition Pro wit…
My Ram joystick interface does not work probably with a Competiton Pro joystick with autofire (on a ZX 48K). Is this normal?
My Competition Pro without autofire works very well.
Micky -
Looking for some 48k RAM (upper 32k bank)Greetings, I was wondering where I could find some upper RAM for a 48k (issue 4A). It's the Texas Instruments TMS4532-20NL4 P8419 (or any compatib…
Greetings,
I was wondering where I could find some upper RAM for a 48k (issue 4A).
It's the Texas Instruments TMS4532-20NL4 P8419 (or any compatible RAM).
Thanks,
Thomas -
Someone can help me to fix my Zx Spectrum?I did a video about the startup: [url]http://dl.dropbox.com/u/1566495/ZXSPECTRUM03.mp4[/url] I have replaced the ULA with a working one (same proble…
... (same problem)
None RAM modules are hot.
I know that ... -
zx81 internal ram upgrade?just curious if others have? I mean can you just rip the memory out of the ram-pack and use that.. as I'd rather just have the unit upgraded interna…
... the memory out of the ram-pack and use that.. as ... -
LDIR timings in contended RAM?The 48K Spectrum technical reference page ([URL="http://www.worldofspectrum.org/faq/reference/48kreference.htm"]here[/URL]) describes the detailed ti…
... the detailed timings of contended RAM. It gives timings for Z80 ... in, or reading/writing, contended RAM.
I can decipher ... 48K, or double buffered -- paging RAM bank 7 into a 128K ... -
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…
... test program which can test ram. It also says that machine ... has broken ram. And if i remove upper ... -
The incomplete Contact Sam Cruise RAM disassemblyThe incomplete Contact Sam Cruise RAM disassembly is now up at pyskool.ca: [url="http://pyskool.ca/disassemblies/contact_sam_cruise/"]Browse online[…
The incomplete Contact Sam Cruise RAM disassembly is now up at ... -
ZX Spectrum 48K, issue - works fine till it gets hot (?)ZX Spectrum 48K, issue 2, works just fine, tested with Winston's diag board. At a certain moment in time however, it seems to run hot and stalls. Whe…
... however, it seems to run hot and stalls. When it has ... />
When it has run hot, I still measure all the ... and ULA both get very hot, but as far as I ... -
How the spectrum generates the video from ramHi everyon, I know that most people here allready know this but i think i found out how the spectrum acctually dispalys stuff and why the LD x, (HL)…
... assign the first K of ram to video memory and the ... is accessing the higher order ram (> 16K) the ULA (or ... -
2 48K speccys dead..Hey guys! I've got two of our rubbery friends with me that need some help. They've been like this for some time, but I would like to try and fix th…
... that, so I suspect a RAM problem... Now, when I plug ... 't seem to get that hot... Maybe perhaps I should let ... -
ZX Spectrum Woes...In my endeavours to get my second Spectrum (Issue 3) working I have replaced the CPU, memory and lower ram. I have fitted sockets for the CPU and me…
... the CPU, memory and lower ram. I have fitted sockets for ... old chips were running quite hot, now all the memory chips ... the two previously assumed faulty RAM chips.
The only ... -
Win2003 tweaking to make better use of lotsa RAM ?I have a server running Win2003. This machine is fitted with 4 GB of RAM, which is far more than strictly required. It only runs a few apps, and is …
... fitted with 4 GB of RAM, which is far more than ... " 2 GB of the available RAM without losing any steam.
RAM at startup to reduce the ... -
Speccy boxes with no RAM markingHi people, I noticed the other day that my Issue 1's box is different to the others. All the other boxes have "16K RAM" or "48K RAM" printed on them…
... other boxes have "16K RAM" or "48K RAM" printed on them in ... all, but has a "16K RAM" sticker on one end only ... -
Spectrums with gold RAM chips?Hey people, This is a first for me: [img]http://www.mutant-caterpillar.co.uk/ian_stuff/blingspeccy.jpg[/img] Is it normal to have gold RAM chips? …
Hey people,
This is a first for me:
[img]http://www.mutant-caterpillar.co.uk/ian_stuff/blingspeccy.jpg[/img]
Is it normal to have gold RAM chips? I've not seen this before! -
Cheetah 32K RAM PackI acquired a Cheetah 32K RAM Pack this week and took it apart to give it a clean. Unusually all the identification marks on the top of the chips hav…
I acquired a Cheetah 32K RAM Pack this week and took ... .org/Vintage/Sinclair/82/Peripherials/Ram%20extensions/Cheetah%2032K%20Rampack/PCB ... -
changing extended RAM pages in SpinIs it possible to edit the data in 128k extended RAM pages in Spin? I've tried both the debugger tool and the pokes tool and, although they let me ma…
... the data in 128k extended RAM pages in Spin? I've ... -
128K+2A/+3 RAM layoutDoes anybody know how physical RAM is mapped to ZX 128k+2a/+3 address space ? There are four 64Kx4 chips IC4-IC7. IC4-IC5 seems to be contended (vide…
Does anybody know how physical RAM is mapped to ZX 128k+ ... be contended (video RAM). It would mean RAM banks 4-7
RAM test program, can be on ... -
128k RAM paging from BASICI'd always thought that OUT had to be used to page RAM, which from BASIC would be an "OUT 32765,ddd" command, although I don't know if just doing tha…
... to be used to page RAM, which from BASIC would be ... -
File size in 128K RAM diskHi Folks, Is there a way to get the size of a file stored in the 128K RAM disk from within a BASIC program? Many thanks Paddy
Hi Folks,
Is there a way to get the size of a file stored in the 128K RAM disk from within a BASIC program?
Many thanks
Paddy
