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Sprinter 2000You can pick this up from me (I live in Derby) It's a brilliant clone of the Spectrum that because it's implemented in fpga it can switch between 10…
... access to 4 megabytes of RAM.
make me an ... -
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…
... unless I use the 64K RAM banking feature of the +2A ... and on its place the RAM is connected.
Bit ...
A=1 for RAM 0,1,2,3
A=5 for RAM 4,5,6,3
A=7 for RAM 4,7,6,3
ZX Spectrum +2A glitchesHi again! I'm very happy to realize that there are so many people ready to help and even argue for how to help better. Hope there is no limit for amo…
... some of higher sectors of RAM, while lower ones still work ...WANTED: Will pay good money for...I am a Sinclair collector of hardward and here is my current list of things I am looking for. I am happy to pay top dollar for any such items but i…
... and/or documentation for 16k RAM PACK (the one that has ... ZX80 on the RAM PACK)
[/LIST]
Booting with a programIf you ever had a VTX-5000, you'll remember it booted to a menu. The menu itself was written in BASIC. When the Spectrum initialized, this BASIC prog…
... into the Speccy's main RAM, then run.
I ...Micro Command - voice recognition for the ZX SpectrumIt's an interface you might know about. This is it: [img]http://www.zxprojects.com/images/stories/microcommand/microcommand.jpg[/img] I've found som…
... 0000h - 07FFh, and 2KB of RAM memory, mapped at 1000h - 17FFh ... . Both ROM and RAM memory don't seem to ...Spectrum lost upper memoryHi again, I have a Rubber key Spectrum(issue 4S) which lost it's whole upper memory. It's worked okay, but i forgot it on over last night. My son wa…
... i have 16K Spectrum which RAM/ROM is in working order ... . I own 32K Ram pack which i plugged in ... i have 48K Spectrum with RAM/ROM OK.
Now i ...Help and Advice with DivIDE PlusHi Guys, Really struggling to get any reliable actiivty with my DivIDE Plus and am looking for some pointers. I am trying to get it to work with on…
... power on and the screen/RAM consistently stays in a static ...ula bookula book is here: [url]http://www.zxdesign.info/book/[/url] can i post sam coupe stuff here - she kind of is a speccy if you stuff the speccy rom i…
... screen off full tilt external ram speed
oh ... rom speed as external ram will need a refresh ... slightly less than the internal ram?
has ... blitter dumping stuff in video ram - would this have ... and dma to access same ram addresses?
...Developing ZX Spectrum using 8 chipsHello. Sorry, my english is not perfect. I am developing new realising of ZX Spectrum. There are 8 chips in my sch. Central processor and video proce…
... keyboard. There are also IS62C1024 (RAM) with octal latch 74ac373, MC78M05CDT ...The Sadness of my Decaying Speccies.I've been avidly collecting ZX Spectrums since the late 90's and whilst at the time of the late 90's and early millennium my Spectrums and associated…
... fault, a couple have developed ram faults probably due to other ... the microdrives?? What about Spectrum ram chips, are the easy to ...Machine code[CODE] OPCODE HEX ADD LD A,05 3E05 F000 LD B,00 0600 F002 INC B 04 LOOP F004 CP A,B B8 F005 JP NZ,LOOP C2F003 F006 LD B,00 0600 F009 LD …
... then set a value into ram so i can see if ...Location of variableHi everyone When basic makes an array how to you find out the location in the ram of where the data is stored. :) Also, does it store the values in…
... out the location in the ram of where the data is ...SAM programmingHi Can anyone provide any example hello world or graphics/sprite printing style machine code routines for the SAM? I can't seem to find anything rem…
... manipulating data in the video ram and thought perhaps rather naively ...emulatorsplease help can we see clearly which emulator emaulates which hardware is there any that has a pc function key for the mulitface nmi button and the +…
... support the 128k features extra ram audio?
there is no ...Dead external HD....help?Hi Folks Gutted. You may have noticed I've been uploading some nice inlay scans over the past months. Have over 10,000 scans on my external HD, wh…
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Seems like a hardware failure rather than an OS issue ...bast, the Basic tapemaker for LinuxAnnouncing a new utility, [b]bast[/b], the BASIC Tapemaker. Now available: version 0.2.3 (alpha) for Linux. At: [url]http://github.com/ec429/bast/do…
... but also their addresses in RAM (assuming no MERGEs are involved ...How hardware progressesWith much sadness my favourite gaming mouse passed away last week so I started to look round for a new one. I ended picking a [URL="http://www.bit-te…
... /> On-board it has 128K RAM so you can carry all ...Broken +3I have noticed that some members on this forum prefer to repair Spectrums instead of just buying another one from ebay. I would like mine fixed at so…
... background, I would say that RAM was alternating between the value ...Poll: how much *space* does your Sinclair collection occupy?I was going through my Sinclair stuff today (to gather various bits & pieces in 1 place), which made me wonder: how much [I]physical space[/I] does y…
... busted on all), two 16K RAM packs (1 broken, 1 fishy ...Computer junkThought i start thread about this,after reading through the capacitor's thread it is true that components will exhaust themselves overtime,so for tho…
... themselves by leakage or hardware failure,has anyone accepted this fate ...Do ULAs die?Thought I'd start this thread as people often think their ULA is dead, when it's actually the RAM or power circuits. Searching the forum in the futur…
... , when it's actually the RAM or power circuits. Searching the ...48k games developed on the 128kSeeing as I don't know enough about this subject(or the history of assemblers/C/C++/BASIC/FORTH/COBOL/whatever programming kits), I thought I'd ask h…
... think of is the extra RAM usable for games, but of ... use of all that extra RAM.
So I thought ...Broken keyboard due to broken ULARecalling csmith's thread about dead ULAs, a thread appeared in the Zonadepruebas (Spanish) forum regarding... a dead ULA, but only a partially dead …
... the border. Apparently, the only failure is in the 5 least ... .JPG[/img]
The failure that the ULA has meant ...Whole upper memory lostHi! I own a rubber key Spectrum with 48K RAM. Suddenly it lost it's whole upper memory. All diagnostic programs says that it's 16K model with workin…
... rubber key Spectrum with 48K RAM. Suddenly it lost it's ... 's 16K model with working RAM. But I own couple of ... is 48K model with fault ram. After changing faulty upper memory ...VIC 20 on the SpectrumThe original "20 Commodes" program released for CSSCGC 2008 has been improved and now has its own entry in WoS. The improved code has been sitting on…
... .
2) Support for 8K RAM and cartridge extensions (+2A/+3 ...FRINGE in the ZX SpectrumJust picked it from the "other side"... ;) [list] [*][url=http://www.atc.us.es/~rodriguj/fringe128.tap]For 128K toastrack/+2 grey[/url] [*][url=http:…
... first time with PLAY) and RAM disc commands. As Amstrad changed ... the syntax for managing the RAM disc, so there's two ...Anyone wanna put together a Speccy package for a noob?Hey all, Bought a couple ZX Spectrum tape games off eBay a while back. My whole collection soon went into storage and I hadn't unpacked it until rec…
... of variation and revisions, different RAM amounts etc.) Obviously would need ...
