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+3 hardware without a fixer boardJust thinking about plugging random hardware into a +3 (from something mentioned on another thread), and I wondered... I know some hardware won't wor…
... work because the +3 has two ROMCS lines, neither of which is in ... same place as the "standard" ROMCS line. This is why interfaces ... -
Speccy +2 (Grey) peripheralsHello all, I have just bought a grey +2 to use as a workhouse whilst I keep my 128 toastrack for Sunday best. It hasn't arrived yet, however I was wo…
... disc drive). These machines have two ROMCS lines where all the previous only ... hold both ROMCS lines otherwise bus collisions may occur as two ROMs ... jumper to enable the second ROMCS. On earlier machines, the ... pin used for the second ROMCS is a video output, ... -
Connecting a ZX Interface 1 to a +2AI have a customer with a Spectrum +2A computer - he has a working ZX Interface 1 and microdrive which has been tested with his +48 machine. However,…
there are at least two different problems with using the ... first is that there are two romcs lines, one for each rom. This ... -
What model next ?Hi All I already have two 48k rubber kyed 48k Spectrums and a Grey +2 What to get next. ZX Spectrum + ZX Spectrum 128 Toast Rack ZX Spectrum +3
Spectrum +3, Issue 2...I have just had plonked on my desk a nice issue 2 Spectrum +3. I'm not sure if its 100% working yet, as I have not plumbed it into a telly. So, assu…
Jumpers on a divide etc will still need to be set to "+3". This is to deal with the fact that the +3/2B have two romcs lines.ZX Spectrum +2A 128K Peripheral CompatabilityHey guys, Are the ZX interface devices and microdrives compatible with the +2A machine? Col.
... /> No. The issue is the ROMCS line on the edge connector ... /+2A and the +2B have two ROMCS lines. However, you can modify the ... lines are joined, and then things that rely on a single ROMCS ... +3 though, which uses both lines to page in its ROM.Odd versions of the Multiface One.I've been looking through the adverts for the Multiface One and it's clear that there were a number of versions available. Note the earliest advert …
... +3/2A and +2B have two ROMCS lines so you have to hold ...Diagnostic Board (Winston designed) PCB'sHi everyone, I had these made earlier in the year, built mine then promptly mislaid the others until now :) and I'd like to offer these to the commu…
... +2A/+3 due to the two ROMCS lines on the edge connector of ...winston's diagnostics boardHi there Mr Winston I don't know if you remember I posted about your diagnostics board earlier and how i used a 7404 instead of the 2 mosfets, well I…
... using a mosfet on the ROMCS line I used a 2N3906 ... diodes on the ROMCS lines and hitting the two ROM OE lines on the ...Switching peripherals on and offis there a way in which i can add a switch to switch off peripherals and switch another one on i.e. Multiface, DivIDE etc? Can i add it on the NMI o…
... it on the NMI or ROMCS lines on a 48k Spectrum, and ... as they dont have a ROMCS line.
i dont ... RD lines, also IORQ and MREQ. I don't think, ROMCS will ... for +2A/+3 they have two ROMCS for their both ROMs, but ... switch the complete bus between two peripherials.Using +3e ROMs without physically replacing internal ROM chips?Is there any external hardware available which can logically replace the internal ROMs of a +3 with, e.g. the +3e ROMs, *without* having to open up a…
... need to be aware of two separate /ROMCS lines :confused:
Let ...The direct bus or indirect one... that is the questionThe Ethernet project continues...and I'm in a quandry. So I've managed to implement enough socket library for the W5100 that socket, bind, listen, a…
... work (modulo one or two bugs, and still requiring ...
The W5100 supports two parallel modes - bus direct mode ... where it has only two address lines - address 0 is ... wraps around and do two LDIRs if necessary). Bus ... and then only two address lines need to go to ...The Speccy Tour - How to improve it and encourage participation?[This will be posted on the HARP board as well, to encourage debate.] The Speccy Tour is, as many of you know, [U]the[/U] worldwide championship for…
... Tour. The majority answered along two main lines: a) not enough time ...Switching peripherals on and offis there a way in which i can add a switch to switch off peripherals and switch another one on i.e. Multiface, DivIDE etc? Can i add it on the NMI o…
... it on the NMI or ROMCS lines on a 48k Spectrum, and ... as they dont have a ROMCS line.
i dont want ...ROM switch on NMIHello! Please, help me or point in the right direction. I am building a project for 48k spectrum which must activate its rom (actually static ram) …
... way to process NMI and ROMCS lines. It does have CLPD for ... my NMI. So, this way ROMCS switch in between instruction fetches ... /> The problem here is that ROMCS must be changed very fast ... ,
wait for BUSACK, change ROMCS, deactivate BUSREQ, wait for M1 ...Strange INK behaviourThis weekend I hooked up two Sinclair ZX Spectrum with Interface 1 to try out the networking capabilities, and I ended up using parts of the Net Game…
This weekend I hooked up two Sinclair ZX Spectrum with Interface ... the INK and PRINT on two separate lines Spectrum no 1 wrote ...Help With AY Music Program in BASICHi, last year I started writing a BASIC program for making and recording AY Music. I thought it would be easier than learning how to use Soundtracker…
... , but - so far I have two problems:
[b]1 ... "j"+x,y: REM Volume Two Icon
116 NEXT x ...Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…
... />
255 times, followed by two more lines:
RL (HL ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... /> SRL A ;divide by two as lines are drawn in pairs
lines in the sprite
JR ... A,D ;draw the next two lines
AND 7
JP ... /> SPRYLEN DEFB 32 ;number of lines in sprite (must be divisible ...need help with speed optimization. this procedure draws a sprite with mask from memory onto the screen with x-coordinate in pixels. it doesn't shift sprites in realtime, it just uses …
... appropriate address
; for line two
LD A,C ... /> SRL A ; divide by two and lines are drawn in pairs
* When shifted each byte takes two bytes
* The table is ...Announce Pasmo 0.5.1Hello. New release 0.5.1 of Pasmo, multiplatform Z80 cross-assmbler. The main news are related to macros: the MACRO parameters now are expanded ins…
... line. Sure, you waste two more lines, but lines are cheap. And you ...Want a Speccy Repaired?Maybe it's time to put my 'skills' to use.... Now that I've sourced some of the nastier transistors, I've fixed about 6 rubber keyed Speccys in the …
... . National's logo looks like two wavey lines "~" on top of each ... 48K machines, but I have two that were 16K machines.
BASin release 12a available for downloadChristmas has arrived early, and the new release of BASin is ready for you lot to point out errors, inconsistencies and bugs. Get it here: [url="ht…
... be adding in a few lines of code *after* the UDG ... data, thereby making these lines no longer the end of ... with the cursor a few lines up resulted in the line ... />
But typing in *two* final lines (9950 and 9960) did the ...BASin release 12a available for downloadChristmas has arrived early, and the new release of BASin is ready for you lot to point out errors, inconsistencies and bugs. Get it here: [url="ht…
... be adding in a few lines of code *after* the ... data, thereby making these lines no longer the end of ... the cursor a few lines up resulted in the ...
But typing in *two* final lines (9950 and 9960) did the ... in well now, and lines in general behave well too ...Are the Prism VTX5000 modems any use nowadays?There's one currently up on ebay. Do the old bulletin boards still exist or is the modem essentially useless today? Necros.
... server and if you have two phone lines you could dial up ...How did you spend your Good Friday?So how did everybody spend their Good Fridays then? For me: Got up around 9am, had a nice cup of tea and watched Spongebob Squarepants and Chantell…
... fact that I've got two other lines right next to it ... ADSL MAX enabled... my other two lines run at 2Mbit... why doesn ... : "But what about the other two lines?"
BT: "Yes, they ... lower attenuation than the 2Mbit lines...
MikeWa question about isometric gamesHello I have a doubt... in the isometric games(Batman, Head Over Heels,...)the view is over 45? or 120? ? thanks.
... the screen angle seen between two perpendicular lines situated on the world ... reasonably smooth, the X/Y lines are usually rendered at a ... . Therefore, the screen angle between lines A and B is about ...Using a +3 power supply to power a CPC.Hi there, I'm going to try and power a CPC6128 using a +3 power supply. The +3 supplies 12V DC 0.2A and 5V DC 2A, the CPC6128 needs 12V DC 0.4A and …
Using a +3 power supply to power a CPC.Hi there, I'm going to try and power a CPC6128 using a +3 power supply. The +3 supplies 12V DC 0.2A and 5V DC 2A, the CPC6128 needs 12V DC 0.4A and …
... start. I just found two 12V lines and one 5V line.
You found 2 12V lines as there ARE 2, it ... 0.7V from both power lines, not so much of a ...
