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Amstrad FD-1 Disc DrivesA quick question: With the Amstrad FD-1 external disc drives, I've seen DDI-1 interface cards mentioned. Are the DDI-1 interfaces just for the Amstr…
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These correspond to the unconnected pins on the +3 - pin 2, 4, 6 ... , and 10 (because of the [URL ... numbering[/URL] of pins on the +3)
The FD-1 has both ... -
Amstrad FD-1 Disc DrivesA quick question: With the Amstrad FD-1 external disc drives, I've seen DDI-1 interface cards mentioned. Are the DDI-1 interfaces just for the Amstr…
... the back of the drive and into the disk drive port on the back of the +3 ... when I use the drive with the +3? The one that sends ... power down the ribbon cable ... those pins are left disconnected on the +3 motherboard so it should ... -
Amstrad FD-1 Disc DrivesA quick question: With the Amstrad FD-1 external disc drives, I've seen DDI-1 interface cards mentioned. Are the DDI-1 interfaces just for the Amstr…
... those pins are left disconnected on the +3 motherboard so it should Just ... far as I can see. The problem I see is that ... you could get the cable plugged in upside down ... extra special care with the +3 because Amstrad got the pinout backwards.[/QUOTE ... -
Clear command in z80Hi, How would I replicate what the basic clear command does in z80? Do I need to change the stack pointer as well as setting ramtop (23730)? If I se…
... Bunny;751786]Note that the address of $1eaf for CLEAR_RUN ... ROM.0, and for the +2A/+3 it is $1207 in ... ROM.1 . In addition, the ... upon the model. The routine is still there in the BASIC ... as I am running the code on the +3 and it works fine. -
Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…
... ram?[/QUOTE]
The Spectrum provides a mechanism for ... alternative routines to manage the various I/O channels ... other routines. This is the standard channel table on the +3:
... S' to channel 'X' (='R' on the 48k) so that I could ... -
Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…
... substituting alternative routines to manage the various I/O channels ... other routines. This is the standard channel table on the +3:
... S' to channel 'X' (='R' on the 48k) so that I could ... to redirect your text to the shadow screen.[/QUOTE]
... -
Amstrad FD-1 Disc DrivesA quick question: With the Amstrad FD-1 external disc drives, I've seen DDI-1 interface cards mentioned. Are the DDI-1 interfaces just for the Amstr…
... drive externally to the +3? I have the drive connected to ... that I plug into the back of the +3.
[/QUOTE]
the pinout on the +3 connector is non standard. See the SinclairFAQ ... wiki for the ... -
Ghosts n' Goblins loaderI'm trying to put Ghosts n' Goblins onto a +3 disk but struggling to understand the mc loader. Basic loader [code] ink 7 : clear 25000 : load "" cod…
... bug and don't work on 128k machines. It seems that ... locked before launching the program.
So, the patch would be ... already lock 48k mode at the start of my disk loader ... +$01) and the game seems ok so far on the +3 although I have ... -
external drive +3I recently bought an external drive kit for my +3 [url]http://www.ebay.co.uk/itm/111267120287?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649[/ur…
... this something from the amstrad world? because the +3 has head select all ... treat the two sides of a 3.5" disc separately (where on a 3 ... " drive you'd turn the disc over). On the +3 it's ... />
[I've actually patched the +3 CP/M boot loader so ... -
external drive +3I recently bought an external drive kit for my +3 [url]http://www.ebay.co.uk/itm/111267120287?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1439.l2649[/ur…
... 720K floppy disk in +3 BASIC, if it is ... formatted externally (e.g. on PC) to double sided ...
(I should disconnect the forced head select switch to ... be able to use the drive this way...)[/QUOTE ...
You can do the formatting on the +3, just not from BASIC. ... -
New Game: DreamWalker (Alter Ego 2)[B][I]"Is this the real life? Is this just fantasy?" [/I][/B] [I]I will tell you a tale about a little boy. A little boy which was not like the othe…
... on DIVide connected to a +3 and in Fuse and ZXSP emulators on ... OSX.
It seems to load the first ... and then crashes.
The TZX file works fine in ... snapshotted that and loaded it on the +3 without problem, so I don ... -
New Game: DreamWalker (Alter Ego 2)[B][I]"Is this the real life? Is this just fantasy?" [/I][/B] [I]I will tell you a tale about a little boy. A little boy which was not like the othe…
... smogit;756078]Both on DIVide connected to a +3 and in ... Fuse and ZXSP emulators on OSX.< ... br />
It seems to load the ... crashes.
The TZX file works fine in ... that and loaded it on the +3 without problem, so I ... -
Help! +3Just got my +3 working after replacing the drive belt. All was OK until I plugged in my Multiface 3 (known working with a +2a) and the computer went…
Cool, according to the service manual (specifically [URL="http:// ... IC21, which doesn't exist on the +3 (Memory IC's are 4464 ... ).
Either way, if the RAM is socketed, grab a ... />
Hopefully that'll sort the issue.
B -
+3 Power SuppliesI have about 4 spare +2A power supplies. Can I use these with the +3, or is there any difference?
... as you can see, the +12V supply on the +3 PSU is constructed to ... supply higher currents than the +12V ... diameter wire (compared to that on the +3 PSU), which when heavily loaded ... -
PC to +3 communicationsHi I'm going to explore the abilities of my +3 to communicate with a PC. The "natural" ways to do that would be via serial or parallel link. I've b…
... , and a combination of all the ports on the +3.
Use half ... the printer port for 4 bits ... stick to the rs232/keypad sockets your solution should work on any ... though - I've wasted hours on it myself in the past. -
PC to +3 communicationsHi I'm going to explore the abilities of my +3 to communicate with a PC. The "natural" ways to do that would be via serial or parallel link. I've b…
... , and a combination of all the ports on the +3.
Use ... half the printer port for 4 bits ... cable would use the hardware already present on my +3.
... [/LIST]
The main goal is use the +3 to write it ... -
+3 loading problems.I can't load from tape on my plus three. I'm using a stereo to two mono cable, and when I plug the correct cable in to my computer or tape recorder …
Mark,
I'm using the cable as you described, but stuff I can load direct in to my toastrack works fine; on the +3 I might get the occasional border change. -
TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…
... is more like it - the assembler version of TAPlist. ... slightly unusual, but it works. The ZIP file:
the m/code file is on there as ... by what's happening on the screen - it's ...
Tested on 48k/+128k/+2/+2A/+3. On the +3 type LOAD "T ... -
Spectaculator & GENS4Im using Hisofts Gens 4 assemler with Spectaculator and getting an error: [B]Bad Name[/B] when I try to assemble and save the file to a TAP. Assemb…
... vague memory - GENS4 on the +3 works differently to previous ... Maybe it is just the +3 specific version, I really ... paper that came with the blue covered handbook ... that detailed the different assemble commands for ... /> Maybe you're using the +3 version? -
New bicolour game: El Stompo.Phew! Finally finished my first game using Einar's fantastic Nirvana engine. [B]El Stompo.[/B] [IMG]http://i1142.photobucket.com/albums/n608/davey…
... !
Tested and played on my Spectrum +3e, I made ... a disk image for the game if anyone would like ... I haven't tested it on the +3 so that's good to ... -
Joystick Interfaces on +2AJust found out that my DK'Tronics joystick interface doesn't want to play with my +2A (black). The Kempston port works OK, but not the Sinclair port…
... when I came up with the idea the thought was to come ... use keyboard mapped joystick input on the +3 and +2B.
If ... bus separation you'd use the traditional type of remappable cursor ... still one less than the 48k version of the interface would need :) -
Fixing/modding my new +3Hi, In december I won an auction for a working +3 with a dead floppy drive, + a Multiface 3, some disks and tapes, for a very low price (I think nob…
... where the tape head is connected on the amplifier of the recorder, but on the 3...
on the +4, and making a 5V output on the +3 for the tape player and the ... external 3,5" floppy ... -
+2 Grey Composite question.Hello all, Long time reader first time poster and all that...... Probably a daft question which has been asked hundreds of times, even though I ca…
... colour artefacts out. At least on the +3 that is. I don't ... think I ever tried on the 48k - I was doing ... 's worth remembering that on the 128k machines all the PAL signal generation ... , bright, and sync wheras on the 16/48k the ULA generates analogue YUV ... -
+2 Grey Composite question.Hello all, Long time reader first time poster and all that...... Probably a daft question which has been asked hundreds of times, even though I ca…
... colour artefacts out. At least on the +3 that is. I don't ... think I ever tried on the 48k - I was doing ... 's worth remembering that on the 128k machines all the PAL signal generation ... , bright, and sync wheras on the 16/48k the ULA generates analogue YUV ... -
Games with Plus3/Disk enhancementsFor about 95% of games of +3 disk, it was simply the tape version with the only benefit being reduced loading times. However, there were a few excep…
... don't think the graphics are actually converted on the spot, they' ... re probably stored already converted on the disk. But my point ... from Knight Orc on, it only had graphics on the +3.
... I'm still curious about why +3 ... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... did plenty of art on the spectrum back in the day), but my ... them, just like I did on the +3, but I don't know ... how to save the screenshot from Spectacular (the emulator) to the mounted DSK ... for the help! It would be great to noodle away on the speccy ... -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... them, just like I did on the +3, but I don't know ... how to save the screenshot from Spectacular (the emulator) to the mounted DSK ... to mount virtual Spectrum disks on the host file system that I ... -
UDG tricks?I always enjoyed using [URL="http://www.worldofspectrum.org/ZXBasicManual/zxmanchap14.html"]UDGs [/URL]for the 'sprites' in my games, when I coded th…
Ah, well I was writing BASIC code on the +3 in Spectacular.
I always found BASIN a bit crashy and confusing.
I don't know how to load in custom fonts in BASIC.
My speccy BASIC knowledge isn't even up to CSSCGC levels, tbh! ;) -
Anyone can help with hacking TwisterI believe I have found a truly unhackable game. Twister The mother of Charlotte.... It's the decryptor starting at 65068 I'm having problems with. …
... mentioned before, in ALLRAM mode on the +3 or +2a. It MUST be ... USR0 mode on a Spectrum +3 or +2a.
The decryptor mentioned ... are 3 files in the archive. The standalone Poke file, the tzx with the poke ... -
Points on +2 Cassette to add Mono plugHi All, I am looking for the points on the ZX +2 cassette board where I can add the wires to a mono jack to load from WAV Anyone help?
... /> If black, then I believe the audio out can be modified ... as a tape in as on the +3.
If it's ... can solder the connections to the points on the cassette PCB where the tape audio ... would normally connect. This protects the ULA from being overloaded by ...
