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ZX Spectrum +2A and +2B - finding the true factsI'm confused. Some told me that a +2A has a +3 board, and the +2B got the simplified board. But I think that is not true. I have had over a dozen b…
... colour as the "proper" +2A case, and the moulding of the case ... why the +3 machine had an unpopulated socket on board for the tape ... drive. As a small question here, since the ... a 3" drive for use on the +3 as an external drive, called the ... -
ZX Spectrum +2A and +2B - finding the true factsI'm confused. Some told me that a +2A has a +3 board, and the +2B got the simplified board. But I think that is not true. I have had over a dozen b…
... that poorly used PCB space on the +3 circuit board.
It ... ), a good indication is the date codes on the modulators (if it has ... not been changed) and on the more ... -
ZX Spectrum +2A and +2B - finding the true factsI'm confused. Some told me that a +2A has a +3 board, and the +2B got the simplified board. But I think that is not true. I have had over a dozen b…
... that poorly used PCB space on the +3 circuit board.[/QUOTE]
< ... a good indication is the date codes on the modulators (if it has ... not been changed) and on the ... been changed, that is the soldering is not hand soldering ... -
Beepola v1.08 AvailableA new version of Beepoa, v1.08, is now available for download from:- [url]http://freestuff.grok.co.uk/beepola/[/url] (1.76MB zipped exe, no installe…
... stuff going on in the 1bit music forum about aligning the main ... to better cope with port contention on the standard speccy models. Prior to ... much forgotten about the existence of port contention and suddenly had ... . If you turn up the sound on your tv, you can ... -
Graphics questionHello. I was wondering, does anybody here know of a method to display a large (as in, the better part of the screen) bitmap/raster image using ZX Sp…
... running under +2A/+3 is to replace the +2A/+3 ROMs with a ... 128+/+2 ROM.
The RAMDisc Syntax on ... +2A/+3 is
LOAD ... basic program that will run on the +3 and produce code that will ... -
Graphics questionHello. I was wondering, does anybody here know of a method to display a large (as in, the better part of the screen) bitmap/raster image using ZX Sp…
... />
As mentioned above, the RAMdisk syntax on the +3 is "M:filename" and ... />
Unfortunately, the routine won't work on the +3 as the RAMpage settings are ... different between the SAVE & ... -
Graphics questionHello. I was wondering, does anybody here know of a method to display a large (as in, the better part of the screen) bitmap/raster image using ZX Sp…
... out that the routine will work on the +3 if you prefix the SAVE & ... would need a version of the "Load & Run" assembler ... OLDAF,TARGET,OLDSP and the TSTACK data. The CODE block would ... patched before saving, as otherwise the BANKM discrepancy would cause +3DOS ... -
Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
... 24045 with PUTRAM on the +3 leaves 143 bytes for ... the absolute maximum free RAM for BASIC at the time.
On the +3 ... , at the prompt with ... so ignore that. Taking the difference between OLDSP (containing ... -
Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
... to 24045 with PUTRAM on the +3 leaves 143 bytes for ... the absolute maximum free RAM for BASIC at the time.
On the +3 ... , at the prompt with ... , so ignore that. Taking the difference between OLDSP (containing ... -
Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
I ran this on the +3 with GO TO 1 ... loaded back into place. The RUN obviously didn't do ... of range" error (the check in the ROM is for $F000 ... screen was preserved until the RUN at the end.
... there beforehand, such as the machine stack. I don' ... -
Help with File Compressor by Mladen PopovicHi, I'm trying to compress BombJack (MCM) and transfer it to a +3 disk (Yes I own the original game :) ). I'm unsure about the addresses to enter in…
... ;749547]I ran this on the +3 with GO TO 1 ... of range" error (the check in the ROM is for $F000 ... screen was preserved until the RUN at the end.
the machine stack. I don' ... where your RAMTOP is at the time.[/QUOTE]
Collecting gamesWell I have turned my back on my divIDE and i want ot use my spectrum like i did when i was a kid. So I had some money saved up and went on a buying …
I added another game to my collection. I now have Flying Shark which i have always loved.
Tonight I played it for a good 2 hours on the +3 and now my hand hurts lmao .... Still enjoyed it though.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…
... />
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.Help with 1-bit sampled soundHi all, I've been sent over this way from the CPC Wiki forums as you guys may be able to help me more specifically with a programming query. Firstly…
I/O port contention maybe? See [URL="http://www.worldofspectrum.org/faq/reference/48kreference.htm#IOContention"]here[/URL] and [URL="http://1bit.i-demo.pl/topic/43/beeper-music-and-io-contention-on-zx-spectrums-48k128k2/"]here[/URL].
