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Restore Registers Returning to BASICI should really know this, but I've not written code that requires a return to BASIC for a loooong time. What registers need to be preserved / resto…
... from a USR call from basic, that and making sure SP is ... stack location and IM1/EI is selected so that Basic's ISR ... guarantee a safe return to BASIC from a USR call, ... :
1. Save SP and the stack (or just don ... mess with them)
2. IM 1
3. EI
4 ... -
Power issues for multiple Speccies - questionWould like your opinions on some power issues I will be coming across soon! I am building up a collection of working Spectrums to form a music Midi …
... 3 machines, forget it as they use +/-12V and a +5V line and ... line with EACH speccy, and because of the slightly ... grey +2, uprate a little to 1.2A per fuse and ... less than an Ampere, and a standard 128K machine ... about an Amp. A grey +2 requires quite a lot more ... -
128K (heatsink) or +2 greylooking for one of these due to being unable to play 128K games on my 48K :) just in emu :( anyone has functioning and cheap one around ireland? (th…
... don't work on +2A/+3 but work fine with the ... on a CompactFlash card and loaded using FatWare and DivIDE interface. Perfection ... they do include loading picture and/or intros).
... moved soon).
Yeah, grey +2 and original 128 have the same ... -
Extended Microdrive FormatterHello all, After a few months on a steep learning curve, some heavy duty reading and plenty of trial and error I?ve written an extended microdrive f…
... />
3. BASIC
If some BASIC is present when issuing ... the MDR image and RUN
2. Default Parameters< ... br /> You can now * FORMAT "m";1;"Cartridge" and ... anyone have any hard and fast documentation regarding writing ... -
Questions from the new owner of a grey Spectrum +2I managed to pick up a grey Spectrum +2 off of ebay with cheap shipping (I'm in the US... it was $13 total and it has a Donkey Kong tape inside) and …
... the grey +2. The grey +2 is basically a 128 with a cassette deck (and ... black +2 is basically a +3 without a disc drive (and uses two ... for the additional address line and some sort of additional ... feet looked like on the grey +2. If they were standard parts ... -
The Only Reason Sinclair Succeeded (Provoking Controversy)Although I love my Sinclairs dearly, I think that the only reason they succeeded was because at the time most people did not know any better (factori…
... a notoriously slow version of Basic...
[quote]
2 TAX ; AND PUT IT INTO X
2/3/4 BCC next
2/3/4 BEQ next ... 1.5 times faster and 2.1 times faster than the ... -
The 128 plus 2 wasn't very goodHaving looked at the review in issue 33 of Crash of the Spectrum Plus 2, it strikes me as a bit odd, as if Simon Goodwin had to like it. I remember r…
... over in Far East, and then formed their business, ... after a few years and now the same screwdriver ... />
Also with the grey black thing, can`t remember ... to varying shades of grey and black was no longer ... a +3 and despite the chunkier look the +2 with it ... -
Pretty CrashesTo make a 48K spectrum crash spectacularly and beautifully enter the following into basic. Also works on a 128k in 48k mode though not quite as prett…
... 128 basic on an amstrad +2. That gives colourful crashes. Every now and ... change the contents and the tune. Only works on the grey +2 though. -
Chip tracking on a speccyhey. im a long time tracker. but new to the ZX spectrum, i just heard some AY riders music and i find it very good! how would i go about tracking on …
... want a 128K or grey +2. (Avoid the +3 - many of them have ... , your main options are Soundtracker and SQ-Tracker, both available here ... gives you all the capabilities (and complexity) of Protracker but in ... -
Questions from the new owner of a grey Spectrum +2I managed to pick up a grey Spectrum +2 off of ebay with cheap shipping (I'm in the US... it was $13 total and it has a Donkey Kong tape inside) and …
... else made an adaptor and got it working? and if so, with ... a +2a or +3, (grey +2 and 128 might be different)and is what I ... /utils/spectrum/zfst01.zip[/url] and that's the terminal software ... -
Spectrum +2a Keyboard bug?If anyone has a Working +2a... I bought a +2a for Christmas 1986 with an 80 Column thermal printer from Dixons. It was bundled with a tape supposed…
Sorry I had the original grey +2 with the ink printed on ... />
I struggled with 128K basic but I seem to rember ... 't use all 21 UDGs and also one of my favourite ... turned out to be rubbish and returned it because of that ... -
Multiface 3 on the +2aDoes anyone know if the Multiface 3 was compatible with the +2a...? as far as i was aware it was but i can't remember for sure...
... Multiface 3 on a +3 or a +2a but not on a grey +2 ... , +2B, +3 (Amstrad motherboard) and NOT compatible with the grey +2 because the grey +2 has ... 128 is compatible with the grey +2 (tested this myself) -
Any interest in new low-cost mass-storage interface with 512K RAM?I've recently added support to ResiDOS and the +3e ROMs for SD/MMC card interfaces; in particular, ZXMMC (which has no onboard RAM and so is only sup…
... on the DivIDE Plus, and a suggested way of ... currently ResiDOS uses 2 ROM banks (BASIC & Syntax) and 2 RAM banks ... (ResiDOS & IDEDOS). However, it also currently reserves 3 ... a minimum sensible requirement (and even that wouldn't allow ... -
Keyboard Problem?Hey all. I'm Dave I'm in my last year of college before I go to University. I'm in the UK. I got a +2 a while back when I first told my mum and dad…
... />
Rich, difference between the grey +2 and back 2A membranes is huge ... uses a +3 membrane.
The original grey +2 uses a membrane ... fit, but type an "a" and maybe you'll get a ... -
+2 / +2a : What's the difference ?+2 / +2a : What's the difference ? I still haven't managed to find out this yet. Yes, I know I'm an idiot.
...
The +2 comes in a grey case and is generally regarded ... compatibility with both 48K and 128K games of all ... changes in the ROMs and on the board (it ... +3 without the disk drive) it's less compatible and ... sound compared to the grey +2 and the 128K. They do ... -
+2 / +2a : What's the difference ?+2 / +2a : What's the difference ? I still haven't managed to find out this yet. Yes, I know I'm an idiot.
... poor sound compared to the grey +2 and the 128K. They do ... fact a cut down +3, the 3" drive being replaced with ... .
Most +3's nowadays are suffering from ... is replace/supplement the 3" drive with a 3.5" unit - ... 180K per side. The +3 is a very capable ... -
+2 / +2a : What's the difference ?+2 / +2a : What's the difference ? I still haven't managed to find out this yet. Yes, I know I'm an idiot.
... on the +2A/+3 that will work on the grey +2. Off the ... , Duet, Cobra, Ghosts 'n' Goblins and Renegade. That's probably not ... are generally between the 48K and 128K machines. A lot of ... die on any 128K machine, and others have graphical glitches due ... -
Opus Discovery and +2A?Can anyone tell me if the Opus Discovery is compatible with the +2A. I've just bought a +2A off Ebay and couldn't find any info on compatability. If…
... " board, but I tried that and blew up the interface. Even ... WoS called "Back to the +3", but that's all I ... off selling the 2a and getting either a +3 with a disk ... drive built in, or a grey +2 and then ... -
Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... until C0 A7 for screen 2, then 10 bytes till ... separately using BASIC, then save as code, and import into ... is 5 screens wide by 3 high, suggesting that 8 ... map for level 1 (and level 2) is actually 6 screens ... wide by 3 high, but ... -
+2 blurry TV pictureHi, I'm a Spectrum user from Argentina, this is my first post :smile: I've recently got a spanish ZX Spectrum +2 (the grey one). Hooking european c…
... a grey +2 that outputs a bad signal through composite and RGB ... can be highly fuzzy and black and white most of the ... these problems and my friend has a grey +2 that has ... there was a batch of grey +2s with a fault ... the circuit used for the +3 shown here: [url]http ... -
PAW tests - help and discussion :)Hello my friends :) I have started to make some tests with PAW and I must say I'm very pleased and surprised at the great program. I will be posting…
... 38 (your location) and type '=2' then hit enter ... changed it to simplify) and what happened.
... 3 from object (container) 3, a box. I diagnosed (entered the box) and ... location 10 (room) and location 11 (bathroom). ... believe I was considering BASIC a week ago... ... -
Cybernoid editorSo, my long tern goal is to make my own Cybernoid or Rex like game (see an ancient thread about Sprite advice)...but my skills are somewhat lacking..…
... that are shifted, so 2 tiles for each lift in ... the final screen data:
2/ Correctly displaying the lifts when ... routine redisplays a previously edited and stored screen containing lifts. The ... Both will be slow in BASIC.
3/ additional problems if you ... -
Screen$ disappearanceGreetings to all developers :D As you know, I have been playing around with Professional Adventure Writer and was making a few tests in the adventur…
... that the bit of basic immediately after the ... You have replaced that basic file with your own ... 1 - typed the basic, didnt record.
2 - made the SCR ... TAP with SCR2TAP
3 - noted the extvec value ... value into the basic program and direct recorded it ... -
Will an interface 1 work with a +2?I don't want to break anything, can I bugger up the +2 by connecting an interface 1 and microdrive to it? Are they compatible? If they are, with no…
Is it a +2 (grey, round power connector cable) or ... +2, but not a +2A as it is based upon the +3 and ... -
Adding AY music to your plogramI'd like to add some nice tune to my program written in machine code. I am not new to assembler programming but with music programming I have no expe…
... also available in the SE Basic ROM.[/QUOTE]
3 and fine value 79 for ... worth of notes and then move up and down octaves as ... necessary by multiplying and dividing the value stored ... by 2 per octave. This is ... -
What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]
... grovel through the Spectrum 128K +2 schematic.
It uses ... , the +2 doesn't have awful things like 4116s, and it has ... - it only needs 4 (ICs 3,4,5,6).[/QUOTE]
grey + 2 who has 16 X 4164 ... -
What's the most probable......cause for this on a grey +2? (z80 is excluded) [url]http://img376.imageshack.us/img376/8087/plus2hk9.jpg[/url]
... grovel through the Spectrum 128K +2 schematic.
It ... the +2 doesn't have awful things like 4116s, and it has ... it only needs 4 (ICs 3,4,5,6).[/QUOTE]
3, but not the grey +2 that uses 4164s.
3 is 4464 - 41464 (same ... -
About the Cronosoft GamesHello everybody, I just want to comment one thing that happens with the Cronosoft Games. I Load them on my Spectrum+2A and I have seen that most of t…
... on a grey +2 afterwards just to make sure, and I didn ... 2 or 3 minutes the music starts to sound strangely and ... weird graphics appear and ... then the game crashes and resets ... -
At the Carboot sale today.Today at the carboot sale I picked up An Acorn Electron -I see these all the time, An Official Branded BBC Micro Datacassete Recorder - I'v…
... blue dixons boxed grey +2 for sale on ebay, and it was where ... but it wouldn't work and he ended up giving ... what should i see 2 grey spectrum +2's no power supplies ... i got both for ?3.00, and when i tested em ... one on ebay and repair the broken one :) and add it ...
