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PicoDivSDPicoDivSD ;) [URL=http://www.fotosik.pl/showFullSize.php?id=600aad8bc221f3cc][IMG]http://images52.fotosik.pl/625/600aad8bc221f3ccm.jpg[/IMG][/URL]
Am I the only one thinking this would be ideal to fit inside a +2/+3 case? :) -
I'm writing an Operating SystemOkay this might seem like a bait thread, but I am legitamately interested in figuring out how to write a multi-process system for the ZX Spectrum (no…
... processes, it would just be inside a call to the OS instead ... switches to process 2, and so on, until a process takes too ... switch, so its probably not a good solution for real-time ... -
Grey +2 and +2A differencesWas the grey +2 incompatability of some of the Spectrum games fixed with the +2A -B?<br><br>
... to know which games the +2 had problems with though because ... +2A/B is a Spectrum +3 with a cassette deck instead of ... a disk drive, but the ... first 128 (the 'Toastrack') but the grey +2 is basically a Toastrack with a ... -
ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …
...
1.) When user imports a certain binary file (27 bytes ... ]
2.) Now user imports a memory execution map from ... was automatically identified as reference inside a data block and thus ... in the middle of a string block should automatically ... -
ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …
...
1.) When user imports a certain binary file (27 bytes ... ]
2.) Now user imports a memory execution map from ... was automatically identified as reference inside a data block and thus ... in the middle of a string block should automatically ... -
Newbie Hardware QuestionsI just recently aquired my first Spectrum, a +2, and I'm in the process of getting acquainted with it. Being a newbie I had some questions, which …
... link[/url], I posted a picture that shows the ... / "Commodore" standard) on a +2 you need a converter adaptor. I know ... 121692508254"]121692508254[/url]) and a converter lead ([url="http ... br /> [ Search info:
SPECTRUM 128 +2 / +3 JOYSTICK PORT ADAPTER CABLE ... -
ZX-Assembler version 0.8 (beta) releasedDear readers, yesterday I've published ZX-Assembler in its first version 0.8. It offers you some interesting features, even if I know there are …
... br /> 1.) When user imports a certain binary file (27 bytes ... />
2.) Now user imports a memory execution map from ... automatically identified as reference inside a data block and thus ... as labels are inside expressions (finally a label itself without ... -
Look at my willyVery early days and there is still loads to do but have a look. [youtube=0-nifgUJtw8]
... definitely as the mouse cursor inside the graphic window does not ... install it (I found a 1999 Version on a public Website), it ... did not compile because of a missing DesgnIntf unit.
< ... checked it on 2 different Laptops. A DELL XPS... and a MEDION Akoya ... -
Game development guidesHello all, I want to get into game development for the ZX Spectrum and would like to know where I can find some helpful guides. I've looked around t…
... /> ; This is a little better
ld a,(Number)
or ... /> ld a,(Number)
add a,a ; a*2 (limits Number to 128)
ld h,0
ld l,a ... [code] add a,a
ld (addr+1),a
addr:< ... -
Game development guidesHello all, I want to get into game development for the ZX Spectrum and would like to know where I can find some helpful guides. I've looked around t…
...
ld a,(Number)
add a,a ; a*2 (limits Number to 128)
... ld h,0
ld l,a ... /> [code] add a,a
ld (addr+1),a
addr:
2' in the above example code a mistake too ... -
Game development guidesHello all, I want to get into game development for the ZX Spectrum and would like to know where I can find some helpful guides. I've looked around t…
...
ld a,(Number)
add a,a ; a*2 (limits Number to 128)
ld ... /> ld a,(Number)
add a,a ; a*2 (limits Number to 128)
add a,VectorTable ... %256
ld l,a ... -
Angles and blocksHelp! Sprites! Blocks! Angles! I have a sprite that has a choice of 64 angles, and want it to deflect on collision with blocks. http://i1142…
... Issue087/Pages/SinclairUser08700079.jpg"]page 2[/url][/quote]
< ... this case, I suggest a much simpler approach.
... br /> Let's consider a block at position (x,y ... , R would be "inside" a wall after next move ... sideways if L will hit a wall.
Games not compatible with the 128+ & grey +2Like the +2A & +3 thread, there are a few games that do not work correctly on the original 128+ and the grey +2. Two games that I know of that wil…
... page that is contended on a 128/+2.
By loading it ... into a different page and applying a few pokes, it ... that the initial version of a game (possibly Sacred Armour of ... Antiriad) wouldn't work on a 128K, even in 48K mode ...Missing in ActionThe more I go in my loft the more I find "Missing in Action" files . Trouble is I am new to this. I have done the tzx's for them but cannot upload th…
After opening up and comparing 2 cassette tapes I found that ... either side inside the cassette . I compared it with a good ... do have the little spoolers inside the cassette which must ... and tried the Viscount tape inside a TDK cassette but unfortunately this ...Games not compatible with the 128+ & grey +2Like the +2A & +3 thread, there are a few games that do not work correctly on the original 128+ and the grey +2. Two games that I know of that wil…
... ) and it will work on a 128/+2 (and with no ill-effect ... interface.
There's a lot of moving about in ... changed:
40073 LD A,254
POKE 40074,143 ... ) to change this to LD A,143
Fill 41792 ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
...
From old notes:
2.1 holds 242, 6, 102 ... , 102, 102
2.2 holds 242, 12, 204, 204 ... , 20, 122, 225
2.31 holds 130, 19, 215 ... did this already for 2.22 and 2.31 !!)
In ... numbers in the FP notation inside a BASIC line p.e. 10 ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... have a look at a diagram of the four diodes inside a bridge rectifier ... resistance range, actually have a different polarity on their meter ...
To test a diode, switch to a suitable resistance range (depending ... move about 1/3 to 2/3 across (the exact ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... the leads and plastic inside is now looking "a bit" ridiculous . Opus ... in the case.
2) "The compression of plastic" cabling ... this mounting point inside the case but on a much smaller ... ,along with the 2 drives to a position outside the case ...video quality issue on 48k machine after composite modHello! I just bought an 48k spectrum and did the composite mod. Unfortunately it did not end up as good as i hoped for. The screen after reset looks …
... thing to do to service a ZX Spectrum 16k, 48k, ... toast rack, or grey +2, is renew ALL the electrolytic ... +3 as these use a different power supply system.
a lot for components that have ... at room temperature but inside a ZX Spectrum it is ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... improves air flow and ventilation inside the case.
... source (the regulator) from inside a minimally ventilated case , to ... 1) Increase of footprint
2) Loss of originality and authenticity ... so Drive 1 becomes Drive 2.
So ...Fixed point math lib?Is there a liberally licensed fixed point math lib for z80 somewhere? When searching, I expected to find a bunch of GPL'd ones and perhaps one or two…
... that a x b=[(c+e)^2-(c-e)^2]/4< ... 128 when unsigned
;******************************************************
mult_e_c_fast
xor a
ld d,a ... ;hl holds (c+e)^2-(c-e)^2
srl ... +e)^2-(c-e)^2]/4
ld a,(sign)
Spectrum USB KeyboardI know you can buy these but how do you make one . What I am thinking of be similar to the type described in Issue 1352 of Micro Mart at page 45 .The…
... 2 parts 1) a large envelope with the membrane inside 2) there was also a ... padded bag attached with the pcb inside and a ... keyboard and the same with a Raspberry PI included.
... I have made a decision . And I have a Spectrum + ...Not bored with the Boards.Going through some old tapes stored rather badly I came across an unlikely item that that I must have stored away quickly with other low grade items …
... " recipe" for a "not very original" Issue 2 48k Spectrum:-
1) Buy 1 Issue 2 motherboard "said to be working" on ... ?!)
5 ) Buy a new membrane for about £11 ... definitely a cheaper way of getting a "not completely authentic" Issue 2 ...Text scroller and custom fontYesterday I was testing this text scroll routine taken from Jonathan Cauldwell's Intro Maker (labels have been inserted to allow partial code relocab…
... A
AND 003 ; get the wrap round bits ( originally the 128 ... +64+32 now 4+2+1)
ADD A,060 ... the high byte
LD A,B ; now lets figure ... /> [/code]
[code]
LD A,(PUNTO_A) ; this block of code ...slightly different question - how long ago did you pack away the speccy ?if at all ;) personally I think I was about 19 when it, and all the games, went into storage - SNES and PCs etc took over. I'm 32 now, and only in …
... -ish, I'd inherited a bunch of my mates' ... final hoard stood at 2 Grey +2s, a +2A, a +3 and my ... actually started playing the 128 games quite a lot around '93 / ...
I still have a bit of a play on the old ... site I sometimes find a classic that I missed ...128K programmingDoes anyone know any good resources on assembly programming for the 128? All I'm after is an "idiot's-getting-started-guide" on how to utilise the…
... we're running on a 128.
; Write a byte first to bank ... same here now for banks 2 and 7
ld ... ; minus the bits in bank 2 where there
ld bc ... to the top of bank 2 now
ld ...Help! I'm learning Machine Code...Having decided to take the plunge and learn to machine code a while ago, I have started in earnest using the much recommended 'Mastering Machine Code…
... :
[code]
ld a,(hl)
(some logical, arithmetic ... /> [/code]And put that inside a loop which cycles HL through ... you spend most time in a debugger single-stepping Z80 ... etc @ each point between 2 Z80 instructions. Especially at points ...Opus Discovery "the big switch on" (after 20 years)I have a few of these Opus Discovery's with different Eproms in that have not been swiched for 15-20 years or so . I am in no rush to switch any on …
... great because it is now a bit unusual to find as ... my Opuses there are really 2 stages to remembering how it ... before that later time , to a period before any "user modifications ... plate to gain access to a PCB inside a case that needed repairs ...
