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Next step in MIDI to AY conversionI e-mailed the author of MID2AY with a few questions. While I wait for a reply, I would like to expose my ideas. There should be a better way to conv…
... many information that makes the conversion harder. The converter would do ... I think would make the conversion easier:
-Each instrument ... converter should have the following basic options:
-Mute on ... -
oh my the old days :)programming on the speccy again here is a routine i remember of the top of my head to load screens or code without a header wow 5 Clear 27999 : Re…
...
0 = high byte
64 = low byte
for ...
0 = high byte
27 = low byte
for ... *256 = 6912 (This is the basic length of screen$)
Best way to store vector images in Sinclair BASIC?Let's forget for a moment that Sinclair BASIC is slow. If I have a picture made entirely of vector images, what would be the best way to store that d…
... for a moment that Sinclair BASIC is slow. If I have ... ]y[/I] would be the coordinates for PLOT, and [I]a ... thought of using non-existing coordinates to determine different things. If ... ways to do this in BASIC.
And I'm ...?8912 or 8912A?Hi! I've just changed a defective AY-3-8912A in a +3. Tried a spare 8912 from my "Vectrex spare box", and seemed to work ok: from +3 BASIC I played a…
... to work ok: from +3 BASIC I played a scale without ... could hear, high pitch notes were bad played, while low pich notes ...Very basicI found the wos site a few months ago when searching for solutions to my broken spectrum, that i had dug out of storage and was learning basic on. Si…
... of storage and was learning basic on. Since receiving advice on ... download zx spin and learn basic using an emulator instead. Unfortunatley ... on the task of learning basic.I plan to post updates ... to program a basic game from scratch to as high a standard ...48K BASIC to ZX81 BASIC conversion possible?Looking for an automated way of converting a BASIC program done on a 48K Spectrum to one for the ZX81. It's obvious that some things cannot be done o…
Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... working knowledge of ZX Spectrum basic, and the ZX Spin emulator ... before returning to BASIC
;return score to BASIC
Copy and ... (H is for High byte, L is for Low byte)
Any ... machine code function called from basic will ...Odd keyboard behaviour due to a single bit failure in +3 ROMI've just fixed a spanish +3, which, among normal issues (drive belt missing), presented a very strange one: the keyboard autorrepeated without a del…
... happened either in +3 BASIC and 48K BASIC. Even the +3 initial ... quickly.
A tiny BASIC program to show the contents ... address 4312h was low when it had to be high.
Making BASIC occupy less RAM?I risk being told to search the forums and the entire archive of type-ins, but here it goes... Is there any known utility to do all the hard work of…
... would load a BASIC listing in high RAM, and then ... a routine in BASIC (yeah ... the modifications in BASIC, fix the BASIC header using ... routine to save the modified BASIC listing.
BASIC listings that use ...Midi Out from machine codeI need to send midi-signals by machine code, while Basic is too slow for my current project. I already read I can use hookcode #11E, but I have some …
... by machine code, while Basic is too slow for my ... 4 is now the low bit of the ROM ... Bit 2: In normal mode, high bit of ROM selection. The ... +3DOS
ROM 3: 48 BASIC
Bit 3: Disk motor ... I'm using 48K Basic together with an interrupt routine ...ISO ROM 128 with TR-DOS 5.05(cz)This is new correct version of ISO ROM for ZX + BETADISK. Some extra basic command is designed specially for use in conmination with TR-DOS 5.05(cz).…
... !LOAD "filename" (load basic file "filename")
!GOTO ... registers ...)
= (show basic info - ramtop, used memory ... (show 16bit value as low byte + high byte - "2,1" ... - return to basic (if basic variables is bad ...Unofficial conversion of Pooyan?[URL=http://imageshack.us/photo/my-images/27/poyans.png/][IMG]http://img27.imageshack.us/img27/7686/poyans.th.png[/IMG][/URL] This appeared in late …
... an unofficial [i]Pooyan[/i] conversion. It is faithful to the ... it will load under 48K BASIC.
The TZX file ...checking bits in BASICThe question of manipulating bit patterns in BASIC was raised recently in this [thread=35728]Keys redefine routine and key check[/thread] thread. I s…
... of manipulating bit patterns in BASIC was raised recently in ... for ease of handling from BASIC, with a little loop ... strings in BASIC for bit manipulation, but the conversion routine does ... support that as well with its binary conversion ...Requesting a little help to identify the purpose of this 'add-on' to my Issue 2Hi everyone First of all it's my first post here so please go easy on me! I'm grateful to be accepted into your fine little club :smile: I probabl…
... , namely that holding this line high (i.e.+5V) will stop ... when just playing around in basic but if I try to ... through and then makes a low beep (like a groaning noise ...Difficult to find upper RAM fault.I've recently repaired an issue 3B 48K Spectrum that had a tricky to diagnose upper RAM fault, so I thought I'd post a report of what I found here. …
... every case. I even left BASIC programs running for a whole ... all possible RAM addresses, from high to low, writing the decimal value ... initialise the rest of the BASIC environment.
Given ... any fault by testing from BASIC.
I resorted ...Spectrum Emulator that supports low resolutions and runs smoothlyHello to All, I have been trying to find a spectrum emulator that will work well through my CRT TV (using RGB to Scart) Most emulators seem to supp…
... should be 320 with 256 high, not 240
I ... job and support full overscan low resolution like 352x288, are ZXSpin ... that supports custom / native spectrum low resolutions and also runs smoothly ...ZXDev - powerful environment for development in four languages is ready for testingXDev/ZXDev is open and free set of compilers, additional tools, libraries and design patterns for target platform ZX Spectrum 48K in different progra…
... language Oberon is a high-level, strongly-typed language ... and unconditional alternative in low-level assembly language coding. ... CPU Z80, develop high-level interfaces of libraries ... ]MODULE TinyHello; IMPORT Basic;
BEGIN Basic.PRSTR("Hello World") END ...smooth movement in basicWas trying to figure this out myself but i would like to be pointed in right direction now :-). How do I make something move in Basic without gettin…
... I make something move in Basic without getting flicker. 1st i ... any udg over 8 pixels high or wide (eg 16x16) becomes ... split second.
My sinclair basic knowledge is VERY limited but ... try make some games in basic 1st.+3 BASIC DOS_DemoI got side-tracked while working on the Op.Wolf conversion and ended up writing this +3 DOS utility which provides most of the disk functions that mi…
... working on the Op.Wolf conversion and ended up writing this ... but which don't have BASIC commands for them.
[center ...PlusD Mini: implementing the CPLDI am doing my first attempts on creating a CPLD to use as replacement for the PlusD's GAL (and other logic lateron). I use the Xilinx XC9500XL series…
... 231(making zxrom low will make f17 go high)
assign zxrom ... used as source for the conversion:
[CODE]chip ALICE ... ,102 (making f17 low will make zxrom go high)
/f17 = mreq ... 231(making zxrom low will make f17 go high)
/zxrom = ...SE Basic IV 4.1 Buffy previewSE Basic IV 4.0 Anya was released back in December 2012. You can read about it here: [url]http://cheveron.github.io/sebasic4/[/url] But here's some …
... />
* A fork of OpenSE BASIC.
* Supplied with FUSE (> ... Anya (v4.0) retains a high level of compatibility but moves ... language closer to the Minimal BASIC 78 standard. It still ... of the characteristics of OpenSE BASIC.
While Anya ...SE BasicAfter 13 years of development I thought I'd run out of things to optimize, but it turns out I was wrong. However, I'm now running out of time to work…
... is at an all time low. I will put out v4 ... way you can use the high res features like 80 column ...Scrolling Bi-Colour Engine for 4-Player GamesJust putting this code up for people to have a look at. Far from finished. Should simply compile and run a bit of a demo. Only good for 128K and +…
... block pattern (by default) for low-res colour blocks and
;No return to BASIC
;------------------
never_end
ld ... ,h ;for want of a high number
ld hl ...1st interface in 30 years (update)Hi all, Just a wee update to my "1st ZX interface in 30 years" project. Main IC's: 82C55 three 8-bit port I/O (configured for 12 dig in, 12 dig out…
... to code it entirely in BASIC.
The basics of ... this is where coding in BASIC is starting to be a ... is easy):-
byte low = VALTOSEND & 0xFF; // Take ... lowest 8 bits.
byte high = VALTOSEND >> 8; // ...Better arrangement for video memory?While doing some documentation work for the ZX-Uno project, I compared the advantages of the weird layout of the ZX Spectrum against a linear layout.…
... reordering the bits of both coordinates.
To the software ... same. Instead of incrementing the high byte of the display memory ... address, we increment the low byte:
[code]; ... address from the X,Y coordinates to be shorter and faster ...SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…
...
SCREEN$ - as from Sinclair BASIC, identifies characters at an x ... /> CURVE now optionally takes three coordinates (as opposed to just two ... /> The IN operator was too high a priority, rendering 2+1 ...Scrolling in BASICI remember a few BASIC typeins for other machines that claimed to be scrolling the screen. Obviously vertically its not too difficult - once you dis…
I remember a few BASIC typeins for other machines that ... written in BASIC) on the Apple II, and despite being low res ... this could be done in BASIC on the Spectrum using Arrays ...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…
... year I started writing a BASIC program for making and ... could help me fix the BASIC program, I'd be ... />
[b][u][u]BASIC listing:[/u][/u][/b]
high-res
1255 REM ...Empire - port of trs80 basic programBack when I was a little kid, I had the opportunity to play around with a trs80 model 1 with level 2 basic. One of the games I often played was call…
... I came across the full basic source and decided to port ... it over in C. Basic being basic, there's a lot ... real machine.
Original basic source: http://willus.com/trs80 ... lots of money,
overly high taxes tend to stifle industrial ...ZXSCLZF - Yet another Screen CompressorQuick disclaimer before I continue, this compressor does not shrink screens as small as some of the others posted here, in particular the very good z…
... (pos.r[1]>=24) { // high byte >=24 or in ... ,(hl) ; 4t - get screen start low byte
ld h,a ... "
;;
;; code for pasmo basic
END $c000
;;
