-
How to read AY Registers from M/C?Gentlemen, I will appreciate if you can provide me some details on this, as I could not find info in other sources. I would like to know if it's pos…
... possible, and how, to read AY-Registers like the mixer. I ... /> OUT (C),D
LD BC,aydata
IN A,(C)
but A ... -
Simple AY library in z88dk/CI was interested to see if I could make the 128k AY chip work, and as there wasn't any library on it, I just made one for fun. It's certainly not th…
... out (c), h
ld b, 191
out (c), ... />
Also a demo program (note there ... ]
////////////////////////////////
// //
// AY-lib Demo //
// //
// ... -
Sound mod for AY audio chipsHi again. This is a repost. I posted it in the misc forum a while back but it definitely should be in here. I was totally pissed off with the crap…
... to sort that out.
Its a passive mixer and ... on any machine with an AY audio chip. It amplifies ... the weak signal coming from AY chip upto the levels ... The audio output is channel A+C on the left side and ... B+C on the right side. ... -
"Floating" AY registersWhile I was working on some AY sample-related stuff, it occurred to me that with the AY port not being completely decoded, it would be a handy CPU-ti…
... LD BC,0xf8fd / OUT (C),B to select AY register 8... provided ... above 0x0f puts the AY into a state where any ... 4-bit code by a special order factory mask ... are programmed to recognise only a 0000 code.[/quote]
... a few runs of 'doped' AY chips, that'd be a ... -
Most touching AY music on a Speccy?Speccy music composers have shown us that the the AY chip can do much more than it originally was meant for. There are many tunes that I like and adm…
... many different types of good AY stuff out there, but after so ... digitised samples or a combination of samples and "standard" AY music? Someone ... " and "Batman Begins" use a similar style in several of ... their score tracks, a style Gasman once referred to ... -
AY capabilities in a new ZX programHi. Finally in a ZX Spectrum version - "ASTRAL COMBAT". Download: [url]http://hooyprogram.republika.pl/astral_combat.zip[/url] it's a 3-parts mus…
... .
Finally in a ZX Spectrum version - "ASTRAL COMBAT". ...
Well, some example of AY chip possibilities.
[b]Works ... on ZX Spectrum 48K with AY-interface.[/b]
It ... />
Keys:
A - AY
B - beeper
C - COVOX
M ... -
A doubt about IN and OUTIN (and OUT) can use bc to define a 16 bit port to be read or write, when used as in r,(c) or out (c),r. Also, if you use in a,(n) or out (n),a yo…
IN (and OUT) can use bc to define a 16 bit port ... , when used as in r,(c) or out (c),r.
... Also, if you use in a,(n) or out ... (n),a you use that ... read or write. The question (a dumb one) is... what ... -
No AY sound from online emulatorsI've writing an app that makes sound using the AY. I have a simple update mechanism that works like this: 1. During a frame, I write values to a b…
... makes sound using the AY. I have a simple update mechanism ... mirrors the AY eegister layout (ay_regs)
2. Once a frame, ... copy that to the actual AY registers (do_update_ay ... ld b,HIGH(AYDATA)
out (c),e
inc hl
A great ROMBack in the early 90s my ZX clone (called "Cobra" if anyone's interested) had a sort of a "SamRam" (actually an alternate ROM accessed via a NMI) tha…
... anyone's interested) had a sort of a "SamRam" (actually an ... ROM accessed via a NMI) that displayed a menu featuring a nicely drawn ... v3.2" and, further down, "(C) 1988 by DIPO'S". This ... of Spec-chums are missing out on a great assembler/monitor package ....AY - how to create themI wonder - how would I go about creating an .AY file (music) from a game? I understand that once I have all the necessary pieces (the player, the mus…
... about creating an .AY file (music) from a game? I understand ... would just combine them with AY Maker. But how would ... br /> But isn't there a simpler way? I would imagine ... all, done with an OUT to a single port, the play ... e.g., break on OUT to 254, then cross- ...4 pin TV out on a laptop questionI've got an old P3 866Mhz laptop that has a 4 pin TV out socket. I'd like to use this with my 14" TV running a Speccy emulator, but I remember being …
... 866Mhz laptop that has a 4 pin TV out socket. I'd ... with my 14" TV running a Speccy emulator, but I ... being told some guff by a guy in maplin that ... the connections would not give a colour picture if you had ... one standard 4 pin TV out socket on laptops, or is ...Small C on Sam help neededI'm trying to make good on some of my old developments that fell by the wayside and one of them uses Small C. The reason I stopped was down to not h…
... one of them uses Small C.
The reason I ... was down to not having a good way of loading data ... a Sam-C a-like layer for gcc/SDL on Linux to try out ... is no fopen in Small C.
Can anyone advise ...Regarding AY sound on a +2Well, it is my turn to pop up a question regarding some strange behavior of a +2. Although it outputs the sound of keyboard clicking (1 channel, 5 o…
... turn to pop up a question regarding some strange ... behavior of a +2.
... other sound channels produced by AY are absent. Any ideas ... about this? Is the AY dead?
... the +2 to drive a pair of external speakers. ...Midi out on a ZX SpectrumYears ago (may be over 15 years...) I soldered a small adapter that lets a keyboard or synthesizer connect to the ZX Spectrum 128K's midi/RS232 port.…
... I soldered a small adapter that lets a keyboard or ... br /> So I got it out of my large box of ... , it's soldered again in a minute, but...
Out when controlling a midi device.
a cable without extra parts that connects the Midi Out ...PoC for a ULA video generator described using Handel-C and a Basys FPGA board.Recently, I've taken a course about hardware design for video processing using FPGA's. The HDL used in the course was Handel-C, a C look alike langua…
... in the course was Handel-C, a C look alike language which ... work for producing a bitstream compatible with a Basys board from ... 0). Then, a timed loop (with a delay of 32768 clocks ... For comparison purposes, a BASIC program running in a emulated Spectrum using ...A fast DRAW routineI was investigating how to speed up the line drawing for the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=20225"]BASIC compiler[/URL]…
... ROMs (needs to be worked out). Call it with H,L ... />
ld a, (P_FLAG)
ld c, a
bit 2, a ; Test for ... a
sub c
ld e, a
sbc a, a
ld d, a ...Kwik Snax AY FileHi All does anyone have an AY file for the Kwik Snax music or is this denied like the game itself? If not does anyone have the knowledge to rip the…
... />
does anyone have an AY file for the Kwik Snax ... the knowledge to rip the AY out of the game? I'd ... the soundtrack as backing for a song i'm writing.A 30th Anniversary ProjectHappy new year (belatedly...) So with the 30th anniversary approaching, I've decided to do a hardware project to celebrate it. Something hands-on (o…
... In my design, it controls a VCO (voltage controlled oscillator) ... to drive the AY chip in a 128K machine or ... comprises of two counters plus a "direct" interface. This ... Next I have to test out the CPLD design with real ... out what needs to be done to program an AY ...A z88dk + sp1 demo (with source)Since nowadays people are still wondering about how difficult it is to make something in z88dk, I thought I just put a very simple demo to show how e…
... URL] by Arjun. Note: maybe out of date.)
a sprite routine, a joystick handler and ... used to make a game.
(C) 2012 Timmy ... />
****************************************/
// C and SP1 code libraries are ...Problems with stereo kit for AYSomeone has bought a stereo kit from me to add to his 128K ZX Spectrum. Problem however is that one of the channels is a less loud than the other tw…
... of the channels is a less loud than the ... br /> I sent him a second kit, but it gave ... result.
We rules out about everything:
- Used ... /> I suspect the AY chip to have a problem, but the ... it still be the AY chip having a problem?
...Using R as a loop counterThis is just something silly I've found a while back. xD [b][How-to][/b] Setup your routine like this:[code] ld a,X ;see below ld r,a loop ;your …
... bc,#0405 ;b=LoopN, c=Rinc
ld a,#FE
.l1 ... nz,.l2
ld a,b
out (#FE),a
ei
c:
-not suitable for ... wondered, yes, it's possible. c:
Hope you enjoyed, and ...Adding a pause key to ArkanoidHaving rediscovered the simple pleasure of playing 1980s games on genuine 1980s hardware, I've also remembered that emulation can provide a feature m…
... P (bit 0)
in a,(c) ; read it
rra ...
ld a,c
cpl
ld c,a
and ... 0
or 8
out (0xfe),a
Can a guy that traveled on the short bus learn machine code...Hmmm So after some soul searching I figured it was time to finaly nail spectrum machine code. Its so frustrating to sit infront of a basic listing w…
... />
Time to find out...
Register A:
[code]
out whats going on. Barring that ... later...
It turns out my reading comprehension skills are ... C,A
48 = LD C,B
49 = LD C,C
4A = LD C ...Autoloading bin2tap out there?Hello, my will for coming out with a game of my own seems back somehow, so I've been setting up my developing environment *again* on my new PC. Afte…
... my will for coming out with a game of my own ... test code written in C, but I can't ... the last two build a .tap out of the .bin, ... /> Have some of you a working and autoloading bin2tap compatible ... with a modern windows? Any workaround ...Playing AY music on the SpeccyCan anyone help with playing AY ripped music on the Speccy? So, let's say I want to play some ripped AY music, such as: [url]ftp://ftp.worldofspect…
Can anyone help with playing AY ripped music on the ... pub/sinclair/music/ay/games/t/Trantor-TheLastStormtrooper.ay.zip[/url]
I gather the AY format is a compilation of both code ... /> Author=David Whittaker
Misc=(c) 1987 Probe
FirstSong=0 ...Some Graphic Coding & Audio help.Hello my fellow WoS'ers I am in the process of writing some code for graphical purposes - I have Z88DK raring to go but I do not know how to take…
... there is such a link or friendly coder out there (C is preferred ... / experiment with AY-Synth - with a view to porting these AY-Mods, if ... /> I am attempting to write a small graphical adventure game for ... goal, perhaps only using C as a wrapper for the ASM in ...Composing AY music on a macAny recommendations for OS X tracker software that can be used for cross-platform AY-3-8910 music composing? One that can playback the music realisti…
... be used for cross-platform AY-3-8910 music composing? One ... can export in a format compatible with a Spectrum AY playback routine.
I have a little familiarity with Cubase and ... world of trackers or used a mac much, so I'm ...[Asm] Is this nested loop faster than LDIR or a bunch of unrolled LDI's?Hi all. I'm learning Z80 asm on Speccy 48K, and to start with I decided to write my own "CLS" routine (without relying on ROM calls or LDIR) as a lea…
... system variable 'BORDCR'.
out (ULA_PORT),a ; Change border color. ... loop iteration.
dec c ; Move up to the ... ,cls_attributes_loop ; Keep looping until c = 0. Faster than jump ... ,cls_screen_loop ; Keep looping until c = 0. Faster than jump ...Why not more interest in C?Just curious. Not trying to provoke anything other than a discussion here. It would seem that it would be better for "Z80 beginners" to write in C…
... to provoke anything other than a discussion here.
... beginners" to write in C then have a look at the list ... fast assembler.' Turned out they compiled from C then were tweaking the ... giveaways that some assembler came out of a C compiler of the time ...Why not more interest in C?Just curious. Not trying to provoke anything other than a discussion here. It would seem that it would be better for "Z80 beginners" to write in C…
... to provoke anything other than a discussion here.
... beginners" to write in C then have a look at the list ... fast assembler.' Turned out they compiled from C then were tweaking the ... giveaways that some assembler came out of a C compiler of the time ...
