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IN Port FE bit 6 confusionI know I've got this wrong. Tapes load fine but it all feels messy. Currently my emulator does this: Sets bit 6 of the result to 0. If (and only if…
... FAQ mentions something about OUT FE affected bit 6, is this ... -
Writing to MIC portSo I had a new crazy idea: How about a stereo beeper engine? Since we can set bit 3 on port $fe to output to MIC, writing such an engine should be ra…
... can set bit 3 on port $fe to output to MIC, writing ... -
BASin Release 11 out nowBASin has been updated once again, for your BASIC programming pleasure! Get it at: [url="http://homepage.ntlworld.com/paul.dunn4/BASin_r11.exe"]htt…
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Added - Sound! Beeper/Port $FE Sampling only atm. (Everyone seemed ... -
ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
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Full BEEPER sound and port $FE emulation for sound
All ... , with flashload style streaming to port $FE for complete compatibility
ANNOUNCE: BASin Release 12 ready for downloadWell, after a rather large break, BASin's latest incarnation is ready for public use. Probably. BASin is a Sinclair Spectrum development environme…
...
Full BEEPER sound and port $FE emulation for sound
All ... , with flashload style streaming to port $FE for complete compatibility
Final Shoque Graphics Competition entriesHi everyone ! If you like good looking Spectrum art then you REALLY shouldn't miss this... I just did a .TAP version of the Final Shoque Visual Comp…
... : for some reason Spectaculator feeds port $FE even after loading a block ...Keyboard Issues When Setting Border ColourWelcome to the next in my series of inane 'Z80 on the Spectrum' questions! ;) Here's a minimal snippet of code for polling the keyboard until any ke…
... A,0
IN A,($FE)
CPL
OR A ... /> LD A,0
OUT ($FE),A[/CODE]
Both ... /> LD A,0
OUT ($FE),A
NOKEY: LD ... A,0
IN A,($FE)
CPL
OR A ... />
I can see that port $FE is being used in both ...Velesoft's ZX128+2 with 1.5MB memoryMy old ZX128+2 PROFI (grey model - spanish version) for sale here: [url]http://aukro.cz/super-zx-spectrum-128-2-1-5-mb-i2738723874.html[/url] Back s…
... CPU only in access to port #FE or in first 8kB in ...ZX Evolution -- contended memory and raster emulationFresh bleeding update for [url=http://www.nedopc.com/zxevo/zxevo_eng.php]ZX Evolution[/url] [url=https://code.google.com/p/pentevo/source/list]Baseco…
... />
3. There is no port FF currently. I'm not ... is still 'redundant' (means port #FE is decoded with full low ... . Yet some hacks added for port #7FFC to work correctly.
WANTED: tape replacement for +2?Any tape replacement possible for a +2? My +2 works wonderfully but the incorporated datacorder is simply worn out and won't load ANYTHING. Dirty sig…
Bit 6 of IN-port FE is the ear input bit ... 4 of an OUT to port #FE will affect bit 6 as ... read by an IN from port FE. The difference between Issue 2 ... of high output level on port 254:
ORG ... as read by INning from port #FE are always one. The ULA ...Anyone got a copy of 'Z80 for primates'?This Z80 lark isnt easy, in fact it makes me feel very much like Washoe the chimp trying to learn learn sign language, I just dont think I've got the…
... /> The beeper is controlled by port FE, I forget precisely which bits ...Speccy machine code info where is it?Recently I've been trying to learn Z80 and I've managed to make limited progress (some of my routines even compile now!) but I seem to be having trou…
... is attached to i/o port $fe (254). The keys are arranged ... bits during a 16-bit port read identifies which row you ... #7 active
in a,($fe) ; read keyboard
; a = status ... to read a 16 bit port address is to put it ...Who want to remake Double Dragon?Seeing as the Speccy version was crap (see my review: [url="http://www.gamestyle.net/retro.php?article=31"]http://www.gamestyle.net/retro.php?article…
... two beeper bits sent to port FE.
Beeper effects are ...ZX81 and ZX80 emulator on Spectrum 128KA couple of weeks ago we were talking about a new ZX81 emulator for the 128K. Someone beat me. More details at [url="http://www.fruitcake.plus.com/S…
... to stream the output to port $FE and thereby create trappable saving ...Loading programs directly via SoundblasterLet's just hope this does not sound too silly (I'm a newcomer)... Is is possible to connect a real Spectrum's MIC port to the audio out port of a Sou…
... EAR is the audio out port.
[/quote]
... ROM reads bit 6 of port #FE when loading, which it ... find wired to the EAR port. All documentation I've ... read refers to the EAR port, the 48k Manual also ... load from (in the EAR port) and got a right ...Loading programs directly via SoundblasterLet's just hope this does not sound too silly (I'm a newcomer)... Is is possible to connect a real Spectrum's MIC port to the audio out port of a Sou…
... over to bit 6 of port #fe - but don't forget that ... 't forget that the MIC port was never meant to have ...basil the great mouse detectivehello i have a small problem with this game.when i have completed level 1,spectaculator 6.0 tries to find level 2.it find it,but it does not load it…
... that the EAR bit on port $FE can be either 0 or ...basil the great mouse detectivehello i have a small problem with this game.when i have completed level 1,spectaculator 6.0 tries to find level 2.it find it,but it does not load it…
... that the EAR bit on port $FE can be either 0 or ...Emulation accuracy and how it affects softwareHi folks. I was thinking of bodging together a rudimentary Spectrum emulator myself, not as a competitor to the other emulators, but as an integrate…
... is due to the port 0xff values being different ... it's not port $ff though as port $ff is most ... />
Apologies, I meant port $fe not $ff. This difference really ... contain attribute values ala reading port $ff on the Speccy. ... 5&7 of $fe being reset. I can ...Finishing my Ragnar game...Hi all, Way back then, in my youth, I worked on a game for the Speccy called "Ragnar", which was a 3d isometric style mcoded game written from scrat…
... a lot.
Beeper - change port FE a lot.
[quote ...Finishing my Ragnar game...Hi all, Way back then, in my youth, I worked on a game for the Speccy called "Ragnar", which was a 3d isometric style mcoded game written from scrat…
SPIN betaHello. This is my first message in this Forum, so excuse my bad english as it is not my main language. I would be extremely grateful if somebody cou…
... spectrums, which affects the ULA port ($FE) which is used to read ...Spectrum programmingI have a Spectrum+ at home. I tried to write some programs in BASIC (IIRC i wrote a breakout clone in which you had to hit those spider-like characte…
... used?[/quote]
Via port FE, I cannot recall the precise ...Setting the borderCan someone tell me best way to set the border to a given colour using machine code. Its there an operating system call or can I load up a memory loc…
Bits 0-2 on port FE are the border output IIRC. Hence:
LD A,color
OUT (FE),AIN Port FE bit 6 confusionI know I've got this wrong. Tapes load fine but it all feels messy. Currently my emulator does this: Sets bit 6 of the result to 0. If (and only if…
... ?
You are treating all port reads with bit 0 as ... if they're reading from port FE?
My emulator doesn ...IN Port FE bit 6 confusionI know I've got this wrong. Tapes load fine but it all feels messy. Currently my emulator does this: Sets bit 6 of the result to 0. If (and only if…
... /> You are treating all port reads with bit 0 as ... if they're reading from port FE?
[/quote]
... only make this check for port FE.
Well, the ... ,+7F read from port +7FFE
IN A,(+FE) i.e. ... is an IN from FE no matter what the ...Investronica Inves Spectrum +Hi, Has anyone here ever heard of the Investronica Inves Spectrum +? This site [url="http://www.silicium.org/uk/sinclair/inves.htm"]http://www.sili…
... a mask applied to ULA port #FE, so if you write a ... any value outputted to the port. The ULA may also mix ...Weird loaders; 1) Why? 2) How? (Curiosity question)Hello again. Sorry to be asking/posting so much today, but I've just arrived here and am plumbing the depths of nearly 22 years of making cups of te…
... account of the contention on 'port #fe'? If not, why do we ...
