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The Goldfinch updates thread([url=http://www.worldofspectrum.org/forums/showthread.php?t=25034]original announcement thread here[/url] - I figured it was worth starting a new to…
... ) ;set divide ram 0 + reset low/high (*)
ABC DEC BC ;Delay ... -
DivIDEo - streaming video on the DivIDEThis has been a bit of a personal holy grail for years and years, so I'm very pleased to announce the release of DivIDEo, my streaming video system f…
... the latch for alternating between low/high bytes of 16-bit words ... -
So you need to double (or triple, or quadruple) the clock speed...No particular reason for posting this, other than I was looking at an eZ80 evaluation board that does this, and that jogged my memory of a project I'…
... Z80 datasheets say you need low & high very close to supply ... -
So you need to double (or triple, or quadruple) the clock speed...No particular reason for posting this, other than I was looking at an eZ80 evaluation board that does this, and that jogged my memory of a project I'…
... voltage input high enough impedance not to load down the low pass ... good enough (especially considering the low pass filter has a TTL ... well before IORQ goes back high.
[quote]
... Z80 datasheets say you need low & high very close to supply ... -
SZX Beta 128 (aka TRDOS) block questionHello, I have a question or two regarding the Beta 128 (aka TRDOS) block of SZX. Hopefully someone (Jon, Philip) will help me. What is supposed to …
... you implement FDC reset on high-low-high transition of the system register ... -
DivIDE circuit/logic specsIs the hardware of the DivIDE documented, particularly the contents of the GAL/PAL chips? I'm looking to write a VHDL implementation of it. So far I…
... kB roms use compatible 48 basic, but first 16kB with 128 ... ZX rom type in low 16kB. If 48 basic is set then ... -
Help with custom loader neededAs people here became active recently about MakeTzx and tzx format in general, I have thought that I would post it here. I have some .wav recordings…
... ROM routine uses 945 T high tail pulse for this purpose ... .20s.
Set signal level low/high ?
I have to admit ... it be that 0 = low and 945 = high or inverse ? Is that ... the equivalent of a high/low block. I should convert some ... -
writing an emulator-newbie needs helpHi, this is my first post here. I decided to write a minimalistic emulator of ZX Spectrum-no emulation of advanced peripherals, no emulation of sound…
... />
4. .sna files = Low High.
.z80 = Low High.
AF is treated ... is why it's High Low.
IX and IY are both Low High. -
Worst Deal of the DayI am on the lookout for a new laptop at the moment and came across this. [url]http://www.crescentelectronics.co.uk/node/285464[/url] Now either the…
... -of-stock items at ridiculously low/high prices. -
Worst Deal of the DayI am on the lookout for a new laptop at the moment and came across this. [url]http://www.crescentelectronics.co.uk/node/285464[/url] Now either the…
... -of-stock items at ridiculously low/high prices.[/QUOTE]
I ... -
Can Anyone Recommend a Decent Cheap Freeview HD RecorderIve been meaning to buy one for my Dad as he is still using VHS which did the job but now that the analogue TV signal has been switched off he cant t…
... /Show+all/s/Price%3A+Low+-+High.htm[/url]
[url ... -
How to start a new game?I know this might sound really stupid... but I've always wanted to make a spectrum game, but no zero of programing... is there any "making speccy gam…
... recommend starting with something high level like BASIC. You can then more ... -
Faster CLS...Hi Folks, Looking at the CLS command in the Spectrum ROM disassembly it seems rather complex. Does anyone know of a simpler/quicker routine that wi…
[QUOTE=Paddy Coleman;596779]
[COLOR="Red"]?? ld (sp_save+1),sp[/COLOR]
I do not know what hex values to use for the line in red though. Can you please advise?
[/QUOTE]
ED 73 [low] [high] -
New WIP from Kabuto Factory: A.R.C.O.S.Hi everybody! After a long time in silence (...you know, life and its commitments...), we're coming back with new WIP for Speccy: A.R.C.O.S., a new …
... playability is rather low.
This is compiled Basic, am I ... -
BUG in zxspin and SpecEmu - read Loading speed in WAV fileI'm created a new save, but it can run at 44.1 KHz, to test it, i make a new file from WAV 44.1 KHz to 88.2 KHz. Load this file in a emulator zx-spin…
... . It paint a complete wave low and high
The original ... -instruction:
the runtime, capture low, high pulse, and start to print ... when level go from high to low. then Start to prin ... -
about 10 Great Games IIHi all :) we talking this time for ... [url]http://www.worldofspectrum.org/infoseekid.cgi?id=0011441[/url] :) [url]https://www.dropbox.com/s/k9uk9…
... behave different when a low/high pulse block is encountered ... their two sync pulses have "high,low" polarity, so, for ... be forced to be high. Please tell me if ... loads Basil OK when high pulse blocks are inserted ... loads it when using low pulse set blocks instead ... -
[Update] Lone Wolf - The Mirror of Death - AudiogenicHi folks, I know we already have a TZX of this, but I can't help feeling that it needs it's blocks deconstructed into Pilot/Sync/Date blocks/pulses …
... double pulses can be a high-low polarity, and think too a ... short low pulse is starting each sub ... , only to force this. This low pulse is the first can ... test this by setting a low/high pulse block before the first ... -
[Update] Lone Wolf - The Mirror of Death - AudiogenicHi folks, I know we already have a TZX of this, but I can't help feeling that it needs it's blocks deconstructed into Pilot/Sync/Date blocks/pulses …
... double pulses can be a high-low polarity, and think too a ... short low pulse is starting each sub ... , only to force this. This low pulse is the first can ... test this by setting a low/high pulse block before the first ... -
[Update] Lone Wolf - The Mirror of Death - AudiogenicHi folks, I know we already have a TZX of this, but I can't help feeling that it needs it's blocks deconstructed into Pilot/Sync/Date blocks/pulses …
... block, I guess and the "low" value assigned at the end ... /> This document refers to 'high' and 'low' pulse levels. Whether this is ... have a unique value for 'low' / 'high'. Is implementation dependent, I fear ... -
[Update] Lone Wolf - The Mirror of Death - AudiogenicHi folks, I know we already have a TZX of this, but I can't help feeling that it needs it's blocks deconstructed into Pilot/Sync/Date blocks/pulses …
... a pause should be low or high is simply a 50 ... /> This document refers to 'high' and 'low' pulse levels. Whether this is ... have a unique value for 'low' / 'high'. Is implementation dependent, I fear ... level to the specified value (high or low). It should be used ... -
Adding TAP file contents to a Spectrum +3e DOS PartitionHello my fellow WoS'ers, This thread is a companion to a great little guide from a fellow AmiBayer [B]mnjnurney[/B] you can view his thread by [URL…
... /> [quote]3eStrowsaw can determine a BASIC program and CODE, but it ... has the ability to read BASIC programs [/quote]
John ... point to note regarding conversion of BASIC loaders is that literal number ... -
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…
... to Register Pair BC (Remember low/high order)
SET 0,C ... to Register Pair BC (Remember low/high order)
RES 0,C ... to Register Pair BC (Remember low/high order)
SET 0,C ... -
TAPlist - the emulator versionI've got this working reasonably well; there's just a couple of small extra features which I want to add. (Recall that TAPlist writes a formatted lis…
... a straight line-by-line conversion from BASIC to assembler, but it ... . To use it, LOAD the BASIC program which you want to ... -
Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... the A5 pin high and the A3 one low, so it doesn ... other pins in the same low/high pattern as Kempston, in case ... clash with something using A4-low. There were other reasons for ... not using A1 or A2 low, and A0 is obviously a ... -
Plea for new hardwareI'm posting this as a poll as I want to judge if I'm a solo loon going on about this, or if people really are interested in either of the following S…
... the A5 pin high and the A3 one low, so it doesn ... other pins in the same low/high pattern as Kempston, in case ... clash with something using A4-low. There were other reasons for ... not using A1 or A2 low, and A0 is obviously a ... -
Please explain how a Kempston interface circuit works.Can someone help me understand how a Kempston joystick interface works, as I want to design and build my own as an experiment. I understand switches…
... high, not low, and some decoder chips need three signals low/low/high rather than low/low/low ... . So they check !IOREQ and A5 low for ... Kempston (cheapskates), so need something else high, and ... -
Please explain how a Kempston interface circuit works.Can someone help me understand how a Kempston joystick interface works, as I want to design and build my own as an experiment. I understand switches…
... high, not low, and some decoder chips need three signals low/low/high rather than low/low/low ... . So they check !IOREQ and A5 low for ... Kempston (cheapskates), so need something else high, and ... -
Computer Magazine ListingsI was browsing through some really old multi format computer magazines and found some Speccy game listings. They were popular during the first half o…
... printing errors, the low quality of most BASIC games, and boredom from ... -
CSW2CDT, new tool suite for tape encodingGood evening. I'm much more active on the CPC than on the Spectrum, but today I released the first version of CSW2CDT, a set of three tools whose pur…
... values for the [b]-f LOW HIGH[/b] flag requires trial and ... -
ZX Spectrum +3 repairI have my first +3 here, and it needs repairs. Hoping someone here can help me out. When I power it on I get this screen with black and white line…
... is nailing a data line low/high.
Mark’s approach ...
