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Function with push and popIm trying to see if I understand push and pop when it comes to using to pass parameters to functions: [code] LD HL,16384 LD A,5 Push AF Ld A…
... ]
Regarding IX/IY access, I agree that it is ... />
1. Combined SP/IX access. This is useful for instance ... like the above, there's random access all over the place or ... -
ZX Spectrum CartridgesI have been thinking of "cloning" ZX Cartridges for a while (case, board and silicon skirt), to be able to make new releases or replace damaged cartr…
... the bank switch address; any access to said address would switch ... =)
For a more random access a range of bytes would ... bank switch bytes harder to access. -
Buying a new PCSo, here we go again, me posting for help about buying something. Shame you guys ain't on commission :)) Anyways. I've pretty much chosen everyt…
... encoder system,
128k dynamic random access memory
Fully solid state ... -
Running out of fingers in AssemblyDear all, Still trying to learn Assembly and have put a few routines together. However, as my routines become a little more involved I find myself…
... in order to avoid making random access of data structures necessary (which ... -
Akalabeth gamei found now that someone ported an ansi-basic game (coded in 1979?) to msx-basic - what about a zx-spectrum basic version of it? ;) https://plus.goo…
... indexed arrays for random access rather than the sequential access of READ/DATA ... -
Silkworm vs Swiv (Amiga) - Which is the best shooter?Hi everyone and welcome to the January 2017 edition of the Which Is Best? Last month I placed Final Fight (arcade) and Streets Of Rage 2 (megadrive)…
... mags.
will say random access / sales curve , were a decent ... -
z80 Helper?When you are programming with z80 do you get 'lost' you are in the middle of making a routine and you can't remember which registers are holding val…
... you need to access things in a mostly random order, you will ... you have a lot of random access, it may be faster to ... an IX-indexed stack to access temporaries is very rare. Slightly ... -
disk access & other peripheral docs?The documentation at http://www.worldofspectrum.org/faq/reference/ and thereabouts is fairly complete when it comes to programming the speccys, but t…
... an early influential designer had access to. There are a few ... . The later versions that had random access capability use the printer buffer ... -
disk access & other peripheral docs?The documentation at http://www.worldofspectrum.org/faq/reference/ and thereabouts is fairly complete when it comes to programming the speccys, but t…
... . The later versions that had random access capability use the printer buffer ... -
SD Card Interfaces for the ZX Spectrum : the complete list OK I admit it : this thread will start life as the incomplete list of SD card interfaces but the aim is to list the lot
... /> - Enhanced 'Extended BASIC' with comprehensive random-access file handling capabilities and full ... joystick control, being able to access besides the on-board SD ... -
The point of IX+1 IX+2 ?the numbers that you can add-on to IX and IY seem hardcoded, so I dont see the use of that feature? any examples of the use of IX and IY plus number…
... can be accessed in a random access manner.
I have ... code using IX that can access object data with (ix+n ... -
The point of IX+1 IX+2 ?the numbers that you can add-on to IX and IY seem hardcoded, so I dont see the use of that feature? any examples of the use of IX and IY plus number…
... can be accessed in a random access manner.
I have ... code using IX that can access object data with (ix+n ... -
What about a Universal Spectrum File Container Format for Emulators?A common problem of us Speccy Users is that we have various mass storage interfaces like Interface 1, BetaDisk, Disciple, Tape, divMMC, divIDE and mu…
... . But disk systems are inherently random access. There is no "next" file ... -
What about a Universal Spectrum File Container Format for Emulators?A common problem of us Speccy Users is that we have various mass storage interfaces like Interface 1, BetaDisk, Disciple, Tape, divMMC, divIDE and mu…
[quote="AndyC;921921"]But disk systems are inherently random access. There is no "next" file[/quote]
Or files with length that do not match size in disk sectors, and clever man put there something to stop file copy. -
What about a Universal Spectrum File Container Format for Emulators?A common problem of us Speccy Users is that we have various mass storage interfaces like Interface 1, BetaDisk, Disciple, Tape, divMMC, divIDE and mu…
... like a directory and give random access to the files if they ... -
What about a Universal Spectrum File Container Format for Emulators?A common problem of us Speccy Users is that we have various mass storage interfaces like Interface 1, BetaDisk, Disciple, Tape, divMMC, divIDE and mu…
... like a directory and give random access to the files if they ... -
48k spectrum pausing the clockI had a spectrum 3b motherboard donated to me with no case. So i have decided to put it in a custom case with built in kempston port etc. I also …
... DRAM. This stands for dynamic random access memory. DRAM was used because ... a fully made state. This random ‘switch bounce’ can completely mess ... -
Delta's ShadowA new mega-game from sanchez + co (castlevania, etc) and design by sinc-lair. It's a pay title but there is a downloadable demo: https://zxonline…
... disk and does access some data in a random access manner so a ... -
If you had four roms...Just wondering if you were designing a Spectrum from scratch, and you used a 27512 EPROM, which would hold about 4 spectrum roms, what you would inst…
... with the BASIC not providing access to the full functionality...
random access to file contents for example ... -
If you had four roms...Just wondering if you were designing a Spectrum from scratch, and you used a 27512 EPROM, which would hold about 4 spectrum roms, what you would inst…
... with the BASIC not providing access to the full functionality...
random access to file contents for example ... -
If you had four roms...Just wondering if you were designing a Spectrum from scratch, and you used a 27512 EPROM, which would hold about 4 spectrum roms, what you would inst…
... ) which still matches the microdrive and with similar capacity when ... the other hand, with the microdrive, whatever you loaded, unless ... by the Interface1 hardware and microdrive capabilities, but if you ... to use an existing microdrive to access their files if they ... -
Whatever happened to Optical Tape data storage?Back in the 1990s it was projected this would be a commonly used, high-capacity, high-speed computer data storage format of the future, the best of t…
They're used for backups these days? Or were at least until a while back.
They are cheap and have lots of storage capacity but they don't have random access so that's why they're mainly used for backup purposes. -
Microdrive access via IF 1 NetworkHello, I have a question regarding Microdrive access via IF 1 network. Lets assume I Have two Speccys both with IF but only one with Microdrive. Bot…
... /> I have a question regarding Microdrive access via IF 1 network. Lets ... IF but only one with Microdrive. Both are connected via IF1 ... Microdive via the network and access the Microdrive at Speccy 2? Is ... run at the Speccy with Microdrive?
Any hint ... -
Spin: "Error reading ListView1.Items.Data: Access violation"Hi, I've tried to run various versions of ZX Spin (I've also tried the latest 0.666) and many times I get this error: [INDENT]Error reading ListView1…
... ]Error reading ListView1.Items.Data: Access violation at address 004333C4 in ... program loops with messages like: "Access violation at address 0. Read ... ; that is, I still get random crashes and ok executions.
QL microdrive cartridge questionOkay, I'm throwing this open to the Speccy community at large... Does anyone know what I would need to do to examine the contents of a QL microdrive…
... contents of a QL microdrive cartridge without access to a working QL ... a real Speccy with a Microdrive attached)? Even if it can ... rescued data from a QL microdrive cartridge before? Any help or ...MinnaMicroZ80 v0.21 - Z80 Snapshot to Microdrive converterMinnaMicroZ80 v0.21 - The Z80 to Microdrive Snapshot Converter -------------------------------------------------------------- Written by Rob Shepherd…
... v0.21 - The Z80 to Microdrive Snapshot Converter
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or charges for access.
If ... />
Insert a microdrive cartridge into your Spectrum unit ...CMWC random number generator for Z80Seeing the interest regarding the [URL="http://www.worldofspectrum.org/forums/showthread.php?t=23070"]Xor-Shift random number generator for Z80[/URL]…
... .php?t=23070"]Xor-Shift random number generator for Z80[/URL ... you can see, the table access is quite expensive compared to ...WiP Raspberry Pico Microdrive Hardware EmulatorDecided to take the plunge and learn how to program a Raspberry Pico Micro Controller and, after messing around a lot with Oqtadrive, decided to crea…
... a hardware emulator for the Microdrive as my first project because ... Menu, OLED & SD Card access and the other to run ... also looking at adding wifi access via the Pico W, focusing ...Network cableSorry for almost flaming with all my... er.... two questions now...! ;) I read in the Microdrive 1 manual about network but I cannot find out what k…
... 'R' register to provide a random number on each machine) and ... the Spectrum to gain exclusive access to the network for each ... have a link to your microdrive one please.Microdrive fault.I guess some of you may know this... My microdrive has a problem: the motor starts running as soon as I plug the computer in, and won't stop! It is …
... know this...
My microdrive has a problem: the motor ...
