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ZX Dev - Conversions * New Spectrum games Compo!! *Hi Everybody! A new edition of the ZX Dev has just started, we have been planning it for the last weeksand finally we have come up with this speci…
Interface devices interfering with keyboard functionHi, After over 20 years away from owning a ZX Spectrum +2, I recently bought a reconditioned ZX Spectrum + and, after reading about some of the ne…
... plugged in, it won't register.
Does anyone know ...Key repeat weirdness with EI & IYI finally (after 35 years!) decided to write something a) for 48k speccy b) in z80 assembler. It's been over 20 years since I've written anything in …
... /> Should I not use iy register pair when I have EI ...New Windows Spectrum Emulator: CSpect V0.2 ZXSpectrum emulator by Mike DaillyNew Windows Spectrum Emulator: CSpect V0.2 ZXSpectrum emulator by Mike Dailly (Found on SpecNext Facebook-Page) Info and Download (=klick "CSpe…
... , $243B ; select the X scroll register
ld a,22
register
ld a,23
Register $20 ; Layer 2 transparency color ...shadow regs musingIn the process of optimising some assembler, it occurred to me how great it would have been if the Z80's shadow reg opcodes had been a bit more fully…
... a sort-of "pointer to register bank" mechanism.. originally intended for ... a quick register bank swap during interrupts, which ...Interrupts, 16k Spectrums and snowI'm writing something for the 16k Spectrum and I want to use interrupts. The avilable documentation doesn't seem clear enough for me to figure out ho…
... . Snow appears if the I register points to somewhere between 16k ...Step through assembly language whilst viewing registers and flagsHello, Is there anything available which would let me step through an assembler listing and see how each register (and flag) changes at each instr…
Hello,
Is there anything available which would let me step through an assembler listing and see how each register (and flag) changes at each instruction?
ThanksA Neat Redefine Keys RoutinePreviously, I’ve only shared this routine with a couple of people via PM, but I’ve now decided to make it public. I optimized it for size, so it uses…
... ; otherwise, use a 16-bit register
;pair, such as HL ...Restoring AY registersAfter doing (not still finished) the sna to tap converter, I'm going to try to do the same for 128k snapshots. I've got threee ideas about what to do…
... 7.
5.- Restore page register $7ffd.[b](*)[/b]
6 ... delay between selecting an AY register and writing a value?
Writing own emulator: Contention questionsHi! (I don't know if this message should be here or in Hardware) I'm trying to write my own emulator just for the sake of it, and I'm having pr…
... to understand why the IR register pair is being used there ...Parallel to serial z80 i/o portI have an Opus Discovery and an Alphacom 32 printer. I want to see if I can make a cable that will use the Opus Parallel printer port. The question i…
... reference bits of the A Register byte?)
Note: I ... state "...the data is in Register A..." this is the ZX ... Spectrum A register and not another pin?
Fuse 1.5.6 releasedA new release of Fuse, the Free Unix Spectrum Emulator, is now available at the SourceForge project: https://sourceforge.net/projects/fuse-emulato…
... :
[list]
[*] Z80 flags register is now correct after SCF ...Fuse for macOS 1.5.6 ReleasedA new version of Fuse for macOS has been released at the dedicated sourceforge project: https://sourceforge.net/projects/fuse-for-macosx/ Note …
... :
[list]
[*] Z80 flags register is now correct after SCF ...ZEsarUX-7.1 BETAHi I have uploaded a new ZEsarUX 7.1 BETA version here: https://github.com/chernandezba/zesarux/releases/tag/7.1-10082017 Changelog of this …
... /> *readdir call was incrementing PC register when there was no more ...ZEsarUX-7.1Hi! There’s a new stable version of ZEsarUX, version 7.1! The next 24th of September it will be 5 years old :) So this is a special anniversary…
... br /> Added setting --random-r-register to generate random value for ... R register on every cold start, ... *Now you can use every register, variable, number on any position ... *readdir call was incrementing PC register when there were no more ...[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…
... is operating on all 16bit register pairs, but would it be ...Todays rant! There must be something archaic about my wiring! Because Heather bought me a nice smartphone oh about two or three years ago and I simply could not…
... my skin doesnt seem to register, so making a move across ...Drawing LinesHas anyone got any experience of coding a Bresenham line drawing algorithm on the Speccy? I've had a go and I find the algorithm has quite a few s…
... the screen byte in a register and adding adjacent pixels to ...converting sna to tapsince i'm struggling to find a simple sna to tap converter that works fine on gnu/linux, i'm about starting to code one on my own (using a scripting …
... , and how to set "F" register (perhaps only using push and ...LEGO SEGA Arcade MachinesLEGO is having a run-off between four previously submitted set ideas. All are approved to be made, whichever wins the vote. Naturally I'd love to se…
... cabs), so take a look, register and vote!
[url]https ...Currah uSpeech ROM Paging and BootyHi, When I emulated the Currah uSpeech for [url="http://www.inkland.org.uk/inkspector"]InkSpector2[/url], I made it page in its own ROM on memory …
Can someone run this test program on a real Spectrum 48K?I've knocked up a small test program just to satisfy my emulation OCD if someone with a real 48K Spectrum can spare a couple of minutes to run it.? …
... interrupt response" or "Incorrect R register value". I'm kind of ...ZEsarUX 8.1 stableHi! I've uploaded a new ZEsarUX 8.1 stable version. Go to the github released webpage to download it: https://github.com/chernandezba/zesaru…
... mode
-added tbblue register 63H: copper 16 bit ... /> -added tbblue register 69H: display control 1 register
-added ... (soft reset = 0)" on register 0x68
-fixed turbosound and ... MHz)
-fixed reading register 7
-fixed RTC ...Will be away for at least a week.Just signing in for one hour, and typing this up in advance, hopefully i will be able to get it posted and do anything else I need, because one hour …
... option I picked didn't register and the recorded message just ...ZEsarUX 9.1New ZEsarUX stable version 9.1 :) You will find, as always, compiled versions for Linux, FreeBSD, Mac and Windows. The source code is available,…
... emulation of tbblue joystick type (register 5)
-Added sprite zoom ...ZEsarUX 9.2 Release CandidateHi! I have uploaded a new ZEsarUX Release Candidate version 9.2. The final stable version will come in a few weeks, so stay tuned! You can down…
... Debug action to set PC register to zero
Added command ... colour
-Fixed AY chip register selection
-Fixed CRTC interrupts ... screen mode and rom configuration" register of the Gate-Array and ...
