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zx spectrum 48k issue 6A boot fail- black paperohh whats wrong with this poor specie .. boot fail,, border white & paper black .. when reset it shows the red lines to indicate that the CPU is cycl…
... the ram passes.. but the contention test fails, the interrupt test ... -
specie external keyboard - revision one -[img]https://photos.app.goo.gl/pqeYpXnLqTwYkLvKA[/img] revision one of my external keyboard ... wow it actually worked after a little bit of crash…
... . ???. thinking i may have to halt it as soon as it ... -
Spud v0.306I hid this in another thread so I suppose I should put it here. Spud v0.306 Read the Changelog for the all exciting new stuff that won't work p…
... than just files).
Proper Halt emulation (who would have thought ... -
Are 128K games more likely to crash than 48K ones?Hey, guys. I've been doing some experimenting with various games and even some music demos and apps, and I'm beginning to reach a conclusion that …
... am aware of the memory contention issues between the Sinclair 128K ... -
Robospec (new project, hopefully useful as a tutorial as well)Starting a new project after my graphics investigations. * It's gonna be a Robotron clone since that's not too ambitious (although I'd like to hav…
... just draw everything after the halt, update, then wait for the ... -
Console frameworkStill working on Specotron, but at the point where working out the diagonal lines collision is not good at beer o'clock. In the meantime I've knoc…
... /> call prompt
.loop
halt
call scankeys
call ... -
Exact emulation of the Snow effectAs the original post on another forum is outdated, and for those who don't know about that forum, I duplicate this info here: At the beginning of …
... half of T4 it cancels contention, but it proceeds keeping fixed ... -
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…
... :
ORG 50000
HALT ;synchronize with interrupts
LD ...
OUT (254),A
HALT ;wait 20ms
LD A ... -
Microdrive woesHi there! Just managed to pick up a 2nd hand Microdrive and interface one... Came with an introductory program which doesn't seem to load. Since its…
... PC is stuck at the HALT instruction at #1303 in the ... -
RealspectrumCan anyone tell me why sometimes when I launch realspectrum it locks up on the welcome screen? I am running it in a DOS shell within windows 98. I'm …
... - there's very little memory contention, and a lot of the ... -
RealspectrumCan anyone tell me why sometimes when I launch realspectrum it locks up on the welcome screen? I am running it in a DOS shell within windows 98. I'm …
... hardware, make sure that memory contention is *on*. In Control, disable ... -
Short Z80 QuizQ1) Which program gives different result ? A) XOR A ADD A,A B) XOR A ADC A,A C) SCF ADD A,A D) SCF ADC A,A Q2) What is the equivalent of NEG …
... ) B
6) The HALT state will continue until an ... it will never exit the HALT. Barring an NMI interrupt of ... -
My own Home Computer It's true. My company are planning to build a new Home Computer. It will use a Z80 CPU running at 6mhz, 128k Ram and will run all Spectrum and ZX81 …
... writing stuff to VRAM. RAM contention is off when non-speecy ... -
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…
... above 32768 is sensible (for contention issues with ULA memory and ... -
Here's a christmas present for you!SE Basic is no longer being developed.
... it can, whilst still maintaining HALT timing and FLASH stuff. PAUSE ... -
Basic and AY musicis it possible to play an ay-music in background while a basic program is running?
... play command that it wont halt basic program while playing, it ... -
Something i'd like to see in future spectrum emu'sI haven't checked every emu out so i hope this hasn't been implemented somewhere already...one thing i'd like to see is a special enhanced mode where…
The problem with that is for the emulator to distinguish between deliberate pauses put in by the game, and the Speccy just running out of processing power. One reasonable heuristic might be that a HALT is a deliberate pause and anything else isn't. -
Something i'd like to see in future spectrum emu'sI haven't checked every emu out so i hope this hasn't been implemented somewhere already...one thing i'd like to see is a special enhanced mode where…
... to the vertical blank via HALT but often take more than ... -
THE BEST EMU'I've beem using ZX32 for about a year now.However,certain ROMS such as Double Dragon 1 or Phantomas will not run with this emulator.Is there another,…
... ? That's one - needs memory contention disabled to work (which means ... -
games written using game writng programsI was reading through some issues of crash not long back and one article was about some 16 year old that wrote Frank n stein for the speccy(never pla…
... (or the fact that the contention model was utter crap and ... -
Blizzard PassThis is one for testing an emulator since it works with not many. Theres a notice on the inlay. Select 128 basic then enter out 32765,23 then J"".
... so maybe its a memory contention problem with emulators. They must ... -
TZX compatibility issuesI seem to have a problem with using TZX files on different emulators. Specifically, files Saved As TZX from emulator. I better explain: I have a fe…
... by the 128K ROM (barring contention effects, which the TZX format ... -
Speccy Emulator for GP32??OK, I'm getting a GP32 at the weekend (see here if you've never heard of one :) [url="http://www.gbax.com/gp32review.html"]http://www.gbax.com/gp32re…
... development has ground to a halt.
Yeah, sound is ... -
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…
Amigo - samples will halt the game by necessity. In ... -
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…
... wrote:
Amigo - samples will halt the game by necessity. In ... -
Fire Ruby - More HelpI cant pass the spikes in the fire ruby by lawrence creighton, can someone please help? [ This Message was edited by: welsh_brawler on 2003-08-08 21…
... {6}& splutters to a halt. "Cripes"{6}says Wally, "I ... -
AssemblersProbably asked a question that's been asked a million times before... but... I've decided to do a bit of old Speccy machine coding again, after 20 y…
... than SPIN, and has no contention, and the ROM is pretty ... -
Darkman on SpectaculatorI'm using version 5.2 of Spectaculator but am unable to get Darkman to load. I've tried it on Spin and it loads fine. Anyone else have this problem?
... be some effect or memory contention that only Real Spectrum does ... -
ANN: Spectaculator 5.3 (Speccy Tour players - please read!) Spectaculator is a Sinclair ZX Spectrum emulator for PCs running Windows 95, 98, ME, NT 4, 2000 and XP. Spectaculator emulates the 16K/48K/128K/+2/…
... the lack of a memory contention effect.
The Russian ...
