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Memory Contention: A Hypothetical Fix?I have just had this crazy thought: If one were to wire an additional memory chip, say a 6264 8Kx8 SRAM, in parallel with the main memory so that it …
... ULA is reading from, would halt the Z80 only if the ... -
A 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…
... ;a short pause
3$ halt ;before
djnz 3$ ;leaving ... -
No-tearing (“vsync”) Full Screen FadeSeeing as most screen fades exhibit visible tearing, I wrote my own routine which does away with that problem. Simple, effective, short, and fully re…
... of attr area
halt ;wait for beginning of frame ... -
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…
...
-added copper opcodes NOOP, HALT
-increased tbblue.mmc MMC ... -
Moritz The Striker for the 48k SpectrumDownload: https://www.dropbox.com/s/bbb7n2ipv7ed4k1/Moritz%20The%20Striker%20-%2048k%20Release.zip?fbclid=IwAR2ZdaHdIFQEKGt5raugVaxeudTcQDJT-nQgSk…
... please STOP the tape or halt the tape image if using ... -
why am i getting b integer out of range in this code?ive tried running this in spin but thats what i get [code]main org 40000; ; We want a black screen. ld a,71 ; white ink (7) on black paper (0…
... /> call splayr ; show player.
halt ; delay.
; Jump back to ... -
this code wont give me a random starfieldim using a peice of code that ive copied from a book, ignore most of it as it is redundant. for some reason i get a strange random starfield instead …
... /> call splayr ; show player.
halt ; delay.
; Jump back to ... -
How to write a simple C+asm horizontal scrolling game (Tutorial, z88dk)[b]How to write a simple C/asm horizontal scrolling game[/b] [b]Note:[/b] This tutorial has multiple parts... I am still writing but this first pa…
... /> scroll_left();
#asm
halt
#endasm
}
HALT instruction, which does nothing much ... -
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 ... -
Zero v0.8Pigs can apparently fly because it's the v0.8 update of Zero that no one asked for but is out for public consumption anyway. Grab it [url="https:/…
... snapshot (woody).
- Fixed incorrect HALT implementation (ZjoyKiler).
- Fixed incorrect ... -
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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
new emulatorHi All. If you wish you can download/test/link to/betatest etc. my new emulator EmuZWin 2.0. It emulates S48 and S128 and works under all Windows 9x…
... MC. Such as fast LDIR/... HALT/... Refresh Rate always 100%. Speed ... -
[NEW]: Spectaculator 6.0Spectaculator 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/+…
... , it's quite possible to halt the display if you run ... -
TimingHey All, Is their away of obtaining timing information on ZX128k other than addresses 23672->23674. Basically I would like to identify every 100th …
... detect it, but you can HALT to wait until VBL occurs.
