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Hacker Chris' Christmas Demo doesn't work[url=http://www.worldofspectrum.org/infoseekid.cgi?id=0007314]Christmas Demo[/url] .z80 file from WOS doesn't work for me. I tested in Fuse and SpecE…
... program is stuck in a HALT instruction with maskable interrupt disabled ... -
****ing Awesome Spectrum Engine (FASE)This is a new engine (sprites, tiles, map) for all ZX Spectrum machines. The engine set ups a runtime enviroment that leave between 24K and 30K byt…
... between 8 and 16 sprites flicker free at 50fps in 48K ... -
Game loopJust working on my first ever Spectrum game, and am struggling to work out what the game-loop should look like. I've got interrupts enabled (mode 2)…
... (pseudo code):
loop: halt ; wait for interrupt to occur ... I was thinking about the halt instruction I then thought it ... :
loop: update_stuff
halt
clear_sprites (from old position ... -
Questions about Vortex Tracker II exported songsHi, I have been experimenting with Vortex Tracker II lately and have a couple of questions. By exporting the song to TAP format, a file is generated…
VT2 hobeta player?I am trying to build something with a hobeta with player exported from vortex tracker ii. I want to be able to run the file on a standard 128K. I am …
Retro Computers/Gaming Movies & TV ShowsThere's some really interesting retro computer/gaming related movies and TV shows out there at the moment, with some others in production. I've put t…
... =nv_sr_2[/url]
[b]Halt and Catch Fire (TV SHow ...Slow/fast games - change speedSome ZX games are too slow or too fast. Problem with speed is aslo in russian ZX games or thanks to different memory layout on zx128 and +2a models. …
... games if you remove some HALT instructions. For example in russian ... . One POKE 43315,0 replace HALT instruction with NOP and game ... .
Not always is HALT instruction use for screen synchronisation ...Halt and Catch FireAnyone watching this tv show? a bit like MadMen, but set on the early 80's (83 I think), and spent in the PC industry. bit of the underdog tale a…
Anyone watching this tv show?
a bit like MadMen, but set on the early 80's (83 I think), and spent in the PC industry.
bit of the underdog tale about a small company that wants to rival with IBM.
Finding it quite ...48K misplaced coloursHello to everybody! Slowly recapping a otherwise working Issue 6A 48K. All new caps aroud LM1889, 7805 and DC-DC converter, which improved ripple an…
... the screen, that make letter flicker slightly, and colour information lags ...Buffer to screen - how much?[FONT=Calibri][SIZE=3]I am starting to build a new game and am researching different ways to accomplish what I need to do. My question is, is it poss…
... the refresh causing tearing and flicker etc? This will need to ...Ensure my interrupt handler begins at the same T-stateHi! Is there a way to ensure that an IM 2 interrupt handler starts always at the same T-state (related to the moment the ULA triggers the INT line, w…
... main loop is full of HALT instructions, with some instructions to ... of instructions that aren't HALT last a number of cycles ...DivMMC Enjoy! Works on 3 of 4 48k Speccy's I own?Hey guys. I have a DivMMC Enjoy! Which is absolutely awesome! Love it to bits. It works perfect on three of my 48k Speccy's, but something isn't rig…
... CARD LED doesn't even flicker upon power up? Pressing the ...SpecBAS 0.830 Released!Hi guys - A new official release of SpecBAS has been released. The full changelog is below, but for now here's the download: [url]https://sites.goo…
... messages (including 0:OK) would halt all sound when displayed - now ...ArcadiaHi folks, new to the forum, but as old as the rest of you when talking about the spectrum :-) I downloaded Arcadia (using Fuse until my speccy is so…
... , the programmers made your spaceship flicker green/red and become jittery ...Playing AY music on the SpeccyCan anyone help with playing AY ripped music on the Speccy? So, let's say I want to play some ripped AY music, such as: [url]ftp://ftp.worldofspect…
... data in tra_0_2.BIN per HALT command (every 50th sec) to ...
EI
LOOP:
HALT
CALL 51802
JR ...Picture issues with LCD televisions.As I don't currently have anywhere sensible to put my CRT television, I wanted to switch to a flatscreen LCD for the time being. I have however encou…
... the time the screen will flicker up and down rapidly on ... LCD televisions to go into "flicker mode" or how to sort ...TV Pal, odd and even framesI have been researching, but haven't found any real interesting information on this subject, so far. What I mean is, since TV PAL signal is interl…
... ) frame, since they just use HALT to sync on the Spectrum ...z80 assembly helpEver since I was a child I wanted to program my zx81 then my zx spectrum + 2. However, it was such a mystical beast and I only ever used BASIC not kn…
... ; length of delay.
delay0 halt ; wait for an interrupt.
delay0 halt ??
djnz delay0 ??
ret ...Full-screen 32 columns bicolor engine NIRVANA+I'm glad to announce the release of [b]NIRVANA+ ENGINE[/b], providing support for bicolor graphics (multicolor 8x2) in 32 columns for all standard Sp…
... , so the screen will never flicker. Trust me, it's worth ...New game: Chrimblast!Submitted to the[url="http://zx-dev-2015.proboards.com/thread/32/new-entry-chrimblast"] ZX-DEV 2015 comp[/url] already, so hopefully Ivan et al are o…
... />
There will be sprite flicker, there will be colour clash ...Text scroller and custom fontYesterday I was testing this text scroll routine taken from Jonathan Cauldwell's Intro Maker (labels have been inserted to allow partial code relocab…
... /> JR NZ, L_35381
L_35387: HALT
CALL 00654
INC ...20+ years of X128!Hard to believe, but it's true! I was inspired by Gerton Lunter's Z80 (which I had used for years) and I wanted to make my own Spectrum emulator. …
... proper releases ground to a halt with V0.94 on 02 ...Spectrum 128 video issuesIf you can tolerate 30 seconds of awful generic music, have a glimpse in my video below. I have muy toastrack hooked on RGB and I have flicker and…
... on RGB and I have flicker and sometimes instant dissapear of ...48K Issue 6a wobbly and flickering TV outputHi folks, Found an untested issue 6A Spec whilst tidying up and it had a warranty sticker on it from a past repair which seemed to be a socketed L…
... output was dodgy at best - flicker and what can only be ...ZX 128+ RGB Scart - ghosting,patterns,flickeringHi all, I have a ZX Spectrum 128+ with RGB Scart (from TheSinclairShop bought ages ago) hooked on a 40' Samsung Smart TV. Awful ghosting, silly p…
... , silly patterns and non periodical flicker
https://www.youtube ...Just had the weirdest power cut ever Oothis morning i was posting Johnny Cash songs on google+, then i took the dog out. Came back noticed the downstairs lamp was flickering so thought it …
... on, could see the bulb flicker abit but not lit as ...ZXDS 1.3.4Hello, to celebrate the 35th Spectrum (and 10th ZXDS) anniversary, I have prepared [url="http://zxds.raxoft.cz/"]new ZXDS release[/url]. It fixes …
... very subtle contention bug in HALT emulation, which no one will ...Can I name a subroutine and then call it by name?No thats not really exactly the problem. I wrote 4 lines of Basic that draws an 8x8 square and then told it to check x,y and subtract 4 from x or y t…
... a character moves would eliminate flicker but it doesnt. Its quite ... fast but theres a flicker so I thought well I ...Double Buffering Artefacts on Real HardwareI have a project that I've played around with for a while and always tested using emulators, either ZX Spin or Spectaculator. It is a 128k game th…
... switch the screen after a HALT instruction.
Of course ...
