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Flicker-free animationTrying to create flicker-free screen update, but... Where I'm wrong? [url="https://dl.dropboxusercontent.com/s/pfywhfejfmwt2zq/test_128.sna"]Snaps…
Trying to create flicker-free screen update, but... Where ... :
ei
loop:
halt
call swap_video
call ... -
Game loop design?Having some thoughts on how to design the game loop and could do with some hints and tips from folks who have done it before! It's all about how to …
... ,RET interrupt function, so that HALT can be used to time ... /> jr z,nosprdraw
halt ;Wait for interrupt
call ... screen - all this to avoid flicker).
Right now the ... -
Sprites flickeringI am trying to write a Spectrum game in machine code. I am still a beginner in programming, however I did much progress recently, i believe. Now I am…
... with screen refeshing, interrupts and HALT command, but I still dont ... .
Could anybody explain why flicker happens
and how to ... -
Flicker on my scrolling demo, any ideas?I have created a scrolling demo downloadable from [url="http://www.peargames.co.uk/downloads/scroll.z80"]http://www.peargames.co.uk/downloads/scroll.…
Question on copying screen bufferHi, Al my prevoius games were copying graphics directly to screen memory starting at 16384. Now I'm experimenting with screen buffer where I could d…
... at as it seems to "flicker" at the sprite edges.
flicker as I'm not clearing ... from buffer to screen after HALT.
Am I doing ...Real Spectrum screen flicker with SCREEN$I've written a basic loader to simply do a 'load "" screen$' based video from a divide+ however I'm finding the Spectrum can't render a screens and a…
... 's attributes, i.e. the flicker is the new frame using ...Flicker fixer for ZX 48KHas anyone the schematics for the flicker fixer: [URL]http://8bit.yarek.pl/computer/zx.48/[/URL] Micky
Has anyone the schematics for the flicker fixer:
[URL]http://8bit.yarek.pl/computer/zx.48/[/URL]
MickyBEEPER music compo 10-11 July on Di:Halt partyoh yeah! public pressure organizers [B]Di:Halt [/B]which will take place [B]July 10-11[/B], agreed to hold the [B]beeper music compo[/B]. The rules…
... ! public pressure organizers [B]Di:Halt [/B]which will take place ...Wizball flicker...Just playing Wizball and noticed if you set your emulated machine in either Speculator or Spin to a 128k machine (any of them) - then the graphics fl…
... of them) - then the graphics flicker like mad. With a 48k ... machine selected it doesn't flicker (but the sound is crap ...JC's GLOOP and flickerI wasn't sure whether to post this question in the Development section, as I suspect there is a technical reason which will be the answer to my quest…
... , whereas the mutants don't flicker there?
In fact ...Multicolor/RGB3/3color fast low flicker software available?After giving myself a near migraine looking at 3 colour image (3 frames, red, green blue) anim gifs in a test version of image to zx spec I'd like to…
... viewer (i.e. barely noticeable flicker)?
As it stands ... the flicker is so bad that I ...Using RST 16 and udg flickerHi there! I'm using UDGs and RST 16 to make a simple canyon bomber game. I've got the game mechanics working ( finally ) but now I'd like to make …
... />
I have used a halt instruction before my draw operation ...Is there an SNA halt bug?Hello all, I noticed that some SNAs don't work on my emulator but they do work in almost everyone else's, SPUD fails with them too which is a tad sp…
... to get stuck on the halt instruction. I can't find ... with regard to SNA and halt, does anyone have the details ...Address bus contents (i.e. PC) during execution of HALTI'm wondering if anyone can tell me what's placed on the address bus during execution of HALT, beyond the initial M1 cycle. The Z80 user manual state…
... address bus during execution of HALT, beyond the initial M1 ... contains the following code for HALT:
[CODE] case ... the opcode fetch after a HALT could actually trigger paging ... of addresses well before the HALT operation finishes. While I ...Tile engine and slight colour flickerOver the past few nights I've been working on a simple tile game engine for a rock fold game I'm making. While all is going surprising well I've not…
... 've noticed a slight color flicker when moving the main character ...Tile engine and slight colour flickerOver the past few nights I've been working on a simple tile game engine for a rock fold game I'm making. While all is going surprising well I've not…
... 've noticed a slight color flicker when moving the main character ...Top Telly Tip... Halt and Catch FireThe series is set in the early 1980s and depicts a fictionalized insider's view of the personal computer revolution. The show's title refers to the f…
... the fictitious machine code instruction Halt and Catch Fire, which would ...HALT: Why always 4ts?Instruction breakdown of halt is like that: PC 4ts. That means it fetches instruction byte from ram which tooks 4 ts and then does nothing and read…
Instruction breakdown of halt is like that:
... or interrupt.
if halt is already read by cpu ... and again to execute the HALT, why it still takes 4 ... /> I mean if cpu executed HALT at cycle 5, and if ..."Decoding z80 Opcodes" (http://www.z80.info/decoding.htm#intro) - Incorrect HALT Opcode?Apologies if this is a dupe but I searched within the forums and couldn't find anything. I've been working on a z80 emulator (for academic and rec…
... seems to incorrectly specify a HALT opcode as 0x7[i]7 ...Flicker free animation in BASIC, is it possible ?With all my various noodlings in BASIC and indeed with my so far limited assembly I keep coming up with the same issue. How do you do animations wit…
With all my various noodlings in BASIC and indeed with my so far limited assembly I keep coming up with the same issue. How do you do animations without flicker or trails ? Is this possible in BASIC ?Which Emulator has a menu option to enable Interrupts (EI) if emulated Speccy hangs after DI / HALT?Which Emulator has a menu option / debugger option to enable Interrupts (EI) if emulated Speccy hangs after DI / HALT? I tried SpecEmu and Fuse, b…
Which Emulator has a menu option / debugger option to enable Interrupts (EI) if emulated Speccy hangs after DI / HALT?
I tried SpecEmu and Fuse, but I can not find a option for doing this in their debugger.Game loop design?Having some thoughts on how to design the game loop and could do with some hints and tips from folks who have done it before! It's all about how to …
... enough in order to avoid flicker rather than rendering your ... graphics to avoid flicker. On a 128K system ... 'proper' code as CALL draw_screen \ HALT \ JR halt_inst \.
... proper program
jump to HALT instruction
reenter IM2 ...Smooth Color Masked Sprites using fast page flip on 48kHere is a quick demo of using char based sprites using the Page flip method: a) Background is copied to buffer b) Sprites drawn on buffer c) Buffer …
... am getting major "tearing", or flicker. I have used IM2 so ... /> LD (OKTOFLIP),A
HALT
JP ...Can Anyone explain sprites in Jet Pac/Atic Atac etcJet Pac was 16k, and yet the sprites were impressively fast. I notice they had a slight flicker at times, but were notmally pretty flicker free. W…
... /> Call DrawSprite
halt
jp lp4
flicker are
; kept to a ...Sprites flickeringI am trying to write a Spectrum game in machine code. I am still a beginner in programming, however I did much progress recently, i believe. Now I am…
Flicker happens because you are changing ... />
If you use a HALT instruction then the CPU will ...Sprites flickeringI am trying to write a Spectrum game in machine code. I am still a beginner in programming, however I did much progress recently, i believe. Now I am…
... on from Cyborg's comments, flicker can be avoided by either ... cleared that space, by using HALT, and then waiting for (128 ...Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…
... we can safely insert a halt instruction at a convenient place ... clive albeit still with some flicker, but nowhere near as ... further, by possibly relocating the 'halt' instruction.
However, it ... a perfect patch since the 'halt fix' method undoubtedly uses ...Pocket Clive - 2 QuestionsHello, I've just started using Pocket Clive on my iPaq pocket PC, excellent emulator BTW. 1. I have just wrote a small BASIC program to randomly pi…
... bus probe", and install the HALT instruction at a convenient place ... />
There is some annoying flicker when playing the modded snapshot ...
