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How do emulators make code appears as running at 3.5Mhz?Decent Z80 emulators on github return t-states after executing an instruction, giving you the ability to emulate Speccy relatively well. But there ar…
... done to support all possible border tricks?
2) How do ... -
Border emulationHow is the border emulated to do all the fancy little tricks such as in Aquaplane? I've got some basic border emulation working but it only displays…
Border tricks are achieved just by changing the border colour at precise points, knowing ... /> On Sinclair/Amstrad machines, the border can be changed only in ... -
Vote for your favourite loading border colourSo it is time for one more important voting! :razz: What is your favourite loading [B]border[/B] design? Since I guess most of us spent many many ho…
... 's gotta be some more Border tricks that we've not seen ... -
Which Speccy game had best border effectsIn truth, I'm just trying to remember a game from my youth, and the amazing border effect during pause is the only thing I can clearly recall about i…
Impressive stuff.. I thought I'd never see it on a speccy
c64 border tricks because of the hardware I guess are easier , well slightly. -
Precisely timed loops in assemblyI'm looking for a way to make my code stop until the raster has reached the lower screen border (right after having drawn the last pixel line). I und…
... right result. For 95% of border tricks that's all you need ... the complex stuff (like changing border colour at a specific horizontal ... -
Scrolling loader counter in 85 T-States?Would it be possible to write a scrolling loader counter in 85 T-States? I have a custom screen load routine that loads attribute first, then the …
... remember it did some fancy border tricks anyway. Or rather, it had ... -
Scrolling loader counter in 85 T-States?Would it be possible to write a scrolling loader counter in 85 T-States? I have a custom screen load routine that loads attribute first, then the …
... br />
Using the border, instead of multi coloured stripes ... , have the border black to start, gradually ... practical as a loader). Border drawing requires very fine-grained ... remember it did some fancy border tricks anyway. Or rather, it ... -
Border emulationHow is the border emulated to do all the fancy little tricks such as in Aquaplane? I've got some basic border emulation working but it only displays…
... the border emulated to do all the fancy little tricks such as ... /> I've got some basic border emulation working but it only ... like Aquaplane or Starion the border colour is being changed as ... the screen and border are being redrawn. How is ... -
border graphics / text tricks ?just curious if it was possible.. I mean in basic, when you scroll a program you have "scroll ?" in the lower border? is there trickery that you can…
... have "scroll ?" in the lower border?
is there trickery ... " seems to be in the border. but no one ever uses ... -
Dan Dare 256 colour project many may not be aware of.I still need/want to try Vladimir's emulator. But I think many people here aren't aware of another 256 colour project, which was mentioned on C.S.S. …
... doesn't
require special tricks. The format is simple - every ... -
Wanted: Code to wait until Border has been drawnWhen my IM2 interrupt fires, I want to wait until the ULA is past the first line of display before drawing. I know I need to wait about 14300T after…
When my IM2 interrupt fires, I want to wait until the ULA is past the first line of display before drawing.
I know I need to wait about 14300T after interrupt but how can I tell if the ULA is now past the border and onto the screen? -
EmuZWin - border in Full Screen modeWhenever I switch to Fullscreen mode I do not see the BORDER (and it is set to "thick"). Is it because my laptop is "widescreen"?
Whenever I switch to Fullscreen mode I do not see the BORDER (and it is set to "thick").
Is it because my laptop is "widescreen"? -
Does ScanLine[0] have a left border?My emulator couldn't handle Cobra or ShortCircuit so I added some rough port FF values. I now want to make it a bit more accurate. The FAQ gives me a…
... with 256 screen pixels, then border (right), then horizontal retrace, ... and then border again." (left on next line ... What happens to the left border. Usually this is on the ... vertical retrace so the left border actually gets displayed in ... -
Setting the borderCan someone tell me best way to set the border to a given colour using machine code. Its there an operating system call or can I load up a memory loc…
Can someone tell me best way to set the border to a given colour using machine code. Its there an operating system call or can I load up a memory location. Thanks. -
Cool BASIC tricks and tips!Following on from Dunny's excellent suggestion of a compendium of BASIC tips + tricks, I believe it would be better to have a topic dedicated to it. …
... a compendium of BASIC tips + tricks, I believe it would be ... />
So post all tips, tricks, etc here! Lets see wot ... -
req: hack/poke for 3D deathchase border colourBack in the day, I used to have a version of 3d deathchase which had a black border instead of the usual white one, it made it much better, especiall…
... deathchase which had a black border instead of the usual white ... -
Why does Spectrum display has a border?Ok, this is problbly simple and very basic question but I don'r remember seeing an answer anywhere. Don't you think, that at first glance it is irr…
... we leave an empty unused border if we could place some ... seems to me that eliminating border could have been achieved by ... whole screen, thus eliminating the border(it would look better imo ... -
Black paper, white border. Ram fault?We have a speccy that wont work properly. When we power it up, we get white border around a black screen. We swapped the rom and ula with a working o…
We have a speccy that wont work properly. When we power it up, we get white border around a black screen. We swapped the rom and ula with a working one, and we got the same result.
is this a ram fault? How can we check ram chips? -
out (254) - Bright Border[code] ld a,%00000111 out (254),a [/code] The above changes the border to white. Is there a way to set the border to Bright white? Cheers
[code]
ld a,%00000111
out (254),a
[/code]
The above changes the border to white.
Is there a way to set the border to Bright white?
Cheers -
Groundbreaking gamesWhich games really broke new ground? I mean the ones that actually got around the hardware limitations of the Spectrum. For example: Aquaplane - f…
... use of timing tricks to draw things in the border (well, extending ...
Gyron - use of timing tricks to generate extra colours on ...
Uridium - Use of timing tricks to change attributes on individual ... -
Border size?Hi I've read the documentation on the border in the CSS. But I think I've managed to missread somthings, perhaps som one can explain. it says 64 bord…
... read the documentation on the border in the CSS.
But ... explain.
it says 64 border lines , 192 screen and 56 ... border lines again.
64+56 = ... goes for left and right border the would 48+48=96 ... -
Screenshot with border in SpinHi. I'm probably missing something obvious, but I want to save screenshots of a couple demos, and I want to include the border area in the screenshot…
... I want to include the border area in the screenshot. I ... 256x192 image, regardless of the border emulation.
I realise I ... -
Can you write in the border?Is it at all technically possible in any way to get stuff into the border, apart from changing the border colour? I believe the C64 used the border a…
... stuff into the border, apart from changing the border colour?
... the C64 used the border area occasionally to display ... the screen can draw the border changing colour completely. With ... Has a more closely controlled border usage already been done?
How to claim back the border space in basic?Hey, I'm wondering if there is a way to reclaim the space the border usually occupies in BASIC? I am sure I have hit BREAK on some games and ended up…
... to reclaim the space the border usually occupies in BASIC? I ... had got rid of the border and gained much more screen ...Kaspersky Using Dirty Tricks??I have today upgraded my Kaspersky Internet Security to version 8.0 (KIS 2009) as my 7.0 licence expired. However, I cant help thinking that Kaspers…
... Kaspersky are now using dirty tricks to cut their competitors out ...party tricksDo you have any party tricks and what are they? i can juggle enough to impress.
Do you have any party tricks and what are they?
i can juggle enough to impress.Screenshots without the border?I'm going through a list of some games in the archive and when I find one that doesn't have the correct loading screen I create the .scr and .gif fil…
... been having to crop the border, because Spin and Spectaculator include ...Vote for your favourite loading border colourSo it is time for one more important voting! :razz: What is your favourite loading [B]border[/B] design? Since I guess most of us spent many many ho…
... is your favourite loading [B]border[/B] design? Since I guess ... the game used some custom border colours it was even better ...Keyboard Issues When Setting Border ColourWelcome to the next in my series of inane 'Z80 on the Spectrum' questions! ;) Here's a minimal snippet of code for polling the keyboard until any ke…
... way is to change the border colour (to black in this ...Tricks with IN 31It's generally considered unwise to use a Kempston joystick's fire button to start a game, because the floating bus effect can make arbitrary data ap…
... is still drawing the upper border (using a short interrupt routine ...
