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Horizontal scrollDoes anyone know how to do a 2 or 4 pixel left or right horizontal scroll of the spectrum screen. I can make a 1 one pixel scroll with: ... rl (hl…
... 4 pixel left or right horizontal scroll of the spectrum screen ... -
Smooth Screen Scrolling RoutineHi everyone, this is a follow up to the thread on smooth screen scrolling. As promised here is the code for the routine. It's pretty long and fairl…
... /> The routine is designed to detect blank tiles, which can be ... /> LD A,E ;reset the horizontal screen
AND 224 ;position ... -
JSW64 Feature ListOk, I remember at least someone asking about the current state of the JSW editing scene, so I thought I'd post this, which I wrote in the JSW/MM club…
... part outside)
f) Solar beam entry point (as in MM ... />
- New guardians
a) Horizontal guardians now available in fast ... down and crashes at regular horizontal intervals
d) Eugene - stops ... -
Detect if program was loaded from tape or microdriveHow (if at all) can a BASIC program detect if it was loaded from tape or microdrive? This can be helpful to then load the screen or more machine code…
... all) can a BASIC program detect if it was loaded from ... -
horizontal shmupsare there any speccy horizontal shmups where you freely move your ship (or whatever) pixel-by-pixel except penetrator? (i?m glad to realize, the lack…
are there any speccy horizontal shmups where you freely move ... -
ANNOUNCE: Jet Set Willy: Party Willy [Special Edition 2007]Today (23rd April) is the third anniversary of the full release of [i]Party Willy[/i], Daniela Hantuchov?'s 24th birthday, Nicole Vaidi?ov?'s 18th bi…
... rooms, and mirror the solar beam!
[*][b][i]ylliW ... the room, and shifted the horizontal guardians' start-positions two cells ... -
IN 255 behaviour not emulated in Spectaculator and ZXSpinI'm not speaking about "normal" IN 255 behaviour. All of you know what I'm taking about: IN 255 can be used to "read" screen data as it's retrieved f…
... syncronize a program with the horizontal retrace.
Last weekend ... only for bit 7 to detect when the ULA has finished ... -
+3 how to detect if a file exist ?Need help. I am making a generic menu to my compilations over the spectrum +3. Exist some way programatically to detect if some file exists on the d…
... /> Exist some way programatically to detect if some file exists on ... a 'cat' but, how to detect if exist programatically sounds hard ... -
detect deleteHi everone How can you detect that the caps + 0 (delete) is selected. Im making a word program for fun, but i need to be able to delete characters..…
Hi everone
How can you detect that the caps + 0 (delete) is selected. Im making a word program for fun, but i need to be able to delete characters..
Thanks -
What is the best way to detect CAPS LOCK?Hi Folks, Not sure what the correct behaviour is here as I do not have access to a real Spectrum. Under BASin, when you press CAPS LOCK on the PC k…
... is the best way to detect CAPS LOCK from BASIC? When ... -
(Re) building a ZX Spectrum laserharpThe Cambridge show is nearing, and I want to bring my laserharp with me. Why? Because it's built around a ZX Spectrum +2: [IMG]http://benophetintern…
... will give a light blue beam, which is noticable from far ... light blue laserbeam.
The beam is reflected by my hands ... the sensor detect the reflection.
When it 'sees' a beam is ... is, as it controls the beam, it know which tone must ... -
How do I detect if key 'H' is pressed in machine code?How do I detect that the key has been pressed? I have been using the IN 239 command for keys 6-0, but dont know how to detech 'H'...
How do I detect that the key has been pressed?
I have been using the IN 239 command for keys 6-0, but dont know how to detech 'H'... -
Movin And A Groovin Horizontal Flip improvementOn the left is the flip horizontal portion from Andy Pennell'S excellent Movin' & a Groovin' machine code screen routines from Your Spectrum #19 (Oct…
... says about the routine "The horizontal flip is noticeably slower than ... .
; nice flip horizontal
FlipHorizontal LD HL,16384 ... /> RET
;end nice flip horizontal
[/code]
Rolling display from RGB port on a +2Hi gang, after many years I finally decided today to attempt connecting my +2 to my Japanese RGB monitor. Using just the composite video pin only …
... usual colour inputs and separate horizontal and vertical input. Now, when ... supplies composite sync to the horizontal sync pin and it works ... , and the monitor couldn't detect the frequency automatically with separate ...im looking for a horizontal scroll routinehi, im looking for a horizontal scroll routine. i read somewhere that you can do it with at 'to' statement, somewhere in a print routine. althoug…
... />
im looking for a horizontal scroll routine. i read somewhere ...Other than using attributes what other ways to detect collisions, when using char based movement?So I'm slowly working out the bits and pieces to write a game completely in assembly. I've been using attributes when writing in BASIC to detect whet…
... when writing in BASIC to detect whether and object hits another ...How to write a simple BASIC* horizontal scrolling game (Tutorial) [b]How to write a simple BASIC* horizontal scrolling game[/b] In this tutorial, we will be talking about how to write a simple BASIC* horizont…
... to write a simple BASIC* horizontal scrolling game[/b]
horizontal scrolling* game.
It ... start!
*) Well, the horizontal scrolling part isn't in ...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…
5C Horizontal timing vs 6C horizontal timing.Hi all, Just considering the timing difference in the video signal between the 5C and the 6C where the 6C ULA seems to have 50% longer horizontal …
... seems to have 50% longer horizontal blanking ( H-Sync ). Does anyone ...C64 & Spectrum loadingscreens!I was bored today, so I decided to compare some stuff. :) [url="http://www.lemon64.com/loadingscreens/"]http://www.lemon64.com/loadingscreens/[/ur…
... black along with the laser beam. a good way to imply ... if they move vertically, but horizontal movement can still create clash ... clash with moving on a horizontal or diagonal axis.
Fun with MAMEI'm having a look at history.dat, an add-on for Mame containing history, trivia and tricks about the games. Here are some funny/bizarre bits I found …
... monitors in which the beam instead of drawing horizontal scanlines, painted the ...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…
... /> Horizontal/vertical retrace is just the time spent as the electron beam ...Collision Detection in SP1Hi, Does anyone have a well-documented example of using collision detection in spritelib. I've search WoS and Z88DK forums but no joy. Something wi…
... /> uchar hrot; // +5 current horizontal rotation (0..7)
detect if the two sprites ... a,(iy+5) ; add horizontal rotation
ld b,a ... You can use it to detect collisions between any two ...The much rumoured Pandora is finally being built !!!!!!!20 years late though. Its from the people who made the GP32, GP2X. Its a hand held similar in size to a DS. [IMG]http://pandora.bluwiki.com/images/…
... controls, which apps have to detect and then modify sample scaling ... get doubled or even tripled horizontal lines...
Then you ...Difference in emulator screen sizes and coloursSeeing as Greencard's gone out drinking... I've done a comparison between Spectaculator and ZXSpin. ZXSpin's full screen with border is taller than S…
... this frame already, the electron beam will for a moment not ... screen pixels, then border, then horizontal retrace, and then border again ... border, 48 T states of horizontal retrace and 24 T states ...I am currently playing......Don't know if there's been a thread like this, but I can't find one.... Having seen all the different threads asking people if they've played such a…
... Harrier style instead of a horizontal shooter.
Thinking of ... , with Super Lights, a laser beam and wide bombs. I can ...Caption Compo!Time for a caption compo methinks... Rules are: 10 PRINT "Winner is decided by current holder" 20 PRINT "Current holder can decide winner whenever …
... /> Winner! Mainly because of the horizontal beam width joke* ... though technically it ...The Making Of Manic Miner"Matthew Smith talks us through every level of his classic platformer Sat at the very desk where it was written, Matthew Smith watches Miner Willy l…
... format (e.g. PLATFORM_A repeat horizontal 30 times @ 2, 10, etc ... at proper speed, solar power beam draining the air supply
horizontal roll table (or could generate ...Mr Do! ?Not exactly a new idea (at least twenty-seven years old now :-o), but how about a port of Mr Do! to the Spectrum? There was never an official one, ev…
... squares, avoiding the need for horizontal scrolling. I'm undecided as ... can poll IN 0xFF to detect the appropriate moment, then run ...
