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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.
scroll with:
... rl (hl)/dec ... -
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 that ... -
Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... a 50hz pixel smooth horizontal scroll:
[code]
org 34304< ...
stack equ $
[/code]
Here is a ... of self modifying code and inline methods (repeated code). I also ... old when I wrote that scroll routine back in 1990 ... -
Games in machine codeHi everyone, How do go about doing multiple shots like a machine gun, do you have to store every x and y position of each bullet? When you kill som…
... registers.
Appendix provides example code for getting started.
... PF0XSCR 0x001F770C DWORD Playfield 0 horizontal scroll.
PF0YSCR 0x001F7710 DWORD ... PF1XSCR 0x001F7718 DWORD Playfield 1 horizontal scroll.
PF1YSCR 0x001F771C DWORD ... -
Hacking the O.C.P Full Screen Editor/AssemblerIf you have been reading my posts recently then you will know that I am eager to have the sourcecode I wrote for the Spectrum during the period 1988 …
... run a bit of source code through me emulator when ever ... comment about it being a horizontal scroll routine... Im guessing something is ... -
P.O.W.As far as I know, a port of P.O.W. (Prisoners of War) from NHK, doesn't exist. [img]https://cld.pt/dl/download/61d19b5e-453b-489c-b17b-d3ed6fccd594/…
... s not based on your code, and I suspect it ... take a look at the code, to be able to ... left scrolling:
[code]
ld a,(hl)
;and so on[/code][/quote]
That ... , is just limiting it to horizontal scroll.
But ... -
forum mistakeIt may have been pointed out before, but; the post reply, new thread, etc. bottons are wrong. they read; [code] 10 print "post reply" 20 goto 10 ru…
... />
they read;
[code]
10 print "post reply ... reply post re
scroll?
[/code]
this ... should print;
[code]
post reply
post ... reply
post reply
scroll?
[/code]
... -
Genesis: dawn of a new day, new game from RetroWorks!It's been a long development, but finally we made it. We proudly present the latest game from RetroWorks, Genesis: dawn of a new day. [img]http://ww…
... .png[/img]
A horizontal scroll shoot'em up, with seven ... -
Buttons on My Discussions pageThe page numbers and "New Discussion" buttons on the "My Discussions" page are out of position and causing a horizontal scroll here.<br>"Recent Discu…
The page numbers and "New Discussion" buttons on the "My Discussions" page are out of position and causing a horizontal scroll here.
"Recent Discussions" page is fine. -
Hardware Reference Manual for ZX SpectrumHi, I want to write games for ZX Spectrum in assembly language. I have lot of books in PDF format from SpectrumComputing. Still missing a book lik…
... we define playfield, vertical and horizontal scroll support
Window definition, setup ... -
hidden classicshi all , weve all got our favourite games and a lot of answers are very similar when topics such as " best game ever on speccy " are posted , can i a…
... end of the stage (with horizontal scroll), and there you meet a ... -
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…
[quote]
On 2003-03-20 22:46, +CotL-DS wrote:
Who are you to say what a sprite is, cyborg?
[/quote]
Not a horizontal scroll. -
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…
... several ways of optimizing the scroll code presented, but thats not the ... to do a one pixel scroll is like jonathan said, using ... do a faster 2 pixel scroll than call this routine 2 ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
...
Your original scroll:
[code]
alpos = ... while (alpos++ != almaxpos);
[/code]
could be ... while (alpos++ != almaxpos);
[/code]
You could ... (alpos++ != almaxpos);
[/code]
This way ... -
Project: M.u.l.e.Wokani came up with a great idea about trying an open-development approach for spectrum games, and I thought why not try with a game I have under dev…
... is no longer required. The scroll code must complete within 50000 cycles ... emphasis should be on keeping code size small.
#2 ... -
Whats Gone Wrong - Pixels Everywhere!Changed one small piece of code, that doesnt do anything to the screen and the following has happened: [img]http://www.officetrack.com/download/wos/…
The first question that comes to mind is how much memory do you have available and are you overwriting some part of the scroll code / scroll buffer :)
Or perhaps the stack is being polluted. -
50Hz on PC?Hi, do you know of any emulator for PC that can switch monitor refresh rate to 50Hz or closest possible and sync ZX interrupt with monitor refresh?…
... , Spectaculator can manage very smooth scroll.
Unreal Speccy gives me ... problems with this, speccialy with horizontal scroll (text from Dan Dare main ... -
another c64 vs. Speccy site...[url]http://c64vsspectrum.com/[/url] 25 years and we are still brawling.. ;)
... ]And I'd presume that horizontal splits would still be limited ... the characters themselves with the horizontal scroll so it's possible. Useless ... -
Name this game pleaseI think there is a rocket with platforms in both sides, and the hero is a robot that must take fuel (or pieces maybe) to the rocket; it isn't Jetpac.…
:lol:
I meant the game has horizontal scroll, not the alien ;-) -
Name this game pleaseI think there is a rocket with platforms in both sides, and the hero is a robot that must take fuel (or pieces maybe) to the rocket; it isn't Jetpac.…
[quote=Michaelangelo;242305]:lol:
I meant the game has horizontal scroll, not the alien ;-)[/quote]
I know, but I'm loving the mental image of an alien with a scroll in its claw relentlessly pursuing someone. -
best endingwhat was the best ending of a speccy game? (i suppose you use your own discretion if you want to use spoiler tags) i noticed most are quite short w…
... , did anyone achieve a decent horizontal scroll on the Atari ST?
best endingwhat was the best ending of a speccy game? (i suppose you use your own discretion if you want to use spoiler tags) i noticed most are quite short w…
Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…
... fast full screen vertical scroll:
[CODE] ld hl, (lines ... lines: dw 16384, 16440, ...
[/CODE]
To save time ... in a table. To scroll in the opposite direction, ... /> lines: dw 16384, ...
[/CODE]
To customize this ...Spectrum AssemblyHi All, Thanks for letting me in... lol Over the last couple of days I started playing my spectrum emu again and then I started thinking about lear…
... fast full screen vertical scroll:
[CODE] ld hl, (lines+ ... /> lines: dw 16384, 16440, ...
[/CODE][/QUOTE]
:) Also we can ... SP=lines and all the scroll will look like POP HL ... 48
lines: dw 16384, ...[/CODE]
[/quote]
Looks ...Terra cresta and Spiky haroldHello, I have two doubts: 1- Does the game Terra cresta comb have end? 2- In Spiky harold have I taken 55 items, which I have to do later to finish…
LOL! Don't you just hate people that have avatars that don't match whom they really are?
Okay. You waited long enough. Here's the Saucer SCROLL routine in full...
[code]
Call Scroll ; Scroll
[/code]Nonsense statistics[url]http://www.w3schools.com/browsers/browsers_stats.asp[/url] What a load of rubbish. They have a little caveat further down the page. I'd be ex…
... break the design with nasty horizontal scroll bars.
[QUOTE=Winston ...I just picked up a free Atari 520stJust got a free 520ST, (no cables or leads) and a small box load of games. :? dunno what to do with it, but it was being thrown out, so I grabbed it…
... increments, and a 16 pixel horizontal scroll.
To get ... the horizontal precision down below 16 pixels ... 4, so you get horizontal movements in 4 pixel increments ... 16 to get single pixel horizontal scrolling but that would generally ...Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... used Joe Gunn and its horizontal scroll text as you've captured ... choppiness in animation, speccially in horizontal text scroll, which is always good ...Genesis: dawn of a new day, new game from RetroWorks!It's been a long development, but finally we made it. We proudly present the latest game from RetroWorks, Genesis: dawn of a new day. [img]http://ww…
... .png[/img]
A horizontal scroll shoot'em up, with seven ...Drawing 3D grids in Basic...This is probably very simple for someone who feels comfortable with Math, but it's driving me crazy... Let's say I want to draw a grid of 16 by 16 s…
... ; right sides of each horizontal line.
[code]
1 DIM ... =xr-xrm: NEXT y
[/code]
I'm not ...
