-
Getting scr addresses from x and yCould someone please tell me how to calculate the 8 screen addresses corresponding to a character printed in basic at coordinates x and y? For examp…
... . code routines will perfom horizontal or vertical scroll if needed, the selected ... -
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…
... memset(disp, 0, 32); // clear horizontal scanline
disp += 0x0100; // ... /> g_scrollShift = 16; // initialize current scroll shift
g_scrollPos = g_textBuffer; // initialize ... -
Into the screen driving simulator effectI was wondering how the racing games of yore did the into the screen scrolling effect. I'm sure you could do something crude drawing bars on the scre…
... /> Thin horizontal scrolling background strip
Pseudo-into-screen-scroll
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…
... )
{
// sprite changes from horizontal movement to vertical movement
scroll
d_ScrollStart();
}
// ... />
And finally, messages may scroll across the bottom of the ...Games with Parallax ScrollingI loved that effect. It gave a false depth to the game.. To me a game with parallax scrolling was a better game. How wrong I was.. anyway, a list of…
... , and then have vertical or horizontal attribute stripes which span the ... /width - depending on general the scroll direction but it could be ... say, these attributes "naturally" would scroll at 8 pixels each frame ...What are the best shoot-em-ups for the Spectrum?I mean, besides Zynaps. That's pretty much a given.
... allowed horizontal shoot-em-ups, vertical shoot-em-ups, multi-scroll shoot ...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…
... -screen pixel 4-ways scroll, without attributes. And ... is impossible, i can scroll myself all the screen ...
I can easily scroll the screen in 70000 t ... an arbitrary full screen scroll routine much faster than ... INC/DEC L) for horizontal though and that's with ...A video interface for the Spectrum, MSX compatibleSo you can use the same code for displaying sprites, tiles, characteres, and so no, on both the Spectrum and the MSX. That is, the Spectrum now has a…
... similar one, but it has scroll support that's not present ... of 9958 over 9938 is horizontal hardware scroll (other are just additional ...A video interface for the Spectrum, MSX compatibleSo you can use the same code for displaying sprites, tiles, characteres, and so no, on both the Spectrum and the MSX. That is, the Spectrum now has a…
... of 9958 over 9938 is horizontal hardware scroll (other are just additional ...what were the things the Speccy architecture was good for?I don't know a hell of a lot about all the different computers hardware and I wanted to know if the way the Spectrum was built lent itself to certain…
... all scrolling effects (vertical and horizontal?) are better on the C64 ... ]
The C64 can scroll down to pixel level in ... />
The CPC can hardware scroll vertically down to pixel level ... possible to use interrupts to scroll parts of the screen at ...Successor to the SpeccyBased on the rambling on the other thread it would be interesting to see what people felt was the 'spiritual' successor to the speccy. Amiga here....
... basic ST, you could hardware scroll 8 pixels vertically), but you ... stuck with the 16-pixel horizontal step because of the way ...Framerate of Spectrum gamesI was reading a bit about framerates in modern games and it got me wondering about the Speccy. First off I'd hoped to find what framerate my old gam…
... example, green beret do not scroll whole game area and agent ... interesting approach to process vertical scroll. or some games uses just ... than drawing line and drawing horizontal and vertical lines is cheaper ...Shooter Racer TypeThingA bit like Spy Hunter flipped on it's side but actually plays a bit more like R-Type on wheels... A mock up screen: [IMG]http://img.photobucket.com…
... to know if one of horizontal/vertical scroll was fundamentally easier on ... 's hardware. I always preferred horizontal game-wise, since you could ...Shooter Racer TypeThingA bit like Spy Hunter flipped on it's side but actually plays a bit more like R-Type on wheels... A mock up screen: [IMG]http://img.photobucket.com…
... to know if one of horizontal/vertical scroll was fundamentally easier on ... 's hardware. I always preferred horizontal game-wise, since you could ... as just setting a pointer. Horizontal scrolling requires the entire buffer ...Moggy Adventure (Mojon Twins, 48K)After travelling across the world to become a gentleball and leave all his vices behind (mainly alcohol and the riverside weeds, but rumours suggest …
... can't work on a scroll, but flick-screen platformers with ... tough) but a flick screen horizontal only 'old skool' game like ...Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... better.
For example, horizontal text scroll in Dan Dare (bottom on ...Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... better.
For example, horizontal text scroll in Dan Dare (bottom on ...JSpeccy: New emulatorHi there, Jos? Luis S?nchez (zx81 at ono dot com) has developed a new ZX Spectrum emulator in Java, with a very accurate Z80 emulation. The message …
... to improve smoothness of animation (horizontal text scroll speccially) or is it ...JSpeccy: New emulatorHi there, Jos? Luis S?nchez (zx81 at ono dot com) has developed a new ZX Spectrum emulator in Java, with a very accurate Z80 emulation. The message …
... to improve smoothness of animation (horizontal text scroll speccially) or is it ... the "artifacts" and if the horizontal scrolling text has improved.
New Game and HelloHi All, Long, long time lurker and contributor (hardware index, PiMan files etc..) but having been quiet for a few years I thought I might register. …
... have all that to scroll past in the type ... maximum co-ords for horizontal / vertical baddies is ... ]
IF TYPE 1 ; horizontal baddies
IF SCREEN = 0 ... IF TYPE 2 ; 2nd horizontal
blah blah blah...< ... going to have 2 horizontal baddies on each screen, ...Sinclairean A3[B]Sinclairean[/B], a new ZX Spectrum emulator written in machine code for x86-compatible, OpenGL-capable computers. Features: [LIST] [*]Fast machin…
... choppiness in animation, speccially in horizontal text scroll, which is always good ...LDIR timings in contended RAM?The 48K Spectrum technical reference page ([URL="http://www.worldofspectrum.org/faq/reference/48kreference.htm"]here[/URL]) describes the detailed ti…
... you don't need to scroll the store in memory. You ... .
For a vertical scroll, move the point you start ... screen redraw.
For horizontal scrolling, write out a series ... described above for a vertical scroll.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…
... screen is equal to 30 horizontal rows on the spectrum, which ... so that the screen would scroll vertically if you need to ...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 ... screen will still need to scroll vertically. This requires a buffer ...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 ... screen will still need to scroll vertically. This requires a buffer ... /> 32x vertical attributes
24x horizontal attributes[/QUOTE]
The Programmers Development System (PDS)Hi everybody, I recall this system has been mentioned several times on WoS forums. Last time was, I think, when those sources from Maz Spork (Buggy …
... pixel sprites depending on the horizontal resolution (256/320 pixels). ... on itself... so to scroll the screen, you only ... to access VRAM. A horizontal interrupt is also available, ...
full_scroll
shadow_off
scroll 64,64
screen_on
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 …
... think the scroll works:
It uses sets of horizontal pre ...A video interface for the Spectrum, MSX compatibleSo you can use the same code for displaying sprites, tiles, characteres, and so no, on both the Spectrum and the MSX. That is, the Spectrum now has a…
... small.
[*]V9958 has horizontal hardware scroll, and most importantly: a few ...Flip Screen vs ScrollingWhich do you prefer? I've always liked flip screen games but I had a C64(spit) owning friend who hated them with a passion.
... screen smoothly scrolling vertically , whilst horizontal movement made the screen shift ... scrolling. Quite why it didnt scroll smoothly horizontally like it did ...Flip Screen vs ScrollingWhich do you prefer? I've always liked flip screen games but I had a C64(spit) owning friend who hated them with a passion.
... smoothly scrolling vertically , whilst horizontal movement made the screen shift ... Quite why it didnt scroll smoothly horizontally like it ... scrolling.
To scroll 1 pixel vertically, you just ... pixels (32 bytes). To scroll 1 pixel horizontally you ...
