... 1 background tile attribute
uchar tile; // +2 background tile character ... row; // +0 current y tile-coordinate
uchar col; ... pointers, equals result of vertical rotation + frame addr< ...

... into pieces fitting into a tile, each of which is ... *update; // +2 BIG ENDIAN ; tile this sprite char currently occupies ... previous sprite occupying the same tile

};
[/ ... sprite frame address and a vertical rotation offset). The "EX ...

... to place sprites at exact vertical pixel locations, and you ... vertical pixel coordinates even without the table.

The tile ... background tiles are drawn, the tile stored in the "struct ... graphic address for the tile. The tile array must begin at ...

... of the way SP1 does vertical rotation, the exact same thing ... rotated in the horizontal and vertical directions, respectively, before that extra ... to generate sprite definitions (and tile graphics and sprite colours, but ...

... z80, you might want to scroll down to the "The IM2 ...
; f000 - f1ff SP1.LIB tile array
; d500 - efff SP1 ...

... />
Even includes some fantasic vertical border effects.[/QUOTE]

tile about 15 times each.

... a series of lightly compressed vertical strips instead of useless horizontal ... screen code early on (the tile priorities were a nightmare).

... . #08 for right is 1 tile and #10 down is 1 ... tile minimum values. So multiply by ... of enemy
2nd byte vertical position of enemy
3rd ...

... make a good looking glass tile for windows. I want ... to have a pushable tile that falls? We'd ... #73F4. 1st byte is tile, 2nd byte is type.< ... /> defb $90, $00 ;; white vertical for above
defb $27 ... bottom half of the 16x16 tile, have to experiment some ...

... a particular quadrant of the tile, and if so, ...
Ok, collision on a tile is done like this. The ... of that part of the tile.

[code] ... /> defb $90, $00 ;-- white vertical for above
defb $27 ... to add a pushable tile, this would be the ...

... or setting a vertical shot slightly off dead vertical. You can also ... bullets and use them for vertical guns?
I was intending ... to design either, new vertical guns to replace the yellow ... the order of the new tile codes before they're poked ...

... double width text messages to scroll across the bottom of the ... the next line). 2- the scroll routine will be dealing with ... a fat character in each vertical pixel row.

For ... 8 times for all 8 vertical pixels in a character.

... code") as background (struct sp1_update.tile is now 16-bits; if ... byte is not zero the tile is taken as a memory ... pixels
char dy; // signed vertical speed in pixels
};

... ]d_PrintDoubleW()[/b]. The pixel scroll routine requirement has changed (the ... "update structs" - 10 bytes - Every tile in the display area managed ... colour; // +1 background tile attribute
uint tile; // +2 background ...

... row; // +0 current y tile-coordinate
uchar col; ... // +1 current x tile-coordinate
uchar width; ... h,a ; h = vertical rotation 0-7
...

... changes from horizontal movement to vertical movement

offset = ... in case text wraps in scroll
d_ScrollStart();
}
// ... />
And finally, messages may scroll across the bottom of the ...

... a second, and then have vertical or horizontal attribute stripes which ... /width - depending on general the scroll direction but it could be ... say, these attributes "naturally" would scroll at 8 pixels each frame ...

... shoot-em-ups, vertical shoot-em-ups, multi-scroll shoot-em-ups ...

... different reasons, like to scroll window in game, or ... "print text in buffer, scroll up one string, ldi ... from buffer to screen, scroll up one string..." ... dynamically change window size. "Scroll" is in fact start ... need to develop some tile scrolling engine and that ...

... half-screen pixel 4-ways scroll, without attributes. And dont tell ... this is impossible, i can scroll myself all the screen in ... ]

I can easily scroll the screen in 70000 t ... scroll routine much faster than about 100,000 t-states for vertical ...

... similar one, but it has scroll support that's not present ... any of MSX video chips - tile-based, 16 colors per pixel ... SMS VDP, because it's tile-based modes with hardware sprites ... hardware scroll (other are just additional raster modes). None of tile-based ...

... SMS VDP, because it's tile-based modes with hardware sprites ... hardware scroll (other are just additional raster modes). None of tile-based ...

... take it all scrolling effects (vertical and horizontal?) are better on ... ]

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 ...

... :)


as for vertical shoot em up's.. look ... is a smaller area to scroll / refresh :)

someone mentioned ...

... 16x16 pixel blocks? Could it scroll at any speed then?[/QUOTE ... and stuff.

The vertical lines on the last level ...

... ) was that they could scroll a tile map around very fast and ...

... row; // +0 current y tile-coordinate
uchar col; ... // +1 current x tile-coordinate
uchar width; ... pointers, equals result of vertical rotation + frame addr< ...

... have a load of unused tile space.

I've ... off, the ground will always scroll at a steady "whole pixel ...

... have a load of unused tile space.
I've also ... off, the ground will always scroll at a steady "whole pixel ...

... /> map viewer scans tile map and renders tile, basicaly moving about ... tripple data bandwidth for that tile. but:
a) checks ... and on 1 pixel in vertical direction. if you start ... in such situation introduction of tile based sprites makes things slower ...