home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
AmigActive 10
/
AACD 10.iso
/
AACD
/
Games
/
MAME
/
src
/
msdos
/
dirty.h
< prev
next >
Wrap
Text File
|
1999-03-06
|
379b
|
10 lines
#define MAX_GFX_WIDTH 1600
#define MAX_GFX_HEIGHT 1600
#define DIRTY_H 256 /* 160 would be enough, but * 256 is faster */
#define DIRTY_V (MAX_GFX_HEIGHT/16)
typedef char dirtygrid[DIRTY_V * DIRTY_H];
#define ISDIRTY(x,y) (dirty_new[(y)/16 * DIRTY_H + (x)/16] || dirty_old[(y)/16 * DIRTY_H + (x)/16])
#define MARKDIRTY(x,y) dirty_new[(y)/16 * DIRTY_H + (x)/16] = 1