1*12009bffSDavid du Colombier /* normally defined in ../port/portdat.h */ 2*12009bffSDavid du Colombier #define ROUND(s, sz) (((s)+(sz-1))&~(sz-1)) 3*12009bffSDavid du Colombier #define PGROUND(s) ROUNDUP(s, BY2PG) 4*12009bffSDavid du Colombier #define HOWMANY(x, y) (((x)+((y)-1))/(y)) 5*12009bffSDavid du Colombier #define ROUNDUP(x, y) (HOWMANY((x), (y))*(y)) /* ceiling */ 6*12009bffSDavid du Colombier 725210b06SDavid du Colombier void cgainit(void); 825210b06SDavid du Colombier void cgaputc(int); 925210b06SDavid du Colombier int inb(int); 1025210b06SDavid du Colombier void outb(int, int); 11