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/* GravityWars 1.1, (C) Sami Niemi -95 */
#include "memory.h"
/*-----------------------------------------------------------------setbullet */
void setbullet(int x, int y,int num) {
static long adr;
static short page,xx,yy,n;
static char *adr2;
static char *bullet;
bullet=bulletback[num];
adr=(y<<9)+(y<<7)+x;
page=adr >> 16;
vga_setpage(page);
n=0;
for(yy=0; yy<=2; yy++) {
for(xx=0; xx<=2; xx++) {
if ( (adr >> 16) != page) {
page++;
vga_setpage(page);
}
adr2=vga_ptr+(adr&65535);
bullet[n]=*(adr2);
*(adr2)=bulletgfx[n];
n++;
adr++;
}
adr+=637;
}
}
/*----------------------------------------------------------------killbullet */
void killbullet(int x, int y,int num) {
static long adr;
static short page,xx,yy,n;
static uchar *adr2;
static char *bullet;
bullet=bulletback[num];
adr=(y<<9)+(y<<7)+x;
page=adr >> 16;
vga_setpage(page);
n=0;
for(yy=0; yy<=2; yy++) {
for(xx=0; xx<=2; xx++) {
if ( (adr >> 16) != page) {
page++;
vga_setpage(page);
}
*(vga_ptr+(adr&65535))=bullet[n];
n++;
adr++;
}
adr+=637;
}
}
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