dos33fsprogs/gr-sim/hgr/hgr_view.c

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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include "gr-sim.h"
int main(int argc, char **argv) {
int ch,fd;
if (argc<1) {
fprintf(stderr,"Usage: hgr_view FILENAME\n");
fprintf(stderr," where FILENAME is an 8k AppleII HIRES image\n\n");
}
grsim_init();
home();
hgr();
/* Show all 280x192, no bottom text */
soft_switch(MIXCLR);
fd=open(argv[1],O_RDONLY);
if (fd<0) {
printf("Error opening!\n");
return -1;
}
read(fd,&ram[0x2000],8192);
close(fd);
grsim_update();
while(1) {
ch=grsim_input();
if (ch) break;
usleep(100000);
}
return 0;
}