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png2hgr: fill all the bits now

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This commit is contained in:
Vince Weaver 2018-08-24 15:52:20 -04:00
parent d36311e434
commit 63ea676e0e
1 changed files with 26 additions and 4 deletions
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30
hgr-utils/png2hgr.c
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@ -258,14 +258,24 @@ static int hgr_offset(int y) {
return address;
}
void colors_to_bytes(unsigned char colors[7],
unsigned char *byte1,
unsigned char *byte2) {
*byte1=0xff;
*byte2=0x55;
}
static unsigned char apple2_image[8192];
int main(int argc, char **argv) {
int xsize=0,ysize=0;
int c,x,y;
int c,x,y,z,color1,color2;
unsigned char *image;
unsigned char byte1,byte2;
unsigned char byte1,byte2,colors[7];
char *filename;
@ -305,8 +315,20 @@ int main(int argc, char **argv) {
for(y=0;y<192;y++) {
for(x=0;x<20;x++) {
byte1=0xff;
apple2_image[hgr_offset(y)]=byte1;
for(z=0;z<7;z++) {
color1=image[y*280+x*14+z*2];
color2=image[y*280+x*14+z*2+1];
if (color1!=color2) {
fprintf(stderr,"Error, color at %d x %d doesn't match\n",
x*14+z*2,y);
}
colors[z]=color1;
}
colors_to_bytes(colors,&byte1,&byte2);
apple2_image[hgr_offset(y)+(x*2)+0]=byte1;
apple2_image[hgr_offset(y)+(x*2)+1]=byte2;
}
}