Category : Files from Magazines
Archive   : PCTJ8707.ZIP
Filename : TO_COLOR.C

 
Output of file : TO_COLOR.C contained in archive : PCTJ8707.ZIP
/*
* to_color -- switch from MDA to CGA
*/

#include
#include

#define EQ_FLAGS 0x410
#define VMASK 0xCF /* mask video bits off */
#define CGA_MODE 0x10

void
to_color()
{
unsigned int ds;
unsigned char tmp;
struct SREGS segregs;
segread(&segregs);
ds = segregs.ds;
movedata(0, EQ_FLAGS, ds, (unsigned)&tmp, 1);
tmp &= VMASK;
tmp |= CGA_MODE;
movedata(ds, (unsigned)&tmp, 0, EQ_FLAGS, 1);
}


  3 Responses to “Category : Files from Magazines
Archive   : PCTJ8707.ZIP
Filename : TO_COLOR.C

  1. Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/