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Text File  |  1996-07-14  |  611 b   |  15 lines
  1. How to save a colour VGA mode.
  2.  
  3. 1.    MiscOutReg = inb(0x3CC)        ; save miscellaneous output register
  4. 2.    inb(0x3Da), outb(0x3C0, 0x00)    ; enable pallete access
  5. 3.    i=0, i<25; outb(0x3D4, i)    ; save CRTC registers
  6.                CRTC[i] = inb(0x3D5)
  7. 4.    i=0, i<21; inb(0x3DA)        ; save attribute controller registers
  8.                outb(0x3C0, i)
  9.                Attribute[i] = inb(0x3C1)
  10. 5.    i=0, i<9; outb(0x3CE, i)    ; save graphics controller registers
  11.               Graphics[i] = inb(0x3CF)
  12. 6.    i=0, i<5; outb(0x3C4, i)    ; save sequencer registers
  13.               Sequencer[i] = inb(0x3C5)
  14. 7.    inb(0x3DA), outb(0x3C0, 0x20)    ; turn on PAS bit
  15.