[comp.sys.ibm.pc] 50 lines on VGA

nn86302@tut.fi (Neuvo Niilo Anselmi) (11/16/89)

Since somebody will ask this anyway I might as well post it here:

How to get 50 lines on a VGA:
(This was done on a color VGA on a PS/60)

	- goto a mode with 80*25 text
	- write 9 to port $03d4 (that is $03b4 on b&w)
	- write 71 to port $03d5 (that is $03b5 on b&w)
		(use characters that are 8 pels high)
	- write 10 to port $03d4
	- write 6 to port $03d5
		(start of cursor)
	- write 11 to port $03d4
	- write 7 to port $03d5
		(end of cursor)
	- call interrupt $10 with ax=$1102,bl=$00
		(use rom 8*8 font)
	- set the save area correctly
		(adresses posted earlier here. Works fine without  
		 setting them up, but you are at least trying to
		 support bios.)

Now that that is solved, could someone send me a program that sets up a
mode with 256 colors, but with a resolution higher than 320*200.

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