Int 10/AX=4FFFh

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Diamond Stealth 24 - SET/RESET DUAL DISPLAY MODE

AX = 4FFFh
BX = dual display mode
00h reset
01h set dual display, 32KB VGA test
02h set dual display, 64KB VGA test

Return:
AX = 4F00h if successful BX = number of scanlines off screen for test mode

Category: Video - Int 10h - D

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