INT FF - PC/FORTH - GRAPHICS API - VIDEO STATUS CHANGE BX = 0000h DS:SI -> FORTH program counter SS:BP -> FORTH parameter stack SS:SP -> FORTH return stack DS:DX -> FORTH video parameter area Desc: called to inform graphics driver of any status changes such as video mode changes, character color changes, graphics XOR mode turned on or off, etc.; also used as an installation check Index: installation check;PC/FORTH