initialize graphics
In System/38 graphics, to enter the graphics environment. The graphics environment is the state in which calls to GDDM and PGR routines can occur.; 在IBM System/38的圖形子系統(tǒng)中,進(jìn)入制圖環(huán)境時(shí)的一種狀態(tài)。這種制圖環(huán)境是通過(guò) 調(diào)用GDDM和PGR例行程序而出現(xiàn)的一種狀態(tài)。