Introduction - If you have any usage issues, please Google them yourself
The start address of a mobile phone screen size w = 240 h = 320, and now the LCD BUF (type: unsigned short) lcdbuff. Required to start drawing from the coordinates (100,10) at a length of 300 black (color = 0) vertical line. The reference code: 2 encapsulated in the question 1 on the basis of a painting a function of the vertical line, without regard to color. Reference code: package in question 1 on the basis of a painting of a function of the horizon, time to consider color. Reference code: