2015-09-22 [boot] #1 boot from hard disk

2015-09-20 [ttf] #10 support draw with ttf

2015-09-18 [mm] #2 memory manage, no paging

2015-09-15 [mouse] #16 draw mouse and mouse move

2015-09-14 [mm] #17 get total memory

2015-09-14 [mouse] #15 get mouse position by interrupt

2015-09-13 [hd] #13 read hard disk by interrupt

2015-09-12 [interrupt] #6 8259a [interrupt] #5 exceptions&interrupt [timer] #11 8253/8254 & real time [keyboard] #14 keyboard

2015-09-12 [encoding] #9 utf8 -> gb2312; [font] #9 draw string with dot matrix font;

2015-09-10 [hd, bmp] read harddist sects and draw bitmap

2015-09-08 [boot, load, video]code from csdn code, draw a line