support all branch instructions! (including branch and link)
support Load Byte (not tested)
lb done(not tested)
fix load byte
fix endianess for lb/sb
program/makefile: copy .rodata
Store Byte fixed! seems working!
ALUWrapper will not read input on hold from memory, support lbu
fix data risk problem when set byte
add CoreFontRom
add VGA! not working YET
VGA is working!!!
VGA Done
add timer and interrupt handler, CP0 regs needs fix
put interrupt handler in TOP, move timer to FetcherAndRegister
add interrupt, use real TLB
add uart int
fix TLB
fix hold when exception happened
move doc