Can use SRAM instead of VRAM ......... how ???????????

Hi.. i wanna use sram instead of Vram in my project ... according t my knowledge vram is same as sram but its dual port...........as fo display its needed to read and write at same time fastly ...so use dual port sram...... bu problem is ... i m available only sram which is no dual port.............is it possible to use it for display???????? and how??????????