ADDRESS_SPACE jram RAMB16 [0x00020000:0x00023fff] BUS_BLOCK j1/ram[7].ram [15:14]; j1/ram[6].ram [13:12]; j1/ram[5].ram [11:10]; j1/ram[4].ram [9:8]; j1/ram[3].ram [7:6]; j1/ram[2].ram [5:4]; j1/ram[1].ram [3:2]; j1/ram[0].ram [1:0]; END_BUS_BLOCK; END_ADDRESS_SPACE;