wd({reg: [
{bits: 7, name: 0b0100011, attr: ['SB', 'SH', 'SW']},
{bits: 1, name: 'imm[11]', rotate: -90},
{bits: 4, name: 'imm[4:1]'},
{bits: 3, name: 'funct3', attr: [0, 1, 2]},
{bits: 5, name: 'rs1'},
{bits: 5, name: 'rs2'},
{bits: 6, name: 'imm[10:5]'},
{bits: 1, name: 'imm[12]', rotate: -90},
], config: {hspace: width, vspace: 120}})