function db(func) {
    let lines = [];
    for (let i = 0; i < 256; i += 16) {
        let items = [];
        for (let j = 0; j < 16; j++) {
            let x = i + j;
            items.push(func(x));
        }
        lines.push('    .byte ' + items.join(', '));
    }
    return lines.join('\n');
}

let squares = [];
for (let i = 0; i < 512; i++) {
    squares.push(Math.trunc((i * i + 1) / 2));
}

console.log(
`.segment "TABLES"

.export mul_lobyte256
.export mul_hibyte256
.export mul_hibyte512

.align 256
mul_lobyte256:
${db((i) => squares[i] & 0xff)}

.align 256
mul_hibyte256:
${db((i) => (squares[i] >> 8) & 0xff)}

.align 256
mul_hibyte512:
${db((i) => (squares[i + 256] >> 8) & 0xff)}

`);