GneralInst

const generalInstruction = (mnemonic, type, ...params) =>
    A.coroutine(function* () {
        yield upperOrLowerStr(mnemonic);

        const args = [];

        if (params.length > 0) {
            yield A.whitespace;
            yield params[0];
        }

        for (let i = 1; i < params.length; i++) {
            yield A.optionalWhitespace;
            yield A.char(',');
            yield A.optionalWhitespace;

            args.push(yield params[i]);
        }

        yield A.optionalWhitespace;

        return T.instruction({
            instruction: type,
            args,
        });
    });

const litReg = (mnemonic, type) =>
    generalInstruction(
        mnemonic,
        type,
        A.choice([hexLiteral, squareBracketExpr]),
        register
    );